Honeywell RM7895D Wiring Diagrams

7
7800 SERIES CONVERSION WIRING DIAGRAM
FROM__________________________ TO ____________________
(DEVICE TO BE MODERNIZED) (O.S. NUMBER OF RELAY MODULE TO BE USED)
12
Q7800
13
14
15
16
18
17
19
20
21
22
G
L2
9
8
7
6
5
4
3
10
F
G
2
F
3
5
F
RA890
RM7895
M6012
2 3
64
7
8
5
6
A
B
C
D
E
F
G
IF THE APPLICATION HAS EXTERNAL PURGE TIMING
AND/OR ON AN EXTERNAL INTERRUPTED
PILOT RELAY, THEN CONVERT TO RM7895.
OTHERWISE CONVERT RA890 TO RM7890.
REMOVE EXTERNAL PURGE TIMER AND/OR
INTERRUPTED PILOT RELAY.
SELECT RELAY MODULE:
• RM7895A - INTERMITTENT PILOT WITHOUT
AIRFLOW SWITCH CHECK.
• RM7895B - INTERMITTENT PILOT WITH
AIRFLOW SWITCH CHECK.
• RM7895C - INTERRUPTED PILOT WITHOUT
AIRFOLW SWITCH CHECK.
• RM7895D - INTERRUPTED PILOT WITH
AIRFLOW SWITCH CHECK.
CONNECT 120 VAC POWER TO Q7800 TERMINAL 5 (L1).
ON POWER BURNERS, IDENTIFY BURNER MOTOR
WIRE ON Q270 SUBBASE TERMINAL 3 AND CONNECT
IT TO Q7800 SUBBASE TERMINAL 4.
THE LINE VOLTAGE AIRFLOW SWITCH (IF USED) IS TO
BE INSTALLED BETWEEN SUBBASE Q7800 TERMINAL 6
AND TERMINAL 7.
IF APPLICATION HAD AN EXTERNAL PURGE TIMER,
THEN SELECT A PURGE CARD THAT MATCHES THE
TIMING OF THE EXTERNAL PURGE TIMER.
GENERAL FOOTNOTES, SEE PAGE 4.
C
4
6
12
9
10
11
2
7
8
10
(L1)
11
D
4
1
12
A B
E
1
F
4
13
13

Honeywell RM7895D Specifications

General

Brand	Honeywell
Model	RM7895D
Category	Computer Hardware
Language	English