11
Fig. 8 — 42WKN Unit 4-Pipe System with Hot Water Coil and
Microprocessor Control Wiring Diagram, Size 08 and 12
a42-4332
AL
—
Alarm Relay
AWG —
American Wire Gage
BAT —
Battery
CPM —
Condensate Pump
CPU —
Central Processing Unit
CW
—
Chilled Water
HTR
—
Heat Relay
HW
—
Hot Water
PCB
—
Printed Circuit Board
Factory-Installed
Field-Installed
Terminal Block
Component Terminal
Connected Path
1
LEGEND