Instructions / Assembly

Wiring and Schematic Diagrams
25
COMM
24V
IGN
TH
G Y- 3
Y-1
R - 1
B L - 1
ON
OFF
TRANSFORMER
BLACK
WHITE
SWITCH
THERMOSTAT
AND
LIMIT
1 2 0 V
L 1 L 2
IGNITION
CONTROL
GAS VALVE
BR-2
MV
MV / PV
PV
GND
24
PILOT
ELECTRODE ASS'Y.
ANY REPLACEMENT WIRE
MUST BE RATED FOR 250° C.
DAMPER
MOTOR
CONNECTION DIAGRAM SCHEMATIC
L1 L2
NORMAL OPERATION SEQUENCE
INDICATED BY BOXED NUMERALS
120 V
24 V
DAMPER
DRIVE
2
1
4
THERM.
MGV
PGV
3
MV
MV/PV
GND
24
PV
GND
LIMIT
IGNITION
CONTROL
IGN.
3
COMM
24V
IGN
TH
GY-3
GY-2
GND
R-1
Y-2
BR-1
W-1
POWER
THERMOSTAT
IGNITION
PILOT VALVE
ECO
MAIN VALVE
Y-3
GRAY
BR-4
BR-3
BR-4
BR-3
R-3
BL-2
BL-5
R-3
POWER LED
IGNITION LED
THERMOSTAT LED
MAIN VALVE LED
ECO LED
PILOT VALVE LED
W-2
TH
TR
D
D
LED
INDICATORS
BR-1
GY-1
GY-1
BR-3
BL-5
BL-4
BR-3
Figure 13. — Diagrams for units supplied with Robertshaw 7000 DERHC-S7C or 7000BDER-S7C Gas Valve and Honeywell S8600M Ignition Control.
CAUTION! Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dan-
gerous operation. VERIFY PROPER OPERATION AFTER SERVICING!
!
NOTE: If any of the original wire as supplied with this appliance must be replaced, it MUST be replaced
with 18 GA., 600V, 105°C wire or its equivalent, unless otherwise noted.