Instructions For Pressure Test Gauge Connection - Space-Ray PTS 40-N7/L7 Installation And Operation Instructions Manual

Infrared radiant tube heater two stage push through system (positive pressure)

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14.0)

INSTRUCTIONS FOR PRESSURE TEST GAUGE CONNECTION

SUPPLY PRESSURE

1. The installer will provide a 1/8" N.P.T. tapped plug, accessible for test gauge connection immediately

upstream of the gas supply connection to the heater.

MANIFOLD PRESSURE – – – – COMBINATION GAS VALVE IS FACTORY SET

MANIFOLD PRESSURE

1. Turn the gas valve to the "OFF" position. Remove the 1/8" plug from the combination gas valve at the

Outlet Pressure Tap

Outlet Pressure T

ap shown below and connect a 1/8" nipple to the tapped hole. Connect the test gauge to

Outlet Pressure T

ap ap

the nipple. Turn on the gas supply.

2. With the main burner operating, check the burner manifold pressure using a water column manometer.

Gauges that measure pressure in pounds per square inch are not accurate enough to measure or set the

manifold pressure. All measurements MUST BE

that is connected to the gas supply system are operating at maximum capacity.

3. The combination gas valve is factory set and should not require adjustment.

The combination gas valve is factory set and should not require adjustment. If full rate adjustment is

The combination gas valve is factory set and should not require adjustment.

required, remove the cover screw. Using a small screwdriver, turn the adjustment screw clockwise

increase or counterclockwise

The step opening pressure of this gas valve is not adjustable.

Form 43343530

Aug 2012

DANGER

COMBINATION GAS VALVE IS FACTORY SET

MUST BE made when this heater and all other gas burning equipment

MUST BE

to decrease the gas pressure to the burner. Replace the cover screw. NOTE:

-31-

NOTE:

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