Heat pump in heating, Table 2. q4sa heating charging charts – Nordyne Q4 Series User Manual
Page 13
13
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.
Table 2. Q4SA Heating Charging Charts
Q4SA-036
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.
17
123
138
22
135
138
27
146
138
32
158
137
41
164
149
54
190
171
67
215
194
18
130
136
23
141
136
28
151
136
33
161
135
42
171
146
55
197
167
68
222
187
19
137
134
24
147
134
29
156
134
34
165
133
43
178
143
56
204
162
69
229
181
20
144
132
25
152
132
30
161
132
35
169
131
44
185
140
57
211
158
70
236
175
21
151
130
26
158
130
31
165
130
36
172
129
45
192
137
58
218
153
71
243
169
22
158
128
27
164
128
32
170
128
37
176
127
46
199
134
59
225
149
72
250
163
23
165
126
28
170
126
33
175
126
38
180
125
47
206
132
60
232
144
73
257
157
Q4SA-048
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.
14
129
134
20
143
135
25
158
135
31
172
136
39
178
141
51
200
152
62
222
162
15
136
132
21
149
133
26
162
133
32
175
134
40
185
138
52
207
147
63
229
156
16
143
130
22
155
131
27
167
131
33
179
132
41
192
136
53
214
143
64
236
150
17
150
128
23
161
129
28
172
129
34
183
130
42
199
133
54
221
138
65
243
144
18
157
126
24
167
127
29
177
127
35
186
128
43
206
130
55
228
134
66
250
137
19
164
124
25
173
125
30
181
125
36
190
126
44
213
127
56
235
129
67
257
131
20
171
122
26
179
123
31
186
123
37
194
124
45
220
124
57
242
125
68
264
125