Basic Modulation Mode; Cooling Mode (Modulation, Step And Basic) - EcoSmart ES50LVP Installation, Operation And Maintenance Manual

Thermostat is satisfied
• R is disconnected from W
• Heat generator is turned off
• Auxiliary 24VAC power is turned off
• Pump turns off and fan speed ramps down to zero, extracting any remaining heat in the
coil

Basic Modulation Mode

Heating Mode – (ecosmart outdoor sensor not installed)
Thermostat calls for heat
• R is connected to W
• Heat generator is turned on
• Auxiliary 24VAC power is turned on
• Pump turns on at 100%
• After a 15 second delay to allow for system water to heat up coil, fan ramps up to HEAT
CFM speed
Thermostat is satisfied
• R is disconnected from W
• Heat generator is turned off
• Auxiliary 24VAC power is turned off
• Pump turns off and fan speed ramps down to zero, extracting any remaining heat in the
coil

Cooling Mode (Modulation, Step and Basic)

(ecosmart outdoor sensor not installed)
(Assumes a condenser and DX coil is installed within the system)
•
R is connected to Y or Y2*
•
Condenser turns on
•
Fan ramps up to COOL CFM setting
* If thermostat and condenser support 2-stage cooling
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