Utica Boilers MGB Series II/MGC Series Operation and Installation Manual

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SERIES 2 – Q3452 Spark Pilot Retrofit

KIT# 550002585

INSTALLATION INSTRUCTIONS

! WARNING

Fire, explosion, asphyxiation and electrical shock hazard. Improper installation could result in death or serious injury. Read this instruction and understand all requirements, including requirements of authority having jurisdiction, before beginning installation. Installation not complete until appliance operation

is verified per Installation, Operation & Maintenance Manual provided with boiler.

This kit is for both natural gas and LP versions. Pilot is shipped for natural gas, a conversion package is included in this kit.

Following instructions for installation of Q3452 Spark Pilot Retrofit Kit for Series 2 Boilers.

1.Follow instructions to TURN OFF GAS TO APPLIANCE found on Operating Instructions label on boiler or in Installation, Operation & Maintenance Manual. Verify all electrical power to boiler is turned off.

! WARNING

Electrical shock hazard. Turn OFF electrical power supply at service panel.

2.Allow boiler to cool for 30 minutes before starting installation.

! WARNING

Burn hazard. Verify heat exchanger and igniter have cooled or use appropriate personal protection equipment before removing pilot.

3.Remove front boiler door.

4.Disconnect spark cables from control board.

5.Disconnect pilot tube from gas valve. Loosen compression fitting located on top of gas valve.

6.Locate current pilot assembly in front of base. See Figure 1.

7.Remove top burner door and burner tubes.

8.Remove two pilot mounting screws holding pilot assembly in place. Remove entire pilot assembly.

9.If this is LP Boiler, convert pilot to LP configuration using enclosed pilot orifice.

10.This step is for 2 section boiler only. Remove pilot assembly from box. Bend pilot tubing as shown in Figure 2 (tight 180º, then 90º back) in order to get it in between upper and lower burner doors.

 

 

Kit# 550002585 Contents

Qty

 

 

 

 

 

 

 

 

 

 

Natural Gas spark/standing pilot assembly

1

 

 

 

 

 

 

 

 

 

 

Pilot Assembly Mounting Screws

2

 

 

 

 

 

 

 

 

 

 

Gas Valve Compression Fitting

1

 

 

 

 

 

 

 

 

 

 

LP Pilot Orifice

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 1 - Base Front (3 Section Shown)

 

Pilot

 

 

 

 

Burner

Mounting

Screws

Door

 

 

 

Lower

Burner

Front

Tubes

Panel

 

 

 

Figure 2 - Bend Pilot Tubing (Shield Not Shown for Clarity)

P/N 240009742 Rev. A [08/2012]

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