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KGAPC0101ECM LOWER AMP KIT: Installation Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
2
INTRODUCTION
This instruction covers the installation of a 4.4 m Lower Amp Kit on 35
in. (889 mm) tall condensing gas furnaces using a 1 hp. variable speed,
constant torque (VCT) ECM (also known as ECM-PWM) blower motor.
DESCRIPTION AND USAGE
The Lower Amp Kit can be used to reduce the blower amperage on
select 1 horsepower variable speed, constant torque (VCT) ECM blower
motor (also known as ECM-PWM). When this kit is installed, units that
required 12 AWG wire and 20 amperage over-current protection can be
wired using 14 AWG wire and 15 amperage over-current protection. See
Table 1 for kit usage Table 2 for kit contents.
Table 1 – Kit Usage
Table 2 – Kit Contents
INSTALLATION
Unit Shut Down
1. Set room thermostat to lowest setting or “OFF.”
2. Disconnect power at external disconnect, fuse or circuit breaker.
3. Turn off gas at external shut-off or gas meter.
4. Remove outer doors and set aside.
5. Turn electric switch on gas valve to OFF.
Install the Power Choke
1. Locate existing holes on the front of the blower housing that will be
used to mount the power choke. See Fig 1.
2. For easier installation, pre-install the provided screws and then
remove screws.
3. Align the hole in the mounting tab of power choke with the bottom
hole in the blower housing.
4. Install screw, but do not fully tighten the screw at this point.
5. Rotate the power choke so the other mounting tab is aligned with
the top hole in the blower housing.
6. Install and tighten the top screw.
7. Tighten the bottom screw.
A160069
Fig. 1 – Power Choke Location
59TP6A080E21*(3/4)20 926TA60080V21A-(C\D) PG96VAT60080C(D\E)A*
59TP6A100E21*320 926TA60100V21A-C PG96VAT60100CDA*
59TP6A120E24*322 926TA66120V24A-C PG96VAT66120DDA*
59TP6B080V21-20 926TB60080V21 PG96VTAA60080C
59TP6B100V21-20 926TB60100V21 (P/G)G96VTAA60100C
59SP6B100V21-20 926SB60100V21 (P/G)G96VTAB66120D
59TP6C120V24-22 926TC66120V24
* May contain any character
Qty DESCRIPTION
1 4.4mH Power Choke
1 Bag Assembly Includes
2 #8 X 1/2” Screw
1 Installation Instructions
1 Max Unit Amps Label
WARNING
!
ELECTRICAL SHOCK AND FIRE HAZARD
Failure to follow this warning could result in personal injury, death,
and/or property damage.
Turn off the gas and electrical supplies to the furnace and install lockout
tag before performing any maintenance or service. Follow the operating
instructions on the label attached to the furnace.
WARNING
!
ELECTRICAL SHOCK, FIRE OR EXPLOSION HAZARD
Failure to follow this warning could result in personal injury or death,
or property damage.
Before installing, modifying, or servicing system, main electrical
disconnect switch must be in the OFF position and install a lockout tag.
There may be more than one disconnect switch. Check accessories and
cooling unit for additional electrical supplies that must be shut off
during furnace servicing. Lock out and tag switch with a suitable
warning label. Verify proper operation after servicing.
WARNING
!
CARBON MONOXIDE POISONING HAZARD
Failure to follow this warning could result in personal injury or death.
To route the vent pipe and combustion air pipe through the furnace, the
manufacturer supplied kit must be used. Failure to properly seal the
blower compartment from the furnace vestibule could result in the
circulation of carbon monoxide throughout the structure. The vent pipe
and combustion air pipe must be a continuous pipe while passing
through the blower compartment. Seals supplied in this kit must be
installed per the instructions provided. Follow all procedures outlined
in these instructions.
CAUTION
!
CUT HAZARD
Failure to follow this caution may result in personal injury.
Sheet metal parts may have sharp edges or burrs. Use care and wear
appropriate protective clothing, safety glasses and gloves when
handling parts, and servicing furnaces.