Instruction Manual

Part No. 4801-5042 Rev 9/99 PT Controller 5
10. Control Signals for Models with Timer
10.1 Connection of Thermostat
10.2 Connection to Stages for Control
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Hot
IN
Thermostat/Control
L1
Power Supply
L2
GND
Hot
IN
UNIT 1 UNIT 2
IN
OUT
IN
OUT
HEAT
STAGE
COOL
STAGE
NOTE: Two types of
thermostats can be used, a
Single Stage or Two Stage