Industrial Electro Boilers Large Specifications Sheet

Product Specifications
The electric hot water boiler shall be an Electro Industries, Inc. model number EB-NB-_______. The Boiler output shall be ____
___ Btu/h or _____kW at _____ volts three phase. Wiring within the main cabinet shall be rated at 75°C or higher. Aluminum
or copper conductors may be used for fi eld installed power wiring. The boiler shall include provisions to connect directly to utility
load control. The boiler shall include a dedicated 15A 120V single phase control circuit (general service).
As a preferred option the boiler (dependant upon kW) shall be wired using (2) three phase delta feeds without neutral (unbonded
neutral) within the dedicated utility transformer XO terminal. All Delta 3-phase require optional Bender fault monitor.
The vessel shall be wrapped with 3” insulation. The vessel shall be enclosed in a 14 gauge fully enclosed cabinet. The cabinet and
vessel shall be attached to a 10 gauge structural steel base. The base inlcudes integral fork pockets for easy maneuvering during
installation. Both base and cabinet shall be painted with powder coated enamel. The cabinet shall include a full length hinged
door with an included lockable T-handle. The inside dead front panel shall include an integral door safety interlock switch.
The vessel shall have a capacity of 40 gallons. The vessel shall be “H” stamped and National Board registered with a maximum
working pressure of 30 or 125 PSI. The Vessel shall have 3” NPT threaded inlet and outlet nozzles. The outlet nozzle shall be
located on the top of the vessel. The inlet nozzle shall be located on the left side of the vessel.
The immersion heating elements shall be installed in the top of the vessel and threaded into vessel for easy servicing (water
draw-down not required). The heating elements shall be constructed using incoloy sheathing for long service life. The low-watt
density heating elements shall be 30” in length. The cabinet shall have a split cover top for easy access to the heating elements.
Contactors used to operate the heating elements shall be rated for 500,000 cycles.
The boiler shall include mounted control enclosure. The control enclosure shall contain all boiler controls and adjustments.
Operator is not required to enter main cabinet for resets or other functions. A window shall be included on the door of the
control enclosure to permit viewing of monitor and alarm LED’s. The control assembly shall include a six function alarm LED. The
sequencer shall include provisions for stage rotation. An optional emergency stop switch can be included in the control assembly
upon request. The boiler shall include a 5-year limited warranty on the vessel and a 1-year limited warranty on the parts. The
boiler shall be fully tested using standard UL834 and shall bear the CSA mark.
Standard Equipment
Circuit breakers, each stage
Manual reset hi-limit - 220° F
Auto reset limit control - 210° F
Low water cut-off with manual reset
ASME pressure relief valve, 30 or 125 psi (design
pressure specifi ed when placing order)
Pressure/temperature gauge
Drain pipe
3” NPT inlet and outlet, with inspection opening
Incoloy sheathed heating elements, vessel top screw-in
Staging indicator lights, at contactor
Main supply circuit lugs
Safety door interlock and lockable door latch
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Control Box includes:
Contains all boiler controls and adjustments
Bender fault monitor (optional)
Manual reset low water cut-off
Hi-limit reset button
Temp Sensing & Alarm board
T775R controller (optional)
Alarm and alarm LED’s
Sequencer up to 15 stages
Progressive staging delay time
0-10VDC for external boiler control
Built-in load management controls
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