Start-Up
WSHP-SVX13C-EN
55
Table 48. Operating pressures in cooling/heating - VSH
Model No.
Cooling
Heating
Entering
Water
Temp
(°F)
Water
Flow
(GPM)
Suction
Pressure,
PSIG
Discharge
Pressure
(PSIG)
Water
Temp Rise
(°F)
Air Temp
Drop
°F (DB)
Suction
Pressure
(PSIG)
Discharge
Pressure
(PSIG)
Water
Temp
Drop (°F)
Air Temp
Rise
(°F DB)
VSH024
35
5.0
—
—
—
—
84-97
252-321
5-7
15-24
35
6.2
—
—
—
—
84-97
253-321
4-6
15-24
45
5.0
125-144
166-212
12-15
19-25
98-113
266-338
7-8
19-26
45
6.2
125-144
161-204
10-12
19-25
99-114
267-340
5-7
18-28
55
5.0
127-146
189-241
12-15
18-24
116-134
281-358
8-10
21-31
55
6.2
127-146
183-233
9-12
18-24
118-136
282-359
6-8
22-31
65
5.0
131-151
216-275
11-14
18-24
130-149
291-370
9-11
24-34
65
6.2
131-151
210-267
9-12
18-24
132-152
294-374
7-9
25-35
75
5.0
133-153
250-318
11-14
18-24
150-173
309-394
10-13
28-38
75
6.2
133-153
243-309
9-11
18-24
154-177
311-396
8-10
28-39
85
5.0
136-157
287-365
11-14
17-23
173-199
327-416
11-14
31-42
85
6.2
136-156
279-355
9-11
17-23
178-205
331-422
9-12
32-43
95
5.0
138-159
327-416
11-13
17-23
—
—
—
—
95
6.2
138-159
319-406
9-11
17-23
—
—
—
—
VSH033
35
6.9
—
—
—
—
80-92
259-330
5-7
16-24
35
8.6
—
—
—
—
80-93
259-330
4-5
16-25
45
6.9
124-142
172-219
11-15
19-25
96-110
271-345
6-8
20-27
45
8.6
123-142
166-211
9-12
19-25
97-111
272-346
5-6
19-28
55
6.9
124-142
194-247
11-15
19-24
114-131
287-365
7-9
22-31
55
8.6
124-142
188-239
9-12
19-24
115-133
289-368
6-7
22-32
65
6.9
125-144
221-281
11-14
18-24
126-145
302-384
8-10
25-35
65
8.6
125-144
214-273
9-12
18-24
128-148
304-386
7-9
25-35
75
6.9
127-146
255-324
11-14
18-24
147-169
321-408
9-12
28-39
75
8.6
127-146
248-315
9-11
18-24
150-173
323-411
8-10
29-39
85
6.9
129-148
292-371
11-14
17-23
169-195
342-436
11-13
32-43
85
8.6
128-148
284-362
9-11
17-23
174-200
345-439
9-11
33-44
95
6.9
131-150
332-423
11-13
17-23
—
—
—
—
95
8.6
130-150
325-413
9-11
17-23
—
—
—
—
VSH042
35
8.4
—
—
—
—
81-93
249-317
6-7
15-23
35
10.5
—
—
—
—
82-95
251-319
5-6
14-24
45
8.4
109-125
160-203
12-15
17-23
96-111
259-329
7-9
18-26
45
10.5
109-125
154-196
10-12
17-23
98-113
261-333
5-7
18-27
55
8.4
126-145
185-236
12-15
17-23
112-129
271-345
8-10
20-30
55
10.5
126-145
179-228
9-12
17-23
115-132
272-347
6-8
21-30
65
8.4
133-153
215-273
11-15
18-24
130-150
282-359
9-11
23-33
65
10.5
133-153
208-264
9-12
18-24
133-154
285-363
7-9
24-34
75
8.4
134-155
248-315
11-14
18-24
151-174
298-379
10-13
26-36
75
10.5
134-154
240-306
9-11
18-24
156-179
302-384
8-11
27-37
85
8.4
137-158
283-361
11-14
17-23
175-201
316-402
11-14
29-40
85
10.5
137-158
276-351
9-11
17-23
180-208
320-407
9-12
30-41
95
8.4
139-160
323-411
11-13
16-22
—
—
—
—
95
10.5
139-160
316-402
8-11
17-23
—
—
—
—
VSH050
35
10.2
—
—
—
—
80-92
255-324
6-7
16-25
35
12.7
—
—
—
—
81-94
256-326
5-6
16-26
45
10.2
126-145
164-208
12-15
15-21
94-108
265-337
7-9
20-27
continued on next page