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Heat Pump-Heating Cycle - Whirlpool WHP43 Installation Instructions Manual

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NOTES:
Do not adjust the charge based on the suction pressure
unless there is a gross undercharge.
Check the Schrader ports for leaks and tighten valve
cores if necessary. Install caps finger tight.
Saturated Suction Pressure Temperature
Suction Pressure
Saturated Suction Temperature ºF
PSIG
R-410A
50
1
52
3
54
4
56
6
58
7
60
8
62
10
64
11
66
13
68
14
70
15
72
16
74
17
76
19
NOTE: Subcooling = Saturated Liquid Temperature - Liquid Line Temperature
Saturated Liquid Pressure Temperature
Liquid Pressure
PSIG
200
210
220
225
235
245
255
265
275
285
295
305
325
355
10
Saturated Liquid Temperature ºF
R-410A
70
73
76
78
80
83
85
88
90
92
95
97
101
108
Heat Pump—Heating Cycle
The proper method of charging a heat pump in the heat mode is
by weight with the additional charge adjustments for line size, line
length and other system components. Make final charge
adjustments in the cooling cycle.
Suction Pressure
Saturated Suction Temperature ºF
PSIG
R-410A
78
20
80
21
85
24
90
26
95
29
100
31
110
36
120
41
130
45
140
49
150
53
160
56
170
60
Liquid Pressure
Saturated Liquid Temperature ºF
PSIG
R-410A
375
112
405
118
415
119
425
121
435
123
445
125
475
130
500
134
525
138
550
142
575
145
600
149
625
152

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