Heat pump in heating, 14 table 2a. q4sa heating charging charts – Nordyne Q4 Series User Manual
Page 14
14
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
10
20
30
40
50
60
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