Regal Genteq Evergreen IM Manual de usuario
A Regal Brand
EVERGREEN •IM
INSTALLATION GUIDE
REG9551_Evergreen_EM_Installation_Guide_v2.indd 1 2/26/13 9:12 AM
Genteq creates innovative, premium comfort and electrical
components. Our proven reputation for high quality, highly reliable
products and strong customer relationships make us the preferred
brand throughout the industry.
1946 West Cook Road
Fort Wayne, IN 46818
1-866-503-8566
www.theDealerToolbox.com
GTQ-8004 Rev 06/11
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Contents
Safety Considerations ....................................................................1
Introduction ....................................................................................2
Application Guide .........................................................................3
Motor Selection ..............................................................................3
Pre-Installation Notes .....................................................................4
Installation Guide ..................................................................... 5-17
Mounting the Evergreen IM ................................................. 5-6
Electrical Connections ....................................................... 7-17
High Voltage Power ........................................................ 7-8
High Voltage Signal ...................................................... 9-12
Low Voltage Signal ..................................................... 13-14
Special Applications ........................................................15
Continuous Fan Operation ..............................................16
Final Notes .........................................................................17
Airow Tests ............................................................................. 18-22
Sequence of Operation ........................................................ 23-28
Maintenance ................................................................................28
Troubleshooting Guidelines ................................................... 29-34
Installation Worksheet...................................................................35
Contractor Hotline ....................................................... Back page
Please read the entire instruction manual
before starting the installation.
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Safety Considerations
The following denitions are used as safety considerations on the Evergreen
IM motor and in this manual. Please read and observe all
of these safety concerns.
SAFETY SYMBOLS
Installation and service of this motor should be attempted only by
trained service technicians familiar with the Evergreen instructions
and training manual.
This motor should be installed in accordance with accepted practices
and installation instructions, and in compliance with all national and local
codes.
- 1 -
Warning indicates
a hazardous situation which, if not
avoided, could result in death or
serious injury.
Caution indicates
a hazardous situation which, if not
avoided, could result in minor or
moderate injury.
Always disconnect the main power from the unit being serviced before
making any wiring connections to the Evergreen IM. It is also a good
practice to conrm that the power is off with a meter.
Improper installation, adjustment, alteration, service, maintenance,
or use can cause explosion, re, electrical shock, or other conditions
which may cause personal injury, death, or property damage. Consult
a qualied installer, service agency, or your distributor or branch for
information or assistance. The qualied installer or agency must use the
supplied or recommended parts when installing or servicing this product.
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The Evergreen IM is a multi-purpose replacement indoor blower motor.
Proper wiring is critical to provide proper operation and maintain the
proper operation of all safeties built into the HVAC System.
The Evergreen IM is a multi-volt capable motor. Read all instructions and
install the proper jumper for the line voltage application before applying
power to this motor.
Use of the wires provided in this kit is recommended. Should additional
wires be needed, use equivalent size wire gauge and reated insulation.
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Introduction
The Evergreen® IM is an ECM (Electronically Commutated Motor) designed
to replace an existing PSC (Permanent Split Capacitor), direct drive, indoor
blower motor. It is constructed with more than 20 years of proven ECM
technology and reliability.
This installation/service manual enables a qualied technician to install,
service, repair and maintain the Evergreen IM motor. This manual is to
be left near the HVAC system for future reference. Due to the advanced
multi-function of this motor it is highly recommend that you read the entire
manual before beginning any job to make sure it is the correct
motor for the HVAC System it is being applied to.
This unique ECM motor will operate and connect to the HVAC systems
controls much differently than the replaced PSC motor. For proper, safe
and efcient operation please read the entire manual before attempting
any wiring connections.
When properly installed the Evergreen IM will maintain the sequence of
operation and safety operations of the HVAC System.
On page 35 of this manual is an Installation Worksheet provided to
write down all the critical information for the selection, installation
and airow testing.
Included with this motor for help with installation and wiring connections
are the following:
• 115VAC white jumper
• Optional Y-adapter
• 230VAC yellow jumper (installed on motor)
• HVAC System ID Label
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Application Guide
The Evergreen IM is designed for use on the following types of HVAC systems:
• Direct Drive, 115 or 230VAC Motor Systems
• Clock-wise (CW) or Counter Clock-wise (CCW) rotation
• Residential Split and Packaged Systems
• Air Conditioning or Heat Pump Systems
• Natural Gas, Propane and Oil Heat Furnaces
• Dual Fuel Systems
• Hot water coil and Geothermal air handlers
DO NOT use this motor on any “twinned” furnace or air handler systems.
DO NOT use this motor to replace any existing ECM other than a direct
replacement of an Evergreen IM.
Motor Selection
Conrm the motor is applicable to the HVAC System using the Application
Guide above.
Conrm the motor being replaced is a direct drive indoor blower motor
operating at 115 or 230VAC. This is a dual voltage motor.
This motor will operate Clock-wise (CW) or Counter Clock-wise (CCW)
rotation automatically with its built-in Rotation Sensing feature. For more
information see the Sequence of Operation section on page 23.
Check off the HVAC systems existing PSC motor horse power (Hp) and
HVAC equipment size to determine the Evergreen IM sizing. Use the motor
that best matches the HVAC system sizing.
1/5 - 1/2 Hp ____
1.5 - 3 Ton ____ 1/2 Hp Evergreen IM
40 - 95k BTUH ____
1/2 - 1 Hp ____
3.5 - 5 Ton ____ 1 Hp Evergreen IM
100 - 150k BTUH ____
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Pre-Installation Notes
Before removing the existing motor, check off the existing speed selections,
in each mode of operation, in the spaces below. If the motor is operational,
also record the Total External Static Pressure (TESP) and/or the Temperature
Rise (TR) in each mode of operation. This information will help select the new
motor speeds.
Heat Pump Systems
Cooling/Heating Speed Hi___ MHi___ MLo___ Lo___ TESP____
Cooling/Heating Speed Hi___ MHi___ MLo___ Lo___ TESP____
(1st Stage)
Emer. Heat Speed Hi___ MHi___ MLo___ Lo___ TESP____ TR___
Furnace Heat Speed Hi___ MHi___ MLo___ Lo___
Furnace Heat Speed Hi___ MHi___ MLo___ Lo___
(1st Stage)
Air Conditioning and/or Gas, Propane
or Oil Heating Systems
Cooling Speed Hi___ MHi___ MLo___ Lo___ TESP____
Cooling Speed Hi___ MHi___ MLo___ Lo___ TESP____
(1st Stage)
Heating Speed Hi___ MHi___ MLo___ Lo___
Heating Speed Hi___ MHi___ MLo___ Lo___
(1st Stage)
NOTE: The HVAC Systems fan control connections, where the existing PSC
motor is connected, will be used to operate the Evergreen IM. Make note
of the terminals that the old motor connected to for heating and/or cooling
operation before removing the motor wires.
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- 5 -
Installation Guide
Mounting the Evergreen IM
Remove the blower section from the HVAC system. Remove the existing PSC
motor from the blower section. Properly dispose of the motor and the run
capacitor. The Evergreen IM motor does not require a run capacitor.
The frame size of the Evergreen IM motor is NEMA 48 frame. This is the
most common frame size for indoor blower motors. If the original motor
has the same frame size, the original mounting bracket should work on
the Evergreen IM. The Evergreen IM requires a belly band style mounting
bracket. The original mounting bracket can be used as long as it is belly
band style with no special bolts or bearing mounts. Torsion ex brackets
can be used on the ½ Hp motor only. They are not approved for the 1 Hp
motor due to noise and longevity.
If the mounting bracket must be replaced, selecting one with the same
mounting pattern on the blower housing will save drilling new holes in the
blower section.
The belly band must t the new motor properly. It should be tight enough to
prevent the motor from shifting on start-up and not cover any vents. On ECM
motors the belly band must not be placed over the motor control section.
NOTE: when attaching the bellyband mount, make sure it is not located in the
“Keep Out Area” area.
Always disconnect the main power from the unit being serviced before
making any wiring connections to the Evergreen IM. It is also a good
practice to conrm that the power is off with a meter.
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Mounting the Evergreen IM (CONT’D)
If a new motor mount is required and the legs do not
line up with the original holes in the blower housing, it is
required to use a bolt with either a lock washer and nut
or a locking nut through the new drilled hole(s).
Self tapping or sheet metal screws are not a sufcient
long term installation when a new hole is drilled through
the thin wall of the blower housing.
When positioning
the legs of the
bellyband on the
motor, make sure
that once the
motor is mounted
into the blower
section, the wires
come out towards
the bottom of the
motor as installed
in the air handler.
This will ensure that
a proper drip loop can be made with the signal and power lines.
The blower wheel should be centered in the blower
housing. The wheel should also not be resting up
against the motor bearing housing. If this is not possible
while centering the wheel the motor should be
adjusted in the belly band. If the blower wheel is dirty, it
should be cleaned.
The blower wheel hub locking bolt should be secured to
the motor shaft on the at portion of the shaft, after the
wheel has been centered in the blower housing.
Re-install the blower section in the HVAC system and
proceed to the next page to make the electrical
connections.
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As installed in the air
handler, the motor should
be positioned with the
connectors facing down
between the 4 and 8
o-clock position, with the
wiring harness formed
into a drip loop.
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Electrical Connections
High Voltage POWER Connections
• The Evergreen IM is connected to line (High) voltage power at ALL TIMES.
• Do not connect the High Voltage Power leads of the Evergreen IM motor to
any relays or switched circuit board terminals.
• If a door switch is present, wire after the switch so power will be
disconnected when the door is removed for service or maintenance.
• If the HVAC system has multiple line voltage circuits (typically on systems
with multiple heat strips), connect the Evergreen IM to the
same circuit that powered the main/fan control board or fan relay for
the original motor.
• This motor is capable of operation from 115 or 230VAC line voltage with the
proper application of the voltage jumper.
Step 1:
DO NOT CONNECT OR DISCONNECT ANY PLUGS OR JUMPERS WITH
LINE VOLTAGE POWER CONNECTED OR APPLIED TO THE HARNESS. Install
the proper voltage jumper for the system the motor will be installed in. For
230VAC applications, the yellow jumper is pre-installed in the motor. For
115VAC applications, remove the yellow jumper and install the supplied white
jumper. Then connect the 5-pin plug with the alignment n facing away from
the jumper. The n and the motor connector block are both labeled 1-5 for
proper orientation. Finally connect the 4-pin plug. This plug is keyed for proper
orientation. The larger end of the plug with the larger connector goes to L1 on
the motor. Make sure the jumper and both plugs are rmly inserted into the motor.
See the examples below.
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230VAC System
Conguration
(Yellow Jumper)
115VAC System
Conguration
(White Jumper)
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