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ENVISION RESIDENTIAL INSTALLATION MANUAL
Suction
Pressure PSIG
Discharge
Pressure PSIG Su
p
erheat Subcoolin
g
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 Su
p
erheat Subcoolin
g
Water Temp
Dro
p
°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
Tem
p
°F
Water Flow
GPM/Ton
Coolin
g
-- No Desu
p
erheater
50
70
90
Entering Water
Tem
p
°F
Water Flow
GPM/Ton
Heatin
g
-- No Desu
p
erheater
30
50
70
Unit Operating Parameters
Dual Capacity Models
SECOND STAGE OPERATION
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 Desuperheater
50
70
90
Entering Water
Temp °F
Water Flow
GPM/Ton
Heating -- No Desuperheater
30
50
70
FIRST STAGE OPERATION