Weil-mclain LGB-6 EN User Manual download pdf (Page 2)

LGB-6 to LGB-23

Series 2 – Control Supplement

Part Number 550-141-916/0304

1. Assemble pilot burner and flame sensor to main burners with pilot brackets. See Figures 1

and 2 (page 3). Install ground wiring as shown in Figures 1 and 2 (page 3).

2. Reinstall burner assemblies. See Table 1, below for pilot burner and flame sensor locations.

3. Install gas controls and ignition control panel as shown in Table 2, below and Figure 5 on

page 10.

4. LGB-21 through LGB-23 require High Gas Pressure Switch Control Carton - 7" and 5" W.C.

Attach pressure switch to interior jacket panel. See Figure 5 on page 10.

5. Canada only - mount rating plate on interior jacket panel.

Table 1

Pilot burner and flame sensor

locations

Table 2

Gas control arrangement

No. 1 No. 2 No. 1 No. 2 No. 1 No. 2 No. 1 No. 2

LGB-6 2--9--LGB-15 2161327

LGB-7 2--11--LGB-16 2181529

LGB-8 2--13--LGB-17 2181531

LGB-9 2--15--LGB-18 2201633

LGB-10 2--16--LGB-19 2201634

LGB-11 2--16--LGB-20 2221636

LGB-12 2--16--LGB-21 2221636

LGB-13 2141123LGB-22 2241638

LGB-14 2161325LGB-23 2241638

* From left burner

Flame Sensor* Pilot Burner*

Boiler

Model

Number

Boiler

Model

Number

Flame Sensor* Pilot Burner*

Left base Right base Left base Right base

LGB-6 A and B 1" -- A and B 1 ¼" --

LGB-7 A and B 1" -- A and B 1 ¼" --

LGB-8 C and D 1" -- C and D 1 ¼" --

LGB-9 C and D 1" -- C and D 1 ¼" --

LGB-10 E, F and G 1 ¼" -- E 1 ½" --

LGB-11 E, F and G 1 ¼" -- F and G 2" --

LGB-12 E, F and G 1 ¼" -- F and G 2" --

LGB-13 H 1"1"H 1 ¼"1 ¼"

LGB-14 I 1"1"I 1 ¼"1 ¼"

LGB-15 J 1"1"J 1 ¼"1 ¼"

LGB-16 J 1"1"J 1 ¼"1 ¼"

LGB-17 J 1"1"J 1 ¼"1 ¼"

LGB-18 K 1 ¼" 1" K 1 ½" 1 ¼"

LGB-19 L 1 ¼" 1 ¼" M 1 ½" 1 ½"

LGB-20 L 1 ¼" 1 ¼" N 2" 1 ½"

LGB-21 L1 ¼"1 ¼"O2"2"

LGB-22 L1 ¼"1 ¼"O2"2"

LGB-23 L1 ¼"1 ¼"O2"2"

Inlet Pipe Size

Boiler

Model

Number

W.C.

Carton

Inlet Pipe Size

W.C.

Carton

I Installation

1 2 3 4 5 6 7 ... 11 12

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Weil-mclain LGB-6 EN User Manual Page 2

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