HAI OMNISTAT RC-112, Руководство по установке, Страница: 16 / 16

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SYMPTOM ACTION TO TAKE
1. Heat Pump is not able to meet load due to cold weather Aux Heat On Too Often
2. Thermostat is in EM Heat mode – Set thermostat to Heat or
Auto mode
In EM Heat mode, the auxiliary heat is turned on.
SYMPTOM ACTION TO TAKE
Heat Pump Heats In Cool
Mode & Cools In Heat Mode 1. Reversing valve is connected to wrong terminal - move
wire from B to O or from O to B
The wires connecting the reversing valve may be reversed - (See Note 2 - Page 4)
SYMPTOM ACTION TO TAKE
No Auxiliary OR Emergency
Heat 1. See if heat pump is equipped with outdoor thermostat. If so,
disconnect it.
Heat pump may be equipped with an outdoor thermostat which is overriding Aux Heat when
outdoor temperature is above certain level - Disconnect the outdoor thermostat, the RC-112
controls the Aux Heat automatically