Weil-McLain WMBC-1A Benutzerhandbuch

Part Number 550-141-807/0298

4

LGB

(Series 2) — Control Supplement

16

13

15

17

18

18

14

12

11

10

9

7

6

5

4

3

2

1

Boiler Jacket

V

ent to Outside

Atmosphere

Drip L

eg

Service V

alve

9

Second motorized gas valve w/ on/off actuator

1

Manual main shut-off gas valve

2

Low gas pressure switch

3

Pilot manual shut-off valve

4

Motorized gas valve w/ on/off actuator

5

Pilot gas pressure regulator

6

Normally open solenoid vent valve

7

Pilot solenoid gas valve

8

Test cock

10 Manual leak checking gas valve

11 Regulating diaphragm gas valve (two stage)

12 High gas pressure switch

13 Main flame sensor

14 Main burner with main flame sensor bracket

15 Pilot burner

16 Main burner with pilot burner bracket

18 Pipe flanges

17 Adapter, for N. O. vent valve

GAS PIPING DIAGRAM - LGB (Series 2)

IRI Gas Train

8

Installation

Figure 4

IRI gas train schematic