UTICA BOILERS JE Installation Manual download pdf (Page 2)

Your commercial boiler is furnished with combustion side

water or steam controls to meet our interpretation of the

American Society of Mechanical Engineers (ASME) Safety

Code for Controls and Safety Devices for Automatically

Fired Boilers, No. CSD-1.

Installation shall conform to the requirements of the

authority having jurisdiction, or, in the absence of such

requirements, to the National Fuel Gas Code, ANSI-Z223.1/

NFPA-54 (latest revision). Where required by the authority

having jurisdiction, the installation shall conform to the

American Society of Mechanical Engineers (ASME) Safety

Code for Controls and Safety Devices for Automatically Fire

Boilers, No. CSD-1.

CSD-1 controls and this installation may be subject to

approval by local inspectors. Additional parts or equipment

may be required. Consult local authorities having

jurisdiction before the installation of the boiler.

CSD-1 controls furnished with commercial boilers are

applicable to boilers with inputs above 400,000 Btu/hr.

(Models 500-1500)

Additional parts required by CSD-1 standards may be

necessary to make this boiler compliant. This supplemental

instruction manual should be used in conjunction with the

Installation, Operation and Maintenance manual for your

specic boiler.

CSD-1 Component Installation

Based on parts listed in Installation, Operation and

Maintenance manual for your particular boiler, the following

changes should be made:

Complete Boiler Material List - See Table #1: CSD-1

Complete Boiler Material List.

Combustion Side Control :

• Models 300 and 400, no changes are required to

existing gas trains.

• Models 500 through 1500 requirements include:

A. Intermittent pilot control module is required to

have maximum 15 second pilot ame establishing

period and ability to perform safety shutdown and

lockout in event of loss of ame signal at pilot.

B. The intermittent pilot module and manual reset

switch are used to replace the existing pilot

module.

C. Also, an independent pilot gas line which includes

manual shutoff valve, pressure regulator and

safety shutoff valve, two leak test valves on

main gas valve, and manual shutoff valve located

downstream of the main gas valve are added. See

See Table #2: CSD-1 Component Carton Material List

for component carton material list which replaces the

corresponding list in the installation manuals.

• See Table #3: CSD-1 Electronic Ignition Base Material

List.

• Installed locations of additional components see Figures

1a and 1b.

For CSD-1 combustion side control, light off sequence is as

follows:

Turn on power. Set thermostat to call for heat.

Ignition starts to spark and lights pilot ame.

Ignition continues sparking about 12 seconds after pilot

lights.

Main burners ignite.

NOTICE

A longer pilot ame recognition time is a design

feature of this module and is correct.

Gas Pressure Requirements

• Maximum allowable inlet gas pressure (natural gas

only) to controls in CSD-1 gas train is 14” w.c. (½

psig).

• Verify inlet gas pressure is at least 5” w.c. but no

greater than 14” w.c.

• If gas pressure entering the building is greater than 14”

w.c., installing contractor must provide overpressure

protection on downstream piping to prevent buildup of

downstream pressures in excess of 14” w.c. in event

the fuel system pressure regulator fails.

• Alternatively, gas pressure entering the building may

be reduced with additional gas pressure regulator

outdoors. If inlet gas pressure to this additional

regulator is less than 14” w.c., then overpressure

protection may not be required.

• Consult local authority(s) having jurisdiction before

installing gas supply piping to the boiler.

CSD-1 COMMERCIAL BOILER CONTROLS

WARNING

Fire, explosion, asphyxiation and electrical shock

hazard. Improper installation could result in death

or serious injury. Read this manual and understand

all requirements before beginning installation.

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