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ENVISION RESIDENTIAL INSTALLATION MANUAL
Operation Logic Data
OPERATION LOGIC
HEATING COOLING
FAN ON SL1 - IN ON
STG1 STG2 STG3 EMERG STG1 STG2
SINGLE SPEED UNITS
Compressor
On On On Off On On - -
ECM2 Normal
Med High High High Med High Low -
ECM2 Dehumidify
Med High High High 85% Med 85% High Low -
PSC
On On On On On On On -
Rev Valve
Off Off Off Off On On - -
Loop Pump
On On On Off On On - On
DHW Pump
On Off Off Off On On - -
Aux Heater
Off Off Staged Staged Off Off - -
Secondary 1- Out
On On On Off On On - -
Emerg LED
Off Off Off On Off Off Off -
T-Stat Signal
Y1 Y1, Y2 Y1, Y2, W W Y1, O Y1, Y2, O G -
DUAL CAPACITY UNITS
Compressor-Lo
On Off Off Off On Off - -
Compressor-Hi
Off On On Off Off On - -
ECM2 Normal
Med High High High Med High Low -
ECM2 Dehumidify
Med High High High 85% Med 85% High Low -
Rev Valve
Off Off Off Off On On - -
Loop Pumps
On On On Off On On - On
DHW Pump
On On Off Off On On - -
Aux Heater
Off Off Staged Staged Off Off - -
Secondary 1- Out
On On On Off On On - -
Secondary 2- Out
Off On On Off Off On - -
Emerg LED
Off Off Off On Off Off - -
T-Stat Signal
Y1 Y1, Y2 Y1, Y2, W W Y1, O Y1, Y2, O G -