Emerson 36J54, 36J22, 36J24, 36J55 Pressure Regulator Adjustment, Single Stage Valve

ADJUSTMENT

PRESSURE REGULATOR

ADJUSTMENT

These controls are shipped from the factory set for Natural Gas with the regulator set as specified on the control label. Consult the appliance rating plate to ensure burner manifold pressure is as specified. If another outlet pressure is required, follow these steps. For LP gas conversion, use LP conversion kit.

NOTE

NATURAL GAS

Single Stage Models – Outlet pressure will be factory-adjusted in the 2.5" to 5" range. The valve cannot be adjusted outside this range.

Two-Stage Models: Low outlet pressure will be factory- adjusted in the 1 to 4" W.C. range and high outlet pressure will also be factory-adjusted in the 2 to 5" W.C. range.

The valve cannot be adjusted outside this range and the high outlet pressure setting must always be set at least 1" above the low outlet pressure setting.

OUTLET PRESSURE ADJUSTMENT

1.Turn off all electrical power to the system.

2.Back outlet pressure test screw out one turn, counterclockwise, not more than one turn. (see fig. 8)

3.Attach a hose and manometer to the outlet pressure boss of the valve.

4.Turn on system power. Set thermostat to call for heat (low stage for two-stage systems). Main burner should light. Proceed to step 7 for single stage systems.

5.(2-stage only) Remove regulator cover screw from the low outlet pressure regulator adjust tower (fig. 8) and turn screw clockwise

( ) to increase pressure, or counterclock-

wise ( ) to decrease pressure. Always adjust regulator according to original equip- ment manufacturer's specifications listed on the appliance rating plate. Replace regulator cover screw.

6.(2-stage only) Set thermostat to call for high stage.

7.Remove regulator cover screw from the single stage or high outlet pressure regulator adjust tower (fig. 8) and turn screw clockwise

( ) to increase pressure, or counterclock-

wise ( ) to decrease pressure. Always adjust regulator according to original equip- ment manufacturer's specifications listed on the appliance rating plate. Replace regulator cover screw.

8.Turn off all electrical power to the system.

9.Remove manometer hose and turn outlet pressure test screw in to seal pressure port (clockwise, 7 in-lb minimum).

10.Turn on electrical power to the system.

11. Turn on system power and energize valve.

12.Using a leak detection solution or soap suds, check for leaks at pressure boss screw. Bubbles forming indicate a leak. SHUT OFF GAS AND FIX ALL LEAKS IMMEDIATELY.

Regulator	Regulator Cover Screw
Cover Screw
Plastic	Plastic Adjust Screw
Adjust Screw
Regulator	Regulator Spring
Spring

Single Stage Valve Two-Stage Valve

Fig. 8

6