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LEGEND
AL
— Alarm Relay
AWG
— American Wire Gage
CPM
— Condensate Pump
CW
— Chilled Water
VM
— Vane Motor
Fig. 28 — 42WKN Unit 2-Pipe Cooling or Heating Only with Electro-Mechanical Control Wiring Diagram,
Factory-Installed
Field-Installed
1
Terminal Block
Component Terminal
Connected Path
Sizes 33 and 36
NOTE: Fan is wired to medium speed as a default. To change the default
fan speed, adjust wiring in the field. Factory-provided electro-mechanical
thermostats are for single speed fan operation only.
24
A42-4324
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