WaterFurnace Envision Hydronic (NSW) - Manual (Page 41)

41
NSW 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
20 52-67 195-227 8-16 5-15
30 67-82 208-235 7-14 6-14
50 95-113 216-245 7-14 6-12
70 124-144 225-255 8-19 5-15
90 143-167 230-275 14-26 8-12
80
20 54-69 283-316 8-16 7-15
30 69-84 293-323 10-12 7-18
50 98-125 302-335 12-14 8-16
70 121-148 311-346 14-18 8-16
90 144-179 319-363 14-26 8-16
100
20 56-71 369-405 8-10 6-14
30 77-85 378-411 10-12 7-15
50 64-126 388-425 12-14 7-15
70 123-152 398-438 14-18 3-12
90 148-191 408-452 14-22 3-12
120
20 59-74 455-495 8-18 4-16
30 74-87 464-500 6-16 5-17
50 106-128 474-515 5-17 5-15
70 125-156 485-530 6-16 4-15
90 Operation not recommended
NOTES: Operating parameters at 3 gpm/ton source and load flow. Consult the Capacity Tables for each NSW model for normal allowable operating
conditions. Some of the conditions shown above are outside of the compressor operational limits for specific models.
Cooling Mode
Entering
Load Temp (°F)
Entering
Source Temp (°F)
Suction
Pressure (psig)
Discharge
Pressure (psig)
Superheat
(°F)
Subcooling
(°F)
50
30 86-99 135-160 12-22 2-15
50 92-107 191-214 10-19 4-15
70 98-115 248-268 5-15 6-16
90 101-119 335-367 6-15 8-16
110 105-122 425-465 8-16 10-19
70
30 89-106 131-163 15-20 3-6
50 103-125 194-223 11-15 6-9
70 118-143 257-273 11-15 9-12
90 125-151 344-381 8-12 12-14
90
30 92-113 128-166 15-20 3-6
50 115-143 197-233 11-15 6-9
70 129-158 266-294 11-15 9-12
90 150-168 354-395 8-12 12-14
110
30 96-121 125-170 55-65 2-20
50 127-161 200-243 41-52 4-18
70 158-200 275-315 21-38 8-19
90 Operation not recommended
NOTES: Operating parameters at 3 gpm/ton source and load flow. Consult the Capacity Tables for each NSW model
for normal allowable operating conditions. Some of the conditions shown above are outside of the compressor
operational limits for specific models.
6/16/09