Справочник Пользователя для Weil-McLain GOLD CGI-4E

38

Part Number 550-110-711/1108

Operation — sequence

1. 

 on page 41. This information is 

also located on a label on the inside of the boiler jacket door 

panel.

2. 

room thermostat to call for heat.

3. 

If limit circuit is closed, the inducer 

starts. After  pressure  switch  proves  proper  airflow,  control 

module initiates 30-second prepurge.

4. 

 the pilot and opens pilot valve in 

main gas valve.

a.  If pilot 

light within 15 seconds, pilot valve is closed 

and spark generator is turned off. Control module initiates a

15-second postpurge, then starts a new cycle.

b.  If pilot 

light and control module senses flame current, 

spark generator is turned off and main valve opens.

5.  The CGi-4E timer relay delays high fire for the first 60 seconds

of main flame.

6. 

a.  Control module monitors pilot flame current.

, main valve closes, spark generator activates and 

sequence returns to step 

.

b. 

, control system 

 pilot 

and main gas valves and restarts at step 

when power is 

restored.

7.  In the event the 

— The 

control module closes the pilot and main gas valves, but keeps 

the inducer operating for 15-second postpurge.

 

— The circulator continues to operate.

8. 

room thermostat setting to stop call for heat. Ther-

mostat  is  satisfied  —  Pilot  and  main  gas  valves  are  closed 

— Inducer operates for 15-second postpurge — Circulator

is shut off.

9.  Boiler is now in the

.

10. 

steps 

through 

several times to verify operation.

11. 

the thermostat to normal setting.

12. Set thermostat heat anticipator setting as instructed in

, page 40.