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Table 2a. Q4SA Heating Charging Charts
Heat Pump in Heating
* Note: All pressures are listed in
psig. and all temperatures in deg. F.
— Shaded Boxes indicate flooded conditions
— Rated Design Values. Suction Pressure will be lower than design value if indoor air
flow, entering dry bulb, or entering wet bulb temperatures are lower than design.
— Discharge temperatures greater than charted values indicates a refrigerant
undercharge.
Q4SA-060
OUTDOOR TEMPERATURE (° F)
0 102030405060
Suc.
Press.
Disch.
Press.
Disch.
Temp.
Suc.
Press.
Disch.
Press.
Disch.
Temp.
Suc.
Press.
Disch.
Press.
Disch.
Temp.
Suc.
Press.
Disch.
Press.
Disch.
Temp.
Suc.
Press.
Disch.
Press.
Disch.
Temp.
Suc.
Press.
Disch.
Press.
Disch.
Temp.
Suc.
Press.
Disch.
Press.
Disch.
Temp.
12
122 126
19
139 127
26
156 127
33
172 128
41
179 135
51
199 148
61 220 161
13
129 124
20
145 125
27
160 125
34
176 126
42
186 132
52
206 143
62 227 155
14
136 122
21
151 123
28
165 123
35
180 124
43
193 129
53 213 139 63 234 149
15
143 120
22
156 121
29
170 121
36
183 122
44 200 126 54 220 134 64 241 143
16
150 118
23
162 119
30
175 119
37
187 120
45
207 123
55 227 130 65 248 136
17
157 116
24
168 117
31
179 117
38
191 118
46
214 120
56
234 125
66 255 130
18
164 114
25
174 115
32
184 115
39
194 116
47
221 118
57
241 121
67 262 124