Service manual
CLIMATEMASTER WATER-SOURCE HEAT PUMPS
Vertical Stack
Rev.: 11/09/12
42
ClimateMaster Water-Source Heat Pumps
TRM18 Full Load Cooling TRM18 Full Load Heating
Entering 
Water 
Temp °F
Water 
Flow 
GPM/
Ton
Suction 
Pressure 
PSIG
Discharge 
Pressure 
PSIG
Super-
heat
Sub-
cooling
Water 
Temp 
Drop °F
Air Temp 
Rise °F 
DB
Entering 
Water 
Temp °F
Water 
Flow 
GPM/ton
Suction 
Pressure 
PSIG
Dis-
charge 
Pressure 
PSIG
Super-
heat
Sub-
cooling
Water 
Temp 
Drop °F
Air 
Temp 
Rise °F 
DB
30
1.5
2.25
3
126-136
126-136
126-136
161-181
146-166
131-151
17-22
17-22
17-22
8-13
7-12
6-11
19.8-21.8
14.9-16.9
9.9-11.9
21-27
21-27
21-27
30
1.5
2.25
3
75-85
78-88
81-91
272-292
274-294
276-296
13-18
13-18
13-18
4-9
4-9
4-9
5.9-7.9
4.3-6.3
2.7-4.7
16-22
16-22
17-23
50
1.5
2.25
3
132-142
132-142
132-142
215-235
200-220
185-205
10-15
10-15
10-15
8-13
7-12
6-11
18.8-20.8
14.1-16.1
9.4-11.4
20-26
20-26
20-26
50
1.5
2.25
3
104-114
112-122
120-130
299-319
304-324
308-328
12-17
12-17
12-17
6-11
4-9
3-8
8.8-10.8
6.7-8.7
4.5-6.5
21-27
22-28
23-29
70
1.5
2.25
3
138-148
138-148
137-147
278-298
263-283
248-268
8-13
8-13
8-13
9-14
8-13
7-12
17.7-19.7
13.1-15.1
8.5-10.5
19-25
19-25
19-25
70
1.5
2.25
3
129-139
144-154
159-169
321-341
330-350
340-360
11-16
13-18
15-20
7-12
4-9
3-8
11.2-13.2
8.8-10.8
6.3-8.3
25-31
27-33
28-34
90
1.5
2.25
3
142-152
142-152
142-152
365-385
351-371
337-357
8-13
8-13
8-13
9-14
8-13
7-12
16-18
12-14
8-10
18-24
18-24
18-24
90
1.5
2.25
3
163-173
180-190
198-208
349-369
360-380
372-392
13-18
11-16
10-15
7-12
4-9
3-8
14.3-16.3
11.2-13.2
8.1-10.1
30-36
32-38
34-40
110
1.5
2.25
3
150-160
150-160
150-160
439-459
439-459
439-459
7-12
7-12
7-12
9-14
8-13
7-12
14.2-16.2
10.6-12.6
6.9-8.9
17-23
17-23
17-23
110
1.5
2.25
3
TRM24 Full Load Cooling TRM24 Full Load Heating
Entering 
Water 
Temp °F
Water 
Flow 
GPM/
Ton
Suction 
Pressure 
PSIG
Discharge 
Pressure 
PSIG
Super-
heat
Sub-
cooling
Water 
Temp 
Drop °F
Air Temp 
Rise °F 
DB
Entering 
Water 
Temp °F
Water 
Flow 
GPM/ton
Suction 
Pressure 
PSIG
Discharge 
Pressure 
PSIG
Super-
heat
Sub-
cool-
ing
Water 
Temp 
Drop °F
Air 
Temp 
Rise °F 
DB
30
1.5
2.25
3
126-136
126-136
126-136
161-181
146-166
131-151
17-22
17-22
17-22
8-13
7-12
6-11
19.8-21.8
14.9-16.9
9.9-11.9
21-27
21-27
21-27
30
1.5
2.25
3
75-85
78-88
81-91
272-292
274-294
276-296
13-18
13-18
13-18
4-9
4-9
4-9
5.9-7.9
4.3-6.3
2.7-4.7
16-22
16-22
17-23
50
1.5
2.25
3
132-142
132-142
132-142
215-235
200-220
185-205
10-15
10-15
10-15
8-13
7-12
6-11
18.8-20.8
14.1-16.1
9.4-11.4
20-26
20-26
20-26
50
1.5
2.25
3
104-114
112-122
120-130
299-319
304-324
308-328
12-17
12-17
12-17
6-11
4-9
3-8
8.8-10.8
6.7-8.7
4.5-6.5
21-27
22-28
23-29
70
1.5
2.25
3
138-148
138-148
137-147
278-298
263-283
248-268
8-13
8-13
8-13
9-14
8-13
7-12
17.7-19.7
13.1-15.1
8.5-10.5
19-25
19-25
19-25
70
1.5
2.25
3
129-139
144-154
159-169
321-341
330-350
340-360
11-16
13-18
15-20
7-12
4-9
3-8
11.2-13.2
8.8-10.8
6.3-8.3
25-31
27-33
28-34
90
1.5
2.25
3
142-152
142-152
142-152
365-385
351-371
337-357
8-13
8-13
8-13
9-14
8-13
7-12
16-18
12-14
8-10
18-24
18-24
18-24
90
1.5
2.25
3
163-173
180-190
198-208
349-369
360-380
372-392
13-18
11-16
10-15
7-12
4-9
3-8
14.3-16.3
11.2-13.2
8.1-10.1
30-36
32-38
34-40
110
1.5
2.25
3
150-160
150-160
150-160
439-459
439-459
439-459
7-12
7-12
7-12
9-14
8-13
7-12
14.2-16.2
10.6-12.6
6.9-8.9
17-23
17-23
17-23
110
1.5
2.25
3
TRM30 Full Load Cooling TRM30 Full Load Heating
Entering 
Water 
Temp °F
Water 
Flow 
GPM/
Ton
Suction 
Pressure 
PSIG
Discharge 
Pressure 
PSIG
Super-
heat
Sub-
cooling
Water 
Temp 
Drop °F
Air Temp 
Rise °F 
DB
Entering 
Water 
Temp °F
Water 
Flow 
GPM/
ton
Suction 
Pressure 
PSIG
Discharge 
Pressure 
PSIG
Super-
heat
Sub-
cooling
Water 
Temp 
Drop °F
Air 
Temp 
Rise °F 
DB
30
1.5
2.25
3
126-136
126-136
126-136
161-181
146-166
131-151
17-22
17-22
17-22
8-13
7-12
6-11
19.8-21.8
14.9-16.9
9.9-11.9
21-27
21-27
21-27
30
1.5
2.25
3
75-85
78-88
81-91
272-292
274-294
276-296
13-18
13-18
13-18
4-9
4-9
4-9
5.9-7.9
4.3-6.3
2.7-4.7
16-22
16-22
17-23
50
1.5
2.25
3
132-142
132-142
132-142
215-235
200-220
185-205
10-15
10-15
10-15
8-13
7-12
6-11
18.8-20.8
14.1-16.1
9.4-11.4
20-26
20-26
20-26
50
1.5
2.25
3
104-114
112-122
120-130
299-319
304-324
308-328
12-17
12-17
12-17
6-11
4-9
3-8
8.8-10.8
6.7-8.7
4.5-6.5
21-27
22-28
23-29
70
1.5
2.25
3
138-148
138-148
137-147
278-298
263-283
248-268
8-13
8-13
8-13
9-14
8-13
7-12
17.7-19.7
13.1-15.1
8.5-10.5
19-25
19-25
19-25
70
1.5
2.25
3
129-139
144-154
159-169
321-341
330-350
340-360
11-16
13-18
15-20
7-12
4-9
3-8
11.2-13.2
8.8-10.8
6.3-8.3
25-31
27-33
28-34
90
1.5
2.25
3
142-152
142-152
142-152
365-385
351-371
337-357
8-13
8-13
8-13
9-14
8-13
7-12
16-18
12-14
8-10
18-24
18-24
18-24
90
1.5
2.25
3
163-173
180-190
198-208
349-369
360-380
372-392
13-18
11-16
10-15
7-12
4-9
3-8
14.3-16.3
11.2-13.2
8.1-10.1
30-36
32-38
34-40
110
1.5
2.25
3
150-160
150-160
150-160
439-459
439-459
439-459
7-12
7-12
7-12
9-14
8-13
7-12
14.2-16.2
10.6-12.6
6.9-8.9
17-23
17-23
17-23
110
1.5
2.25
3
Table 10: TRM Series Typical Operating Pressures and Temperatures (60 Hz I-P Units) 
Table Continued on Next Page










