BASO GM7000 Series Multi-function Gas Control Valve - Manual (Page 4)

4 GM-7000 Series CE Approved Gas Control Valve Installation Instructions
Wiring
!
CAUTION: Risk of Electric Shock.
Disconnect power supply before making electrical
connections to avoid electric shock or equipment
damage. Ensure that the operating voltage is
identical to the information on the product
identification label.
The GM-753_ is supplied with 6.35 x 0.8 mm (1/4 in.)
male tabs, and connections should be made using
6.35 x 0.8 mm (1/4 in.) female, fully insulated push-on
terminals.
Route the electrical connection for the valve solenoid
actuators from the burner sequence control to the
valve (see Figure 3).
Note: Electrical connections can also be made using
pre-wired electrical plugs (DIN 43650 Form B [ISO
4400]).
Note: All wiring must be in accordance with national
and local codes and regulations.
Setup and Adjustments
Checkout
!
WARNING: Risk of Explosion or Fire.
Follow this or an equivalent checkout procedure
after installation. Before leaving the installation,
verify that the gas valve functions properly and that
the system has no gas leaks. Gas leaks can lead to
an explosion or fire, and may result in severe
personal injury or death.
Make sure all components are functioning properly by
performing the following test:
1. Test all joints and connections for leaks with a
soap solution.
2. Close the main upstream shutoff valve and wait
at least 5 minutes for unburned gas to escape
from the appliance, and then reopen the shutoff
valve.
3. Turn on the main electrical power switch and
close the thermostat contacts. The appliance
should operate in accordance with the
manufacturer’s specified sequence of operation.
4. Turn the thermostat to a low dial setting to open
the contacts. All burner flames should be
extinguished. Repeat Steps 3 and 4 at least three
times.
5. Return the thermostat to a normal setting before
leaving the installation.
Regulator Adjustment
IMPORTANT: All adjustments must be made
in conjunction with the gas appliance and in
accordance with the appliance manufacturer’s
instructions. Only authorized personnel should make
adjustments.
!
WARNING: Risk of Explosion or Fire.
The minimum flow rate of the valve must not be
adjusted below the minimum safe working rate of the
appliance. This may cause gas leaks, which can
lead to an explosion or fire and may result in severe
personal injury or death.
The GM-753_ model has a bottom adjust pressure
regulator. To adjust the regulator, turn the adjusting
screw to determine the compression of the regulator
spring against the regulator diaphragm.
To adjust the outlet pressure, remove the leak-limiting
seal cap to expose the adjusting screw (Figure 3).
Turn the screw (using a suitable screwdriver) in a
clockwise direction to increase or in a
counterclockwise direction to decrease the outlet
pressure of the valve.
Repairs and Replacement
Table 1: Replacement Solenoid Coil
Part Number Description
RSDA95A-25 25 VAC; 50/60 Hz; 3-tab 10.5 VA Coil
RSDA95A-25A 25 VAC; 50/60 Hz; 2-tab 10.5 VA Coil
Do not make field repairs except for the replacement
of the solenoid coil.
Any attempt to repair this assembly voids the
manufacturer’s warranty. For a replacement coil or gas
valve, contact the original equipment manufacturer or
the nearest BASO Gas Products distributor.