Operating pressures – Comfort-Aire HWW120 User Manual
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Heat Controller, Inc.
WATER-TO-WATER (HWW) SERIES
Installation & Operation
Operating Pressures
TMW036-120 (TMW120 Per Circuit) (60 Hz I-P Units)
Source
Entering
Water
Temp °F
Source
Water
Flow
GPM/ton
Heating
Load EWT
°F @ 1.5-3.0
GPM/ton
Suction
Pressure
PSIG
Discharge
Pressure
PSIG
Super-heat Sub-cooling
Water
Temp
Drop °F
Source
Water
Temp
Rise °F
Load
20
3.0
60
56-63
199-228
4-14
6-14
2-6
5-14
80
58-65
286-297
4-14
6-14
5-14
90
59-66
310-344
4-14
6-14
4-14
100
61-65
360-385
4-14
6-14
4-14
120
64-69
459-510
4-14
6-14
4-13
50
1.5
60
85-95
212-224
6-11
7-11
9-16
6-17
80
91-99
290-310
6-11
7-11
6-17
90
92-101
326-338
6-11
7-11
6-17
100
96-103
381-399
6-11
7-11
5-17
120
100-108
474-488
6-11
7-11
4-16
2.3
60
95-102
215-228
6-13
7-11
6-12
7-18
80
98-106
299-313
6-13
7-11
6-18
90
99-108
329-341
6-13
7-11
6-18
100
102-110
384-401
6-13
7-11
6-17
120
106-114
475-491
6-13
7-11
5-17
3.0
60
95-107
215-256
6-14
7-15
5-9
7-19
80
101-110
310-326
6-14
7-15
7-19
90
103-112
329-376
6-14
7-15
6-19
100
105-114
399-414
6-14
7-15
6-18
120
108-118
476-524
6-14
7-15
5-17
80
1.5
60
109-129
225-237
14-26
5-14
15-21
8-18
80
123-138
314-327
14-26
5-14
8-19
90
130-142
343-357
10-15
5-14
7-19
100
137-147
402-415
10-15
5-14
7-19
120
150-157
493-504
10-15
5-14
6-20
2.3
60
111-132
227-239
14-38
6-15
10-15
8-20
80
135-147
315-330
14-38
6-15
8-20
90
143-152
344-360
10-16
6-15
8-20
100
145-154
405-418
10-16
6-15
7-20
120
156-163
494-507
10-16
6-15
6-20
3.0
60
110-149
227-279
19-44
6-18
7-12
9-21
80
135-150
286-332
19-44
6-18
8-21
90
145-166
345-408
13-23
6-18
8-21
100
148-158
405-420
13-23
6-18
8-21