Roberts Gorden CORAYVAC Installation Manual page 37

COMPLETE™ Modulating Central and Satellite Control Wiring (Unitary Burners) (continued)
TERMINAL BLOCK 1
N1/Gnd
SPARE
SPARE
RELAY 1
RELAY 2
RELAY 3
RELAY 4
TRANSFORMER
24Vac
SECTION 4: T
L
BLK
120V 60HZ
N
1O 20A
WHT
GND
GRN
ZONE 1
L L
N N
G G
LOW VOLTAGE LOW VOLTAGE
THERMOSTAT THERMOSTAT
BURNER BURNER
TO ADDITIONAL
ZONE 2
L L
N N
G G
LOW VOLTAGE LOW VOLTAGE
THERMOSTAT THERMOSTAT
BURNER BURNER
TO ADDITIONAL
120VAC 60HZ
5A
ZONE 3
R R
L N G
W W
+ +
ANALOG IN
- -
+ +
FIRE OUT
- -
CTH3
TO ADDITIONAL
120VAC 60HZ
5A
ZONE 4
R R
L N G
W W
+ +
ANALOG IN
- -
+ +
FIRE OUT
- -
CTH3
TO ADDITIONAL
W D
YPICAL IRING IAGRAMS
BURNERS
BURNERS
120VAC 60HZ
5A
L N G
FIRE IN
FIRE OUT
CTH3
BURNERS
120VAC 60HZ
5A
L N G
FIRE IN
FIRE OUT
CTH3
BURNERS
33