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Installation Instructions BGA Series

Issue Date August 18, 2011

Part No. BASO-INS-BGA158_171_110, Rev. B www.baso.com

BGA158, BGA171 and BGA110 Series

Shutoff Gas Valve

Applications

The BGA Series shutoff gas valve is an electrically

operated gas valve that automatically open and close

on a demand signal from a thermostat or other

controlling device. Typical applications include

heaters, wall furnaces, commercial cooking

equipment, roof top makeup units and similar

applications. The BGA Series can be used with natural

gas and LP gas at pressures up to 0.5 psi. Its compact

size permits installation in space restrictive

applications.

Installation

IMPORTANT: Only qualified personnel should

install or service BASO® Gas 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 BGA Series.

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

BGA Series. 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 pressure does not exceed the limits in the

Technical Specifications section.

To install the BGA Series 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 “IN” and “OUT” or

by the arrow on the valve body. If the valve is

installed with the gas flow in the opposite

direction, 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 BGA Series may be damaged in the mounting

process if a wrench is used on any other surface.

Using a wrench incorrectly may void the warranty.

Summary of content (6 pages)

PAGE 1
Installation Instructions Issue Date BGA Series August 18, 2011 BGA158, BGA171 and BGA110 Series Shutoff Gas Valve Applications The BGA Series shutoff gas valve is an electrically operated gas valve that automatically open and close on a demand signal from a thermostat or other controlling device. Typical applications include heaters, wall furnaces, commercial cooking equipment, roof top makeup units and similar applications. The BGA Series can be used with natural gas and LP gas at pressures up to 0.
PAGE 2
6. The BGA Series valve may be mounted on a horizontal manifold with the solenoid coils pointed up (vertical) or in any position not exceeding 90° from the vertical. The valve may also be mounted on a vertical manifold in any position around its axis (see Figure 1). Do not install the solenoid coil upside down. Install vertically wherever possible. 90° Maximum from Vertical 90° Maximum from Vertical ! WARNING: Risk of Explosion or Fire.
PAGE 3
BGA158 BGA171 BGA110 Figure 2: BGA Series Gas Valves BGA Series Shutoff Gas Valve Installation Instructions 3
PAGE 4
Wiring Setup and Adjustments Checkout ! WARNING: Risk of Shock. Disconnect the power supply before making electrical connections to avoid electrical shock or equipment damage. Ensure that the operating voltage is identical to the information on the product identification label. ! ! CAUTION: Equipment Damage Hazard. For 12 VDC, 25 VDC and 25 VAC applications, the ground wire must not be connected to prevent possible grounding of the 12 VDC or 25 VDC power supply or 25 VAC transformer secondary.
PAGE 5
Repairs and Replacement Table 1: Replacement Solenoid Coil (BGA158/BGA171) Part Number Description RSDA95A-12 12 VDC; 2-tab 10.5 VA Coil RSDA95A-25 25 VAC; 50/60 Hz; 3-tab 10.5 VA Coil RSDA95A-25V 25 VDC; 3-tab 11.5 VA Coil RSDA95A-120 120 VAC; 50/60 Hz; 3-tab 10.5 VA Coil RSDA95A-240 240 VAC; 50/60 Hz; 3-tab 10.5 VA Coil ! WARNING: Risk of Explosion or Fire. Shut off the gas supply at the main manual shutoff valve before installing or servicing the BGA Series.
PAGE 6
Technical Specifications Product BGA Series Shutoff Gas Valve Types of Gas Natural Gas or LP Gas Maximum Operating Pressure 0.5 psi Permissible Ambient (Surface) Temperature -20 to 175ºF (-29 to 79ºC) Body Connections 1/4, 3/8 or 1/2 cc; 1/8, 1/4, 3/8, 1/2, 3/4 or 1 NPT; 1/8, 1/4, 3/8 or 1/2 BSPP Electrical Ratings BGA158/BGA171 12 VDC, 0.875A 25 VAC, 50/60 Hz, 0.42A; 25 VDC, 0.46A 120 VAC, 50/60 Hz, 0.088A 240 VAC, 50/60 Hz, 0.