20
— In TrueIAQ, this is setup function 25
• Because the humidier control is separate from the HVAC system control (thermostat) in this situation, it is
necessary to power monitor and enforce the system fan from TrueSTEAM.
• On TrueSTEAM, set DIP-4 down.
• Disconnect thermostat G from HVAC system G
• Wire TrueSTEAM
• R and C to HVAC system R and C.
• Gf to HVAC system G
• Gt to Thermostat G
• HUM-HUM to TrueIAQ HUM-HUM
• 24V-24V to TrueIAQ R and C
• Wire TrueIAQ
• R and C to HVAC system R and C.
• HUM-HUM to TrueSTEAM HUM-HUM
Wiring TrueSTEAM with TrueIAQ
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