Loading ...
Loading ...
Loading ...
5
INTRODUCTION
• This manual provides information necessary for the installation, operation, and maintenance of the
boiler.
• The model description is listed on the rating plate which is attached to the side panel of the boiler.
• Please read all instructions completely before installing this product.
• If you have any problems or questions regarding this equipment, consult the manufacturer or its
local representative.
• This equipment is a condensing micro boiler designed to efciently supply endless hot water for
your needs. (Radiant Heating, or Domestic Water used in-conjunction with Radiant Heating) See
Combi panel for more information on integrating domestic water with your radiant heating system.
• These high efciency models have a built-in secondary heat exchanger that absorbs latent heat
from the exhaust gas.
• These boilers are only to be installed indoors.
• The principle behind condensing micro boilers is easy:
*This diagram illustrates condensing micro boiler design concepts only and does not accurately repre-
sent the boilers physical description.
1. Your thermostat indicates a need for heat and turns on the circulator pump(s).
2. Water ows through the boiler.
3. The ow sensor detects the water ow.
4. The computer initiates the fan motor and sends a signal to the igniter to create an ignition spark.
5. The gas ignites and ames appear within the burner chamber.
6. Water circulates through the heat exchanger and then gets hot.
7. Using thermistors to measure temperatures throughout the micro-boiler, the computer modulates
the gas and water valves to ensure proper output water temperature.
8. When your room reaches desired temperature the pumps turn off and the boiler shuts down.
Exhaust
Secondary
heat exchanger
Condensate
drain port
Gas
Cold water inlet
Hot water outlet
Fan motor
Gas valves
Computer board
Thermistor
Thermistor
Bypass valve
Primary
heat exchanger
Intake port
Exhaust thermistor
Thermistor
Water control valve
Flow sensor
Burners
Loading ...
Loading ...
Loading ...