4211-195 05-22-12
Page 8
AI
SERIES STEAM BOILER WITH T100 CONTROL
INSTALLATION INSTRUCTIONS
ALL MODELS
12, 18 and 24 kW MODELS 30, 36, 42 and 48kW MODELS
Low Water Cutoff
(optional)
Safety Relief Valve
3/4NPT
Steam Outlet
1/2NPT
Feed Water Inlet
1/2NPT
Drain Outlet
3/4NPT
Remove Cover
to Access
ASME and NB Plate
Descalant Port
3/4NPT
Pressure Switches (access from far side)
17-1/2in (444mm)
18in (460mm)
Minimum Access
21in (533mm)
Minimum Access
with optional LWCO
installed
41in (1.04M) without LWCO
61in (1.55M) with LWCO
1in (25mm)
Minimum Clearance
without LWCO
ELECTRICAL
ACCESS
LWCO ACCESS
2 1/4in (57mm)
5 1/2in (140mm)
20in
(508mm)
25in
(635mm)
23 1/2in
(597mm)
6in (150mm) Minimum Service Access
Electric Power
Low Voltage
Control Wiring
Run Timer
(optional)
Drain Timer
(optional)
14 3/4in [375mm]
22in [560mm]
20 3/4in [527mm]
28in [711mm]
LEVEL
PROBE
ACCESS
LEVEL
PROBE
ACCESS
MINIMUM SERVICE ACCESS
MINIMUM SERVICE ACCESS
ELECTRICAL
ACCESS
ALL MODELS
ALL MODELS
8in [200mm]
18in [460mm]