Operating instructions

7
Specifi cations
This appliance is certifi ed to ANSI Z21.88-2009/CSA 2.33-2009 American National Standard
/ CSA Standard for Vented Gas Fireplace Heaters for use in Canada and USA, and to CGA
2.17-91 High Altitude Standard in Canada. This appliance is for direct vent installations.
Conversion between fuels may only be done using the approved conversion kits listed on
page 33. This appliance complies with CSA P4.1-09 Testing method for measuring annual
fi replace effi ciencies.
The installation must conform to local codes or, in the absence of local codes, with the
National Fuel Gas Code, ANSI Z223.1 or the Natural Gas and Propane Installation Code
CAN/CGA-B149. Only qualifi ed licensed or trained personnel should install this appliance.
This appliance, when installed with the optional circulating fan kit (blower), must be
electrically grounded in accordance with local codes, or, in the absence of local codes, with
the National Electrical Code, ANSI/NFPA 70 or the Canadian Electrical Code, CSA C22.1.
Ratings
Model (Field convertible Top or Rear Vent Outlet) MF28ILN MF28ILP
Gas Natural Propane
Altitude (Ft)* 0-4,500 feet*
Input Maximum (Btu/h) 28,000 28,000
Input Minimum (Btu/h) 6,500 14,500
Manifold Pressure (in w.c.) 3.75 10.5
Minimum Supply Pressure (in w.c.) 5.0 11.0
Maximum Supply Pressure (in w.c.) 11.0 14.0
Main Burner Injector Marking 82-750 92-300
Pilot Injector Marking 35 27
Input ratings are shown in BTU per hour and are certifi ed without deration for elevations up
to 4,500 feet (1,370 m) above sea level.
For elevations above 4,500 feet (1,370 m) in USA, installations must be in accordance with
the current ANSI Z223.1 and/or local codes having jurisdiction. Heating value of gas in some
areas is reduced to compensate for elevation—consult your local gas utility to confi rm.
For installations at elevations above 4,500 feet (1,370 m) in Canada, please consult
provincial and/or local authorities having jurisdiction.
Heater engine MF28ILN is used with natural gas.
Heater engine MF28ILP is used with propane gas.
The supply pressure must be between the limits shown in the Ratings section above.
The supply connection is 3/8” NPT female.
The Madrona stove does not require an electrical power source unless it is fi tted with an
optional circulating fan—see page 19.
*High
Altitude
Installations
Supply Gas
Electrical
Approval &
Codes
3/8” N.P.T.
Female
3/8” N.P.T.
5/16” O.D.
tubing
5/16”
fl are