Honeywell RM7838C1012 User Manual

RM7838B, RM7838C 7800 SERIES RELAY MODULES
7 32-00211—01
Fig. 4. Wiring subbase for RM7838B,C.
FINAL WIRING CHECK
1. Check the power supply circuit. The voltage and
frequency tolerance must match those of the
RM7838B,C. (A separate power supply circuit may
be required for the RM7838B,C.)
2. Add the required disconnect means and overload
protection.
3. Check all wiring circuits and complete the static
checkout in Table 3 before installing the RM7838B,C
on the subbase.
4. Install the relay module.
5. Restore power to the panel.
M32334
G
L2
3
5
6
7
8
9
10
11
4
(L1)
13
14
17
18
19
20
21
22
12
16
15
LIMITS
MAIN FUEL
VALVE 1
INTERMITTENT/
INTERRUPTED
PILOT/IGNITION
120V, 50/60 HZ POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION (15 AMP TYPE
SC FUSE OR EQUIVALENT FAST BLOW FUSE) AS REQUIRED.
DO NOT CONNECT WIRES TO UNUSED TERMINALS.
SEE FLAME DETECTOR SPECIFICATIONS FOR CORRECT DETECTOR WIRING.
JR-2 CLIPPED INTERRUPTED PILOT
RM7838B - 10 SECOND MFEP
RM7838C - 15 SECOND MFEP.
ALARM SILENCING MAY BE NEEDED FOR RM7838B.
ALTERNATE WIRING FOR 4-20 MA SYSTEM.
LINE VOLTAGE
ALARM
1
HIGH FIRE
COMMON
LOW FIRE
MODULATE
F
_
+
M7284
FIRING RATE
MOTOR
+
4-20 mA
OUTPUT
CONTROLLER
VALVE PROVING
SWITCH
MAIN FUEL
VALVE 2
LOW FIRE
START SWITCH
HIGH PURGE
RATE SWITCH
PREIGNITION
INTERLOCK (POC)
IGNITION
RECIRCULATING
AIRFLOW SWITCH
COMBUSTION
AIR FAN
2
3
4
3
4
2
5
5
_
FLAME DETECTOR
START
SWITCH
COMBUSTION
AIRFLOW
SWITCH
STOP
SWITCH
RECIRCULATING
BLOWER
BURNER
CONTROL
6
1
13
14
12
15
Q7800 SUBBASE
HIGH FIRE
COMMON
LOW FIRE
MODULATE
B
R
W
SERIES 90
FIRING RATE
MOTOR
B
R
W
SERIES 90
CONTROLLER
6
7
7
ALTERNATE WIRING FOR SERIES 90 CONTROL CIRCUIT.
LOCKOUT
INTERLOCK
L1
L2

Honeywell RM7838C1012 Specifications

General

Brand	Honeywell
Model	RM7838C1012
Category	Control Unit
Language	English