Operating Instructions
NOTE:
Read
the entire
instruction
manual
before
using
the
ECM motor simulator.
SAFETY
CONSIDERATIONS
FIRE,
EXPLOSION,
ELECTRICAL
SHOCK
HAZARD
Failure
to follow
this warning
could
result
in personal
injury,
death and / or property
damage.
The ability
to properly
perform
service
on this equipment
requires
certain
expertise,
mechanical
skills,
tools,
and
equipment.
If you do not possess
these, do not attempt
to
perform
any service
on this equipment
other
than
those
procedures
recommended
in the User's
Manual.
HK42FZ003,
HK42FZ012,
HK42FZ022,
HK42FZ024,
HK42FZ026,
HK42FZ031,
HK42FZ035,
HK42FZ043,
HK42FZ044,
HK42FZ050,
HK42FZ051
and HK42FZ052.
NOTE:
The ECM
motor
simulator
can only
be used with the
furnace
component
self test function.
In addition,
an adapter
harness
is included
for installations
with ECM 3.0 motors.
Use the procedure
outlined
below several times before relying
on
the condensed
instructions
printed
on the ECM
motor simulator
labels.
This
procedure
should
be
inserted
into
the
main
troubleshooting
guide.
DESCRIPTION
AND USAGE
The
ECM
motor
simulator
is designed
to assist
the service
technician
in
troubleshooting
the
variable
speed
gas-fired
furnaces.
Use the procedure
outlined
below
to troubleshoot
with
the ECM motor simulator.
Installing
and servicing
heating
equipment
can be hazardous
due
to gas and
electrical
components.
Only
trained
and qualified
service
personnel
should
install,
repair,
or
service
heating
equipment.
Untrained
personnel
can perform
basic
maintenance
functions
such as cleaning
coils, or cleaning
and replacing
filters. All other
operations
should
be performed
by trained
service
personnel.
When
working
on heating
equipment,
observe
precautions
in
literature,
on tags, and on labels
attached
to or shipped
with the
unit, and other safety precautions
that may apply.
Follow
all safety codes.
In the United
States,
follow
all safety
codes
including
the
National
Fuel
Gas
Code
(NFGC)
NFPA
54/ANSI
Z223.1.
In Canada,
refer to the National
Standard
of
Canada
Natural
Gas
and
Propane
Installation
Codes
(NSCNGPIC),
CSA B149.1.
Wear safety
glasses
and work
gloves.
Have a fire extinguisher
available
during
start-up,
adjustment
procedures,
and
service
calls.
Recognize
safety
information.
This
is the safety-alert
symbol
AX. When you see this symbol
on the furnace
and in instructions
or manuals,
be alert to the potential
for personal
injury.
Understand
the
signal
words
DANGER,
WARNING,
CAUTION,
and NOTE.
The words DANGER,
WARNING,
and
CAUTION
are used
with
the
safety-alert
symbol.
DANGER
identifies
the most
serious
hazards
which
will result
in severe
personal
injury
or death.
WARNING
signifies
hazards
which
could
result
in personal
injury
or death.
CAUTION
is used to
identify
unsafe
practices
which
may
result
in minor
personal
injury,
or product
and
property
damage.
NOTE
is used
to
highlight
suggestions
which
will result in enhanced
installation,
reliability,
or operation.
INTRODUCTION
This instruction
covers
the use of the ECM motor
simulator
on
variable
speed gas-fired
furnaces
that use furnace
control
center
ELECTRICAL
OPERATION
HAZARD
Failure
to follow
this warning
could result in damage
to this
equipment,
personal
injury, or death.
Only trained and qualified
personnel
should install, repair or
service this equipment.
QUICK
MOTOR
TEST
PROCEDURE
(WHEN
USING
ECM
MOTOR
SIMULATOR)
In an effort
to provide
a method
of troubleshooting
a variable
speed inducer
and/or variable
speed blower
motor by themselves
the following
procedure
may save you some time in the event any
of the following
status codes are reason for the service call.
•
Status codes 12, 32, 41, 42, or 44 on furnace control
HK42FZ003
or HK42FZ012.
•
Status codes 15, 32, 41, or 42 on furnace control
HK42FZ022, HK42FZ024, HK42FZ026,
HK42FZ031, HK42FZ035, HK42FZ043,
HK42FZ044,
HK42FZ050, HK42FZ051 and
HK42FZ052.
If you get any other status code, you should use the main
troubleshooting
guide (not included in this kit) to isolate the
problem. Select the proper section based on the furnace control
board installed in the furnace.
SECTION
A
Variable
Speed
Furnace
Control
Boards
HK42FZ003 or HK42FZ012.
SECTION
B
-
Variable
Speed
Furnace
Control
Board
HK42FZ022,
HK42FZ024,
HK42FZ026,
HK42FZ031,
HK42FZ035,
HK42FZ043,
HK42FZ044,
HK42FZ050,
HK42FZ051 and HK42FZ052.
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