Roberts Gorden DAT115 Manual Do Utilizador

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D
UAL
A
IR
®
 H
EATING
 
AND
 
COOLING
 U
NITS
 I
NSTALLATION
 O
PERATION
 
AND
 S
ERVICE
 M
ANUAL
36 
SECTION 16: REMOVAL AND REPLACEMENT PARTS
See warnings and notes on Page 28, Section 13 
before removing or replacing parts.
Burner Components
All serviceable burner parts are accessed by the 
door on the side of the heater. 
See Page 5, Section 4
.
16.1 Gas Valve
The VR4605 gas valve is fitted with the V7335A 
Modureg regulator (P/N L512) supplied as a 
separate component.
When replacing the gas valve, the Modureg will 
need to be fitted on site. To fit the Modureg, remove 
the standard regulator by removing the two screws 
retaining the rubber sealing washerSee Page 36, 
Figure 17
Figure 17: Standard Regulator Removal
Fit the Modureg ensuring that the rubber seal is in 
place and the two screws are tight. See Page 36, 
Section 16.1.1
. Once fitted follow commissioning 
procedure in Section 11.
16.1.1 Gas Valve Replacement - (all models)
16.1.2 Gas Valve Replacement continued- (all models)
Replace in reverse order. Verify that the gas flow 
direction of the valve is correct. Re-use the "O" ring 
seal in the outlet flange where fitted. Check that all 
the joints are leak free. Reset gas valve. 
See Page 23, Section 11.4.2
IT IS IMPORTANT THAT ONLY THE CORRECT 
GAS VALVES SPECIFIED FOR EACH MODEL
TYPE ARE USED WHEN REPLACING THESE 
CONTROLS.
Remove Standard
Regulator
Sealing
Washer
Step 1
Unscrew
gas pipe
from the
valve inlet.
Step 2
Unscrew valve from the
burner manifold
or
unscrew the screws for
the inlet and outlet flanges.
Ignition
Control
Rubber
Seal
Modureg Modulating
Regulator
Description
Part Number
Gas Valve VR4605
90033404
Ignition Control
90434020