Service manual

78
WIRING DIAGRAMS
HIGH VOLTAGE!
DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS
UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO
DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
PHD48, PHB60
VT VIOLET GN GREEN
RD RED
HI VOLTAGE HI VOLTAGE FIELD
FAN
COMP
OD
FA N
FAN
MOTOR
CIRCULATION
(ACB)
FOR PROPER OPERATION ON 208 VOLT THE FOLLOWING CHANGE MUST BE MADE: MOVE RD6 WIRE FROM TRANSFORMER
VT
COMMON
FAN
SOLENOID
PIN 1 PIN 2 PIN 3 PIN 4 PIN 5 PIN 6 PIN 7 PIN 8 PIN 9
TEST
HEATCRAFT
RD-13
RD-13
F
A
N
FAN
CAPACITOR
DIAGNOSTICS OPERATION BOARD
FLASHING FLASHING
24V
RD-27
VT-14
VT
VT-20
RD -10
DIAGNOSTICS
RD-27
VT
VT
VT
(-)
A B
A B
VT-14
RD-31
INTERFACE
CIRCULATION
(ACB)
(-)
OPTIONAL