Slant-Fin Monitron EH Boilers User Manual
A major answer to the changing heating-fuel situation
HOT WATER MODELS IN 9 SIZES
8 kw (27,301 Btuh) to 40 kw (136,506 Btuh)
Before purchasing this appliance,
read important energy cost and
efficiency information available
from your contractor.
Monitron Compact, easy to install for new or “standby” installations
TM
Monitron combines the availability and dependability of electricity with the
comfort and performance of conventional hydronic heating using baseboard,
radiant or cast-iron radiators.
Monitron as a replacement unit: Works with virtually any existing
hot water hydronic radiation system. Although rated in kilowatts, it is
also clearly identified by BTU output.
Monitron as a standby unit: Particularly suitable for commercial
and industrial facilities, or office buildings which can’t risk down-time
with their existing heating equipment. If oil or gas is temporarily unavailable, the owner easily switches the heating system to the electric boiler.
Monitron as a primary heating unit offers:
• The convenience of electricity and the comfort of hydronics.
• The elimination of a chimney.
• Competitive pricing with electric baseboard systems.
• Simple zoning by zone valves.
Monitron by Slant/Fin is the electronic-age boiler designed to save
energy for new or existing heating systems.
TO ZONE VALVE
TRANSFORMER
WHEN USED
TYPICAL WIRING DIAGRAM
Monitron installed as primary boiler.
America’s Best - Built Electric Boiler
• One piece cast-iron heat exchanger.
• Built in air eliminator.
• Internal baffles improve heat transfer.
Energy-saver
electric sequential control package
With manual mild-weather energy-saver switches *
NORMAL OPERATIONS
When the thermostat calls for heat, the circulator turns on and the
first electric heater bank is energized. At preset 30-second intervals,
the other heater banks automatically energize. The circulator continues operating until the room thermostat is satisfied. A flow switch
supplied by Slant/Fin or others is required. It prevents the elements
from being energized unless the circulator is operating. This avoids
element burnout.
* All models except EH-8 and EH-10
OPTIONAL MILD-WEATHER OPERATION
Mild-weather energy savings are made possible through the use of
circuit breakers on the breaker panel.This permits the owner to
manually switch off one or more of the elements.Then, when just a
moderate amount of heat is needed, all the elements are not energized, cycling is reduced, and overheating is diminished.This energy-saving feature is standard on Monitron models EH-12-S through
EH-40-S.
Standard equipment
• Dual limit aquastat
• Altitude pressure and temperature gauge
• Safety relief valve (unmounted)
• Circulator relay and heater contactors
• Circuit breaker (one or two heaters per breaker)
• Low voltage thermostat with adjustable heat anticipator
(packed separately)
• Drain cock,
• Built-in air separator
3
⁄4 " (packed separately)
• Cast-iron ASME approved heat exchanger
• Terminal blocks for circulator, thermostat, flow switch and
• Sequencer
• Complete jacketing
• U.L. listed, ASME authorized
• Flow switch. Not included with, but necessary on all models
• Circuit breaker for circulator and control circuit.
*
for zone valve transformer
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