Valor H6 Serie Instructions D'installation page 3

Replace the minimum rate by-pass screw
1. Turn module assembly upside down, unlock and
remove pipe assembly.
2. Remove two screws retaining the valve to mounting
bracket, being very careful. Gently pull valve away
from the mounting bracket while managing the
fl exible aluminum pilot line and thermocouple so as
not to kink the lines.
3. Locate and remove the by-pass screw from the
valve and discard. The by-pass screw has a rubber
O-ring and may need to be pulled out using pliers
after unscrewing.
4. Insert the replacement minimum rate by-pass screw
and hand tighten using a screwdriver. Refer to the
Specifi cations table on page 1 for proper by-pass
screw. Note that the number is stamped on the
barrel of the screw.
Minimum rate
By-pass screw
location
5. Re-install the valve to its mounting bracket and
reconnect the main burner pipe assembly to the
valve ensuring it is "gas tight". Check the pilot line
and the thermocouple/interruptor block connections
to ensure they are still tight after having moved the
valve.
Note: The thermocouple/interruptor block
connections only require "fi nger tight plus 1/4 turn -
do NOT overtighten as this is not a gas connection.
Re-assemble module
1. To reinstall, follow the procedure outline above in
reverse order.
Top side of
control valve
2. Position and locate module in the fi rebox inserting
the valve fi rst. be careful not to trap cables
between fi rebox fl oor and module
3. Secure module to fi rebox with previously used
screws.
4. Reconnect gas inlet to valve tightening pipe
connection. Open shut off valve and inspect
5. Test for leaks by applying a liquid detergent or soap
solution to inlet connection joint. Bubbles forming
indicate a gas leak.
Never use an open fl ame to check for leaks.
Correct any leak detected immediately.
Adjust the air shutter
The air shutter is located under the ceramic fuel bed at
the back.
1. Carefully turn the fuel bed upside down and locate
the air shutter.
Air shutter under the
ceramic plateform
2. The air shutter installs differently depending of the
type of gas used. Remove the nuts on each side
of the shutter and turn it around in the position
appropriate to the type of gas used.
NG
LPG
3. Refi t the nuts and tighten them.
Air shutter
Air shutter
3