Name: Source 1 S1-THEH21NS
Brand: Source 1
Rating: 5 (1 reviews)

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Page 7

AUX HEAT

SWITCH

Aux Heat

Normal - Aux Heat is allowed to run, if necessary,

along with the heat pump to satisfy the

heat demand.

Lockout - Aux Heat will never turn on

regardless of the heat demand.

OWNER'S MANUAL

S1-THEH21NS

When the Aux Heat switch is in the Emergency position the compressor will also be

locked out during cooling operation.

Emergency - Disables all compressor

functions* and energizes only Aux

Heat to satisfy the heat demand.

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Source 1 S1-THEH21NS Specifications

General