Utica Boilers MGB Series II/MGC Series 安装指导

20

1. STOP! Read the safety information above. 
2. Set the thermostat to lowest setting.
3. Turn off all electric power to the appliance.
4. This appliance is equipped with an ignition device 

which automatically lights the pilot. Do not try to 

light the pilot by hand.

OFF

ON

GAS CONTROL KNOB

PILOT ADJUSTMENT

(UNDER CAP SCREW)

PILOT 

OUTLET

WIRING

TERMINALS (2)

INLET

PRESSURE 

TAP

TERMINALS 

(2)

GROUND

PRESSURE

TAP

PRESSURE REGULATOR ADJUSTMENT

(UNDER CAP SCREW) 

OUTLET 

5. Remove lower front panel.

6. Rotate the gas control knob clockwise 

   to 

“OFF”.

7.  Wait five (5) minutes to clear out any gas. Then  

smell for gas, including near the floor. If you smell  

gas, STOP! 

Immediately call your gas supplier 

from a neighbor’s phone. Follow the gas 

supplier’s instructions

. If you don’t smell gas, 

go to next step.

8.  Rotate gas control knob counterclockwise 

 to 

“ON”.

9.   Replace lower front panel.
10. Turn on all electric power to the appliance. 
11. Set thermostat to desired setting.
12. If the appliance will not operate, follow the 

instructions “To Turn Off Gas To Appliance” and call 

your service technician or gas supplier.

TO TURN OFF GAS TO APPLIANCE 
1.   Set the thermostat to lowest setting.
2.   Turn off all electric power to the appliance if 

service is to be performed.

3.   Push in gas control knob slightly and turn 

clockwise 

   to “OFF” Do not force.

• This appliance is equipped with an ignition 

device which automatically lights burner. Do 

• Before operating smell all around appliance 

area for gas. Be sure to smell next to floor 

because some gas is heavier than air and 

will settle to the floor.

shutoff valve. Never use tools. If valve 

will not turn by hand, do not try to repair 

it, call a qualified service technician. Force 

or attempted repair may result in fire or 

explosion.

has been under water. Immediately call 

a qualified service technician to inspect 

appliance and to replace any part of control 

system and any gas control which has been 

under water.

  

A.  This appliance is equipped with an ignition device 

which automatically lights the pilot. Do not try to 

light appliance by hand.

WHAT TO DO IF YOU SMELL GAS

• Do not try to light any appliance.
• Do not touch any electrical switches; do not 

use any phone in your building.

• Immediately call your gas supplier from a 

neighbor’s phone. Follow the gas supplier’s 

instructions. 

• If you cannot reach your gas supplier, call 

the fire department.