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ENVISION CONSOLE INSTALLATION MANUAL
Entering
Water Temp
°F
Water Flow
GPM/Ton
Cooling
Suction
Pressure
PSIG
Discharge
Pressure
PSIG
09-18
Superheat
09-18
Subcooling
Water Temp
Rise °F
Air Temp
Drop °F DB
50
1.5 127 - 144 205 - 225 5 - 10 10 - 14 18 - 22 18 - 22
3.0 120 - 140 185 - 205 7 - 15 5 - 10 8 - 10 18 - 22
70
1.5 139 - 154 280 - 300 8 - 11 8 -12 18 - 22 18 - 22
3.0 137 - 152 250 - 270 9 - 12 7 - 11 8 - 10 18 - 22
90
1.5 143 - 158 360 - 380 8 - 11 9 - 13 18 - 22 16 - 20
3.0 141 - 156 330 - 350 9 - 12 8 - 12 8 - 10 16 - 20
Entering
Water Temp
°F
Water Flow
GPM/Ton
Heating
Suction
Pressure
PSIG
Discharge
Pressure
PSIG
09-18
Superheat
09-18
Subcooling
Water
Temp Drop
°F
Air Temp
Rise °F DB
30
1.5 73 - 79 279 - 304 7 - 13 2 - 6 7 -10 18 - 24
3.0 79 - 85 285 - 310 8 - 14 2 - 6 3 - 6 20 - 26
50
1.5 103 - 109 308 - 333 8 - 12 4 - 8 8 - 11 20 - 26
3.0 110 - 116 315 - 340 9 - 13 4 - 8 4 - 7 22 - 28
70
1.5 140 - 146 330 - 365 10 - 14 7 - 11 11 - 14 26 - 32
3.0 146 - 153 340 - 375 10 - 14 7 - 11 7 - 10 28 - 34
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.
Operating Limits
(°F) (°C) (°F) (°C)
Air Limits
Min. Ambient Air 45 7.2 45 7.2
Rated Ambient Air 80 26.7 70 21.1
Max. Ambient Air 100 37.8 85 29.4
Min. Entering Air 50 10.0 40 4.4
Rated Entering Air db/wb 80.6/66.2 27/19 68 20.0
Max. Entering Air db/wb 110/83 43/28.3 80 26.7
Water Limits
Min. Entering Water 30 -1.1 20 -6.7
Normal Entering Water 50-110 10-43.3 30-70 -1.1
Max. Entering Water 120 48.9 90 32.2
Notes:
Cooling Heating
Minimum/maximum limits are only for start-up conditions, and are meant for bringing the space up to occupancy
temperature. Units are not designed to operate at the minimum/maximum conditions on a regular basis. The
operating limits are dependant upon three primary factors: 1) water temperature, 2) return air temperature, and 3)
ambient temperature. When any of the factors are at the minimum or maximum levels, the other two factors must be
at the normal level for proper and reliable unit operation.
Unit Operating Limits
Unit Operating Parameters
Single Speed Models