Weil-McLain LGB-5 دليل المستخدم

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LG LGB B
Gas–fired boiler
LGB
LG LGB B
Control Supplement Control Supplement Control Supplement
Control Supplement Control Supplement
LGB LGB-4 -4 LGB LGB-5 -5
LGB LGB LGB-4 -4 -4 & LGB LGB LGB-5 -5 -5 Series 2 – Natural gas
Universal Control System
Contents
Installation .......................2
Gas piping.........................3
Wiring ...............................4
Operating instructions .....6
Verification testing ..........7
Parts .................................8
Refer to
LGB LGB LGB

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LGB LGB LGB-4 -4 -4 & 5 5 5 • Control Supplement  UCS  Nat. Gas LGB LGB-4 -4 5 5 I Installation Install pilot burner. See Figures 1a and 1b. Follow Figure 1b for pilot burner location, placing the burner with pilot bracket in the fourth position from the left for the LGB-4 and the fifth position from the left for the LGB-5, as shown. Install gas controls and ignition control as shown in Figure 3 on page 7. In Canada — mount rating plate on interior jacket panel. Figure 1a Pilot burner a

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LGB LGB LGB-4 -4 -4 & 5 5 5  Control Supplement  UCS  Nat. Gas LGB LGB-4 -4 5 5 II Gas piping 1. Size natural gas piping from Table 1. Size piping to provide proper inlet pressure to gas Supply pipe sizing valve when operating at rated input. a. Inlet gas pressure to manual main shut-off gas valve minimum 5" W.C., maximum 13" W.C. b. If pressure to gas valve exceeds 13" W.C., install 100% lock-up gas pressure regulator upstream of hand valve. c. To obtain approximate cubic feet per hour

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LGB LGB LGB-4 -4 -4 & 5 5 5  Control Supplement  UCS  Nat. Gas LGB LGB-4 -4 5 5 III Wiring Part Number 550-141-918/0304 4

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LGB LGB LGB-4 -4 -4 & 5 5 5  Control Supplement  UCS  Nat. Gas LGB LGB-4 -4 5 5 For your safety, turn off power supply before making Figure 2 Wiring diagram electrical connections to avoid possible electrical shock hazard. Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation resulting in servere personal injury, death or substantial property damage. Wiring All wiring must be installed according to requirements requiremen

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LGB LGB LGB-4 -4 -4 & 5 5 5  Control Supplement  UCS  Nat. Gas LGB LGB-4 -4 5 5 IV Operating instructions A. This boiler is equipped with an ignition device which automatically lights the pilot. Do not try to light the pilot by hand. B. BEFORE OPERATING, smell all around the boiler area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor. WHAT TO DO IF YOU SMELL GAS • Do not try to light any appliance. • Do not touch any electric

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LGB LGB LGB-4 -4 -4 & 5 5 5  Control Supplement  UCS  Nat. Gas LGB LGB-4 -4 5 5 V Verification testing Before starting boiler for the first time and at least annually (during annual inspection and start-up), follow the procedures below to verify boiler controls are operating correctly and that automatic gas valve properly shuts off gas flow. Failure to verify boiler operation could result in severe personal injury, death or substantial property damage. Manual test firing This boiler is e

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LGB LGB LGB-4 -4 -4 & 5 5 5  Control Supplement  UCS  Nat. Gas LGB LGB-4 -4 5 5 VI Parts list Figure 3 Control and gas components Weil-McLain 500 Blaine Street Michigan City, IN 46360-2388 http://www.weil-mclain.com Part Number 550-141-918/0304 8