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Table 11. A/C Blower Selection
Blower Speed Selection Chart for M1*C Models and
for use with Blower Kit No. 903413 1/2 Hp 4 Speed
Heating Cooling Speed/ Evap Coil
Speed 2-1/2 Ton
Furnace Input Setting & 3 Ton
077, 086, 090 ML L ML MH H
056, 066, 070 L L ML MH H
2 Ton 4 Ton
3-1/2
Ton
Blower Speed Selection Chart for M1*D Models and
for use with Blower Kit No. 903414 and 903890
3/4 Hp 4 Speed
Heating Cooling Speed/ Evap Coil
Furnace Input Speed 2-1/2 Ton 3-1/2 Ton
Setting & 3 Ton & 4 Ton
077, 086, 090 ML L ML MH H
056, 066, 070 L L ML MH H
2 Ton 5 Ton
The furnace must also be equipped with an
automatic damper (See Figures 37 or 38,
NORDYNE p/n 901996 for furnaces without coil
cavity, or p/n 901083 with coil cavity) to prevent
cold air from being discharged up around the
heat exchanger. Cold air may cause conden-
sation inside the heat exchanger which can lead
to rust and early failure.
OPTIONAL ADD-ON AIR CONDITIONING
Ask your dealer or contractor about NORDYNE
add-on central air conditioning systems. There
is a split-system or package air conditioner
designed for your total comfort needs. Whether
split system or single package, an energy-
saving NORDYNE unit is available that has
been designed specifically for manufactured
housing applications and can best handle your
home comfort needs.
Listed and ARI Certified, all models are pro-
tected by the NORDYNE Air Conditioner Lim-
ited Warranty.
Platinum series units are self contained pack-
age units with compressor and cooling coils.
They are designed as a drop in system when
used with the AC ready M1.
Single package unit includes cooling coils, com-
pressor, and vertical discharge fan. This type
of unit connects with the existing home air duct
system (an optional close-off damper is re-
quired with the furnace).
Split system unit with vertical discharge for quiet
operation connects with NORDYNE cooling
coil furnace (optional coil cavity required with
“A” model furnaces).
Blower Speed Selection Chart for M1*B Models and
for use with Blower Kit No. 903773 1/4 Hp 3 Speed
Heating Cooling Speed/ Evap Coil
Furnace Input Speed
Setting
086, 090 H L M H
066, 070, 077 M L M H
056 L L M H
2 Ton 3 Ton
2-1/2
Ton