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4
Application Guide
EC Max can be used in the following applications
• Residential and light commercial HVAC split system (Air Handler and Fossil Fuel
Furnace) units and Package Units;
• Indoor direct drive blower motors;
• Replace original equipment PSC (Permanent Split Capacitor) induction motors;
• Replace original equipment Constant Torque ECM (Electronically Commutated
Motor) such as the genteq X13 and Endura Pro, or similar model motors with
24vac speed taps
.
EC Max is not compatible with the following applications
• HVAC systems that were originally supplied with Constant Airflow ECM also
known as Variable Speed such as genteq models 2.0, 2.3, 2.5, 3.0 and Eon;
• Outdoor fan motors;
• Belt drive motors.
NOTE:
In this manual, there are two sets of instructions. One for replacing PSC motors and
one for replacing Constant Torque ECM. Please make sure to use the correct instructions
for the motor you are replacing to prevent damage to the motor.
NOTE:
The EC Max is mounted using a belly band mount. The mount is not provided. If the
replaced motor used a belly band and was a NEMA 48 Frame motor, the original belly band
can be used on the EC Max. However, it is not recommended to use a torsion flex mount on
the ¾ and 1 Hp rated motors.
For 46013 and 46012 use TFM55 for mounting.
For 46034 and 46001 use A60048 for mounting.
The following items are supplied with this motor
• Harness – the same harness is used for all
applications;
• Voltage Plugs;
◦
One for 115vac (white)
◦
One for 230vac (yellow)
• Optional jumper wires and extra terminals;
• Optional Y-adapter;
• Installation manual.
Use of included wiring harness
is required for proper motor
installation.
NOTE
