Montigo D3615 Installation & Maintenance Manual page 40

Stepper motor install/replace
Verify that the following items are present in the package.
• Pressure regulator assembly (E)
• Two (2) screws (F)
• Identification label (G)
• Installation instructions
1 Shut off the gas supply to the valve and shut down the electric
supply
2 Using a Torx T20, or slotted screwdriver, remove and discard
the two (2) pressure regulator mounting screws (A), pressure
regulator tower (B), and the spring and diaphragm assembly
(C), (If applicable).
3 Access gas valve by removing the valve blind
4 Ensure the rubber gasket (D), which is prefitted as part of
assembly (E), is properly positioned, otherwise fit the gasket
as shown.
5 Install the new STEPPER MOTOR pressure regulator assembly,
as shown in Fig. 3 and Fig. 4. Use the supplied screws (F)
6 Manually thread the two conversion kit mounting screws into
the valve body. Use a standard screwdriver or T20 Torx bit and
tighten to the screws with a fixing torque of 251b-in ± 5%.
IN THE EVENT THAT THE THREADS OF THE VALVE ARE STRIPPED
OR DAMAGED, REPLACE THE VALVE.
7 Install the enclosed identification label (G) to the valve body
where it can be easily seen.
8 Make STEPPER MOTOR and valve electrical connections, apply
gas to system and relight appliance according to manufacturers
instructions.
9 With the main burner "ON", test the new pressure regulator
assembly for leaks using a soap solution.
9 Relight the main burner and verify proper burner ignition and
operation
WARNING!
Do not use power drill.
WARNING!
Installation should be carried out in a clean environment.
WARNING!
This modulating conversion kit must ONLY be applied as part of a
conversion kit supplied by montigo for the specific appliance, and type
of fuel, being converted.
WARNING!
Correct operation of the system cannot be guaranteed if the conversion
kit or valve has been dropped or has sustained a strong impact.
40
Installation
XG0222