Roberts Gorden COMBAT CTU 22 TO 115 - Manual (Page 26)

COMBAT ® CTU U NIT H EATERS I NSTALLATION O PERATION AND S ERVICE M ANUAL
20
10.7 CTUB/C Wiring Diagram (Models 75-115)
S 4563 C Honeywell
MEDIUM BLUE
L
N
E
A
B
4 5 6
7
8 9
COMBUSTION F
AN
BROWN RED
NC\P(2)
Pressure Switch
Detail
NO\P(3)
C \P(1)
BLACK
YELLOW
WHITE
PRESSURE SWITCH
BLUE PINK GREY PURPLE
LOCKOUT
RUN
GREEN/YELLOW
BLACK WHITE YELLOW
GREEN/YELLOW
BROWN
BLUE
BROWN
BLUE
MAINS FIL
TER
BLACK
SENSE
IGNITION
BLACK
BROWN
BLUE
SITE WIRING
N L 1 2 3 7 8
REMOTE LOCKOUT
RESET
REMOTE LOCKOUT
INDICA
TION
THERMOST
AT
REMOTE F
AN ON
LINE NEUTRAL GROUND
230 V
1 Ø
50 Hz
CENTRIFUGAL FAN 1
CENTRIFUGAL FAN 2
MEDIUM BLUE
LOW RED
RELAY
GREEN/YELLOW
WHITE N
HIGH BLACK
LOW RED
HIGH BLACK
WHITE N
GREEN/YELLOW
MEDIUM BLUE
LOW RED
GREEN/YELLOW
WHITE N
HIGH BLACK
CENTRIFUGAL FAN 3
models 100-115 only
Thermostat Limit
Thermodisc N/C
BROWN
Time Delay Relay
BLUE
BROWN BROWN
LOCKOUT
RESET
NOTE:
Unused speed setting wires for the
centrifugal fan must be isolated and
insulated. If any of the original wire
supplied with the heater must be
replaced, it must be replaced with
wiring material having a temperature
rating of at least 105° C and 600 volts.