Control signals for models with timer, 1 connection of thermostat, 2 connection to stages for control – Hired-Hand Electro Mechanical Controls (Relay-Switches): PT Controller User Manual
Page 7
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
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