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Summary of Contents for Enertech XT024
- Page 1 Installation & Operations Manual XT MODELS PACKAGED WATER-TO-AIR MULTI-POSITIONAL HEAT PUMPS 20D218-03NN 20D218-03NN Revision, A...
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Page 2: Table Of Contents
Table of Contents Section 1: Model Nomenclature and AHRI Data Model Nomenclature Decoder ..........................4 AHRI Performance Data .............................. 4 Section 2: Installation Introduction Introduction ................................... 5 Pre-Installation................................6 Components ................................. 6 Section 3: Installation Considerations Unit Placement ................................8 Duct Work .................................. - Page 3 Section 7: Auxiliary Heater Installation Auxiliary Heater Nomenclature Decoder ........................ 31 Introduction ................................. 32 Heater Compatibility ..............................32 Heater Installation ..............................33 Heater Installation ..............................34 Heater Electrical Data ............................... 35 Section 8: Electrical Connections High Voltage Single Phase Control Box Connections ..................... 36 High Voltage Three Phase Control Box Connections .....................
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Page 4: Section 1: Model Nomenclature And Ahri Data Model Nomenclature Decoder
MODEL CAPACITY Btu/hr Btu/hr Btu/hr Btu/hr Full Load 19,800 27,200 20.3 Full L oad 24,600 29,600 26.9 XT024 XT024 Part Load 16,600 21,400 29.1 Part L oad 18,200 22,400 34.0 Full Load 29,200 38,900 18.3 Full L oad... -
Page 5: Section 2: Installation Introduction Introduction
Section 2: Installation Introduction Un-packaging Introduction Enertech units are mounted to wooden pallets for This geothermal heat pump provides heating and easy handling during shipment and installation. cooling as well as optional domestic water heating Units are protected during shipment with durable capability. -
Page 6: Pre-Installation
Blower Motor (ECM): ECM (Electronically Commtated Motor) for variable fan speeds. Compressor (Copeland Scroll): Pumps refrigerant through the heat exchangers and pressurizes the refrigerant, which increases the temperature of the refrigerant. Enertech Global IOM, XT Models... - Page 7 Leaving it unconnected ensures Enertech Global has set forth this policy to ensure that the pump is not run without a water supply. installations of Enertech Global geothermal systems The Desuperheater package can make up to are done safely and properly.
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Page 8: Section 3: Installation Considerations Unit Placement
50 percent from the floor or low sidewall location. Table 1: Maximum Air Velocities Location Supply Return Main Ducts 900 FPM 600 FPM Branch Ducts 700 FPM 600 FPM Grills, Registers, Diffusers 750 FPM 600 FPM Enertech Global IOM, XT Models... -
Page 9: Section 4: Unit Installation Typical Supply And Return Ductwork Connections
450 CFM/ton. Use DIP switch for ECM motor BACK OF THE BLOWER FOR SHIPPING PURPOSES, adjustments. MUST BE REMOVED BEFORE OPERATION. FAILURE TO REMOVE THE BRACKET COULD RESULT IN POTENTIALLY NOISY OPERATION AND EQUIPMENT DAMAGE. IOM, XT Models Enertech Global... -
Page 10: Dimensional Data
All Desuperheater connections are 3/4” FPT. All measurements are in inches. * For the source water loop, GeoComfort residential models use 1” double o-ring fittings. GeoComfort commercial models, Hydron Module & TETCO models use 1” FPT fittings. Enertech Global IOM, XT Models... -
Page 11: Ecm Fan Performance - Two-Stage Compressor Units
1. To enter dehumidification mode, ODD input should be 0 VAC; for normal cooling CFM, ODD input should be 24VAC. 2. Heating CFM is not affected by dehumidification mode. When in dehumidification mode, cooling CFM is 85% of normal cooling CFM. IOM, XT Models Enertech Global... -
Page 12: Unit Physical Data
5. See Example Electrical Circuits for proper 460V power * The external loop pump FLA is based on a maximum of three UP26-116F-230V pumps (1/2hp) for 048 - 072 and two pumps for 024 - 036. Enertech Global IOM, XT Models... -
Page 13: Unit Return Air Conversion
NOTE: Do not pry on the "belly band" that runs across the front of the unit to hide the access panel screws. Slight pressure on the rounded portion of the "belly band" will release the catch. (GeoComfort & Hydron Module units only) IOM, XT Models Enertech Global... -
Page 14: Section 5: Unit Piping Installation Water Quality
Ideally, de-ionized water should be used for dilution during fusion and installation can cause noise aand with antifreeze solutions since de-ionizing removes premature pump failure. Enertech recommends a both corrosive and hardness ions. Distilled water double flush filtering method during purging. When and zeolite softened water are also acceptable. -
Page 15: Interior Piping
Loop Field Air Coil Flow Center Hose P/T Ports Source Water Out Source Water In Equipment Pad 2” Polyethylene Foam Note: P/T ports should be angled away from the unit for ease of gauge reading. IOM, XT Models Enertech Global... -
Page 16: Typical Non-Pressurized Flow Center Installation
Figure 7: Typical Single Unit Piping Connection (Non-Pressurized Flow Center) To/From Loop Field Air Coil Flush Valve Flow Center P/T Ports Hose Source Water Out Source Water In Equipment Pad 2” Polyethylene Foam Enertech Global IOM, XT Models... -
Page 17: Pressurized Flow Center And Pump Mounting
IOM, XT Models Enertech Global... -
Page 18: Condensation Drain Connection
Figure 9a: Condensation Drain Connection Figure 9d: Right Overflow Sensor Connection Figure 9b: Condensation Drain Drop to local plumbing codes. Part Number Description ACDT1A EZ-Trap ¾” Kit ACDT2A EZ-Trap 1” Kit Enertech Global IOM, XT Models... -
Page 19: Flushing & Charging A Pressurized Flow Center
Flushing & Charging a Pressurized Flow Flush Cart Design Center The Enertech Manufacturing flush cart has been designed to effectively and efficiently flush the Once piping is completed between the unit, flow earth loop and to facilitate injecting and mixing of center, and the earth loop, final purging and the antifreeze. - Page 20 7. Turn the discharge line ball valve off at the flush 1. Turn off the pump on the flush cart. cart. Turn the return line ball valve back to the 2. Turn both 3-way valves to the unit and flush port on position. position. Enertech Global IOM, XT Models...
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Page 21: Typical Non-Pressurized Flow Center Installation
(see under any circumstance! interior piping), including PVC. The flow center can be mounted to the wall with the included bracket or mounted on the floor as long as it is properly supported. IOM, XT Models Enertech Global... -
Page 22: Flushing The Interior Piping (Non-Pressurized)
25%. Note that the brand of ethanol is very freeze protection level of the solution. important. Make sure it has been formulated for the geothermal industry. Some of the denaturants are not compatible with HDPE pipe (for example, solutions denatured with gasoline). Enertech Global IOM, XT Models... -
Page 23: Antifreeze Charging
(Table 5) for the freeze protection required in your area. Then, double check calculations during installation with the proper hydrometer and specific gravity chart (Figure 9) to determine if the correct amount of antifreeze was added. IOM, XT Models Enertech Global... - Page 24 Tap water may include chemicals that could react with the antifreeze solution. Figure 9: Antifreeze Specific Gravity 1.0500 1.0400 1.0300 1.0200 1.0100 1.0000 0.9900 0.9800 0.9700 0.9600 Freeze Protection (deg F) Procool Methanol Propylene Glycol Enertech Global IOM, XT Models...
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Page 25: Apsma Pump Sharing Module
Flow P/T Ports P/T Ports P/T Ports Source Out Source Out Source Out P/T Ports P/T Ports P/T Ports Source In Source In Source In Equipment Pad Equipment Pad 2” Polyethylene Foam 2” Polyethylene Foam IOM, XT Models Enertech Global... -
Page 26: Open Loop Piping And Connections
3 ton and (2 required) Equipment Pad smaller. Use single solenoid 2” Polyethylene Foam and flow regulator. *Hose kit is used for piping isolation, and includes ttings for P/T ports. **See product specifications for flow rates. Enertech Global IOM, XT Models... -
Page 27: Open Loop Single Stage Solenoid Connections
Section 5: Unit Piping Installation Open Loop Single Stage Solenoid Connections Open Loop Two-Stage Solenoid Connections IOM, XT Models Enertech Global... -
Page 28: Section 6: Desuperheater Installation Desuperheater Installation
COULD APPEAR TO BE SET AT LOWER LEVELS, copper adaptor located on the tee at the HIGH TEMPERATURE WATER UP TO 130 DEGREES bottom of the water heater. FROM THE DESUPERHEATER COULD RAISE TANK TEMPERATURES TO UNSAFE LEVELS. Enertech Global IOM, XT Models... - Page 29 Desuperheater circuits are NOT to be connected to gas water heaters! Connection to Hot Water Tank Copper Tee For Domestic Cold Water In Line (installed within 12” from top of tank) Drain Brass Tee Adapter to Unit Water Line IOM, XT Models Enertech Global...
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Page 30: Typical Desuperheater Installation With Single Water Heater
Water Heater No. 1 Hot Water In (or Storage Tank) (or Storage Tank) 3/4” Copper Adapter Fitting Shutoff Drain HWG Out Drain Valves Valve Valve HWG In Desuperheater circuits are NOT to be connected to gas water heaters! Enertech Global IOM, XT Models... -
Page 31: Section 7: Auxiliary Heater Installation Auxiliary Heater Nomenclature Decoder
COULD result in death or serious injury. “DANGER” Indicates an immediate hazardous situation which, if not avoided, WILL result in death or serious injury. “Note:” Used to highlight suggestions which will result in enhanced installation, reliability, or operation. IOM, XT Models Enertech Global... -
Page 32: Introduction
Unit Protection The AHTR electric heater is designed specifically Protect units from damage and contamination for the Enertech XT/CT and YT Series Geothermal due to plastering (spraying), painting and all Heat Pump Unit. Engineering and quality control other foreign materials that may be used at the is built into every electric heater assembly. -
Page 33: Heater Installation
Figure 1: Heater Installation Heater Support Rod Fits into Hole Rotate Circuit Breakers 180 Degrees for RH Airflow Representative drawing only, some models may vary in appearance. Representative drawing only, some models may vary in appearance. IOM, XT Models Enertech Global... -
Page 34: Heater Installation
THE UNIT CABINET MUST HAVE AN UNINTERRUPTED OR UNBROKEN GROUND TO MINIMIZE PERSONAL INJURY IF AN ELECTRICAL FAULT SHOULD OCCUR. THE GROUND MAY CONSIST OF ELECTRICAL WIRE OR METAL CONDUIT WHEN INSTALLED WITH EXISTING ELECTRICAL CODES. Enertech Global IOM, XT Models... -
Page 35: Heater Electrical Data
Option AMPS HACR Volts Phase 208/230 58.3 11.7 15.6 18.5 208/230 58.3 11.7 16.1 19.0 208/230 58.3 11.7 19.6 22.5 XT024 208/230 58.3 11.7 20.1 23.0 208/230 55.4 10.4 12.0 208/230 55.4 10.9 12.5 30/35 28.0 208/230 83.0 15.6 19.5 23.4... -
Page 36: Section 8: Electrical Connections High Voltage Single Phase Control Box Connections
ECM LOW VOLTAGE WIRING HARNESS, CONTROL BOX, XT & CT BEFORE OTHER ELECTRICAL IT SERIES (NOT ILLUSTRATED) 41P011−01NN WIRING HARNESS−ELECTRIC HEAT, XT & CT SERIES (NOT Enertech Global IOM, XT Models ILLUSTRATED) 04T006 TIE, WHITE 6 IN (NOT ILLUSTRATED) 06W002 WASHER, #8 EXT. -
Page 37: Section 9: Controls Microprocessor Features And Operation
Section 9: Controls Microprocessor Features and Operation Water Solenoid Valve Connections Enertech Global geothermal heat pump controls Two accessory relay outputs at the terminal strip provide a unique modular approach for controlling provide a field connection for two types of water heat pump operation. -
Page 38: Safety Controls
LED’s will stop flashing and the “Call For Service” interrupted, and the control will go into fault retry indicator will turn off. mode. There is no delay of switch monitoring at startup. Enertech Global IOM, XT Models... -
Page 39: Lockout With Emergency Heat
Any condition that would cause this wire). fault must be thoroughly investigated before taking Refer to wiring diagram. Enertech recommends the any action regarding the jumper removal. Likely use of a slow acting valve to reduce the chance of causes of an over/under voltage condition include water hammer. -
Page 40: Sequence Of Operation
DIP switch settings), and the compressor full load solenoid valve is energized. Cooling, Dehumidification Mode The ECM control module includes two types of dehumidification modes, Forced Dehumidification mode, and On Demand Dehumidification (ODD). If the ECM control Enertech Global IOM, XT Models... -
Page 41: Section 10: Wiring Diagrams Two Stage, Ecm, Single Phase, 208/230V, 60Hz
Section 10: Wiring Diagrams Two Stage, ECM, Single Phase, 208/230V, 60HZ IOM, XT Models Enertech Global... -
Page 42: Two Stage, Ecm, Three Phase, 208/230V, 60Hz
Section 10: Wiring Diagrams Two Stage, ECM, Three Phase, 208/230V, 60HZ Enertech Global IOM, XT Models... -
Page 43: Two Stage, Ecm, Single Phase, 460V, 60Hz
Section 10: Wiring Diagrams Two Stage, ECM, Single Phase, 460V, 60HZ IOM, XT Models Enertech Global... -
Page 44: Section 11: Equipment Start-Up Procedures Equipment Start-Up Process
Section 11: Equipment Start-Up Procedures Equipment Start-Up Process Equipment Start-Up Process Check the following before power is applied to the equipment Caution: Do not start-up the unit until the new structure is ready to be occupied *500 = Constant factor for pure water. *500 = Constant factor for pure water. -
Page 45: Equipment Start-Up Form
Section 11: Equipment Start-Up Procedures Equipment Start-Up Form EQUIPMENT START-UP FORM Customer Name:_________________________________________________________________ Customer Address:_____________________________________________________________________________________ Model #:__________________________________________ Serial #:____________________________________________ Dealer Name:__________________________________________________________________________________________ Distributor Name:_____________________________________________ Start-up Date:____________________________ Loop Type: Open Closed (Circle One) Flow Rate Cooling Heating Unit Electrical Data Cooling Heating Source Water Pressure In Line Voltage Source Water Pressure Out... -
Page 46: Performance Check
A 10% variance from Spec Manual is allowed. Always use the same pressure gauge & temperature measuring device. Water flow must be in range of Specification Manual. If system has too much water flow, performance problems should be expected. Enertech Global IOM, XT Models... -
Page 47: Section 12: Troubleshooting Qr Code Troubleshooting And Installation Videos
Heat Of Extraction and Rejection ECM Temporary Motor Replacement Measuring Subcooling and Superheat ECM Motor Troubleshooting Troubleshooting a TXV Compressor Troubleshooting Variable Speed Flow Centers Return Conversion for and XT or CT IOM, XT Models Enertech Global... -
Page 48: Compressor Troubleshooting Tips
't p u m p o f th e re v e rs in g re p la c e c o m p re s s o r. v a lv e . Enertech Global IOM, XT Models... -
Page 49: Troubleshooting Tips
Thermostat is getting a draft of cold or warm air. Make sure that the wall or hole used to run thermostat Thermostat wire from the ceiling or basement is sealed, so no draft can come to the thermostat. Faulty Thermostat (Replace). IOM, XT Models Enertech Global... -
Page 50: Troubleshooting Tips
If ductwork is completely installed it may be necessary to reduce CFM. Water sucking out of the Install an EZ-Trap or P-Trap on the drain outlet so blower cannot suck air back through the drain outlet. drain pan Enertech Global IOM, XT Models... -
Page 51: Refrigeration Troubleshooting Form
Discharge Line (saturation) °F °F °F Optional desuperheater Supply Air Return Air installed in discharge line Source (loop) IN (always disconnect during troubleshooting) Heating Cooling Mode Mode Source Coax Discharge Discharge °F Source (loop) OUT IOM, XT Models Enertech Global... -
Page 52: Proper Power Supply Evaluation
THE MOTORS ARE WIRED BETWEEN THE NEUTRAL AND ONE HOT LEG OF THE CIRCUIT. SOURCE WIRING MUST BE WYE (STAR) CONFIGURATION. 3-PHASE DELTA CONNECTIONS WILL NOT PROVIDE THE CORRECT WIRING AND WILL CAUSE THE UNIT NOT TO OPERATE. Enertech Global IOM, XT Models... -
Page 53: Section 13: Warranty Forms
How would you rate your overall satisfaction with your installing geothermal contractor? 1 (Very Dissatisfied) 10 (Very Satisfied) MAIL THIS FORM TO: EMAIL THIS FORM TO: FAX THIS FORM TO: ENERTECH GLOBAL LLC WARRANTY@ENERTECHGEO.COM ENERTECH GLOBAL LLC 2506 SOUTH ELM STREET 618.664.4597 GREENVILLE, IL 62246 REGISTER ONLINE AT: warranty-registration.enertechgeo.com... -
Page 54: Warranty Order & Claim
3) Outsourced warranty replacement parts will be reimbursed in the form of credit for the part only. Credit will be no more than the standard equivalent part cost through Enertech. 4) Factory pre-approval is required for anything outside the scope... - Page 55 This Page Intentionally Left Blank IOM, XT Models Enertech Global...
- Page 56 Customer Service department at info@enertechgeo.com. Statements and other information contained herein are not express warranties and do not form the basis of any bargain between the parties, but are merely Enertech Global’s opinion or commendation of its products.
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