23
Fig. 27 — 42WKN Unit 2-Pipe Cooling or Heating Only with Electro-Mechanical Control Wiring Diagram,
Sizes 18 and 20
AL
—
Alarm Relay
AWG
—
American Wire Gage
CPM
—
Condensate Pump
CW
—
Chilled Water
VM
—
Vane Motor
Factory-Installed
Field-Installed
Terminal Block
Component Terminal
Connected Path
1
LEGEND
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.
A42-4322