BASO G93 Series Combination Automatic Gas Valve - Manual

Installation Instructions
Issue Date September 17, 2008
© 2008 BASO Gas Products 1
Part No. BASO-INS-G93 Rev. A www.baso.com
G93 Series BASOTROL® Combination
Automatic Gas Valve
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.
!
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.