Bard T**H User Manual download pdf (Page 12)

Manual 2100-450L

Page 12 of 14

A call for 1st stage cooling or heating cycles the

compressor, and the dampers reposition to the

Potentiometer #2 setpoint. A call for 2nd stage

cooling or heating energizes compressor solenoid

FIGURE 6

CALL FOR COMPRESSOR OR FAN ONLY

WITH VENTILATION OFF

and repositions the damper blade to the Potentiometer

#3 position. On loss of blower operation, CRV closes

fully. See Figure 6.

Return Air

Supply Air

Coil

Condenser

Coil

Damper Blade

Evaporator

Condenser Air

Direction

MIS-2031 A

1 2 ... 7 8 9 10 11 12 13 14

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Bard T**H User Manual Page 12