Weil-McLain EGH-125 Carton guide, CSD-1control system - Natural gas, Comments, EGH-105, EGH-115

CSD-1 control system — Natural gas

Carton guide

Table 1 Boiler cartons

Verify that the correct cartons are available before beginning assembly. Note that the Base assembly and Trim & controls cartons for CSD-1 are special. The CSD-1 ignition control panel (in Base assembly carton) consists of ignition control module, impulse relay and lighted push-button switch mounted and wired on a panel base.

Carton	Comments		EGH-105		EGH-115	EGH-125
Section assembly (a)	With tankless opening		321-711-120		321-711-130	321-711-140
	Without tankless opening		321-711-125		321-711-135	321-711-145
Base assembly (b)	CSD-1		381-700-400		381-700-402	381-700-404
Base panels			381-700-250		381-700-255	381-700-260
Jacket			411-800-280		411-800-290	411-800-300
Collector hood			450-014-752		450-014-753	450-014-754
Draft hood			450-206-242		450-206-243	450-206-244
Float low water cutoff (steam)	Gravity return (M&M #67W-1)		381-700-341		381-700-341	381-700-341
	Pumped return (M&M #42-A)		511-114-531		511-114-531	511-114-531
Vent damper (optional) (c)			381-800-446		381-800-447	381-800-447
Tankless heater (optional)	Steam boilers only		386-700-350		386-700-350	386-700-350
	Water, CSD-1 — or —		381-700-406		381-700-406	381-700-406
Trim & controls (see below)	Steam, CSD-1, gravity return — or —		381-700-408		381-700-408	381-700-408
	Steam, CSD-1, pumped return		381-700-410		381-700-410	381-700-410
Note a — CSD-1 water boilers cannot be equipped with a tankless heater.
Note b — Base assembly includes burner tubes, gas train components, pilot assembly and control panel (with ignition control).
Note c — EGH vent dampers meet ASME CSD-1 requirements (paragraph CF-210(c)) because they comply with ANSI Z21.13.
Steam trim and control carton		Steam trim and control carton		Water trim carton
Gravity return		Pumped return
Pressure limit control, automatic reset		Pressure limit control, automatic reset		Aquastat, automatic reset
Pressure limit control, manual reset		Pressure limit control, manual reset		Aquastat, manual reset
Probe low water cutoff, manual reset		Probe low water cutoff, manual reset		Probe low water cutoff, manual reset
Transformer/relay		Transformer/relay		Transformer/relay
Wire harness, steam gravity return		Wire harness, steam pumped return		Wire harness, water
Crimp spade wire terminations		Crimp spade wire terminations		Crimp spade wire terminations
ASME Relief valve		ASME Relief valve		ASME Relief valve
Pressure gauge		Pressure gauge
Gauge glass and valves		Gauge glass and valves
				Pressure/temperature gauge
Brass cross, brass nipple, bushings (3) and		Brass cross, brass nipple, bushings (3)
siphons (3) for mounting pressure controls		and siphons (3) for mounting pressure
and gauge		controls and gauge
Part Number 550-110-677/0299						3