Honeywell L ユーザーズマニュアル

27

66-1153—03

6

All

L1-5

—

1. Ignition spark (if ignition

    transformer is connected to

    terminal 5).

2. Automatic pilot valve opens (if

    connected to terminal 5).

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

L1-6

—

Same as test no. 6 for 

connections to terminal 5. 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

L1-7

—

Automatic main fuel valve(s) 

open.

If using direct spark ignition on a 

model with intermittent pilot on 

terminal 6, 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

L1-9

—

Alarm (if used) turns on.

1. Alarm.

10

R7140G,L

L1-8

and

10-11

13-L2

Firing rate motor drives open; 

zero volts at terminal 13 after 

motor starts driving open.

1. Low Fire Start Switch.

2. Firing rate motor and transformer.

11

R7140G,L

L1-8

and

14-11

13-L2

Firing rate motor drives closed; 

line voltage at terminal 13 after 

motor is in Low Fire position.

1. Low Fire Start Switch.

2. Firing rate motor and transformer.

12

R7140G,L

L1-8

and

10-11

15-L2

Firing rate motor drives open; 

line voltage at terminal 15 after 

motor is in High Fire position.

1. High Fire Purge Switch.

2. Firing rate motor and transformer.

13

R7140L

L1-8

and

14-11

15-L2

Firing rate motor drives closed; 

zero volts at terminal 15 after 

motor starts driving closed.

1. Low Fire Start Switch.

2. Firing rate motor and transformer.

14

R7140G,L

11-12

—

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.

15

R7140M with 

open damper 

contacts.

14-11

—

If damper motor is used, motor 

drives damper open.

Damper motor.

16

R7140M with 

open damper 

contacts.

L1-8

13-L2

If damper motor is used, motor 

drives open; line voltage at 

terminal 13 after motor is in Low 

Fire position.

1. Low Fire Start Switch.

2. Damper motor.

17

R7140M with 

open damper 

contacts.

L1-8

and

L1-11

13-L2

If damper motor is used, motor 

drives open; zero volts at 

terminal 13.

1. Low Fire Start Switch.

2. Damper motor.

Final

All

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.