Beckett CG15 Дополнение к руководству

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COMMERCIAL PRODUCTS

Professional Installation and Service Required

Incorrect installation and mishandling of startup could lead to equipment malfunction

and result in asphyxiation, explosion, or fire.

y This Gas Burner Supplement shall be used in conjunction with the Beckett 6104 BCG50 Installation Manual.

y This burner shall only be installed and prepared for startup by a qualified service technician who is trained and

experienced in commercial gas burner system installation and operation.

y Carefully follow the wiring diagrams, control instruction sheets, flame safeguard sequence of operation, test procedures

and all appliance manufacturer's directions that pertain to this installation.

y Perform all wiring in accordance with the National Electric Code ANSI/NFPA 70, Canada CSA C22.1 and all authorities

having jurisdiction.

y If any of these items are not clear or are unavailable, call Beckett at 1-800-645-2876 for assistance.

Figure 1

same for all 3 signal types.

I. Introduction

The CG15, CG25, and CG50 gas burners are available

in three optional configurations that can be controlled

by the three most popular modulation control signals:

135 Ohm, 4 – 20 mA, or 2 – 10 VDC. All three of these

options use the Siemens SQM40 actuator for damper

control. The SQM40 accepts any of those signals, so the

difference between burners using any of those control

signals is internal wiring of the burner, the control signal

Gas Burner Manual Supplement

CG15 / CG25 / CG50 Optional Modulation Control Systems

Operator controls are the

connections you make, and trim adjustments. When

operating with any of these signals, the burner's firing

rate responds in a direct proportional control manner,

making them well suited for use with lead/lag or building

automation system controls. The standard burner

configuration for these modulation systems is with the

junction box (shown in Figure 1 ), but a panel enclosure

is optionally available.

Siemens SQM40 actuator