Service manual

ROBERTS-GORDON SECTION 11: WIRING pg 33
Figure 31. 1 Zone/2 to 9 Burner Operation Without Control Panel
1
2
3
4
5
6
COIL
COIL
RC
W
GY
Thermostat
Vacuum
Pump
Motor
Vacuum
Proving
Switch
SPST
Transformer
Relay
Zone 1
Burners
NH
HN
Nine Burners Maximum
120V-60 Hz
Supply Circuit
(Fused)
Black
White
Red
BlackHot
Neutral
Ground
Night Set Back
(Optional)