18
Fig. 31 —40VMA Series
Tc: Condensing temperature for Heat Pump
Saturation temperature of PS1 at main MDC unit for Heat Recovery
Tcps: Cold Blow Protection is activated at temperature: 50°F, 59°F, 68°F, 75.2°F, 82.4°F (Factory setting: 68°F)
The louver position is only valid for indoor units with louver function.
The Cold Blow function temperature can be adjusted using the wired remote controller.
HEATER CONTROL —
The heater control is conducted as follows:
• Normal Control
While in heating operation, the heater control (ON/OFF) uses the following logic.
Fig. 32 —Heater Control Logic
NOTE: The requirement is invalid while the remote controller receives fast check instruction.
• Fan Previous Operation
To protect the heater, the fan conducts the previous operation for fifteen seconds after it turns off.
• Close Operation
The heater will never open if it was set to close from the remote controller.
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