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0) instructions for pressure test gauge connection – Space Ray PTS Series Single Stage User Manual

Page 33

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Form 43343330

-32-

Aug 2012

14.0)

INSTRUCTIONS FOR PRESSURE TEST GAUGE CONNECTION

SIDE VIEW

43269050 Rev. A 03/08

DANGER

Failure to do so may result in death,
serious injury or property damage

FIRE HAZARD

This access panel must be closed
tightly with all the necessary screws
during operation.

Never operate the heater with the
access panel open or removed.

Failure to do so may result in death, serious injury or property
damage.

The access doors on either side of the burner must
be securely fastened before operating the heater.

The access panels must be closed tightly with all the necessary
screws during operation.

Never operate the heater with the access panel open or removed.

SUPPLY PRESSURE

SUPPLY PRESSURE

SUPPLY PRESSURE

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

MANIFOLD PRESSURE

MANIFOLD PRESSURE

MANIFOLD PRESSURE –

– COMBINATION GAS VALVE IS FACTORY

COMBINATION GAS VALVE IS FACTORY

COMBINATION GAS VALVE IS FACTORY

COMBINATION GAS VALVE IS FACTORY SET

SET

SET

SET

1.

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

Outlet Pressure T

Outlet Pressure T

Outlet Pressure T

Outlet Pressure Tap

ap

ap

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

the nipple. Turn on the gas supply.

Pressure Regulator Adjustment
(under cap screw)

1/8” NPT
Inlet Pressure
Tap with 3/16” Hex
Allen Wrench Plug

1/8”NPT
Outlet Pressure
Tap with 3/16” Hex
Allen Wrench Plug

Gas Control
Knob

Wiring
Terminals (2)

Ground
Terminals (2)

OUTLET

INLET

CAUTION
Never jumper these terminals. This
shorts out valve coil and may burn
out heat anticipator in thermostat.

STEP-OPENING
GAS CONTROL VALVE

ON

OFF

MV

MV

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

MUST BE

MUST BE

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

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.

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

to

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

NOTE:

NOTE:

NOTE:

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

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

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

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

This manual is related to the following products: