Honeywell RM7895C Installation Instructions

RM7895A,B,C,D/EC7895A,C; RM7896A,B,C,D 7800 SERIES RELAY MODULES
5 66-1090—06
Fig. 3. Wiring subbase and sequence chart for RM7895C,D/EC7895C; RM7896C,D.
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)
10 SEC. INTERRUPTED
PILOT/IGNITION
FOR DIRECT SPARK IGNITION
(OIL OR GAS)
DELAYED
(2ND STAGE)
MAIN VALVE
LINE VOLTAGE
ALARM
L1
(HOT)
L2
1
8
9
10
IGNITION
TRANSFORMER
MAIN VALVE
Q7800
2
L2
4
LOCKOUT INTERLOCK
(INCLUDING
AIRFLOW SWITCH).
FLAME DETECTOR
4
3
RM7895, RM7896: 120 VAC , 50/60 HZ; EC7895: 220-240 VAC, 50/60 HZ
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
DO NOT CONNECT ANY WIRES TO UNUSED TERMINALS.
FOR EC7895, A 220 TO 240 VAC TO 120 VAC, 10 VA MINIMUM STEPDOWN
TRANSFORMER (NOT PROVIDED) MUST BE USED TO DRIVE THE SHUTTER.
SEE FLAME DETECTOR SPECIFICATIONS FOR CORRECT WIRING.
1
2
IGN.
AIRFLOW SW. CHECK
OPERATING
CONTROLS
AND
INTERLOCKS
INITIATE
ALARM ALARM
STANDBY
POWER POWER
PILOT
FLAME
MAIN
TIMED
PURGE
ALARM
POWER
PILOT
FLAME
MAIN
ALARM
POWER
PILOT
FLAME
MAIN
RUN
STANDBY
BURNER
START
MAIN VALVE
LIMITS AND BURNER CONTROLLER CLOSED
10 SEC. IGN./ PILOT
SAFE START CHECK
FLAME PROVING
SSC
LED
DISPLAY
POWER
PILOT
FLAME
MAIN
PFEP
4 OR 10 SEC
POWER
START
POWERPOWER
FLAME
SIGNAL
AIRFLOW SWITCH CHECK FEATURE IS FOR THE RM7895D, RM7896D.
RM7896C,D ONLY.
00 00 00
10
L1
TO
6
9
8
4
BURNER/BLOWER MOTOR
LOCKOUT INTERLOCK CLOSED AFSC
TO
7
6
3
4
5
6
7
8
POST PURGE
15SEC
POWER
6
6
5
MFEP
21
2ND STAGE MAIN
7
8
RM7895C1020, RM7896C1036 PFEP 10 SECONDS ONLY;
RM7895C1053 PFEP 4 SECONDS ONLY, 3 SECONDS ONLY SOFTWARE
REVISION 4151.
RM7895C1020, RM7896C1036: DURING FIRST 8 SECONDS OF PFEP,
WHEN A FLAME SIGNAL IS DETECTED, TERMINAL 10 IS DE-ENERGIZED.
IF FLAME SIGNAL IS LOST, TERMINAL 10 WILL RE-ENERGIZE.
M23998

Honeywell RM7895C Specifications

General

Brand	Honeywell
Model	RM7895C
Category	Computer Hardware
Language	English