Sit 820 NOVA Instructions D'installation

installationi i n n s s t t r r u u c c t t i i o o n n s s
820 NOVA mV
STEP MOTOR Modulating Kit
WARNING!
The installation of this conversion kit must only be undertaken by a
qualified and certified gas appliance installer.
STEP MOTOR PRESSURE REGULATOR
CONVERSION KIT INSTALLATION OR
REPLACEMENT INSTRUCTIONS.
1 Turn control knob to the OFF position,
and shut off the gas supply to the
valve.
2
Using a Torx T20, or slotted screwdriver,
remove and discard the three pressure
regulator mounting screws (A), pressure
regulator tower (B), and the spring and
diaphragm assembly (C).
(If applicable)
3
Insure that the rubber gasket (D) is
properly positioned and install the new
STEP MOTOR (E) pressure regulator
assembly to the valve using the new
screws supplied with the kit. Tighten
screws securely.
(Reference torque = 25 In.Lb.)
4
Install the enclosed identification label
(F) to the valve body where it can be
easily seen.
5
Make STEP MOTOR and mV valve
electrical connections,apply gas to
system and re-light appliance
according to
instructions.
6
With the main burner "ON", test the
new pressure regulator assembly for
leaks using a soap solution.
7
Relight the main burner and verify
proper burner ignition and operation.
WARNING!
This modulating conversion kit must ONLY be applied as part of a conversion
kit supplied by the APPLIANCE MANUFACTURER for the specific appliance,
and type of gas, being converted.
The correct operation is not garanteed in case of fall or knock.
INSTALLER NOTICE. These instructions must be left with appliance.
manufacturers
A
A
B B
C C
E
D
F