BASO H91 Series - Manual (Page 2)

2 H91 Series BASOTROL Shutoff Gas Valve Installation Instructions
6. Mount the H91 valve on a horizontal manifold
with the magnetic operator pointed up (vertical) or
in a position not exceeding 90
° from vertical. The
valve may also be mounted on a vertical manifold
in any position around its axis (Figure 1).
The H91L_, M_, or AM_ valves may be mounted
on a horizontal manifold only. The magnetic
operator should be in the upright position.
Vertical mounting may
be 360º around its axis
with the gas flow
either up or down.
Horizontal mounting limited
to 90º from upright.
In
Ou
t
90º 90º
Figure 1: H91 Mounting Positions
7. Installer must be a trained, experienced, flame
safeguard control technician. Threads of the pipe
and nipples must be smooth and free of tears and
burrs. Steam clean all piping to remove foreign
substances such as cutting oil or thread chips. A
sediment trap should also be installed in
accordance with the National Fuel Gas Code
NFPA 54 (see Figure 3). Mount the valve to the
pipework, use a quality rated pipe tape, UL listed
seal material rated for gasoline, propane, and
other gases. If not available, a quality grade pipe
dope, a light amount on the male threads, starting
two threads away from the first engaging thread. If
pipe dope lodges on the valve seat, it will prevent
proper closure. Remove excess compound after
mounting the valve to the pipework.
!
WARNING: Risk of Explosion or Fire.
Verify that there are no gas leaks by testing with
appropriate equipment. Never use a match or lighter
to test for the presence of gas. Failure to test
properly can lead to an explosion or fire and may
result in severe personal injury or death.
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 H91
valve.
b. Connect air tubing with a maximum pressure
of 1-1/2 times the valve’s maximum operating
pressure (as indicated on the valve) to the
opened pressure connection.
c. Paint all valve body connections with a rich
soap and water solution.
If bubbles occur, this is an indication of a leak.
To stop a leak, tighten joints and connections.
Replace the part if the leak cannot be stopped.
If bubbles do not occur, remove the air tubing
and close the pressure connection.
8. Perform the Checkout section before leaving the
installation.
Wiring
!
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.
Non-Polarity Sensitive
Connections
1
L1 (Hot)
L2 (Neu)
1
Power supply provide disconnect
means and overload protection
as required.
Safety
Control
24 Volt
Thermostat
Limit(s)
Note: Some valves may vary based on style of connections
Figure 2: Typical H91 Wiring