25
5 SERIES 502W12 INSTALLATION MANUAL
Operating Parameters
Heating Mode
Entering Load Temp
(°F)
Entering Source Temp
(°F)
Suction Pressure
(psig)
Discharge Pressure
(psig)
Superheat
(°F)
Subcooling
(°F)
60
30
10-20
60-75
8-10
6-10
50
20-30
65-80
9-11
8-12
70
30-40
70-85
10-14
10-14
90
40-50
75-90
22-27
13-17
80
30
10-20
100-115
9-11
8-12
50
20-30
107-122
10-12
11-15
70
30-40
115-130
10-14
12-16
90
40-50
120-135
12-18
13-17
100
30
10-20
140-155
9-11
9-13
50
20-30
148-163
9-11
11-15
70
35-50
155-170
8-12
12-16
90
45-70
160-180
7-13
13-17
120
30
10-20
180-195
9-12
9-13
50
20-35
185-205
9-12
11-15
70
30-50
195-215
8-12
13-17
90
50-75
205-225
8-14
14-18
140
30
10-25
218-238
10-12
9-13
50
15-35
225-250
9-11
11-15
70
30-50
235-262
7-11
13-17
90
55-80
245-275
6-12
14-18
NOTE:
Operating data based on normal conditions with 25 gpm for the load and source.
2/14/12
Cooling Mode
Entering Load Temp
(°F)
Entering Source Temp
(°F)
Suction Pressure
(psig)
Discharge Pressure
(psig)
Superheat
(°F)
Subcooling
(°F)
50
30
15-25
28-50
18-26
9-13
50
20-35
50-70
10-14
9-13
70
20-35
86-106
7-11
10-14
90
20-40
125-145
6-10
11-15
110
20-40
155-185
5-9
15-19
70
30
15-25
28-50
25-35
9-13
50
25-35
50-70
17-23
9-13
70
30-40
90-110
10-14
11-15
90
35-50
130-150
9-13
12-18
110
35-55
165-195
8-12
16-22
90
30
10-35
28-50
30-50
10-14
50
25-40
50-75
20-35
10-14
70
35-50
90-120
10-25
11-16
90
45-60
130-160
10-18
14-20
110
50-70
175-205
10-16
17-23
110
30
15-35
30-50
50-70
10-14
50
30-45
55-75
40-65
10-14
70
40-60
95-125
25-50
12-19
90
50-80
140-170
15-40
16-23
110
65-90
180-220
10-25
20-26
NOTE:
Operating data based on normal conditions with 25 gpm for the load and source.
2/14/12
Load and Source Pressure Drop
Model
gpm
Pressure Drop (psi)
30°F
50°F
70°F
90°F
110°F
084
15
1.6
1.5
1.4
1.2
1.2
20
2.5
2.4
2.2
1.9
1.9
25
3.4
3.2
3.1
2.6
2.6
2/14/12
Summary of Contents for 502W12
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