Weil-McLain EGH-105 User Manual
CSD-1 control system — Natural gas
Part Number 550-110-677/0299
3
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.
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
Trim & controls (see below)
Water, CSD-1 — or —
381-700-406
381-700-406
381-700-406
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.
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
Gravity return
Gravity return
Steam trim and control carton
Pumped return
Pumped return
Water trim carton
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
Pressure/temperature gauge
Gauge glass and valves
Gauge glass and valves
Brass cross, brass nipple, bushings (3) and
siphons (3) for mounting pressure controls
and gauge
siphons (3) for mounting pressure controls
and gauge
Brass cross, brass nipple, bushings (3)
and siphons (3) for mounting pressure
controls and gauge
and siphons (3) for mounting pressure
controls and gauge