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Table of Contents
Related Manuals for Regal Genteq Evergreen IM
Summary of Contents for Regal Genteq Evergreen IM
- Page 1 EVERGREEN • IM INSTALLATION GUIDE A Regal Brand...
- Page 2 ® 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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Page 3: Table Of Contents
® 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 ............. -
Page 4: Safety Considerations
® Safety Considerations The following definitions 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 Warning indicates Caution indicates a hazardous situation which, if not a hazardous situation which, if not avoided, could result in death or avoided, could result in minor or... -
Page 5: Introduction
® 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 qualified technician to install, service, repair and maintain the Evergreen IM motor. -
Page 6: Application Guide
® 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 •... -
Page 7: Pre-Installation Notes
® 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. -
Page 8: Installation Guide
® Installation Guide mounting the evergreen Im 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 confirm that the power is off with a meter. Remove the blower section from the HVAC system. - Page 9 ® mounting the evergreen Im (CoNt’D) f 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).
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Page 10: Electrical Connections
® 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. •... - Page 11 ® electrical Connections High Voltage PoWeR Connections (CoNt’D) Step 2: Cut the High Voltage POWER harness to the length needed (leave a little extra) to reach the desired line voltage connection point. Step 3: Strip the insulation back to connect bare wires or install terminals as needed.
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Page 12: High Voltage Signal
® electrical Connections High Voltage SIGNAl Connections • The High Voltage SIGNAL connections communication tell the Evergreen IM when to turn on and off according to the HVAC systems original fan control or fan relay outputs. This maintains the operational integrity of the HVAC System. - Page 13 ® electrical Connections High Voltage SIGNAl Connections (CoNt’D) Step 2: Prepare the High Voltage SIGNAL (HV) connections of the Evergreen IM motor to provide the desired horse power output using the diagram below. Configure the output of the Evergreen IM to match the horse power rating of the PSC motor it is replacing.
- Page 14 ® electrical Connections High Voltage SIGNAl Connections (CoNt’D) Step 3: Identify where on the HVAC system the PSC motor speed(s) were connected. These connections could be on a main circuit board, a separate fan control circuit board, or individual fan relay or fan switch. All of the connections previously used by the PSC motor speeds except Neutral will now be connected/wired together.
- Page 15 ® electrical Connections High Voltage SIGNAl Connections (CoNt’D) Step 4: Connect the selected High Voltage SIGNAL (HV) connection(s) from the motor in Step 2 to the combined fan output connections on the HVAC system in Step 3. See examples below. - - - - The dashed lines represent new field wiring added after the PSC motor wiring has been removed This symbol represents a wire nut...
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Page 16: Low Voltage Signal
® electrical Connections low Voltage SIGNAl Connections DO NOT connect the Low Voltage SIGNAL (speed) connections to the existing PSC motor connections on the HVAC system. Any voltage above 30VAC connected to these terminals will cause permanent damage to the motor. •... - Page 17 ® electrical Connections low Voltage SIGNAl Connections (CoNt’D) Most HVAC systems use the same terminal designations for their thermostat demands. However there are variations. If the terminal designations in the HVAC system being connected to are different than the ones used in our diagrams, match them up to the operation of our generic listing below.
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Page 18: Special Applications
® electrical Connections Special Applications If the HVAC System this motor is applied to uses a separate speed for each heating and/or cooling demand including two-stage systems, this page is not needed. Systems that require the same speed for heating and/or cooling demands. For Example: •... -
Page 19: Continuous Fan Operation
® electrical Connections Special Applications High Efficiency Constant Fan Operation The Evergreen IM will automatically operate a fixed high efficiency low constant fan airflow without a (G) fan connection to the Low Voltage SIGNAL (speed) taps. When the HVAC System receives a 24VAC (G) command from the thermostat to the fan controls, they will send 115VAC to the High Voltage SIGNAL connection(s). -
Page 20: Final Notes
® electrical Connections final Notes When finished connecting all of the Evergreen IM wires to the system, create the recommended drip loop, and assure it will not interfere with the blower wheel or other system wiring. It is ok to leave extra wire, especially the unused speeds. Tie them to the harness for future use if needed. -
Page 21: Airflow Tests
® Airflow Tests After installing the Evergreen IM motor it is important to verify that the speed tap(s) selected will provide the proper airflow in all modes of operation for maximum performance, comfort, capacity and safe operation. Before checking the airflow all filters should be cleaned or replaced. All grilles, balancing dampers and registers should also be clear and open. - Page 22 ® Airflow Tests (CoN’tD) Gas, Propane and oil Heating Systems All Natural Gas, Propane, and Oil Heat Systems must be operated, tested and adjusted to confirm the Manifold Gas Pressure and Temperature Rise meet the values listed on the manufacturer’s data plate. Confirm system operation by operating the furnace (in both first and second stage on two stage furnaces) and measuring the Temperature Rise.
- Page 23 ® Airflow Tests (CoN’tD) measuring temperature Rise Temperature rise should be measured as close as possible to the HVAC system in the return air inlet and in the supply out of the line of site of the heat exchanger. The diagram below shows an example of an up flow system and the recommended measuring points.
- Page 24 ® Airflow Tests (CoN’tD) Air Conditioning and Heat Pump Systems These systems are designed to operate with a specified amount of airflow measured in Cubic Feet per Minute (CFM). Whenever possible use the manufacturer’s literature as the specification of recommended airflow. For two stage systems, only the manufacturer’s manual can provide the data for 1st Stage airflow requirements.
- Page 25 ® Airflow Tests (CoN’tD) temperature Rise method Electric Strip Heat ONLY This method requires the operation of the electric strips and the indoor blower motor only by setting the thermostat to call for heat (W) on air conditioning systems with electric strip heat or emergency heat (W ) on heat pump systems with electric strips.
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Page 26: Sequence Of Operation
® Sequence of operation When connected properly, the Evergreen IM will operate following the same sequence of operation as the replaced motor according to the HVAC Systems demands and delays. Line voltage (115 or 230 VAC) is connected to the High Voltage PoWeR connections on the motor at all times. - Page 27 ® Sequence of operation (CoNt’D) basic Sequence of operation Following the HVAC systems sequence of operation, the Evergreen IM will determine its operational speed from the 24VAC thermostat demand connected to the Low Voltage SIGNAL connections. The motor will then turn on at that speed only when the HVAC systems fan controls send 115VAC to the High Voltage SIGNAL connections.
- Page 28 ® Sequence of operation (CoNt’D) motor on Command 1. HVAC System demand energizes 24VAC from thermostat connection to a Low Voltage SIGNAL (speed) tap. There is no motor operation at this point unless Step 2 occurs at the same time according the HVAC Systems fan control(s) sequence of operation.
- Page 29 ® Sequence of operation (CoNt’D) multiple Demand time line If multiple 24VAC thermostat demands are energized at the same time to the Low Voltage SIGNAL (speed) tap selections on the motor, it is designed to operate at the highest value tap selection and ignore the communication voltage on the lower value tap(s).
- Page 30 ® Sequence of operation (CoNt’D) Demand Changes During HVAC System operation If there is an HVAC System demand change while the motor is operating, the motor will ramp, up or down, to the new speed of highest value. Value equals the Low Voltage SIGNAL (speed) taps where high speed is the highest value and low speed is the lowest value.
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Page 31: Maintenance
® Sequence of operation (CoNt’D) High Efficiency Constant Fan Operation If the 24VAC thermostat constant fan (G) is not connected to a Low Voltage SIGNAL (speed) tap, and the thermostat is set to Fan On, the motor will operate at a fixed high efficiency constant fan speed. This special speed was designed for decreased electrical usage and reduced system noise. -
Page 32: Troubleshooting Guidelines
® troubleshooting Guidelines Symptom Potential Problem Solution The motor does The wrong Line For 230VAC systems the yellow Voltage jumper is jumper should be installed. For not run. installed. 115VAC systems the white jumper should be installed. Note: If the WARNING: motor was powered with 230VAC ALWAYS... - Page 33 ® troubleshooting Guidelines (CoNt’D) See pages 7-8 for complete wiring instructions on the High Voltage POWER connections. See pages 9-12 for complete wiring instructions on the High Voltage SIGNAL connections See pages 13-14 for complete wiring instructions on the Low Voltage SIGNAL connections.
- Page 34 ® troubleshooting Guidelines (CoNt’D from Pg 29) Symptom Potential Solution Problem The motor is The proper Line For 230VAC systems the yellow jumper Voltage jumper should be installed. For 115VAC systems running but there is is not installed. the white jumper should be installed. not enough airflow Note: If the motor was powered with causing any of the...
- Page 35 ® troubleshooting Guidelines (CoNt’D) Symptom Potential Solution Problem The motor is The motor is Go to page 34 “The motor is operating in running the the wrong direction”. running but there is wrong direction. not enough airflow causing any of the following: The wrong This motor is designed to replace multiple...
- Page 36 ® troubleshooting Guidelines (CoNt’D) Symptom Potential Problem Solution The motor is There is a constant The Evergreen IM is designed to fan call from the operate a special constant fan running with no thermostat. speed if there is power on the demand from the High Voltage POWER connections HVAC System.
- Page 37 ® troubleshooting Guidelines (CoNt’D) Symptom Potential Problem Solution The motor is The rotation sensing 1. Disconnect the main power to feature needs to the HVAC system. operating in the be reset. 2. Disconnect the High Voltage wrong direction. SIGNAL connection(s) from the WARNING: ALWAYS motor to the HVAC system.
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Page 38: Installation Worksheet
® Installation Worksheet evergreen Im Selection Data 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 ——... - Page 39 ® Notes BTUH CFM = CFM = Velocity x Area TD x 1.08 BTUH = Output BTU per hour Velocity = Feet per Minute (FPM) CFM = Cubic Feet per Minute Area = Square Feet = Temperature Difference, Square Feet = Square Inches divided by 144 Temperature Rise &...
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Page 40: Contractor Hotline
Need Additional Help? Contractor Hotline: 1.866.503.8566 www.theDealerToolbox.com ® A Regal Brand 1946 West Cook Road Fort Wayne, IN 46818 1-866-503-8566 theDealerToolbox.com © 2012 Regal-Beloit Corporation Part #GTQ-8004 Rev 06/11 7466X/01-13/2.5K/BH/CP...
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