Heat Pump-Heating Cycle - Whirlpool WHP43 Installation Instructions Manual

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