Nordyne SERIES M1B Manuel D’Utilisation

3

Safety markings are used frequently throughout 
this manual to designate a degree or level 
of seriousness and should not be ignored. 
WARNING indicates a potentially hazardous 
situation that if not avoided, could result in 
personal injury or death. CAUTION indicates 
a potentially hazardous situation that if not 
avoided, may result in minor or moderate injury 
or property damage.

•  Use only with type of gas approved for this 

furnace. Refer to the furnace rating plate.

• Install this furnace in accordance to the 

minimum clearances to combustible materials 
listed in Table 1 (page 5).

•  Provide adequate combustion air to the furnace 

space as specifi ed on page 23.

• Combustion products must be discharged 

outdoors. Connect this furnace to an approved 
vent system, as specifi ed on pages 13 - 14.

•  Never test for gas leaks with an open fl ame. 

Use a commercially available soap solution to 
check all connections (page 18).

•  This furnace is designed to operate with a 

maximum external pressure rise of 0.5 inches 
of water column. Consult Table 8 (page 38), 
and the rating plate for the proper circulating 
air fl ow and temperature rise.

  NOTE: It is important that the duct system be 

designed to handle the desired fl ow rate and 
external pressure rise. An improperly designed 
duct system can result in nuisance shutdowns, 
and comfort or noise issues.

•  This furnace may not be used for temporary 

heating of buildings or structures under 
construction.

•  When supply ducts carry air circulated by the 

furnace to areas outside the space containing 
the furnace, the return air shall also be handled 
by duct(s) sealed to the furnace casing and 
terminating outside the space containing the 
furnace. See page 14.

This furnace must be installed in accordance with 
these instructions, all applicable local building 
codes and the current revision of the National 
Fuel Gas Code (NFPA54/ANSI Z223.1) or the 
Natural Gas and Propane Installation Code, 
CAN/CGA B149.1.

CE générateur d’air chaud doit être installé 
conformément aux instructions du fabricant 
et aux codes locaux. En l’absence de code 
local, respecter la norme ANSI Z223.,1, 
institulé National Fuel Gas Code ou les codes 
d’installation CAN/GCA-B149.

The Commonwealth of Massachusetts requires 
compliance with regulation 248 CMR 4.00 and 
5.00 for installation of through – the – wall vented 
gas appliances as follows:

1. For direct-vent appliances, mechanical-

vent heating appliances or domestic hot 
water equipment, where the bottom of the 
vent terminal and the air intake is installed 
below four feet above grade the following 
requirements must be satisfi ed:

Notice to Installer
Installer is advised to carefully follow all 
instructions and warnings in this manual to insure 
maximum performance, safety, and operating 
efficiency of these appliances. Improper 
installation may create hazardous conditions, 
and will void the appliance warranty.