Honeywell RM7800G ユーザーズマニュアル

15

66-1085—04

1

All

None

4-L2

Line voltage at Terminal 4.

1. Master Switch.

2. Power connected to the Master Switch.

3. Overload protection (fuse, circuit breaker,

    etc.) has not opened the power line.

2

6-L2

Line voltage at Terminal 6.

1. Limits.

2. Burner Controller.

3

20-L2

Line voltage at Terminal 20.

1. Preignition interlocks.

4

4-5

7-L2

1. Burner motor (fan or

    blower) starts.

2. Line voltage at Terminal

    7 within 10 seconds.

1. Burner motor circuit.

     a.  Manual switch of burner motor.

     b. Burner motor power supply, overload

          protection, and starter.

      c. Burner motor.

2. Running or Lockout Interlocks (including 

Airflow Switch).

5

4-10

—

Ignition spark (if ignition 

transformer is connected to 

Terminal 10)

1. Watch for spark or listen for buzz.

     a. Ignition electrodes are clean.

    b. Ignition transformer is okay.

6

All

4-8

—

1. Ignition spark (if ignition

     transformer is connected to

    Terminal 8).

2. Automatic pilot valve opens (if

    connected to Terminal 8).

NOTE: Refer to wiring diagram of 

system being tested.

1. Watch for spark or listen for buzz.

     a. Ignition electrodes are clean.

    b. Ignition transformer is okay.

2. Listen for click or feel head of valve for 

     activation.

      a. Actuator if used.

     b. Pilot valve.

7

4-21

—

Same as test no. 6 for connections 

to Terminal 8. If using direct spark 

ignition, check the first stage fuel 

valve(s) instead of the pilot valve.

Same as test no. 6. If using direct spark 

ignition, check the first stage fuel valve(s) 

instead of the pilot valve.

8

4-9

—

Automatic main fuel valve(s) open.

If using direct spark ignition on a 

model with intermittent pilot on 

Terminal 21, check the optional 

second stage fuel valve, if used.

1. Listen for and observe operation of the 

main

     fuel valve(s) and actuator(s).

2. Valve(s) and actuator(s).

9

4-3

—

Alarm (if used) turns on.

1. Alarm.

10

RM7800E,G,L;

RM7840E,G,L

4-5

and

12-13

18-L2

Firing rate motor drives open; zero 

volts at Terminal 18 after motor 

starts driving open.

1. Low Fire Start Switch.

2. Firing rate motor and transformer.

11

RM7800E,G,L;

RM7840E,G,L

4-5

and

14-13

18-L2

Firing rate motor drives closed; line 

voltage at Terminal 18 after motor 

is in Low Fire position.

1. Low Fire Start Switch.

2. Firing rate motor and transformer.

12

RM7800E,L;

RM7840E,L

4-5

and

12-13

19-L2

Firing rate motor drives open; line 

voltage at Terminal 19 after motor 

is in High Fire position.

1. High Fire Purge Switch.

2. Firing rate motor and transformer.

13

RM7800E,L;

RM7840E,L

4-5

and

14-13

19-L2

Firing rate motor drives closed; 

zero volts at Terminal 19 after 

motor starts driving closed.

1. Low Fire Start Switch.

2. Firing rate motor and transformer.

14

RM7800E,G,L;

RM7840E,G,L

15-13

—

1. Raise setpoint of Series 90

    controller—firing rate motor

    should drive toward open.

2. Lower setpoint of Series 90

    controller—firing rate motor 

    should drive toward closed.

1. Series 90 Controller.

2. Firing rate motor and transformer.