Roberts Gorden CTU 22 TO 115 service manual Site, CTUD Wiring Diagram Models, See Page 23, Section

COMBAT® CTU UNIT HEATERS INSTALLATION OPERATION AND SERVICE MANUAL
10.9 CTUD Wiring Diagram (Models 75-115)
SENSE
BLACK
IGNITION
GREEN/YELLOW
BLACK
S 4563 C Honeywell				Time Delay Relay
				BROWN
				BLUE
			BROWN	BROWN
				Thermostat Limit
BROWN				Thermodisc N/C
BLUE		RUN
	PURPLE GREY PINK	BLUE
COMBUSTIONFAN	GREEN/YELLOW BLUE BROWN BLACK YELLOW WHITE	BROWN BLUE	MAINS FILTER	BROWN	RED
		LOCKOUT
	E
	N
	L

BLACK	PRESSURE SWITCH
NO\P(3)	YELLOW
C \P(1)	WHITE
	LOCKOUT
NC\P(2)
	RESET

Pressure Switch

Detail

NOTE:

For external fan wiring,

See Page 23, Section 10.10.

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.

SITE

WIRING

N	L	1	2	3	7	8
GROUND NEUTRAL	LINE		THERMOSTAT		REMOTE LOCKOUT INDICATION	REMOTE LOCKOUT RESET

230V 1 Ø

50 Hz

22