Weil-McLain EGH-125, EGH-105 manual CSD-1 control panel

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Part Number 550-110-677/0299

	1	CSD-1 control panel

	2	Ignition control

	3	Impulse relay and lighted push-button alarm
	3	silencing switch
		silencing switch

	5	Transformer/relay

	6	Junction box

	7	Damper (optional)

	8	Damper connector

	9	Dummy plug

	10	Damper harness

	11	Main gas valve

	12	Manual gas valve

	13	Pilot gas valve

	13a	Pilot gas pressure regulator

14Pilot shutoff valve

15Leak test valves with plugs

16Gas supply connection

17Burner manifold

18Limit control, auto reset

19Limit control, manual reset

20Pressure/temperature gauge

21Wire harness

22Pilot spark & sense wires

23Pilot gas tubing

24Circulator, by others

Probe LWCO, Manual reset (Mount in sup-

25ply or return piping above top of boiler between boiler and any isolation valve(s).)

EGH-105 to EGH-125 Control Supplement

CSD-1 control system — Natural gas

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Contents Control Supplement Please read this page first Boiler cartons Carton guideGas train assembly InstallationVent damper assemblies Install optional vent damper if suppliedII Piping connections III Install boiler controls water boilersWater boiler connections IV Optional heaters steam boilers only III Install boiler controls steam boilersSteam boiler connections Gas piping VI WiringCall for heat VI Wiring sequence of operationWater boiler wiring Wiring water boilersSchematic Wiring Diagram Control assembly water boiler VI Wiring water boilersCSD-1 control panel Gravity return VI Wiring steamSchematic Wiring Diagram 13a Control assembly steam, gravity returnCSD-1 control panel Pumped return Schematic Wiring Diagram Control assembly steam, pumped return Terminal strip Before proceeding To place boiler in operation VII Final adjustmentsOperating instructions VII Final adjustments operating instructionsViii Check-out procedure operation Leak test procedure Viii Check-out procedure leak testVerify proper operation after servicing Viii Check-out procedure troubleshootingReplace 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 Water boiler assembly Replacement parts water boilersRV20VL Water boiler replacement partsSteam boiler assembly Replacement parts steam boilersRV20VL Steam boiler replacement partsWeil-McLain Blaine Street Michigan City,