User Instructions Part 1

INSTALLATION INSTRUCTIONS FOR OEM USE ONLY
© 2013 Mertik Maxitrol GmbH & Co. KG, All Rights Reserved.
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Pilot Flame Adjustment
(Vented Units Only)
The pilot fl ow adjustment is preset to maximum at the factory.
The pilot fl ame should envelope ⅜” to ½” of the thermocouple –
vented only (see fi gure 16).
1. The adjustment screw can be reached through a hole in the
MANUAL knob (see fi gure 15).
2. Turn the MANUAL knob to the ON position.
3. It is now possible to pierce through a fi lm on the cover with a
screwdriver to reach the adjustment screw beneath.
4. Turn the adjustment screw clockwise
to decrease or
counterclockwise
to increase pilot fl ame.
Outlet Pressure Adjustment
(Vented Units Only)
STANDARD REGULATOR OR THROTTLE
(Throttle CE only)
1. Connect a pressure manometer to the valve outlet pressure
tap. Pressure tap is opened by turning the screw counterclock-
wise
.
Pressure regulator or throttle are located under the cover and
can be reached by removing the plug (see fi gures 16 and 18).
2. Turn MANUAL knob and main valve knob to the
ON position.
3. Turn pressure regulator adjustment screw to set required
burner pressure (high fi re). Pressure is increased by turning
clockwise
(pressure regulator models), or decreased by
turning counterclockwise
.
Vented Gas Appliances
Figure 16: Proper Flame Impingement on Thermocouple
⅜ to ½ in.
(10 to13 mm)
Thermocouple
Figure 15: GV60, Connections and Adjustment Options
Side Outlet
Side Inlet
Main Valve Knob
MANUAL
Knob
Bottom
Outlet
Bottom
Inlet
Pressure Regulator
(remove plug fi rst)
Inlet Pressure Tap
Outlet Pressure Tap
Pilot Gas Adjustment
Screw (turn with
screwdriver)
Magnet Unit
Minimum Rate Orifi ce
Connection
Piezo Igniter
Tab 2.8 x 0.8 mm
NOTE: Throttle model’s pressure is increased by turning coun-
terclockwise
; or decreased by turning clockwise
.
4. After adjustment, replace the plug.
5. If no other adjustments are required, close pressure tap(s) by
turning the screw(s) full clockwise
.
Check all connections/pressure tap(s) for leaks.
6. If the desired outlet pressure or fl ow cannot be achieved by
adjusting the gas valve, check the gas valve inlet pressure us-
ing a manometer at the valve inlet pressure tap. If the inlet
pressure is in the normal range, replace the gas valve; other-
wise, take necessary steps to assure proper gas pressure to
the valve.
CONVERTIBLE PRESSURE REGULATOR
(Optional)
Convertible regulators are designed to deliver either of two fi xed
outlet pressures for Natural Gas (NG) or LP Gas. To change
from one gas to the other, turn the conversion plug (see fi gure
18) counter clockwise to remove. Unsnap and remove the plas-
tic part, rotate it 180°, and then slide it back on the conversion
plug until it snaps. Turn the conversion plug clockwise until it
bottoms out.
Gas control knobs function as follows (see fi gure 15):
KNOB POSITION FUNCTION
Main valve OFF
Prevents main gas fl ow through
valve.
Main valve ON
Permits main gas fl ow through
valve if the pilot is lit and
thermocouple is generating
suffi cient power.
MANUAL knob MAN
Allows the pilot to be manually
ignited and prevents main gas
fl o w .
MANUAL knob ON Allows for automatic ignition.
GAS CONTROL KNOB SETTINGS
ADJUSTMENT
Figure 17: Combination Control GV60, Cover
Pressure Regulator or Throttle
(remove plug fi rst)
It is the appliance manufacturer’s responsibility to determine
GV60’s suitability for a specifi c application.
Do not attempt to remove screws from the top of gas valve.
Do not change any adjustments marked with tamper indicating
paint. Motor knob is not to be removed.