Weil-McLain EGH-105, EGH-125 manual Replacement parts steam boilers, Steam boiler assembly

Page 34

EGH-105 to EGH-125 Control Supplement

X Replacement parts — steam boilers

Figure 15 Steam boiler assembly

18	17	19

	21
	20	13
24	20	14
24		15
		15
		12

	V		V
	M		V
	MV/P
	PV
			M
	ALARM
	ALAR
	24	V
	24
			D)
	4 V		(GN
	4 V		E
	2		E
	SENS
			K
	SPAR

11

23b

22	16
22
16
23a
7	7
25

	6
5	1
5

8

2

10

8a

9

677-13

34	Part Number 550-110-677/0299

Image 34

Contents Control Supplement Please read this page first Carton guide Boiler cartonsInstallation Gas train assemblyInstall optional vent damper if supplied Vent damper assembliesII Piping connections III Install boiler controls water boilersWater boiler connections IV Optional heaters steam boilers only III Install boiler controls steam boilersSteam boiler connections VI Wiring Gas pipingVI Wiring sequence of operation Call for heatWiring water boilers Water boiler wiringSchematic Wiring Diagram VI Wiring water boilers Control assembly water boilerCSD-1 control panel VI Wiring steam Gravity returnSchematic Wiring Diagram Control assembly steam, gravity return 13aCSD-1 control panel Pumped return Schematic Wiring Diagram Control assembly steam, pumped return Terminal strip VII Final adjustments Before proceeding To place boiler in operationVII Final adjustments operating instructions Operating instructionsViii Check-out procedure operation Viii Check-out procedure leak test Leak test procedureViii Check-out procedure troubleshooting Verify proper operation after servicingReplace pilot assembly TS-2 No Spark System boiler with vent damper does not work Not OK TS-3 Pilot lights Main valve will not come on from previous IX Service and maintenance Replacement parts water boilers Water boiler assemblyWater boiler replacement parts RV20VLReplacement parts steam boilers Steam boiler assemblySteam boiler replacement parts RV20VLWeil-McLain Blaine Street Michigan City,