5. MAINTENANCE GUIDE
1
. Plug off
1
. Disjoin the wire connectors of ignition transformer, ignition
2
. Lock the gas valve
rod, and photo sensor.
3
. Open the front cover with +screw driver.
2
. Disassemble the parts around the main heat exchanger
4
. screws on top and bottom.
with +screw driver. Ignition transformer, Ignition rod,
Photo sensor.
1
. With spanner, unfasten the nut of the gas pipe.
1
. Unscrew the cover of main heat exchanger.
2
. Open it.
1
Tool
※
On reverse order, assemble the parts and boiler.
5-1 Main heat exchanger
Warning ! : Carefully assemble the cover and nut to seal the parts. If fail to seal, there may occur the accident of gas leakage.
2
1
3
2
4
5
6
29페이지