OUTDOOR HEAT PUMPS SIZING CHARTS
Pool surface area: Sq ft
100
Note: The sizing graphs shown on
this page assume the following UK
conditions:
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
Graph A
PPT70BM
30
86
Example; 512 sq ft pool surface area
and 82OF pool water temperature
requires model PPT12
29
PPT45BM
84
28
82
27
Model PTT8X
PPT12X
PPT16X
PPT22X
PPT30BM
(3 phase only)
80
26
78
25
Pool surface area refers to the
total water area (eg inclusive of
Roman ends / protruding steps /
deck-level drains).
May - September Season
(approx 22-24 weeks)
88
Pool water temperature OF
• Average depth of water
@1.3metres.
31
Pool water temperature OC
* The entire pool is constructed
in-ground
• Ground water level is below pool
construction.
• Floating heat retention cover is
used 20 hrs per day.
200
32
* PPT8 are single phase only
76
24
74
23
10
20
30
40
50
60
70
80
90
100
110
120
130
140
Pool surface area: Sq.m
For sizing of equipment outside of
these design parameters please
consult the technical design team.
Pool surface area: Sq ft
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
32
88
PPT70BMY
(3 phase only)
84
28
82
27
PPT8Y
PPT12Y
PPT16Y
PPT22Y
PPT45BMY
(3 phase only)
PPT30BMY
(3 phase only)
80
April - October Season
(approx 30-32 weeks)
29
March - November Season
(approx 38-40 weeks)
86
Example; 50 sq.m pool surface area
and 28OC pool water temperature
requires model PPT16Y
Pool water temperature OF
Pool water temperature OC
Roman End surface areas:
6’ = 1.31 sq.m
8’ = 2.33 sq.m
10’ = 3.65 sq.m
12’ = 5.25 sq.m
Graph B
30
26
78
25
76
24
74
23
10
20
30
40
50
60
70
80
90
100
110
120
130
1200
1300
1400
140
Pool surface area: Sq.m
Pool surface area: Sq ft
100
200
300
400
500
600
700
800
900
1000
1100
32
31
PPT90
Graph C
30
Pool water temperature OC
To convert from sq.m to
sq.ft divide by 0.0929.
31
Pool water temperature OF
Conversion Factor
To convert from sq. ft to sq.m
multiply by 0.0929.
88
86
PPT70BMY
(3 phase only)
29
84
28
82
27
PPT8Y
PPT12Y
PPT16Y
PPT22Y
PPT45BMY
(3 phase only)
PPT30BMY
(3 phase only)
80
26
78
25
76
24
74
23
10
20
30
40
50
60
70
80
Pool surface area: Sq.m
brings water to life
90
100
110
120
130
140