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Installation Instructions

Issue Date June 6, 2008

Part No. BASO-INS-H19, Rev. - www.baso.com

H19 Series BASO® Automatic Shutoff Pilot Gas Valve

Application

The H19 Series pilot valves provide safe lighting and

complete shutoff of main burne r gas and pilot gas in

the event that the flame heating the thermocouple is

extinguished (H19A_ applications only). Applications

include heaters, commercial cooking equipment and

similar applications. The H19ME valves are for use

only on catalytic heater applications.

Installation

IMPORTANT: Only qualified personnel should

install or service BASO® Gas Products products.

These instructions are a guide for su ch personnel.

Carefully follow all instructions in this document and

all instructions for the appliance.

IMPORTANT: Make all gas installation in

accordance with applicable local, natio nal, and

regional regulations.

CAUTION: Risk of Electric Shock.

Disconnect power supply before making electrical

connections to avoid electric shock.

Note: In applications that do not require electrical

power, disregard the previous caution.

WARNING: Risk of Explosion or Fire.

Shut off the gas supply at the main manual shutoff

valve before installing or servicing the H19. 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.

IMPORTANT: Verify that the valve is installed

only in applications where the specified maximum

ambient (surface) temperature and m aximum

operating pressures do not exceed the limits in the

Technical Specifications section.

To install the H19 valve:

1. Shut off power to the appliance (if applicable).

2. Shut off the gas at the main manual shutoff valve.

3. Ensure that the gas flows through the valve body

in the direction indicated by the arro w 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 H19 may

be damaged in the mounting proce ss if a wrench is

used on any other surface. Using a wrench

incorrectly may void the warranty.

4. Mount the valve to the pipework. The H19 valve

may be mounted in any convenient position. Use

an approved pipe joint sealing com pound on

male threads before assembling. Remove excess

compound after mounting the valve to the

pipework. Threads of the pipe and nipples mu st

be smooth and free of tears and burrs. Steam

clean all piping to remove foreign substa nces

such as cutting oil or thread chips. A sediment

trap should also be installed in accordance with

the National Fuel Gas Code (Z223.1/NFPA 54).

See Figure 1 and Figure 2.

Summary of content (5 pages)

PAGE 1
Installation Instructions Issue Date June 6, 2008 H19 Series BASO® Automatic Shutoff Pilot Gas Valve Application The H19 Series pilot valves provide safe lighting and complete shutoff of main burner gas and pilot gas in the event that the flame heating the thermocouple is extinguished (H19A_ applications only). Applications include heaters, commercial cooking equipment and similar applications. The H19ME valves are for use only on catalytic heater applications.
PAGE 2
5. 6. Attach the thermocouple securely to the pilot burner (H19A_ valves only). Connect the thermocouple lead nut to the power unit terminal. Tighten the thermocouple lead nut finger tight plus an additional maximum of 1/8 turn. Do not overtighten. 7. Check for leakage: a. Shut off the gas at the main manual shutoff valve and open the pressure connection between the manual shutoff valve and the H19 valve. b.
PAGE 3
Setup and Adjustments Checkout Make sure all components are functioning properly by performing the following procedure. Checkout for H19A_ Valves ! 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. 1.
PAGE 4
6. 7. Check the millivoltage output of the thermocouple and milliampere dropout range at the BASO power unit terminal to be sure that they meet the values in Table 1 and Table 2. Step-by-step procedures for these checks are included with the Y99AB-4 BASO Test Kit Application Note (Part No. 24-8711-838). If the heater is equipped with a thermostat, return it to the desired setting after the catalytic reaction has been established for at least one hour.
PAGE 5
Technical Specifications Product H19 Series BASO Automatic Shutoff Pilot Gas Valve Maximum Operating Pressure 0.5 psi (35 mbar) Valve Body Aluminum Permissible Ambient (Surface) Temperature H19A_ 32 to 150°F (0 to 66°C) H19ME -40 to 150°F (-40 to 66°C) Recommended Thermocouple Lead Length K15: 12 to 48 in. (305 to 1,220 mm) K16: 12 to 72 in. (305 to 1,830 mm) K19: 18 to 72 in. (457 to 1,830 mm) Inlet and Outlet Pipe Size 3/8 x 3/8 in.