FEATURES
• Fully modulating for ultra high efficiency (92%)
• Lowest possible operating cost. Rapid return on investment.
• Stainless steel construction
• Maximum reliability
• Compact design installs virtually anywhere - zero
clearance to combustibles
• Lightweight design can be installed by one person
and shipped via Parcel Service.
• Direct vent with PVC pipe
• Less expensive to install.
• No chimney required!
• Quiet operation
• State-of-the-art control
• Self-diagnostic microprocessor control simplifies
service.
• Reliable field-proven spark ignition - Constant dependable
operation
• Each unit is inspected for 100% quality satisfaction
• Superior quality
• Safe, sealed combustion
• Environmentally friendly–low emissions to environment
• Easily maintained 12 year limited warranty
• Operates at low supply temperature–no bypass
valve controls needed
HOW
IT OPERATES
When the
room thermostat calls for heat, the Munchkin boiler control
board will start the pump and start to monitor the return
water temperature of the system before the heater will begin
to heat the water. Once the controller has sensed a drop in
the return water temperature below the temperature set point
minus the differential set point, the Munchkin boiler will
start to heat the water. This eliminates the boiler starting
every time the thermostat calls for heat. This feature keeps
the system from short cycling.
Once the
system has sensed the temperature difference, the Munchkin
boiler will activate the blower motor for 5 seconds to prepurge
the system before starting the Munchkin boiler. The Munchkin
boiler controller will now start to modulate the premix burner
based on analyzing the return water temperature, supply water
temperature, and the set point temperature. By compiling this
information, the controller utilizes an algorithm to fully
adjust the firing rate while maintaining the desired output
temperature.
The pre-mix
burner fans have a low-voltage direct current drive motor
with a pulse relay counting. This system allows precise control
over the fan speed and combustion air volumes. Coupled with
the Honeywell gas valve and the Venturi system set to provide
a one-to-one ratio of precisely measured volumes of fuel to
air, accurate and instant burner output is achieved. This
keeps the Munchkin boiler running at the highest efficiency.
When the
thermostat is satisfied, the Munchkin boiler will then go
through a 4 second post-purge cycle before shutting off. Every
Munchkin boiler is equipped with an indicator light which
will pulse constantly in normal operation. When a problem
occurs, the indicator light will blink slowly to indicate
the heater fault.
| Model |
Input BTUH |
DOE Capacity |
Shipping Wt. |
A.F.U.E. % |
| T50 |
18,000 - 50,000 |
16,000 - 46,000 |
58 lbs |
92 |
| T80 |
19,000 - 80,000 |
17,000 - 74,000 |
58 lbs |
92 |
| 80M |
27,000 - 80,000 |
25,000 - 74,000 |
75 lbs |
92 |
| 140M |
46,000 - 140,000 |
43,000 - 129,000 |
101 lbs |
92 |
| 199M |
66,000 - 199,000 |
61,000 - 183,000 |
111 lbs |
92 |
|
Superstor
ULRA Stainless Steel Indirect Fired Water Heaters
work
great with Munchkin Boilers! |
Munchkin
Boiler Information
Download
Munchkin Product Brochure
Download
Munchkin 925 Controller
Download
Munchkin Warranty Information
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