Vulcan VSX3E Manuel d'utilisateur télécharger pdf (Page 23)

VSX SERIES STEAMER - SERVICE PROCEDURES AND ADJUSTMENTS

Page 23 of 40

MANIFOLD PRESSURE

ADJUSTMENT

WARNING:

DISCONNECT THE ELECTRICAL

POWER TO THE MACHINE AT THE MAIN

CIRCUIT BOX. PLACE A TAG ON THE CIRCUIT

BOX INDICATING THE CIRCUIT IS BEING

SERVICED.

WARNING:

SHUT OFF THE GAS SUPPLY

BEFORE SERVICING THE UNIT.

1. Remove right side panel as outlined under

"COVERS AND PANELS".

2. Remove the 1/4" NPT pipe plug from the

manifold and attach a manometer.

3. Remove the adjustment screw cap to access the

pressure adjustment screw.

A. To increase pressure, turn the screw

clockwise

B. To decrease pressure, turn the screw

counterclockwise

4. Plug in the unit, turn “on” the gas and set the

power switch to “on”. If adjusting pressure on a

double unit, both must be “on” before a pressure

adjustment is made.

NOTE:

Accurate gas pressure adjustments can only

be made with the gas “ON” and the burner lit.

5. After the burner lights, set the pressure as

outline below:

PRESSURE READINGS

(INCHES W.C.)

GAS TYPE MANIFOLD

LINE

RECOMMENDED MIN MAX

NATURAL 3.5 7.0 5.0

PROPANE 5.0 11.0 7.0

* If the incoming line pressure is

less than

the

minimum stated, then the manifold pressure can not

be set correctly.

6. Once the correct pressure has been set, turn the

power switch “off”, replace the adjustment

screw cap and manifold pipe plug.

7. Check unit for proper operation.

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Vulcan VSX3E Manuel d'utilisateur Page 23

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