Sound Mechanical Consulting, Inc.
7093 NE Bayhill Road
Bainbridge Island, WA
98110
Phone (206)780-5157 Fax (206) 780-5142
SCOPE OF WORK
Basic Home Mechanical Systems
1. Heat and heat transfer
5 minutes
2. Heating load calculations
10 minutes
3. Home heating systems
15 minutes
4. Heat pumps
15 minutes
5. Heating energy estimating
10 minutes
6. Domestic water heating
15 minutes
7. Question and answer
20 minutes
HEAT TRANSFER
Commonly used in the design and construction industry
Units of heat (energy):
btu
mbtu
British Thermal Unit (1 btu raises 1lb of water 1F)
1000 btu’s (also called mbh)
Wh
kWh
Watt-hours
kilowatt-hours = 1000 watt-hours
1 Wh =
1 kWh =
1 kWh =
3.413 btu
3,413 btu = 3.413 mbtu
100 W x 10 hrs
Rates of heat (power):
btuh
mbh
ton
btu per hour
1000 btuh
12,000 btuh
(heat transfer of 2000 lbs of ice melting in 24 hours)
W
kW
Watt
1000 W
1W =
1 kW =
3.413 btuh
3,413 btuh = 3.413 mbh
Heating Load Components
Heat loss through:
1. Perimeter slab
2. Exposed floors
3. Below grade walls
4. Above grade walls
5. Roofs/ceilings
6. Windows
7. Skylights
8. Doors
9. Infiltration
10. Ventilation
11. Pickup load
U values are used for almost all envelope items:
Q = U x A x dT
F values are used for perimeter slab:
Q = F x LF x dT, where F is the slab factor
Convective heat transfer constant is used for infiltration/ventilation heat losses:
Q = 1.085 x cfm x dT
Cooling Load Components
Heat gain through: All envelope items include conduction and solar isolation
1. Exposed floors
2. Below grade walls
3. Above grade walls
4. Roofs/ceilings
5. Windows
6. Skylights
7. Doors
8. Infiltration
9. Ventilation
U values are used for all envelope items. dT includes solar component for
opaque surfaces.
Q = U x A x dT
SHGC (solar heat gain coefficient) is used for heat gain through glass:
Q = SHGC x A x dT (dT includes solar component)
Convective heat transfer constant is used for convective heat transfer:
Q = 1.085 x cfm x dT
Internal Gains:
1. Lighting
2. Plug loads, appliances
3. Occupants
4. Fuel burning processes
TLPA.PRN
******* LOAD CALCULATION FOR *******
CHRISTY-MAIN
PREPARED BY
DEHAAS ENGINEERING
KENT WASHINGTON
07-20-2010
CALCULATIONS FOR ZONE MAIN-HOUSE
---------------ASHRAE CLTD/CLR COOLING LOAD CALCULATIONS--------------------------------HEATING LOAD CALCULATIONS-----------------PEAK MONTH - JUL
OUTSIDE TEMP 82
LATITUDE 48
|
OUTSIDE TEMP 20
PEAK HOUR - 4PM
INSIDE TEMP 78
|
INSIDE TEMP 70
----------------------------------------------------------------------------------------------------------------------------------GLASS SOLAR GAIN
|
-FACTORS|
DIR TYPE LF
HT
SOLAR
GLASS
BTUH
SHADE %
|
N
2
26.0 X 10.0 X 27.4 X .6 =
4271.3
0.00
|
E
2
3.0 X 10.0 X 55.6 X .6 =
1001.5
0.00
|
S
2
28.0 X 10.0 X 68.6 X .6 =
11528.2
0.00
|
W
2
11.0 X 10.0 X 107.0 X .6 =
7062.0
0.00
|
GLASS TRANSMISSION GAIN
|
GLASS TRANSMISSION LOSS
TYPE
AREA
U
TD
|
TYPE
AREA
U
TD
2
680.0
X .36 X
4
=
979.2
|
2
680.0
X .36 X
50
=
12240.0
WALL SOLAR AND TRANS GAIN
|
WALL TRANSMISSION LOSS
DIR TYPE LF
HT
U
TD
W.F. W/GLASS
|
DIR TYPE
AREA
U
TD
N
1
70.0 X 10
X 0.050 X 24 =
840.0
12.0
|
N
1
700.0
X 0.050 X
50
=
1750.0
E
1
79.0 X 10
X 0.050 X 30 =
1185.0
15.0
|
E
1
790.0
X 0.050 X
50
=
1975.0
S
1
68.0 X 10
X 0.050 X 41 =
1394.0
20.5
|
S
1
680.0
X 0.050 X
50
=
1700.0
W
1
71.0 X 10
X 0.050 X 68 =
2414.0
34.0
|
W
1
710.0
X 0.050 X
50
=
1775.0
ROOF SOLAR AND TRANS GAIN
|
ROOF TRANSMISSION LOSS
AREA
U
TD
|
AREA
U
TD
2218
X .03 X
58
X 100 %
=
3859.3
|
2218
X .03 X
50
=
3327.0
FLOOR GAIN
|
FLOOR TRANSMISSION LOSS
AREA
U
TD
|
AREA
U
TD
1784
X 0.030 X
4
=
214.1
|
1784
X .03 X
50
=
2676.0
SKYLIGHT SOLAR AND TRANS GAIN
|
SKYLIGHT TRANSMISSION LOSS
AREA
SOLAR STOR
SHADE
TRANS
|
AREA
U
TD
12
X 244 X .62 X .6 +
19.2 =
1108.4
|
12
X .4
X
50
=
240.0
|
INTERNAL GAINS
AREA 1784 SQ FT
|
SLAB LOSS
0
LF X 25 BTUH
=
0.0
BTUH
I.F. W/ROOF
|
PEOPLE
4.5 PEOPLE X 250
=
1115.0
4.8
|
LIGHTS 892 WATTS X 3.413 X 100 %
=
3044.4
|
INFIL.
104.1 CFM X 1.08 X 4
=
451.6
|
INFIL. LOSS
104.1 CFM X 1.08 X 50 =
5645.6
MISC BTUH
0.0
|
TOTAL ROOM SENSIBLE BTUH
40468.0
|
PLENUM LIGHT HEAT AT 0 %
0.0
|
PLENUM ROOF HEAT AT 0 %
0.0
|
FAN MOTOR HEAT AT 6 % ROOM SENS.
2428.1
|
VENT.
33.5 CFM X 1.08 X 4
=
145.2
|
VENT. LOSS
33.5 CFM X 1.08 X 50 =
1814.7
TOTAL SENSIBLE BTUH
43041.3
|
SPACE HEAT LOSS
=
33143.3
O.A.LATENT
137.5 CFM X .68 X 12 =
1122.1
|
PICK-UP LOAD
=
4460.0
PEOPLE LATENT
4.5 PEOPLE X 200
=
892.0
|
GRAND TOTAL BTUH
45055.4
|
TOTAL HEAT LOSS
=
37603.3
475.1 SQ FT/TON
0.96SHR
3.8TONS
|
6.2 WATTS/SQ FT
11.0 KW
•
LOADS SHOWN BELOW HAVE BEEN EVALUATED AT 48 DEGREES NORTH LATITUDE
CHRISTY-MAIN
--------------------------COOLING LOAD SUMMARY---------------------------------------------HEATING LOAD SUMMARY--------------------|
TOTAL
SENSIBLE
SHR
COOLING
BTUH PER
|
HEATING
HEATING
WATTS PER
ZONE
BTUH
BTUH
CFM@ 55
SQ. FT.
|
BTUH
KW
SQ. FT.
MAIN-HOUSE
45055.4
43041.3
0.96
1724.8
25.3
|
37603.3
11.0
6.2
---------------------------------------------------------------------------------------------------------------------------------TOTAL
45055.4
43041.3
-1724.8
--|
37603.3
11.0
-Page 1
FUEL AND ENERGY
Typical fuels used in HVAC systems
Utility provided fuels:
Fuel
Electricity
Units
kWh
Notes
$.06 - $.12 per kWh
$5 - $10 per kW demand
Often seasonally adjusted
3,413 btu’s per kWh
CO2: 1.1 lb/kWh (26/therm)
Natural Gas
therms
$.85 – 1.15 per therm
100,000 btu’s per therm
75-95% efficient
CO2: 12 lbs/therm
Propane Gas
gallons
$2.50 - $3.50 per gallon
91,000 btu per gallon
75-95% efficient
CO2: 13 lbs/gallon (14/therm)
Heating Oil
gallons
$2.50 - $3.50 per gallon
140,000 btu per gallon
75-90% efficient
CO2: 26 lbs/gallon (18/therm)
Passive and Renewable Energies
- Solar space passive
- Solar water collector
- Solar photo-voltaic
- Wind electrical
HVAC Systems
Typical residential HVAC systems
AIR SYSTEMS
Fuel
Electricity
Terminal Devices
Wall, ceiling, floor heaters
Baseboards
Radiant panels in floor or ceilings
Wall radiators
Fan coils - ducted
Electric Heat Pumps
Air source split systems (ducted/ductless)
Ground source fan coils
Natural Gas
Furnaces – ducted
Propane
Furnaces – ducted
Oil
Furnaces - ducted
HYDRONIC SYSTEMS
Boilers
Electricity, Natural
Gas, Propane, Oil
Central Plant Equipment
Boilers with water pumps or steam header
Delivery Systems
Baseboards, radiators, radiant panels, wall
mount coils, fan-coils
Heat Pumps
Central Plant Equipment
Ground source heat pump, reverse cycle
chiller, buffer tanks, pumps
Delivery Systems
Baseboards, radiators, radiant panels, wall
mount coils, fan-coils
Ventilation Systems
Typical residential ventilation systems
Whole house exhaust fan on a 24 hour timer
- Usually operates 8 hours per day
- Provides 3-4 fresh air changes per day
- Fresh air entry through window or wall ports
- Alternatively fresh air inlet to return duct
Heat recovery ventilator on a 24 hour timer
- Exhausts one or more bathrooms, laundry room
- Supplies living spaces, bedrooms
Source specific exhaust fans
- Bathrooms
- Laundry rooms
- Kitchens
Residential range hoods
- Often times 4 – 8 times larger than whole house fan capacity
- Need to consider makeup air path
Sound Mechanical Consulting, Inc.
7093 NE Bayhill Road
Bainbridge Island, WA
98110
Phone (206)780-5157 Fax (206) 780-5142
HEAT PUMP
COEFFICIENTS OF PERFORMANCE
Coefficients of Performance – C.O.P.
These are rough estimates of average annual performance only - actual results depend on the
specific equipment and conditions.
Electric resistance heating of all forms
1.0
Heat pump water heaters
2.0
Air to air heat pumps
2.5
Reverse cycle chillers
3.5
Ground source heat pumps
4.0
PUGET SOUND CLIMATE DATA
•
Typical Annual Temperature
Distribution
Annual Hourly
Occurance
3000
2500
2000
1500
1000
500
0
10
20
30
40
50
60
70
80
90
Outdoor Temperature (F)
Typical Annual Rainfall Distribution
7
Rainfall (in/mo)
6
37"/year avg
5
4
3
2
1
0
1
2
3
4
5
6
7
8
9 10 11 12
Month of Occurance
WMO No. 727935
SEATTLE/BOEING FIELD
WA
Dry-Bulb Temperature Hours For An Average Year (Sheet 5 of 5)
Period of Record = 1973 to 1996
Temperature
Range
(oF)
95 / 99
90 / 94
85 / 89
80 / 84
75 / 79
70 / 74
65 / 69
60 / 64
55 / 59
50 / 54
45 / 49
40 / 44
35 / 39
30 / 34
25 / 29
20 / 24
15 / 19
10 / 14
5/ 9
Annual Totals
Hour
M
Group (LST)
C
01
09
17
W
To
To
To Total
B
08
16
00
Obs
(oF)
1
0
1 69.9
8
4
11 67.3
27
14
41 65.8
0
77
39
116 63.9
2
138
81
220 61.9
14
230
153
397 59.8
65
317
261
643 57.6
326
400
401 1127 55.4
530
400
403 1332 52.2
514
458
469 1440 48.0
537
416
486 1438 43.9
458
254
337 1048 39.6
268
121
171
560 35.1
137
49
71
257 30.5
52
14
18
84 25.3
15
6
6
27 20.0
6
2
4
11 14.9
3
1
1
5 11.3
0
0
7.0
Caution: This summary reflects the typical distribution of temperature in a typical year. It does not reflect
the typical moisture distribution. Because wet bulb temperatures are averaged, this summary understates
the annual moisture load. For accurate moisture load data, see the long-term humidity summary and the
ventilation and infiltration load pages in this manual.
SS-PRC007-EN
Split System
Heat Pump Product
& Performance Data
XL14i
2TWX4018-060
1½ – 5 Tons
PUB. NO. 22-1750-04
Features and
Benefits
• Climatuff® compressor
• Liquid line filter-drier
• Efficiency up to 15.25 SEER and
9.6 HSPF
• Comfort “R”™ mode approved
• All aluminum Spine Fin™ coil
• Multi-use liquid and suction line
service valves
• WeatherGuard™ II top shields unit
• DuraTuff™ base, fast complete drain,
weather proof
• Easy single side service
• Easy top & fan removal
• WeatherGuard™ fasteners
• Full length control and service valve
cover
• XL seacoast shield
• R-22 refrigerant
• Industry leading appearance
• Compressor sump heat
• Tarpaulin gray cabinet with
anthracite gray top
• 10 year limited warranty on
compressor, coil, and internal
functional parts (Residential only)
• Low sound with advanced fan system
and compressor sound insulator
• Quick-Sess™ cabinet, service
access and refrigerant connections
with full coil protection
• Demand defrost control with
diagnostics
• Extended warranties available
• S.E.E.T. design testing
• 100% line run test
• Low ambient cooling to 55°F as
shipped
• Glossy corrosion resistant finish
• Low ambient cooling to 40°F with
EDC accessory AY28X084
• Internal compressor pressure/
temperature protection
• Low ambient cooling to 30°F with
EDC accessory AY28X084 and TXV
• 018,024,060 ship with start kit
© 2008 Trane
2
22-1750-04
Contents
Features and Benefits
2
General Data
4
Product Specifications
A-weighted Sound Power Level [dB(A)]
Accessory Description and Usage
ARI Standard Capacity Rating Conditions
Model Nomenclature
6
Electrical Data
7
Dimensions
9
Mechanical Specification Options
22-1750-04
4
4
5
5
3
11
General
Data
Product Specifications
Model No. 1
Electrical Data V/Ph/Hz 2
Min Cir Ampacity
Max Fuse Size (Amps)
Compressor
RL Amps - LR Amps
Outdoor Fan FL Amps
Fan HP
Fan Dia (inches)
Coil
Refrigerant R-22
Line Size - (in.) O.D. Gas 3
Line Size - (in.) O.D. Liquid 3
Dimensions H x W x D (Crated)
Weight - Shipping
Weight - Net
Start Components
Sound Enclosure
Compressor Sump Heat
Optional Accessories: 4
Anti-short Cycle Timer
Evaporator Defrost Control A/C
Rubber Isolator Kit
Snow Leg - Base & Cap 4" High
Snow Leg - 4" Extension
Hard Start Kit Scroll
Extreme Condition Mounting Kit
Refrigerant Lineset 5
2TWX4018B1
200/230/1/60
8
15
CLIMATUFF®
6.2 - 45
0.60
1/15
23
Spine Fin™
7/12-LB/OZ
5/8
1/4
43.6 x 30.1 x 33
249
215
YES
YES
YES
2TWX4024B1
200/230/1/60
11
15
CLIMATUFF®
8.3 - 62
0.90
1/8
23
Spine Fin™
8/00-LB/OZ
3/4
5/16
47.6 x 30.1 x 33
263
228
YES
YES
YES
2TWX4030B1
208/230/1/60
18
30
CLIMATUFF® - SCROLL
13.5 - 73
1.30
1/6
27.6
Spine Fin™
7/10-LB/OZ
3/4
5/16
45.4 x 35.1 x 38.7
276
232
NO
YES
YES
2TWX4036B1
208/230/1/60
21
35
CLIMATUFF® - SCROLL
16.0 - 88
1.30
1/6
27.6
Spine Fin™
8/15-LB/OZ
7/8
3/8
49.4 x 35.1 x 38.7
295
249
NO
YES
YES
TAYASCT501A
AY28X084
BAYISLT101
BAYLEGS002
BAYLEGS003
TAYASCT501A
AY28X084
BAYISLT101
BAYLEGS002
BAYLEGS003
BAYECMT023
TAYREFLN1*
BAYECMT023
TAYREFLN2*
TAYASCT501A
AY28X084
BAYISLT101
BAYLEGS002
BAYLEGS003
BAYKSKT260
BAYECMT004
TAYREFLN2*
TAYASCT501A
AY28X084
BAYISLT101
BAYLEGS002
BAYLEGS003
BAYKSKT260
BAYECMT004
TAYREFLN3*
1 Certified in accordance with the Air-Source Unitary Heat Pump Equipment certification program which is based on ARI Standard 210/240.
2 Calculated in accordance with N.E.C. Only use HACR circuit breakers or fuses.
3 Standard line lengths - 60'. Standard lift - 60' Suction and Liquid line.
For Greater lengths and lifts refer to refrigerant piping software Pub# 32-3312-0†. (†denotes latest revision)
4 For accessory description and usage, see page 5.
5 * = 15, 20, 25, 30, 40 and 50 foot lineset available.
A-weighted Sound Power Level [dB(A)]
SOUND POWER
LEVEL [dB(A)]
63
2TWX4018B1
71
47.8
55.0
60.2
64.3
65.0
61.8
56.8
57.5
2TWX4024B1
74
48.3
54.1
58.8
63.5
69.7
66.1
59.0
56.6
2TWX4030B1
73
47.2
59.5
60.6
66.5
67.1
62.3
55.5
51.2
2TWX4036B1
74
47.8
57.7
64.0
66.4
69.3
61.7
55.0
48.8
2TWX4042B1
74
50.2
58.8
64.2
65.7
71.0
63.4
56.0
53.1
2TWX4048B1
74
50.2
58.8
64.2
65.7
71.0
63.4
56.0
53.1
2TWX4060B1
74
50.6
55.2
62.0
69.3
69.3
65.6
64.7
53.7
MODEL
A-WEIGHTED FULL OCTAVE SOUND POWER LEVEL dB - [dB(A)]
125
250
500
1000
2000
4000
8000
Note: Tested in accordance with ARI Standard 270.95. (Not listed with ARI)
4
22-1750-04
General
Data
Product Specifications
Model No. 1
2TWX4042B1
Electrical Data V/Ph/Hz 2
208/230/1/60
Min Cir Ampacity
24
Max Fuse Size (Amps)
40
Compressor
CLIMATUFF® - SCROLL
RL Amps - LR Amps
17.9 - 104
Outdoor Fan FL Amps
1.30
Fan HP
1/6
Fan Dia (inches)
27.6
Coil
Spine Fin™
Refrigerant
R-22
9/10-LB/OZ
7/8
Line Size - (in.) O.D. Gas 3
3/8
Line Size - (in.) O.D. Liquid 3
Dimensions H x W x D (Crated)
53.4 x 35.1 x 38.7
Weight - Shipping
310
Weight - Net
261
Start
Components
NO
Sound
Enclosure
YES
Compressor Sump Heat
YES
Optional Accessories:
4
Anti-short Cycle Timer
TAYASCT501A
Evaporator Defrost Control A/C
AY28X084
Rubber Isolator Kit
BAYISLT101
Snow Leg - Base & Cap 4" High
BAYLEGS002
Snow Leg - 4" Extension
BAYLEGS003
Hard Start Kit Scroll
BAYKSKT260
Extreme Condition Mounting Kit
B AY E C M T 0 0 4
Refrigerant Lineset
5
TAYR E F L N 3 *
2TWX4048B1
208/230/1/60
28
45
CLIMATUFF® - SCROLL
21.2 - 137
1.30
1/6
27.6
Spine Fin™
10/05-LB/OZ
1-1/8
3/8
53.4 x 35.1 x 38.7
314
266
NO
YES
YES
2TWX4060B1
208/230/1/60
34
50
CLIMATUFF® - SCROLL
25.0 - 148
2.80
1/3
27.6
Spine Fin™
11/12-LB/OZ
1-1/8
3/8
53.4 x 35.1 x 38.7
339
290
YES
YES
YES
TAYASCT501A
AY28X084
BAYISLT101
BAYLEGS002
BAYLEGS003
BAYKSKT260
B AY E C M T 0 0 4
TAYR E F L N 4 *
TAYASCT501A
AY28X084
BAYISLT101
BAYLEGS002
BAYLEGS003
Accessory Description and Usage
ARI Standard Capacity Rating Conditions
Anti-Short Cycle Timer — Solid state timing device that
prevents compressor recycling until 5 minutes have elapsed
after satisfying call or power interruptions. Use in area with
questionable power delivery, commercial applications, long
lineset, etc.
ARI STANDARD 210/240 RATING CONDITIONS —
(A) Cooling 80°F DB, 67°F WB air entering indoor coil,
95°F DB air entering outdoor coil.
(B) High Temperature Heating 47°F DB, 43°F WB air entering
outdoor coil, 70°F DB air entering indoor coil.
(C) Low Temperature Heating 17°F DB, 15°F WB air entering
outdoor coil, 70°F DB air entering indoor coil.
(D) Rated indoor airflow for heating is the same as for cooling.
Evaporator Defrost Control — SPST Temperature actuated switch that cycles the condenser off as indoor coil
reaches freeze-up conditions. Used for low ambient cooling
to 30°F with TXV.
ARI STANDARD 270 RATING CONDITIONS — (Noise rating
numbers are determined with the unit in cooling operation.)
Standard Noise Rating number is at 95°F outdoor air.
Rubber Isolators — 5 large rubber donuts to isolate
condensing unit from transmitting energy into mounting
frame or pad. Use on any application where sound transmission needs to be minimized.
Hard Start kit — Start capacitor and relay to assist compressor
motor startup. Use in areas with marginal power supply, on
long linesets, low ambient conditions, etc.
Extreme Condition Mount Kit — Bracket kits to securely
mount condensing unit to a frame or pad without removing any
panels. Use in areas with high winds, or on commercial roof
tops, etc.
22-1750-04
B AY E C M T 0 0 4
TAYR E F L N 4 *
SPLIT SYSTEM
5
Model
Nomenclature
Outdoor Units
2 T W X 4 0 3 6 B 1 0 0 0 A A
Heat Pump/
Cooling Coils
Refrigerant Type
2 = R-22
4 = R-410A
TRANE
Product Type
W = Split Heat Pump
T = Split Cooling
Product Family
Z = Leadership – Two Stage
X = Leadership
R = Replacement/Retail
B = Basic
A = Light Commercial
Family SEER
0 = 10
3 = 13
1 = 11
4 = 14
2 = 12
5 = 15
6 = 16
8 = 18
9 = 19
Split System Connections 1-6 Tons
0 = Brazed
Nominal Capacity in 000s of BTUs
Major Design Modifications
Power Supply
1 = 200-230/1/60 or 208-230/1/60
3 = 200-230/3/60
4 = 460/3/60
Secondary Function
Minor Design Modifications
Unit Parts Identifier
Gas Furnaces
Air Handlers –
Residential
4 T E E 3 F 3 6 A 1 0 0 0 A A
Refrigerant Type
4 = R-410A
2 = R-22
Application
TE = Fully Convertible
TG = Semi Convertible
TF = Front Return
TV = Vertical
Product Family
E = Leadership – Variable Speed
P = Leadership
C = Replacement/Retail
B = Basic
Flow Control
3 = Nonbleed TXV
4 = FCCV*
Feature Identifier
0 = Standard Unit
F = Air-Tite™
Nominal Capacity in 000s of BTUs
Major Design Modifications
Power Supply
1 = Single Phase
Electrical Connection
0 = Pig Tails
B = Circuit Breaker
D = Pull Disconnect
Future Option – Factory Installed Heater Nominal KW Value
Minor Design Modifications
Unit Parts Identifier
NOTE: There will be a phase-in of new model numbers for new
air handlers over next 2 years.
*Shipped with R-22 FCCV
6
22-1750-04
Electrical
Data
Schematic Diagrams
(SEE LEGEND)
22-1750-04
2TWX4018,024B
2TWX4030,036,42B
Printed from D155609REV00.
Printed from D155610REV00.
7
Electrical
Data
Schematic Diagrams
(SEE LEGEND)
2TWX4048B
2TWX4060B
Printed from D155612REV00.
Printed from D155611REV00.
8
22-1750-04
Electrical
Data
Schematic Diagrams
LEGEND
SYMBOLS
22-1750-04
9
Dimensions
2TWX4 Outline Drawing
MODELS
BASE
FIG.
A
B
C
D
E
F
G
H
J
K
2TWX4018B
3
2
1016 (40)
829 (32-5/8)
756 (29-3/4)
5/8
1/4
143 (5-5/8)
92 (3-5/8)
210 (8-1/4)
79 (3-1/8)
692 (27-1/4)
2TWX4024B
3
2
1118 (44)
829 (32-5/8)
756 (29-3/4)
3/4
5/16
143 (5-5/8)
92 (3-5/8)
210 (8-1/4)
79 (3-1/8)
692 (27-1/4)
2TWX4030B
4
1
1064 (41-7/8)
946 (37-1/4)
870 (34-1/4)
3/4
5/16
152 (6)
98 (3-7/8)
219 (8-5/8)
86 (3-3/8)
730 (28-3/4)
2TWX4036B
4
1
1165 (45-7/8)
946 (37-1/4)
870 (34-1/4)
7/8
3/8
152 (6)
98 (3-7/8)
219 (8-5/8)
86 (3-3/8)
730 (28-3/4)
2TWX4042B
4
1
1267 (49-7/8)
946 (37-1/4)
870 (34-1/4)
7/8
3/8
152 (6)
98 (3-7/8)
219 (8-5/8)
86 (3-3/8)
730 (28-3/4)
2TWX4048B
4
1
1267 (49-7/8)
946 (37-1/4)
870 (34-1/4)
1-1/8
3/8
152 (6)
98 (3-7/8)
219 (8-5/8)
86 (3-3/8)
933 (36-3/4)
2TWX4060B
4
1
1267 (49-7/8)
946 (37-1/4)
870 (34-1/4)
1-1/8
3/8
152 (6)
98 (3-7/8)
219 (8-5/8)
86 (3-3/8)
933 (36-3/4)
10
From Dwg. 21D152635 Rev. 11
NOTE: ALL DIMENSIONS ARE IN MM (INCHES)
22-1750-04
Mechanical
Specification Options
General
The 2TWX4 shall be fully charged from
the factory for matched indoor section
and up to 15 feet of piping. This unit must
be designed to operate at outdoor
ambient temperatures as high as 115°F.
Cooling capacities shall be matched with
a wide selection of air handlers and
furnace coils that are ARI certified. The
unit shall be UL listed. Exterior must be
designed for outdoor application.
Casing
Unit casing is constructed of heavy
gauge, galvanized steel and painted with
a weather-resistant powder paint.
Corrosion and weatherproof CMBP-G30
DuraTuff™ base.
Refrigerant Controls
Refrigeration system controls include
condenser fan and compressor
contactor. High and low pressure controls
are inherent to the compressor. Another
standard feature is the liquid line dryer.
Compressor
The Climatuff® compressor features
internal over temperature and pressure
protector, total dipped hermetic motor
and thermostatically controlled sump
heater. Other features include: roto lock
suction and discharge refrigeration
connections, centrifugal oil pump, and
low vibration and noise. The Climatuff®
compressor is standard with a 10 year
limited warranty.
22-1750-04
11
Condenser Coil
The Spine Fin™ coil shall be continuously
wrapped, corrosion resistant all aluminum with minimum brazed joints. This
coil is 3/8 inch O.D. seamless aluminum
glued to a continuous aluminum fin. Coils
are lab tested to withstand 2,000 pounds
of pressure per square inch. The outdoor
coil provides low airflow resistance and
efficient heat transfer. The coil is protected on all four sides by louvered
panels and has a 10 year limited warranty.
Low Ambient Cooling
As manufactured, this unit has a cooling
capability to 55°F. The addition of an
evaporator defrost control permits
operation to 40°F. The addition of an
evaporator defrost control with TXV
permits low ambient cooling to 30°F.
Accessories
Thermostats — Heating/Cooling
(manual and automatic changeover).
Sub-base to match thermostat and
locking thermostat cover.
Evaporator Defrost Control — See
Low Ambient Cooling.
Outdoor Thermostat — Supplemental
heat outdoor ambient lockout from
46 to –10°F.
FY4A, FA4C
Base Series Fan Coil
Sizes 1 1/2 — 5 Ton (018 Thru 060)
Product Data
AIR HANDLER TECHNOLOGY
AT ITS FINEST
The FY4A and FA4C direct--expansion fan coils are designed to
cover a wide range of air handling requirements. They are
compact and ready to fit where needed, in the basement,
crawlspace, attic, utility room, or closet. The unique cabinet design
of these fan coils meet new stringent regulations for cabinet air
leakage, a requirement of 2% cabinet leakage rate when tested at
1.0 inches of static pressure.
The FY4A and FA4C units are shipped with a factory--installed
hard--shutoff thermostatic expansion valve (TXV) metering device
with an internal check valve for reverse flow bi--pass capability.
All units come with solid state fan controls, 1--in. thick insulation
with R--value of 4.2, super--quiet multispeed motors, and
fully--wettable coils. Units can accommodate factory-- or
field--installed heaters from 3 to 30 kW.
The FY4A design is a residential new construction (RNC) model
available for use with Puronr, the environmentally sound
refrigerant. It comes with or without factory--installed disconnects.
It has a pre--painted (gray) galvanized insulated steel casing,
2--speed PSC motor in the 018 through 036 sizes, and 3--speed
PSC motors in the 042 through 060 sizes.
The FA4C has all the same quality features as the FY4A, but is for
use with R--22 refrigerant.
GLOSSARY
INDEX
AIR CONDITIONER: A mechanical device used to
control temperature and air movement in a
confined space.
INVERTER TECHNOLOGY: Pages 06-07
M-SERIES: 9,000-36,000 Btu/h
Btu/h (British Thermal Units per Hour): A measure
of cooling or heating capacity.
Residential and Select Commercial Applications
CAPACITY or LOAD: A refrigeration rating system
usually measured in Btu/h.
Overview of Product Line
Pages 08 - 09
COMPRESSOR: A refrigeration or air-conditioning
system pump that circulates refrigerant through pipes
between an outdoor and indoor unit using pressure.
Product Lineup and Technology Descriptions
Pages 10 - 11
HEAT PUMP: An air-conditioning system can reverse
the direction of refrigerant flow to provide either cooling
or heating to the indoor space.
MS/MSY SINGLE-ZONE, WALL-MOUNTED:
Air Conditioners
- Specifications
Pages 12 - 13
HSPF (Heating Season Performance Factor): A rating
of the seasonal efficiency of a heat pump unit when
operating in the heating mode.
MSZ SINGLE-ZONE, WALL-MOUNTED:
Air Conditioners and Heat Pumps
- Specifications
Pages 14 - 15
HVAC: A term which stands for Heating, Ventilation
and Air Conditioning.
INDOOR UNIT: The air handler of an air-conditioning
system, which contains a heat exchange coil,
filters, remote signal receiver and fan and provides
conditioned air into the space.
INVERTER TECHNOLOGY: Mitsubishi Electric’s
MUY, MUZ and all P-Series outdoor units use
INVERTER-driven compressor technology (Variable
Frequency Drive) to provide exceptional indoor highspeed cooling and heating. By responding to indoor
and outdoor temperature changes, these systems
reduce power consumption by varying the compressor
speed for extra energy savings. The system operates
only at the levels needed to maintain a constant and
comfortable indoor environment. Our CITY MULTI®
product line also incorporates INVERTER technology.
(Visit www.mrslim.com for details.)
MICROPROCESSOR: An electrical component
consisting of integrated circuits, which may accept,
store, control and output information.
OUTDOOR UNIT: A component of an air-conditioning
system which contains compressor, propeller fan,
circuit board and heat exchange coil. It pumps
refrigerant to/from indoor unit.
REFRIGERANT: A gas/liquid substance used to
provide cooling by direct absorption of heat.
Mitsubishi Electric products use environmentallyfriendly R410A refrigerant.
REFRIGERANT LINES: Copper tubing through which
refrigerant flows to and from indoor and outdoor units.
SEER (Seasonal Energy Efficiency Ratio): A rating of
the seasonal efficiency of air-conditioning or heating
units in cooling mode.
SPLIT-DUCTLESS SYSTEM: A system comprised
of a remote outdoor condensing unit connected by
refrigerant pipes to a matching, non-ducted indoor
air handler and a remote controller. Special cases for
introducing ventilated air may call for limited ducting
to air handler from outside.
MXZ MULTI-ZONE WALL-MOUNTED:
INVERTER-driven Multi-zone Heat Pumps
- Specifications
Pages 16 - 17
M X Z M ult i
MSZ-A09NA (4)
P-SERIES: 12,000-42,000 Btu/h
Commercial, Institutional and Large Residential
Product Lineup and Technology Descriptions
Pages 18 - 19
H2i™ HYPER-HEATING INVERTER:
Heat Pump System
- Specifications
Pages 20 - 23
PKA WALL-MOUNTED:
Air Conditioners and Heat Pumps
- Specifications
Pages 24 - 26
PLA CEILING-RECESSED CASSETTE:
Air Conditioners and Heat Pumps
- Specifications
Pages 27 - 29
PCA CEILING-SUSPENDED:
Air Conditioners and Heat Pumps
- Specifications
Pages 30 - 32
RATING CONDITIONS, REFRIGERANT TUBING
AND LINE LENGTHS: Page 33
ACCESSORIES: Page 34
LINE-HIDE™ AND DIAMONDBACK™ BALL VALVES:
Page 35
05
Quiet cooling and heating... for your comfort
PTAC/PTHP
Packaged Terminal
Air Conditioners
& Heat Pumps
In the meantime, the owners insulated the attic area to prevent future
freeze-ups, but they were surprised to see
that their electric bills skyrocketed. After
several months of high utility bills, they
again called the contractor, who came
and pulled the fuse on the electric
backup heat. But he didn’t notice the
shut-down compressor which, by failing
to produce any heat, had been the reason the electric heat was kicking in.
Of course, with the resistance heat
turned off, the upstairs zone was now
too cold. So just a week before I arrived,
the desperate owners had called in a different contractor, who taped up the
hole in the supply duct and turned the
resistance heat back on. But he also
failed to notice that half the machine
was shut down.
This case is not typical of heat pump
installations, but it does illustrate how
an inadequate understanding of how
heat pumps work can make simple
problems worse. If you’re planning
your first heat pump installation, it’s
Geothermal Options
Figure 1. The three
most common types of
geothermal loops are
horizontal closed loops,
installed in trenches;
vertical closed loops,
installed in bore holes;
and open loops, which
use well water.
important to have a good understanding of geothermal principles, because
these systems are less forgiving of certain installation errors than conventional hvac systems.
Heat Pump Basics
A heat pump is basically an air conditioner that can be reversed. In the summer, it moves heat out of the house to
provide air conditioning, and in the
winter it moves heat into the house to
provide heating. Air-source heat pumps
use an outdoor coil, just like the coil in
a standard central air conditioner, to
move heat to or from the outdoor air. A
geothermal heat pump uses a water well
or a buried loop of pipe to extract heat
from the soil to heat a building, and to
deliver heat back to the ground for cooling. Because the ground is so much
warmer than outdoor air in winter, and
so much cooler in the summer, geothermal systems are much more efficient
than standard heat pumps and air conditioners. Geothermal systems that use
a buried loop are called “closed-loop”
systems, and those that use well water
are referred to as “open loop” (see
Figure 1).
Geothermal Economics
The cost of the ground loop makes a
geothermal system more expensive to
install than an air-source heat pump or
a standard furnace with central air
conditioning. However, the investment can pay for itself in lower utility
bills. The details vary by locale, but
here are some general factors that
affect the payback:
• Electricity prices. Low electric rates
favor geothermal heating systems. In
areas of the country with higher electric rates, such as New England, oil or
gas heating may be cheaper than geothermal heating. However, geothermal
cooling will always be cheaper to operate than standard air conditioning,
and higher electric rates will just speed
up the payback.
• Cooling loads. Homes in climates with
low annual air conditioning loads
have less available savings from which
to pay back the initial investment.
OCTOBER JLC 1999
SYSTEMS ANALYSIS
Base Case: WSEC Electric Heat
Area
U-Value
delta-T
Sq.Ft.
Roof
216
0.034
46
Net Wall
426
0.058
46
Glass
32
0.40
46
Floor
216
Vol. cuft
Infiltration
1566
Total Heating Load
0.028
AC/hr
0.35
46
delta-T
46
Energy Analysis Base Case
2797 BTUH designn heating load
0.82 kW full design heating load
2500 hrs equivalent full load htg /year
2049 estimated annual electric heating
BTUH
Load
338
1137
589
278
456
2797
Proposed Case: Existing Studio
Area
U-Value
delta-T
Sq.Ft.
Roof
216
0.049
46
Net Wall
378
0.094
46
Glass A
40
0.63
46
Glass B
6
0.58
46
Glass C
16
0.51
46
Glass D
7.5
1.2
46
Floor
216
0.057
46
Vol. cuft
AC/hr
delta-T
Infiltration
1566
0.35
46
Total Heating Load
BTUH
Load
487
1634
1159
160
375
414
566
456
5252
Energy Analyses Proposed Case
5252 BTUH designn heating load
1.54 kW full design heating load
2500 hrs equivalent full load htg /year
3847 estimated annual heating load for electic heat
2.8 heat pump C.O.P.
1384 kWh estimated annual heat pump heating
Annual Heating Energy Estimate - Heat Pump vs Electric 12 mo's
Design Load at 20F= 34130 BTUH
Annual Heating Estimate
OA bin temp hrs/year Htg btuh Avg COP
kW/hr
HP kWh elec kWh
97
2
0
92
15
0
87
41
0
82
89
0
77
175
0
72
284
0
67
428
0
3.80
0.00
0
0
62
724
3413
3.60
0.28
201
724
57
1163
6826
3.40
0.59
684
2326
52
1357
10239
3.20
0.94
1272
4071
47
1567
13652
3.00
1.33
2089
6268
42
1348
17065
2.80
1.79
2407
6740
37
876
20478
2.60
2.31
2022
5256
32
482
23891
2.40
2.92
1406
3374
27
138
27304
2.20
3.64
502
1104
22
46
30717
2.00
4.50
207
414
17
18
34130
1.60
6.25
113
180
12
7
37543
1.00
11.00
77
77
8760
10980
30534
2.78 avg COP
Annual Heating Energy Estimate - Heat Pump vs Electric 9.3 mo's
Design Load at 20F= 34130 BTUH
Annual Heating Estimate
OA bin temp hrs/year Htg btuh Avg COP
kW/hr
HP kWh elec kWh
97
0
0
92
0
0
87
0
0
82
0
0
77
0
0
72
0
0
67
180
0
3.80
0.00
0
0
62
350
3413
3.60
0.28
97
350
57
726
6826
3.40
0.59
427
1452
52
1146
10239
3.20
0.94
1074
3438
47
1488
13652
3.00
1.33
1984
5952
42
1344
17065
2.80
1.79
2400
6720
37
878
20478
2.60
2.31
2026
5268
32
485
23891
2.40
2.92
1415
3395
27
138
27304
2.20
3.64
502
1104
22
46
30717
2.00
4.50
207
414
17
18
34130
1.60
6.25
113
180
12
7
37543
1.00
11.00
77
77
6806
10322
28350
2.75 avg COP
WATER HEATING SYSTEMS
For single family residences
By Fuel Type:
Usual Efficiency
Electric
Heat pump water heater
Natural Gas
Propane
Fuel Oil
Solar Thermal
C.O.P. = 1.0
C.O.P. = 2.0 – 2.5
75-95%
75-95%
70-80%
Usually sized for 50% of the annual load. Some
pump energy used. Electric or gas backup.
Tank: Storage Type
Tank systems are configured with all of the fuels
mentioned above. Tank systems have a reserve
of hot water on hand only after limited use or
enough time to recharge. Heat loss through the
jacket or flue is the primary source of inefficiency.
Sizing based on hourly usage. (GPH = gal/hr)
Tankless: Demand Type
Usually refers to a propane or natural gas burner
system with high heating capacity and a very
small reservoir. Negligible jacket loses. Requires
high volume gas supply.
Sizing based on instantaneous usage (GPM =
gal/min)
Instant: Demand Type
Usually refers to electric resistance units for
limited service to a sink or small bathroom group.
These are installed under counter or otherwise
near the fixtures.
Energy Usage:
Typically about 20 gallons/day/person
Temperature raised from 45F – 120F
Assume about 10-15% line/jacket losses
Approx. 5000 kWh/yr for a family of four
EF = energy factor. Manufacturer’s efficiency
rating which includes standard line/jacket losses.
Residential Gas Water Heaters
HIGH EFFICIENCY RESIDENTIAL MODELS
FEATURES
ENERGY STAR® QUALIFIED
■ Meets ENERGY STAR requirements for the .67 EF tier II efficiency increase
initiated September 1, 2010 and is eligible for most utility rebate programs based
on Energy Factor (EF) Ratings.
AUTOMATIC FLUE DAMPER
■ Increases efficiency as it auto-matically opens and closes to reduce heat loss in the
standby mode.
ELECTRONIC GAS CONTROL
■ Intelligent control logic provides enhanced operating parameters and tighter
differentials for precise sensing and faster heating response to optimize performance.
DIAGNOSTICS
■ The electronic gas control incorporates an LED status indicator that monitors system
operation and service diagnostics.
ELECTRONIC IGNITION
■ Heater operates with an automatic pilot relight system that shuts off the pilot during
stand-by modes to reduce gas consumption and eliminates nuisance pilot outage issues
associated with standing pilot models.
POWER REQUIREMENTS
■ Plugs into standard 110/120v outlet (10 foot power cord included).
DYNACLEAN™ DIFFUSER DIP TUBE
■ Helps reduce lime and sediment buildup, maximize hot water output. Made from
long-lasting PEX cross-linked polymer.
GREEN CHOICE® GAS BURNER
■ Patented “Eco-Friendly” design reduces Low NOx emissions by up to 33% and meets
less than 40 ng/j requirements for Low NOx.
COREGARD™ ANODE ROD
■ An A. O. Smith exclusive. Anode has stainless steel core, protects tank against corrosion
longer than ordinary steel anodes.
DURABLE, BRASS TAMPER-RESISTANT DRAIN VALVE
BLUE DIAMOND® GLASS COATING
■ Provides superior corrosion resistance to industry-standard glass lining.
CSA CERTIFIED AND ASME RATED T&P RELIEF VALVE
■ Top-mounted T&P Relief Valve available as option on all models.
CODE COMPLIANCE
■ UBC, CEC, SBCC, HUD and BOCA National Codes. Meets the thermal efficiency and
standby loss requirements of the U. S. Department of Energy and
current edition of ASHRAE/IESNA 90.1. Meets the Federal Energy
Efficiency Standards effective January 20, 2004, according to the National
Appliance Energy Conservation Act (NAECA) of 1992.
Series 100
®
DESIGN-CERTIFIED BY CSA INTERNATIONAL
■ According to ANSI Z21.10.1 - 4.1 CSA Standards governing storage-type water heaters.
FLAMMABLE VAPOR IGNITION RESISTANT COMPLIANT DESIGN
6-YEAR LIMITED TANK AND PARTS WARRANTY
■ For complete information, consult written warranty or A. O. Smith Water
Products Company.
Page 1 of 2
Revised August 2011
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Residential Gas Water Heaters
RESIDENTIAL GAS MODELS - SERIES 100
MODEL
NUMBER
SERIES
FIRST
ENERGY
HOUR
RATING FACTOR GALLON
CAPACITY
(EF)
GALLONS
BTU
RECOVERY
INPUT
90°F RISE
PER
GALLONS
HOUR
NATURAL* PER HOUR
FOAM
THICKNESS
(INCHES)
DIMENSIONS IN INCHES
A
B
C
D
E
F
DRAFT
HOOD
OUTLET
APPROX.
SHIPPING
WEIGHT
(LBS)
TALL MODELS
GCF-40
100
67
.67
40
40,000
42
2
64-1/4 58-1/4
20
13
8
51-3/4
3 or 4
152
GCF-50
100
81
.67
50
40,000
42
2
63-1/2 57-1/4
22
13
8
50-1/4
3 or 4
167
100
67
.67
40
40,000
42
2
22
13
8
41
3 or 4
149
SHORT MODEL
GCFL-40
54
47-3/4
Recovery capacity based on actual performance tests.
Water Connections - 3/4” on all models.
External heat trap nipples are factory-installed on all models
Order SMR S45 for Top T&P - Example GCF-40 S45
All models are ENERGY STAR® qualified.
All models are certified from sea level to 10,100 ft. elevations
*Propane (LP) gas - 37,000 BTU input for 50-gallon models and 36,000 BTU for 40-gallon models
ANODE ROD*
HOT
CONNECTION
COLD
CONNECTION
E
C
T&P VALVE
1/2" GAS
CONNECTION
F
B
A
D
* Location for optional top-mounted T&P Valve if ordered from factory.
Maximum Hydrostatic Working Pressure: 150 PSI.
For Technical Information call 1-800-527-1953. A. O. Smith Corporation reserves the right to make product changes or improvements without prior notice.
Revised August 2011
www.hotwater.com
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AOSRG45250
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8:18 AM
RHEEM HYBRID WATER HEATERS
Super
HP-SERIES
2.0
energy factor
FAST
recovery
EASY
50
installation
gallon capacity
ECO
friendly
40
gallon capacity coming soon!