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G93 Model B Series BASOTROL® Combination
Application
The G93 valves are suitable for use with natural gas,
Liquefied Petroleum (LP) gas, or LP gas-air mixtures.
Typical applications include central heating units, unit
heaters, commercial clothes dryers, and similar
applications.
Installation
IMPORTANT:
Only qualified personnel should
install or service BASO Gas Products products.
These instructions are a guide for such personnel.
Carefully follow all instructions in this document and
all instructions for the appliance.
IMPORTANT:
Make all gas installations in
accordance with applicable local, national, and
regional regulations.
!
CAUTION: Risk of Electric Shock.
Disconnect power supply before making electrical
connections to avoid electric shock.
!
WARNING: Risk of Explosion or Fire.
Shut off the gas supply at the main manual shutoff
valve before installing or servicing the G93. Failure
to shut off the gas supply can result in the release of
gas during installation or servicing, which can lead to
an explosion or fire, and may result in severe
personal injury or death.
©
2018 BASO Gas Products
Part No. BASO-INS-G93MODELREVB, Rev.-
Automatic Gas Valve
G93 Model Rev. B Series BASOTROL® Combination Automatic Gas Valve
Installation Instructions
Issue Date
!
WARNING: Risk of Explosion, Fire, or
Electric Shock. Label all wires before they are
disconnected when replacing or servicing the G93.
Wiring errors can cause improper or dangerous
operation and may result in an explosion, fire, or
electric shock leading to severe personal injury or
death.
IMPORTANT:
Verify that the valve is installed
only in applications where the specified maximum
ambient (surface) temperature and maximum
operating pressures will not exceed the limits in the
Technical Specifications section.
To install the G93 valve:
1. Shut off power to the appliance.
2. Shut off the gas at the main manual shutoff valve.
3. Label each wire with the correct terminal
designation prior to disconnection.
4. Compare the voltage on the valve with the power
source voltage to ensure the correct unit is being
installed. For valves with 25-volt coils, use a
National Electrical Code (NEC), Class 2
transformer.
Note: The transformer must be mounted to a
grounded metal enclosure.
5. Ensure that the gas flows through the valve body
in the direction indicated by the arrow on the valve
body. If the valve is installed with the gas flow in
the opposite direction of the arrow, leakage can
occur.
IMPORTANT:
Do not use a wrench on any
surface other than the casting flats provided at the
inlet and outlet ends of the valve body. The G93 may
be damaged in the mounting process if a wrench is
used on any other surface. Using a wrench
incorrectly may void the warranty.
G93 Model Rev. B
July 27, 2018
1
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Summary of Contents for Baso BASOTROL B Series
- Page 1 IMPORTANT: Only qualified personnel should install or service BASO Gas Products products. These instructions are a guide for such personnel. Carefully follow all instructions in this document and IMPORTANT: Verify that the valve is installed all instructions for the appliance.
- Page 2 13/16 Figure 3: Proper Use of Wrench on Gas Control DO NOT USE THE SOLENOID OR POWER UNIT FOR LEVERAGE G93 Model Rev. B Series BASOTROL® Combination Automatic Gas Valve © 2018 BASO Gas Products Part No. BASO-INS-G93MODELREVB, Rev.- www.baso.com...
- Page 3 7. Attach the thermocouple securely to the pilot burner, and screw the terminal end to the BASO® WARNING: Risk of Explosion or Fire. power unit terminal on the valve. Make sure this Verify that there are no gas leaks by testing with connection is clean.
- Page 4 Source Thermostat Thermocouple Lead BASO Power Unit Pilot Burner Gas Line Figure 5: Typical Installation Showing External Pilot Gas Flow G93 Model Rev. B Series BASOTROL® Combination Automatic Gas Valve © 2018 BASO Gas Products Part No. BASO-INS-G93MODELREVB, Rev.- www.baso.com...
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Page 5: Setup And Adjustments
7. Check the millivoltage (mV) output of the with regards to servicing their equipment. thermocouple and the milliampere (mA) dropout range of the BASO power unit to ensure that they meet the values listed in Table 1 and Table 2Table 2. Step-by-step procedures for these checks are... -
Page 6: Repairs And Replacement
to verify the desired outlet pressure.) Because this is an electrical connection, the thermocouple lead connection to the BASO power 9. Turn off the gas supply and place the thermostat unit must be clean and free of grease. at the lowest setting. -
Page 7: Maintenance Schedule
WARNING: Risk of Explosion, Fire, or part of maintaining optimum and safe function of your Electric Shock. Label all wires before they are BASO products. Commercial cooking and other disconnected when replacing or servicing the G93. heating equipment can be a heavy cycling demand on Wiring errors can cause improper or dangerous gas safety controls. -
Page 8: Technical Specifications
Performance specifications are nominal and conform to acceptable industry standards. All agency certification of BASO products is performed under dry and controlled indoor environmental conditions. Use of BASO products beyond these conditions is not recommended and may void the warranty. Product must be protected if exposed to water (dripping, spraying, rain, etc.) or other harsh environments. The original equipment manufacturer or end user is responsible for the correct application of BASO products.