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RM7800E,G,L,M; RM7840E,G,L,M 7800 SERIES RELAY MODULES
Automation and Control Solutions
Honeywell International Inc.
1985 Douglas Drive North
Golden Valley, MN 55422
Honeywell Limited-Honeywell Limitée
35 Dynamic Drive
Toronto, Ontario M1V 4Z9
customer.honeywell.com
® U.S. Registered Trademark
© 2010 Honeywell International Inc.
66-1085—04 M.S. Rev. 09-10
Printed in U.S.A.
15 RM7800M;
RM7840M with
open damper
contacts..
14-13 — If damper motor is used, motor
drives damper open.
Damper motor.
16 RM7800M;
RM7840M with
open damper
contacts..
4-5 18-L2 If damper motor is used, motor
drives open; line voltage at
Terminal 18 after motor is in Low
Fire position.
1. Low Fire Start Switch.
2. Damper motor.
17 RM7800M;
RM7840M with
open damper
contacts..
4-5
and
4-13
18-L2 If damper motor is used, motor
drives open; zero volts at
Terminal 18.
1. Low Fire Start Switch.
2. Damper motor.
Final All
CAUTION
Equipment Damage Hazard.
Improper wiring can damage equipment.
On completing these tests, open the master switch and remove all test jumpers from the
subbase terminal. Also remove bypass jumpers from the low fuel pressure limits (if used) to
prevent equipment damage.
Table 8. Static Checkout. (Continued)
Test
No.
RM7800/
RM7840
Models
Test
Jumpers Voltmeter Normal Operation
If Operation is Abnormal,
Check the Items Listed Below