Beckett CG4 User Manual download pdf (Page 17)

CG4 Burner Manual

Section: WIRE THE BURNER

Wire the Burner

Install the burner and all wiring in accordance with the

National Electric Code ANSI/NFPA 70 (Canada CSA

C22.1) and all applicable codes and requirements.

Wire the burner in compliance with all instructions and

diagrams provided by the appliance manufacturer.

Verify operation of all controls in accordance with the

appliance manufacturer’s guidelines.

See Figure 13 for a typical wiring

diagram, with the GeniSys 7590.

Maximum fuse size for the 120

Vac 60 Hz electrical power supply

to the burner is 20 Amps.

Keep Service Access

Covers Securely Installed

All covers must be securely in place to prevent

electrical shock, protect against injury from

moving parts and prevent damage from external

elements.

All covers or service access plates must be in place at

all times except during maintenance and service.

This applies to all controls, panels, enclosures, switches,

and guards or any component with a cover as part of its

design.

(3/16” QC)

(1/4” QC)

Igniter

Transformer

Burner

Motor

Gas

Valve

Flame Sensor

Com Port (COM 1)

on side of control

Air Pressure

Switch

AP1

AP2

Burner Ground

Limit

LWCO

(If Required)

Thermal

Switch

L2 (IGN)

Igniter

L2 (MTR)

Motor

TT Terminals on top

of control

Field Wiring

Valve Common

Valve

Sense

24V

24V GROUND

Beckett

7590

Control

120 Vac

60 Hz

Provided by

Installer

W W

Y/W

W/R

Y BK

Figure 13 – Typical CG4 Wiring (Boiler Applications)

Electrical Shock Hazard

Electrical shock can cause severe

personal injury or death.

Disconnect electrical power before installing or servicing the

burner.

Provide ground wiring to the burner, metal control

enclosures and accessories. (This may also be required to

aid proper control system operation.)

Perform all wiring in compliance with the National Electrical

Code ANSI/NFPA 70 (Canada CSA C22.1)

Explosion, Fire and

Asphyxiation Hazard

Tampering with, or bypassing safety

controls could lead to equipment

malfunction and result in asphyxiation,

explosion or re.

Safety controls are designed and installed to provide

protection.

Do NOT tamper with or bypass any safety control.

If a safety control is not functioning properly, shut off all

main electrical power and gas supply to the burner and

call a qualied service agency immediately.

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Beckett CG4 User Manual Page 17

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