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7800 SERIES EC7895A, RM7895A RELAY MODULE
65-0205
13
Fig. 8. Wiring the EC7895.
M11074
G
L2
3
5
6
7
8
9
10
F
(L1)
13
14
15
16
17
18
19
20
21
22
12
MASTER
SWITCH
IGNITION
MAIN FUEL
VALVE(S)
BURNER
CONTROLLER/LIMITS
BURNER MOTOR
(BLOWER)
INTERMITTENT
PILOT/IGNITION
RECTIFYING FLAME
ROD, RECTIFYING
PHOTOCELL, OR INFRA-
RED (LEAD SULFIDE)
FLAME DETECTOR
C7027A, C7035A, OR
C7044A ULTRAVIOLET
FLAME DETECTOR
C7012F OR
C7076A ULTRAVIOLET
FLAME DETECTOR
200V, 50/60 HZ EC7895 POWER SUPPLY. PROVIDE DISCONNECT
MEANS AND OVERLOAD PROTECTION AS REQUIRED.
DO NOT CONNECT ANY WIRES TO UNUSED TERMINALS.
USE 2:1 STEP DOWN POWER TRANSFORMER, 300 VA MINIMUM
(STANCOR P8620 OR EQUIVALENT).
VERIFY THAT THE OPERATING VOLOTAE OF THE FLAME
DETECTOR IS THE SAME AS THE LINE VOLTAGE.
FOR DIRECT SPARK IGNITION (OIL
OR GAS)
AIRFLOW INTERLOCK
200 VAC ALARM
L1
(HOT)
L2
1
OR
OR
OR
OR
BLUE
BLUE
BLUE
WHITE
YELLOW
YELLOW
YELLOW
WHITE
WHITE
WHITE
WHITE
BLACK
BLACK
BLACK
BLACK
9
8
10
IGNITION
TRANSFORMER
MAIN VALVE
1
Q7800
2
2
3
3
4
4
L2
4
4
C7012A,C ULTRAVIOLET
FLAME DETECTOR
BLUE
C7061A
1:2