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7800 SERIES CONVERSION WIRING DIAGRAM
FIREYE UVM
TFM
FROM__________________________
M - SERIES II
(DEVICE TO BE MODERNIZED)
Q7800
G
S1
2
7
2
L2
3
A
4
8
5
1
(L1)
13
4
6
B
6
B
7
4
3
8
5
9
4
10
S2
F
6
1
2
3
7
8
9
GENERAL FOOTNOTES, SEE PAGE 4.
C
(O.S. NUMBER OF RELAY MODULE TO BE USED)
12
8
13
14
15
16
17
18
19
20
21
22
12
4
5
6
10
12
13
TO ____________________
RM7895
10
SELECT PROPER RELAY MODULE PER CROSS
A
REFERRENCE TABLE.
INSTALL THE LINE VOLTAGE AIRFLOW SWITCH
B
BETWEEN Q7800 SUBBASE TERMINALS 6 AND 7.
ON THE CONTROL BEING REPLACED, THE
AIRFLOW SWITCH MAY HAVE BEEN INSTALLED
BETWEEN THE BLOWER OUTPUT TERMINAL (8)
AND THE AIRFLOW SWITCH INPUT TERMINAL (6).
IF THE CONTROL IS A UVM -1 OR TFM -1 AND THE
C
APPLICATION HAS AN EXTERNAL PURGE TIMER
AND/OR AN EXTERNAL INTERRUPTED PILOT
RELAY, THEN CONVERT TO RM7895. OTHERWISE,
CONVERT THE UVM -1 OR TFM -1 CONTROL TO
RM7890:
• REMOVE THE EXTERNAL PURGE TIMER
AND/OR INTERRUPTED PILOT RELAY.
• SELECT A PURGE CARD THAT MATCHES THE
TIMING OF THE EXTERNAL PURGE TIMER.
• 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.
10
A
M6015
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