Wiring Diagrams - Robertshaw RS10421T Installation Manual

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Power supply
Humidifierconnectionport
Thermostat must be set to O and B to match the changeover valve.
O is the cool changeover valve. B is the heat changeover valve.
UMIDIFIER connec on port
The Auxiliary Heat Relay is energized as the second stage of heat.
5
Dehumidifierconnectionport
5
DEHUMIDIFIER connec on port
Typical 2H/2C System: 1 Transformer
5
UMIDIFIER connec on port
DEHUMIDIFIER connec on port
5

WIRING DIAGRAMS

Typical Cool-Only System with Fan
5
5
17
11

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