Honeywell RM7800L User Manual

RM7800E,G,L,M
STATIC CHECKOUT
TABLE 7—STATIC CHECKOUT (Continued)
Test RM7800 Test Volt- If Operation Is Abnormal,
No. Models Jumpers meter Normal Operation Check The Items Listed Below
WARNING
Make sure all manual fuel shutoff valves are closed.
8 All 4-9 — Automatic main fuel valve(s) opens. 1. Listen for and observe operation
If using direct spark ignition on a of the main fuel valve(s) and
model with intermittent pilot on actuator(s).
terminal 21, check the optional 2. Valve(s) and actuator(s).
second stage fuel valve, if used.
9 All 4 -3 — Alarm (if used) turns on. 1. Alarm.
10 RM7800 4-5 18-L2 Firing rate motor drives open; zero 1. Low Fire Start Switch.
E,G, L and volts at terminal 18 after motor 2. Firing rate motor and transformer.
models 12-13 starts driving open.
11 RM7800 4-5 18-L2 Firing rate motor drives closed; line 1. Low Fire Start Switch.
E,G, L and voltage at terminal 18 after motor 2. Firing rate motor and transformer.
models 14-13 is in Low Fire position.
12 RM7800 4-5 19-L2 Firing rate motor drives open; line 1. High Fire Purge Switch.
E,L and voltage at terminal 19 after motor 2. Firing rate motor and transformer.
models 12-13 is in High Fire position.
13 RM7800 4-5 19-L2 Firing rate motor drives closed; zero 1. Low Fire Start Switch.
E,L and volts at terminal 19 after motor 2. Firing rate motor and transformer.
models 14-13 starts driving closed.
14 RM7800 15-13 — 1. Raise set point of Series 90 1. Series 90 Controller.
E,G, L controller—firing rate motor 2. Firing rate motor and transformer.
models should drive toward open.
2. Lower set point of Series 90
controller—firing rate motor
should drive toward closed.
15 RM7800M 4-13 — If damper motor is used, motor 1. Damper motor.
models drives damper open.
with Open
Damper
Contacts
16 RM7800M 4-5 18-L2 If damper motor is used, spring return 1. Low Fire Start Switch.
models drives motor and damper closed; 2. Damper motor.
with Open line voltage at terminal 18 after
Damper motor is in Low Fire position.
Contacts.
17 RM7800M 4-5 18-L2 If damper motor is used, motor 1. Low Fire Start Switch.
models and drives open; zero volts at terminal 2. Damper motor.
with 4-13 18 after motor starts driving open.
Open
Damper
Contacts
Final All
34
!
CAUTION
On completing these tests, open the master switch and remove all test jumpers from the
subbase terminals. Also remove bypass jumpers from the low fuel pressure limits (if
used).
!

Honeywell RM7800L Specifications

General

Brand	Honeywell
Model	RM7800L
Category	Control Unit
Language	English