48
RJ SERIES INSTALLATION MANUAL
SECOND STAGE OPERATION
FIRST STAGE OPERATION
Dual Capacity Models
Suction
Pressure PSIG
Discharge
Pressure PSIG
Superheat
Subcooling
Water Temp
Rise °F
Air Temp Drop
°F DB
1.5
125-140
205-225
12-20
8-14
17-21
17-23
3.0
120-135
190-210
12-20
8-14
8-12
17-23
1.5
135-145
280-290
10-16
8-14
16-20
17-23
3.0
133-143
250-260
10-16
8-14
9-13
17-23
1.5
142-152
345-355
8-12
8-14
14-20
17-23
3.0
140-150
330-340
8-12
8-14
8-12
17-23
Suction
Pressure PSIG
Discharge
Pressure PSIG
Superheat
Subcooling
Water Temp
Drop °F
Air Temp Rise
°F DB
1.5
76-84
280-295
8-12
3-10
5-9
12-16
3.0
80-88
285-300
8-12
3-10
3-7
14-18
1.5
100-115
310-330
10-14
3-10
7-11
18-22
3.0
105-120
315-335
10-14
3-10
5-9
20-24
1.5
135-150
325-350
12-16
3-10
8-12
24-28
3.0
140-155
330-355
12-16
3-10
6-10
22-30
Entering Water
Temp °F
Water Flow
GPM/Ton
Cooling -- No Hot Water Generator
50
70
90
Entering Water
Temp °F
Water Flow
GPM/Ton
Heating -- No Hot Water Generator
30
50
70
Note: Cooling performance based on entering air temperatures of 80º F DB, 67º F WB.
Heating performance based on entering air temperature of 70º F DB.
Suction
Pressure PSIG
Discharge
Pressure PSIG
Superheat
Subcooling
Water Temp
Rise °F
Air Temp Drop
°F DB
1.5
130-140
215-235
12-20
8-14
16-22
17-23
3.0
128-138
190-210
12-20
8-14
8-12
17-23
1.5
138-148
280-310
10-16
10-16
15-21
17-23
3.0
136-146
250-280
10-16
8-14
7-13
17-23
1.5
145-155
350-380
9-14
10-16
14-20
17-23
3.0
143-153
320-350
9-14
8-14
6-10
17-23
Suction
Pressure PSIG
Discharge
Pressure PSIG
Superheat
Subcooling
Water Temp
Drop °F
Air Temp Rise
°F DB
1.5
73-85
270-305
8-14
3-10
6-10
15-21
3.0
77-90
280-315
8-14
3-10
4-8
17-23
1.5
97-110
290-325
10-16
3-10
9-13
22-28
3.0
102-115
300-335
10-16
3-10
7-11
24-30
1.5
130-145
320-355
13-19
3-10
10-14
30-36
3.0
135-150
325-360
13-19
3-10
8-12
32-38
Entering Water
Temp °F
Water Flow
GPM/Ton
Cooling -- No Hot Water Generator
50
70
90
Entering Water
Temp °F
Water Flow
GPM/Ton
Heating -- No Hot Water Generator
30
50
70
Operating Parameters cont.
