Installation Instruction
CTS 600 by Nilan
VPM 120
VPM 240
VPM 360
VPM 480
VPM 560
Version: 5.02, 17-10-2011
Table of contents
Table of contents ............................................................................................................................ 2
Figures ........................................................................................................................................... 2
General information before installation ........................................................................................... 3
Electrical installation ....................................................................................................................... 4
Setting up VPM .............................................................................................................................. 5
Condensation outlet/water lock ....................................................................................................... 6
Heating element, water (option) ...................................................................................................... 7
Guide to performance data, water heating element ..................................................................... 8
Heating element, electric (option) .................................................................................................. 11
Guide to performance data for electric heating element ............................................................ 11
Setting up the CTS 600 control system ......................................................................................... 12
Activating service menu ............................................................................................................ 12
Heating element ........................................................................................................................ 13
Air exchange ............................................................................................................................. 14
Defroster ................................................................................................................................... 15
Temp. control ............................................................................................................................ 16
Inlet control ............................................................................................................................... 17
Room control ............................................................................................................................ 18
Restart ...................................................................................................................................... 19
Reset ........................................................................................................................................ 20
Manual ...................................................................................................................................... 21
Guide to unit dimensions .............................................................................................................. 22
Accessories/spare parts ............................................................................................................... 23
Figures
Figure 1: CTS 600 control panel ..................................................................................................... 4
Figure 2: Setting up the unit ............................................................................................................ 5
Figure 3: Installing water lock ......................................................................................................... 6
Figure 4: Recommended water circulation system installation ........................................................ 7
Figure 5: CTS 600 control panel ................................................................................................... 12
Figure 6: Main points of service menu .......................................................................................... 12
Figure 7: "Heating element" menu ................................................................................................ 13
Figure 8: "Air exchange" menu ..................................................................................................... 14
Figure 9: "Defrost" menu .............................................................................................................. 15
Figure 10: "Temp. control" menu .................................................................................................. 16
Figure 11: "Inlet control" menu...................................................................................................... 17
Figure 12: "Room control" menu ................................................................................................... 18
Figure 13: "Restart" menu ............................................................................................................ 19
Figure 14: "Reset" menu............................................................................................................... 20
Figure 15: "Manual" menu ............................................................................................................ 21
Figure 16: Guide to unit dimensions ............................................................................................. 22
General information before installation

Check that the following documents have been supplied with the unit:
- Installation Guide (this document)
- CTS 600 User Guide
- Wiring diagram
If you have any questions concerning installation after reading the guide, please contact your
nearest Nilan dealer via www.nilan.dk/dealers
The unit is designed for installation of supplementary heating elements (electric or water) for additional heating of inlet air.
The unit is supplied as standard with filter classes F5 (EU5) for exhaust and F7 (EU7) for inlet air.
The unit is operated by a CTS 600 control system, featuring a wide range of functions, e.g. menucontrolled operation, weekly programme, filter monitor with timer, adjustment of fan speed etc.
(CTS 600 is described in a separate user guide supplied with the system).
For spare parts and other accessories, see page 23.
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Page 3 of 24
Electrical installation


Electrical installation/power supply (including safety switch) must be installed by an authorised electrician.
Connect the unit according to the wiring diagram supplied.
Each ventilation part must be connected to mains electricity before the unit can be started.
The unit is supplied with a 1m test cable for the CTS 600 panel. The panel is connected to the CTS
600 control system in the unit by cable type 2 x 2 x 0.25 mm2 twisted pair (max. length 50 m).
The CTS 600 panel must be placed in a dry, frost-free place. The integrated sensor prevents further cooling of the building in the event of breakdown of the primary heating supply, by stopping
the ventilation unit if the panel sensor goes below its set value. (factory set at 10°C, can be set
between 1°C and 20°C).
Figure 1: CTS 600 control panel
If an electric or water heating element is fitted in the unit, the regulation valve and circulation pump
must be connected according to the wiring diagrams supplied.
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Page 4 of 24
Setting up VPM

During set up, future service and maintenance should be taken into account.
We recommend a minimum gap in front of/behind the unit according to N/M, O/P measurements (see Figure 16Figure 16, page 22).
The individual nozzles are labelled to simplify setting up. Please note the attached labels. The nozzles and duct system are connected by flexible pipes (flex-pipes, sound-insulated flex-pipes or
other type).
A non-return damper should be fitted to prevent condensation, frost and heat loss. Dampers can
be controlled via the CTS 600 control system.
The unit must be installed level for the sake of the condensation outlet. The condensation outlet
requires clearance of min. 120 mm under the drain nozzle (see Figure 3, page 6).
No additional insulation is required, as the unit is supplied with 50 mm of insulation as standard.
If installed outdoors, the unit must be covered (above its top at the least) to prevent water getting
in.
Although the unit generates practically no noise or vibration, measures should be taken to prevent
vibration radiating into the building. To separate the unit from the surface it stands on, we recommend placing it on vibration dampers.
Top cover for outdoor installation.
Toplåg for udvendig opstilling
(Accessories)
(tilbehør)
Vibration absorber.
Vibrationsdæmpere
(Accessories)
(tilbehør)
Figure 2: Setting up the unit
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Page 5 of 24
Condensation outlet/water lock
VPM models are supplied with a 20 mm condensation outlet (PVC, GF fittings). The drain is located under the discharge air nozzle. The unit is supplied with a fitting in front of the drain for
protection during transportation. Remove the fitting before fitting the water lock.

A water lock is required connected to the condensation outlet. A pipe with a consistent
fall of at least 1 cm per metre must connect the condensation nozzle to the nearest
drain. Protect the pipe from frost.

It may be necessary to fit a heating cable to the condensation outlet to prevent icing,
running from the unit to the house climate screen. The electrician is responsible for protecting the condensation outlet from frost.
There can be underpressure of up to 500 Pa (= 50 mm water column) in the drain during operation.
The height difference in the water lock must therefore be minimum 50 mm. The first bend in the
water lock must be at least double the length to ensure flow of condensate water.
The condensation outlet must be airtight from the unit to the water lock to ensure unobstructed flow
of condensate water away from the unit. If the condensation outlet is not airtight, air will be drawn
in and the water will not flow away from the unit.
The water lock can dry out and prevent water from draining from the condensation tray. It should
therefore be checked regularly, and topped up with water as required. Filling the water in the lock
above the minimum requirement will reduce the need for topping up.
Ø20mm drain
VPM
min. 50mm.
min. 50mm.
min. 78mm
Figure 3: Installing water lock

Once the water lock is installed, test its function as follows (the unit must be connected
to the duct system, and covers in place):
Fill the condensation tray with water. Start the unit at highest fan speed with the doors
closed. Allow the unit to run for a few minutes. Check there is no water in the condensation tray when the test is concluded.
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Page 6 of 24
Heating element, water (option)


Connection of the heating element must be performed by an authorised plumber.
If the unit is installed outdoors, or outside the building's climate screen, protect the installation against frost damage.
The heating element is installed inside the unit by the factory if ordered as an option. If retrofitting a
water heating element, it must be activated in the CTS 600 control system as described on page
13.
Pass the pipe connections to the element through the inlet nozzle side. It is important that the
pipes are supported from the element where connected. See figure for recommended mixing loop.
Connect, bleed and check the system for leaks. The unit can then be started.
Check and clean the dirt trap after flushing the system.

The distance between the water circulation system and heating element should not exceed 2 metres to ensure stable adjustment of the element.
Avoid installing pipes in the unit such that the fan cannot be removed.
4
1
3
2
B
Reguleringsventil:
PN = 16 bar
Max. diff. Tryk = 3,5 bar
4
Retur
Heating surface
AB
A
Flow
5
Air flow
T9
B3
Figure 4: Recommended water circulation system installation
Note: Temperature sensor T9 and frost thermostat sensor B3 are fitted on the heating element's air exhaust side, near the return water connection. See wiring diagram for connection.
1:
2:
3:
4:
5:
Actuator and regulating valve:
VPM 120, type Danfoss AME 140/24V, - 3-way valve VZ3 DN15 Kv 0.63, (supplied by Nilan)
VPM 240, type Danfoss AME 140/24V, - 3-way valve VZ3 DN15 Kv 1.6, (supplied by Nilan)
VPM 360, type Danfoss AME 140/24V, - 3-way valve VZ3 DN15 Kv 2.5, (supplied by Nilan)
VPM 480, type Danfoss AME 140/24V, - 3-way valve VZ3 DN15 Kv 4.0, (supplied by Nilan)
VPM 560, type Danfoss AME 140/24V, - 3-way valve VZ3 DN15 Kv 4.0, (supplied by Nilan)
Circulation pump, e.g. Grundfos UPS 25-40 or equivalent (not supplied by Nilan)
Dirt trap (not supplied by Nilan)
Shut-off cock (not supplied by Nilan)
Air vent (not supplied by Nilan)
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Page 7 of 24
Guide to performance data, water heating element
The table below shows heat production at various supply and return temperatures
- at 5°C inlet after the heat pump and before the heating element.
Guide to performance data for VPM 120 water heating element
Pipe connection: Ø15 (for factory-fitted element)
Supply/return
temperature
[°C]
40/30
60/40
70/40
Air volume
Performance
Inlet air temperature
(at temperature of
5°C just before the
element)
Pressure
drop on
water side
Pressure
drop on
air side
Water
volume
[m3/h]
[kW]
[°C]
[kPa]
[Pa]
[l/h]
400
3
26.1
5
4.3
259
600
4
23.7
8.4
8.4
344
800
4.8
22
11.8
13.5
416
1,000
5.6
20.7
15.3
19.5
480
1,200
6.2
19.6
18.7
26
537
400
4.5
36.8
2.9
4.3
196
600
6
33.1
4.8
8.4
260
800
7.2
30.5
6.7
13.5
314
1,000
8.3
28.4
8.6
19.5
361
1,200
9.3
26.8
10.5
26
403
400
5
39.9
1.6
4.3
144
600
6.5
35.6
2.7
8.4
189
800
7.9
32.7
3.7
13.5
228
1,000
9
30.4
4.7
19.5
261
1,200
10
28.6
5.8
26
291
Recommended
Kv value
for valve
Kv =
0.63
Guide to performance data for VPM 240 water heating element
Pipe connection: Ø22 (for factory-fitted element)
Supply/return
temperature
[°C]
40/30
60/40
70/40
All rights reserved
Air volume
Performance
Inlet air temperature
(at temperature of
5°C just before the
element)
Pressure
drop on
water side
Pressure
drop on
air side
Water
volume
[m3/h]
[kW]
[°C]
[kPa]
[Pa]
[l/h]
800
5.6
24.9
7.6
6
162
1,200
7.5
22.5
12.5
12
642
1,600
8.9
20.8
17.4
19
772
2,000
10
19.1
18
28
784
2,400
10.8
17.7
17.8
38
778
800
8.5
34.9
4.4
6
368
1,200
11.2
31.2
7.1
12
484
1,600
13.4
28.6
9.9
19
581
2,000
15.3
26.6
12.6
28
665
2,400
17.1
25
15.3
38
740
800
9.3
37.7
2.4
6
269
1,200
12.1
33.5
3.9
12
352
1,600
14.5
30.6
5.4
19
421
2,000
16.6
28.4
6.9
28
481
2,400
18.4
26.6
8.3
38
534
Recommended
Kv value
for valve
Kv = 1.6
Page 8 of 24
Guide to performance data for VPM 360 water heating element
Pipe connection: Ø22 (for factory-fitted element)
Supply/return
temperature
Air volume
[°C]
40/30
[m3/h]
60/40
70/40
Performance
[kW]
Inlet air temperature
(at temperature of
5°C just before the
element)
[°C]
Pressure
drop on
water side
[kPa]
Pressure
drop on
air side
Water
volume
[Pa]
[l/h]
1,200
8.5
25
9.8
6
734
1,800
11.2
22.3
16.1
12
968
2,400
12.8
20.1
14.8
20
923
3,000
14.3
18.8
15.6
28
949
3,600
15.5
17.1
15.8
39
952
1,200
12.8
35.1
5.6
6
556
1,800
16.8
31.4
9.2
12
731
2,400
20
28.7
12.7
20
877
3,000
23.1
26.7
16.2
28
929
3,600
24.9
24.5
15.6
39
981
1,200
14.1
38
3.2
6
407
1,800
18.4
33.8
5.1
12
533
2,400
22
30.8
7
20
637
3,000
25.1
28.6
8.9
28
728
3,600
27.9
26.8
10.8
39
808
Recommended
Kv value
for valve
Kv = 2.5
Guide to performance data for VPM 480 water heating element
Pipe connection: Ø22 (for factory-fitted element)
Supply/return
temperature
Air volume
Performance
[m3/h]
1,600
2,400
3,200
4,000
4,800
1,600
2,400
3,200
4,000
4,800
1,600
2,400
3,200
4,000
4,800
[kW]
11.1
14.7
17.6
20.2
22.5
16.8
22.0
26.3
30.1
33.5
18.3
23.9
28.5
32.6
36.1
[°C]
40/30
60/40
70/40
All rights reserved
Inlet air temperature
Pressure
Pressure
Water
(at temperature of drop
on drop on
volume
5°C just before the water side
air side
element)
[°C]
24.6
22.2
20.5
19.2
18.2
34.5
30.8
28.2
26.2
27.7
37.3
33.1
30.1
27.9
26.2
[kPa]
6.1
10.0
13.9
17.8
21.6
3.5
5.7
7.9
10.0
12.2
2.0
3.2
4.3
5.5
6.5
[Pa]
7
13
21
30
40
7
13
21
30
40
7
13
21
30
40
[l/h]
962
1265
1520
1742
1930
727
954
1143
1307
1454
531
693
827
944
1048
Recommended Kv
value
for
valve
Kv = 4.0
Page 9 of 24
Guide to performance data for VPM 560 water heating element
Pipe connection: Ø22 (for factory-fitted element)
Supply/return
temperature
Inlet air temperature
Pressure
Pressure
Water
(at temperature of drop
on drop on
volume
5°C just before the water side
air side
element)
Air volume
Performance
[m3/h]
[kW]
[°C]
[kPa]
[Pa]
[l/h]
1,900
12.5
23.6
7.6
9
1082
2,800
16.2
21.3
12.0
17
1397
3,700
19.3
19.7
16.4
26
1662
4,600
21.9
18.4
20.7
38
1892
5,600
24.5
17.4
25.4
52
2118
1,900
18.8
33.0
1.3
9
818
2,800
24.2
29.4
6.8
17
1052
3,700
28.8
26.9
9.2
26
1248
4,600
32.7
25.0
11.6
38
1419
5,600
36.6
23.4
14.2
52
1586
1,900
20.5
35.5
2.4
9
596
2,800
26.3
31.5
3.7
17
763
3,700
31.1
28.7
5.1
26
902
4,600
35.3
26.6
6.3
38
1023
5,600
39.4
24.8
7.7
52
1141
[°C]
40/30
60/40
70/40
Recommended Kv
value
for
valve
Kv = 4.0
IMPORTANT, ref. Danfoss Actuator type AME 140:
Refitting the actuator MUST be performed as follows:
1. Disconnect mains electricity and remove the actuator cover.
2. Release the gear by depressing the button under the housing whilst screwing the shaft upwards (counter clockwise) as far as it will go.
3. Fit the actuator and connect electricity.
4. DIP switch no. 1 switch to ON and then to OFF.
5. Calibration will run automatically for up to 6 minutes.
(Diode will flash during calibration and then be constantly lit).
6. Fit actuator cover.
Ambient temperature for Danfoss Actuator type AME 140/24 V is 0°C to 55°C.
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Page 10 of 24
Heating element, electric (option)
The electric heating element is installed by the factory if ordered as an option. If retrofitting an electric heating element, it must be activated in the CTS 600 control system as described on page 12.
The element is binary controlled in 7 steps.

The electric heating element must be connected by an authorised electrician.
Guide to performance data for electric heating element
The table below shows heat production for various air volumes - at 5°C inlet air after the heat pump
and before the heating element.
Guide to performance data for
VPM 120 electric heating element
Inlet air temperature
(at temperature of 5°C just before
the element)
Air volume
Max.
output
[m3/h]
400
[kW]
4.9
[°C]
41
600
4.9
29
800
4.9
23
1,000
4.9
19
1,200
4.9
17
Guide to performance data for
VPM 240 electric heating element
Inlet air temperature
(at temperature of 5°C just before
the element)
Air volume
Max.
output
[m3/h]
800
[kW]
7
[°C]
30
1,200
7
17
1,600
7
14
2,000
7
12
2,400
7
11
Guide to performance data for
VPM 360 electric heating element
Inlet air temperature
(at temperature of 5°C just before
the element)
Air volume
Max.
output
[m3/h]
1,200
[kW]
14
[°C]
39
1,800
14
28
2,400
14
22
3,000
14
19
3,600
14
16
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Page 11 of 24
Setting up the CTS 600 control system
This chapter focuses on the CTS 600 control system service menu. Daily use of the CTS 600 control system: see the CTS 600 user guide supplied.
Use of the CTS600 panel:
- press ESC to go one step back in the menu
- press qpto move up or down in a menu or to adjust an
activated menu
- press ENTER to activate a menu
- press ENTER to confirm a menu
- press OFF to turn off the unit
- press ON to turn the unit on
Figure 5: CTS 600 control panel
Activating service menu
Hold q and ENTER key down simultaneously for 10 secs. The service menu will now be available.
Press the q key until SERVICE appears on the display. Press ENTER to open the service menu.
Scroll through the menu using the pq keys. The main points of the service menu are shown below:
SERVICE
ENTER HEATING
SURFACE
AIR
EXCHANGE
DEFROST
TEMP.
CONTROL
INLET
CONTROL
ROOM
KONTROL
RESTART
OFF
PRESET
OFF
MANUEL
OFF
Figure 6: Main points of service menu
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Page 12 of 24
Heating element
The unit is prepared for installation of a supplementary heating element. If the element is supplied
and fitted by Nilan, it will be activated in the CTS 600 control system.
A water or electrical heating element can be retrofitted. The element must be activated in the CTS
600 control system to work as part of the unit, and to activate frost protection for the element.
Use of the CTS600 panel:
- press ESC to go one step back in the menu
- press qpto move up or down in a menu or to adjust an
activated menu
- press ENTER to activate a menu
- press ENTER to confirm a menu
- press OFF to turn off the unit
- press ON to turn the unit on
SERVICE
ENTER HEATING
SURFACE
AIR
EXCHANGE
DEFROST
TEMP.
CONTROL
INLET
CONTROL
ENTER SELECT
ENTER SELECT
WATERSUP
”WATERSUP”
DELAY
0 MIN
SELECT
”EB SUP”
Delay between
start of ventilators
and heating
surface (0 – 60
minutes)
SELECT
”EL SUP”
SELECT
”OFF”
Without Heating
Surface
ROOM
KONTROL
Should be chosen
when installing a
heating surface for
water.
Controlled via 0 -10
V signal
LMC-200 PCB
should be installed.
Otherwise ”Alarm
90 slave I/O”
occurs.
Should be chosen
when installing an
electrical heating
surface, binary
controlled
(connection of steps
via relays on CTS
600 PCB)
Should be chosen
when installing an
electrical heating
surface, controlled
via 0-10 V signal
LMC-200 PCB
should be installed.
Otherwise ”Alarm
90 slave I/O”
occurs.
RESTART
OFF
PRESET
OFF
MANUEL
OFF
Figure 7: "Heating element" menu
All rights reserved
Page 13 of 24
Air exchange
The air exchange menu can be used to set 4 ventilation steps (air volumes) for the unit. Inlet air
and exhaust air can be set individually for each ventilation step.
A minimum ventilation step can be set for inlet, and min./max. ventilation steps for exhaust.
A delay can be set from when the unit switches on until the fan starts, to give the non-return damper time to open.
Use of the CTS600 panel:
- press ESC to go one step back in the menu
- press qpto move up or down in a menu or to adjust an
activated menu
- press ENTER to activate a menu
- press ENTER to confirm a menu
- press OFF to turn off the unit
- press ON to turn the unit on
SERVICE
ENTER HOTWATER
AIR
EXCHANGE
The lowest permissible
ventilation step for fresh air/inlet
(0-2)
ENTER INLET
MIN 0
DEFROST
EXHAUST
MIN 1
TEMP.
CONTROL
EXHAUST
MAX 4
INLET
CONTROL
INLET
>1< 35%
ROOM
CONTROL
RESTART
OFF
EXHAUST
>1< 35%
PRESET
OFF
MANUAL
OFF
DELAY
2 MIN
The lowest permissible
ventilation step for outlet/exhaust
(1-2)
The highest permissible
ventilation step for outlet/exhaust
(3-4)
Settings of the 4 ventilation levels
of inlet/supply air (20-100 %)
Factory settings:
Level 1: 35 %
Level 2: 50 %
Level 3: 75 %
Level 4: 100 %
Settings of the 4 ventilation levels
of exhaust/extract air (20-100 %)
Factory settings:
Level 1: 35 %
Level 2: 50 %
Level 3: 75 %
Level 4: 100 %
Delay of fan start, enabling the
damper to open completely
before the fans start.
(0-4 minutes)
Figure 8: "Air exchange" menu
All rights reserved
Page 14 of 24
Defroster
The Defrost menu is used to programme the unit for defrosting the condenser surface for exhaust.
Use of the CTS600 panel:
- press ESC to go one step back in the menu
- press qpto move up or down in a menu or to adjust an
activated menu
- press ENTER to activate a menu
- press ENTER to confirm a menu
- press OFF to turn off the unit
- press ON to turn the unit on
SERVICE
ENTER
HEATING
SURFACE
AIR EXCH
”LOW”
AIR
EXCHANGE
DEFROST
ENTER AIR EXCH
USER
ENTER
AIR EXCH
”OFF”
TEMP.
CONTROL
INLET
CONTROL
ROOM
CONTROL
AIR EXCH
”USER”
Constant
air flow
during
defrosting.
Airflow stopped during
defrosting (should be used
when exhaust air
temperature is less than
10°C).
RESTART
OFF
PRESET
OFF
MANUAL
OFF
Figure 9: "Defrost" menu
All rights reserved
Page 15 of 24
Temp. control
The Temperature control menu is used to select the master temperature sensor for the unit. A
minimum value can be entered to stop the unit in the event of loss of the primary heating supply to
prevent further cooling of the building.
Use of the CTS600 panel:
- press ESC to go one step back in the menu
- press qpto move up or down in a menu or to adjust an
activated menu
- press ENTER to activate a menu
- press ENTER to confirm a menu
- press OFF to turn off the unit
- press ON to turn the unit on
SERVICE
ENTER HEATING
SURFACE
AIR
EXCHANGE
DEFROST
TEMP.
CONTROL
Indicates which sensor is
to be the controlling one:
ROOM: T15 (panel sensor)
ROOM EXT: T10 (installed
in an extract fitting of your
choice)
INLET: T7 (Inlet air
temperature is chosen in
the menu. T7/2 is the
controlling sensor. Max/
min limits are not active)
ENTER SENSOR
PANEL
SENSOR
”INLET”
SENSOR
”EXTERNAL”
ENTER
SENSOR
”PANEL”
INLET
CONTROL
PRIORITY
HP+EXT
ENTER PRIORITY
”HP+EXT”
ENTER
ROOM
CONTROL
ROOM
LOW 10°C
PRIORITY
”HP”
ENTER
PRIORITY
”OFF”
ENTER
RESTART
OFF
PRESET
OFF
MANUAL
OFF
The unit stops at this
room temperature (120°C) - - means that the
function is unactive.
- - should be chosen if
the panel is placed in a
cold environment.
OFF: ventilation
without heatpump
HP: ventilation only
with heatpump activ
HP+EXT: ventilation
with heatpump and
heating surface activ
Figure 10: "Temp. control" menu
All rights reserved
Page 16 of 24
Inlet control
The Inlet control menu can be used to set the regulator for the inlet air temperature.

The parameters in the "INLET CONTROL” menu should only be adjusted by authorised
personnel. (To reset factory settings, see page 20).
Use of the CTS600 panel:
- press ESC to go one step back in the menu
- press qpto move up or down in a menu or to adjust an
activated menu
- press ENTER to activate a menu
- press ENTER to confirm a menu
- press OFF to turn off the unit
- press ON to turn the unit on
SERVICE
ENTER HOTWATER
AIR
EXCHANGE
DEFROST
TEMP.
CONTROL
INLET
CONTROL
ROOM
CONTROL
.
ENTER GAIN
7.0%/°
INTEGRAL
120s
RESTART
OFF
N- ZONE
2.0°C
PRESET
OFF
TMP- RAMP
0.10°/s
PERIOD
”VERYFAST”
MANUAL
OFF
CAP- RAMP
0.5%/s
PERIOD
”FAST”
COND
MAX 55 °C
PERIOD
”NORMAL”
.
The maximum condenser temperature can
be adjusted to the ventilation system.
Cooling mode:
In case of outage of the high pressure
sensitive switch, “Max 55˚C” can be
lowered to e.g. 50˚C.
When the cooling output is reduced due to
hot gas bypass, “Max 55˚C” can be raised
to 57-60˚C.
In case of high pressure outage, the
temperature is lowered.
PERIOD
AUTO
HEATPUMP
RST ”6m”
ENTER PERIOD
”AUTO”
The minimum length of
time (in minutes) the
compressor must be
stopped before
restarting.
Figure 11: "Inlet control" menu
All rights reserved
Page 17 of 24
Room control
The Room control menu can be used to set the regulator for the room temperature.
The menu will NOT appear if T7 is selected as the master sensor on the Temp. control menu.

The parameters in the "ROOM CONTROL” menu should only be adjusted by authorised
personnel. (To reset factory settings, see page 20).
Use of the CTS600 panel:
- press ESC to go one step back in the menu
- press qpto move up or down in a menu or to adjust an
activated menu
- press ENTER to activate a menu
- press ENTER to confirm a menu
- press OFF to turn off the unit
- press ON to turn the unit on
SERVICE
ENTER HEATING
SURFACE
AIR
EXCHANGE
DEFROST
TEMP.
CONTROL
RESPONSE
”USER”
INLET
CONTROL
RESPONSE
”FAST”
ROOM
CONTROL
ENTER RESPONSE
NORMAL
N-ZONE
0.5°C
RESTART
OFF
PRESET
OFF
ENTER RESPONSE
”NORMAL”
RESPONSE
”SLOW”
ENTER RESPONSE
USER
GAIN
6.0°/°
INTERGRAL
6m
N-ZONE
0.5°C
N-ZONE is the chosen
neutral zone between
heating and cooling
mode, when you choose
AUTO in the main menu.
MANUAL
OFF
N-ZONE = 0.5:
This setting activates the adjustment at
0.25 ˚C above and below the desired room
temperature in heating and cooling mode ,
respectively.
If the N-ZONE is set to 2.0, the adjustment
is activated at 1˚C above and below the
desired room temperature.
Rum control parametres
:
Response
Gain
Integral
Slow
4.0
12
Normal
6.0
6
Fast
8.0
4
User
6.0
6
Figure 12: "Room control" menu
All rights reserved
Page 18 of 24
Restart
The Restart menu is used to set the unit for automatic restart in the event of a high/low pressure
fault.

The "HP/LP" setting in the Restart menu must not be used for normal operation.
Use of the CTS600 panel:
- press ESC to go one step back in the menu
- press qpto move up or down in a menu or to adjust an
activated menu
- press ENTER to activate a menu
- press ENTER to confirm a menu
- press OFF to turn off the unit
- press ON to turn the unit on
SERVICE
ENTER HEATING
SURFACE
AIR
EXCHANGE
DEFROST
TEMP.
CONTROL
INLET
CONTROL
ROOM
CONTROL
RESTART
OFF
RESTART
”HP/LP”
ENTER RESTART
OFF
PRESET
OFF
This function may not be
used under normal
conditions. (the function
indicates that the unit
should restart automatcally
when high-pressure/lowpressure alarms occur.)
Indicates that the unit
should not restart
automatically when highpressure/low-pressure
alarms occur.
MANUAL
OFF
Figure 13: "Restart" menu
All rights reserved
Page 19 of 24
Reset
The Reset menu is used to restore the factory settings for the unit.
Use of the CTS600 panel:
- press ESC to go one step back in the menu
- press qpto move up or down in a menu or to adjust an
activated menu
- press ENTER to activate a menu
- press ENTER to confirm a menu
- press OFF to turn off the unit
- press ON to turn the unit on
SERVICE
ENTER HEATING
SURFACE
AIR
EXCHANGE
DEFROST
When ”standard” is
chosen all factory
settings are reset. An
eventual supplementary
heating surface must be
re-activated.
TEMP.
CONTROL
INLET
CONTROL
A heating surface is NOT
frost-protected until it is
correctly installed and
activated in the service
menu.
ROOM
CONTROL
RESTART
OFF
PRESET
OFF
PRESET
”STANDARD”
ENTER PRESET
”OFF”
MANUAL
OFF
Figure 14: "Reset" menu
All rights reserved
Page 20 of 24
Manual
The Manual menu is used for performing a manual test of the unit's functions.
Use of the CTS600 panel:
- press ESC to go one step back in the menu
- press qpto move up or down in a menu or to adjust an
activated menu
- press ENTER to activate a menu
- press ENTER to confirm a menu
- press OFF to turn off the unit
- press ON to turn the unit on
SERVICE
tt
ENTER HEATING
SURFACE
AIR
EXCHANGE
DEFROST
MANUAL
VEN+HEAT
TEMP.
CONTROL
MANUAL
VENT+CPR
INLET
CONTROL
MANUAL
EXHAUST
ROOM
CONTROL
MANUAL
INLET
RESTART
OFF
MANUAL
FLAPS
Manual test of ventilation
& heat. Under test there
are 50% signal to the
heating surface
Manual test of ventilation
& compressor
Manual test of exhaust
Manual test of inlet
Manual test of flaps
PRESET
OFF
MANUAL
OFF
MANUAL
DEFROST
ENTER MANUAL
”OFF”
Manual test of the
defrost function.
Manual test de-activated
(normal working)
Figure 15: "Manual" menu
All rights reserved
Page 21 of 24
Guide to unit dimensions
The unit dimensions are shown on a left model (supply air on the left side, seen from the front).
The dimensions are reversed for a right model.
Feedthrough for water
heatingelement
Air Inlet
Fresh Air
Air Exhaust
Air Dischange
Condencation drain
(20 MM)
Recommended service distance
Recommended service distance
Figure 16: Guide to unit dimensions
VPM 120
VPM 240
VPM 360
A
1,975
2,155
2,255
W
675
750
940
VPM 120
VPM 240
VPM 360
K
52
52
52
L
516
565
565
VPM 120
VPM 240
VPM 360
Weight excluding
packaging
[kg]
250
350
450
All rights reserved
C
D
990 1,000
1,240 1,200
1,400 1,200
M
675
750
900
N
2,976
3,260
3,360
Insurance
[A]
3x13
3x16
3x16
F
110
110
110
G
Ø315
Ø400
Ø500
H
264
326
366
I
424
549
629
J
302
365
405
O
500
750
900
P
1,975
2,155
2,255
Q
76
80
125
R
591
719
789
S
312
428
511
Mains electricity supply
[V(AC)]
3x400
3x400
3x400
Page 22 of 24
Accessories/spare parts
VPM 120
Filter class
F5 (Standard in exhaust)
F7 (Standard in inlet)
Name
HI-FLO 490 x 392 – 4 x 380 – 40
HI-FLO 490 x 392 – 8 x 380 – 85
Quantity
1
1
Nilan item number
3948
3949
VPM 240
Filter class
F5 (Standard in exhaust)
F7 (Standard in inlet)
Name
HI-FLO 592 x 490 – 6 x 380 – 40
HI-FLO 592 x 490 – 12 x 380 – 85
Quantity
1
1
Nilan item number
3950
3951
Name
HI-FLO G3BG – 4050 – 380
HI-FLO G3CG – 4050 – 380
HI-FLO G3UFG 85/56 – 38
HI-FLO G3UFG 85/36 – 38
Quantity
1
1
1
1
Nilan item number
3944
3945
3946
3947
VPM 480
Filter class
F5 (Standard in exhaust)
F7 (Standard in inlet)
Name
HI-FLO G3BG – 4050 – 380
HI-FLO G3UFG 85/56 – 38
Quantity
2
2
Nilan item number
3944
3946
VPM 560
Filter class
F5 (Standard in exhaust)
F7 (Standard in inlet)
Name
HI-FLO G3BG – 4050 – 380
HI-FLO G3UFG 85/56 – 38
Quantity
2
2
Nilan item number
3944
3946
Quantity
1
1
1
1
1
Nilan item number
76792
76794
76796
76797
76797
Output
4.9 kW
7.0 kW
14 kW
14 kW
14 kW
Quantity
1
1
1
1
1
Nilan item number
76131
76141
76151
76161
76161
Name
Quantity
1
1
1
Nilan item number
780521
781021
781521
Quantity
4
4
4
4
4
Nilan item number
3045
3046
3046
3046
3046
VPM 360
Filter class
F5 (Standard in exhaust)
F7 (Standard in inlet)
Water heating element + regulator (internal)
Unit
VPM 120
VPM 240
VPM 360
VPM 480
VPM 560
Electric heating element (internal)
Unit
VPM 120
VPM 240
VPM 360
VPM 480
VPM 560
Cover for outdoor installation
Unit
VPM 120
VPM 240
VPM 360
Vibration absorbers
Unit
VPM 120
VPM 240
VPM 360
VPM 480
VPM 560
All rights reserved
Cover for outdoor installation
Name
Sylomer (Green)
Sylomer (Brown)
Sylomer (Brown)
Sylomer (Brown)
Sylomer (Brown)
Page 23 of 24
Heating cable for condensation outlet (frost protection)
Unit
Name
VPM 120
VPM 240
VPM 360
Heating cable (state length when ordering)
VPM 480
VPM 560
Non-return damper
Unit
VPM 120
VPM 240
VPM 360
All rights reserved
Name
DTBU315
DTBU400
DTBU500
Voltage
230V (AC)
Nilan item number
2172
Nilan item number
8432
8433
8434
Page 24 of 24