Robertshaw 300-224 Installation And Programming Instructions page 39

Deluxe programmable thermostats
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TWO TRANSFORMER SYSTEM
If the fault indic.ator is ON the transformers are out of phase. Switch the secondary wires of one
of the transformers (NOT BOTHy and ensure the red light goes OFF.
Separate RH and RC Wires
Equipm0r11.
TratISIO.N3r8
39

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300-226300-225300-227300-229300-230

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