Roberts Gorden CTCU 22 Manuale Utente

Pagina di 40
COMBAT
®
 CTCU U
NIT
 H
EATER
 I
NSTALLATION
 O
PERATION
 
AND
 S
ERVICE
 M
ANUAL
26 
SECTION 15: REMOVAL AND REPLACEMENT PARTS
See warnings and notes on Page 20, Section 12 
before removing or replacing parts.
Burner Components
All serviceable burner parts are accessed by the 
door on the side of the heater. Remove the four 
sheetmetal screws.
15.1 Gas Valve
Remove the gas supply pipe at the heater inlet.
Replace in reverse order. Verify that the gas flow 
direction of the valve is correct. Use a minimum 
amount of gas seal on the thread joint. Check that 
all the joints are leak free. Reset gas valve. See 
Page 17, Section 10.2.2
.
IT IS IMPORTANT THAT ONLY THE CORRECT 
GAS VALVE IS USED WHEN REPLACING THESE 
CONTROLS.
Disconnect
wire harness
Unplug
control
from
valve.
Remove
fixing
screw.
Ignition
Control
Description
Part Number
Gas Valve VK4105A
90033403
Ignition Control
90434010