Enertech Compact ® Belt Drive (ECH/V) Series Table of Contents Model Nomenclature General Information ECH/V Physical Data (includes unit w/WSE) ECV Physical Data (includes unit w/WSE) Horizontal Installation ECH/V Field Conversion of Air Discharge Vertical Installation ECV Field Conversion of Air Discharge...
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ENERTECH ® WATER-SOURCE HEAT PUMPS Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 This Page Intentionally Left Blank E n e r t e c h Wa t e r - S o u r c e H e a t P u m p s...
Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Model Nomenclature 4 5 6 13 14 0 9 6 S = STANDARD A = DUAL POINT POWER AIR FLOW OPTIONS MODEL TYPE LB = LEFT RETURN/BACK DISCHARGE...
ENERTECH ® WATER-SOURCE HEAT PUMPS Compact Belt Drive (ECH/ V ) Series Storage R e v . : J a n u a r y 2 4 , 2 0 2 3 Pre-Installation General Information ⚠ ⚠ Safety WARNING! Warnings, cautions and notices appear throughout this manual.
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Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 General Information, Cont’d. ⚠ ⚠ Pre-Installation - Installation, Operation, and CAUTION! Maintenance instructions are provided with each unit.
Weight - Corner - Air Coil side (lbs) [kg] 70 [31.8] 80 [36.3] 90 [40.8] Unit with WSE Option ECH Series Water Coil Dimensions (in) [cm] 20 x 54 [50.8 x 137.2] 20 x 60 [50.8 x 152.4] Internal Water Coil Volume (Gal) [L] 5.6 [21.6]...
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Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 ECH072-120 Dimensional Data Discharge Connections Return Air Connections Overall Cabinet Water Connections Electrical Knockouts Duct Flange Using Return Air Opening Model...
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ENERTECH ® WATER-SOURCE HEAT PUMPS Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 ECH072-120 w/WSE Dimensional Data Discharge Connections Return Air Connections...
Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 ECV Physical Data Model Compressor Scroll Number of Circuits (Compressors) Factory Charge HFC-410a - (oz) 60 [1.70] 76 [2.15] 80 [2.27]...
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ENERTECH ® WATER-SOURCE HEAT PUMPS Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 ECV072-120 Dimensional Data Discharge Connection Return Air Connections Using...
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Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 ECV072-120 w/WSE Dimensional Data Discharge Connection Return Air Connections Using Overall Cabinet Water Connections Electric Knockouts Duct Flange Return Air Opening...
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ENERTECH ® WATER-SOURCE HEAT PUMPS Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 ECV160-240 Dimensional Data Return Air Connections Overall Cabinet Discharge Connection Duct Flange...
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Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 ECV160-240 w/WSE Dimensional Data Return Air Connections Overall Cabinet Discharge Connection Duct Flange Water Connections Electrical Knockouts Using Return Air Opening Model...
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ENERTECH ® WATER-SOURCE HEAT PUMPS Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 ECV300 Dimensional Data Return Air Connections Overall Cabinet Discharge Connection Duct Flange...
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Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 ECV300 w/WSE Dimensional Data Return Air Connections Overall Cabinet Discharge Connection Duct Flange Water Connections Electrical Knockouts Using Return Air Opening Model...
ENERTECH ® WATER-SOURCE HEAT PUMPS Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Horizontal Installation Horizontal Unit Location - Units are not designed Mounting Horizontal Units for outdoor installation.
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Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Horizontal Installation, Cont’d. HORIZONTAL INSTALLATION Figure 3: Typical Horizontal Unit Installation Figure 3: Typical Horizontal Unit Installation 3/8"...
ENERTECH ® WATER-SOURCE HEAT PUMPS Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 ECH Field Conversion of Air Discharge ⚠ ⚠ 6. Rotate complete assembly into new position. Locate...
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motor bolts Remove 4 motor bolts Step 3 Compact Belt Drive (ECH/ V ) Series Remove motor R e v . : J a n u a r y 2 4 , 2 0 2 3 Step 1 and blower Step 4 Return air Front...
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ENERTECH ® WATER-SOURCE HEAT PUMPS Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Condensate Piping Duct System Installation Horizontal Installation Figure 5: Right Return Side Discharge to Back Always vent the condensate line when dirt or air can collect in the line or a long horizontal drain line is required.
EC units are typically installed in premature failure of some unit components. Enertech a floor level closet or in a small mechanical room. Refer to will not warrant, or accept responsibility for products Figure 7 for an illustration of a typical installation.
ENERTECH ® WATER-SOURCE HEAT PUMPS Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 ECV Field Conversion of Air Discharge ⚠ ⚠ WARNING!
Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 ECV072-240 Field Conversion of Air Discharge Figure 8: ECV072 - 120 and ECV160-240 Pictorally Shown Top Discharge Steps to Convert to Straight Discharge Step 1 - For ECV072-120 remove 3 panels.
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ENERTECH ® WATER-SOURCE HEAT PUMPS Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 ECV072-240 Field Conversion of Air Discharge, Cont’d. Figure 8, Cont’d.: ECV072 - 120 and ECV160-240 Pictorally Shown...
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Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 ECV072-240 Field Conversion of Air Discharge, Cont’d. Figure 8, Cont’d.: ECV072 - 120 and ECV160-240 Pictorally Shown Top Discharge Steps to Convert to Straight Discharge Step 4 - Rotate blower assembly 90 degrees.
ENERTECH ® WATER-SOURCE HEAT PUMPS Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 ECV300 Field Conversion of Air Discharge Figure 9: ECV300 Top Discharge Steps to Convert to Straight Discharge Step 1 - Remove 5 panels, dividers, and panel mount brackets.
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Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 ECV300 Field Conversion of Air Discharge, Cont’d. Figure 9, Cont’d.: ECV300 Top Discharge Steps to Convert to Straight Discharge Note: Unlike the 160-240, the ECV300 only has 1 location for the motor mount assembly.
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ENERTECH ® WATER-SOURCE HEAT PUMPS Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 ECV300 Field Conversion of Air Discharge, Cont’d. Figure 9, Cont’d.: ECV300 Top...
Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 ECV Field Conversion of Control Box ⚠ ⚠ Step 1 - Remove control box access panel and WARNING! panel box will be relocated to.
ENERTECH ® WATER-SOURCE HEAT PUMPS Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 ECV Field Conversion of Water Connections ⚠ ⚠ WARNING!
Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Vertical Condensate Installation ⚠ ⚠ WARNING! Condensate Piping - ECV - Remove K.O. on side that drain will be connected.
ENERTECH ® WATER-SOURCE HEAT PUMPS Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Piping Installation If the unit is connected to existing ductwork, a previous Similar hoses can be obtained from alternate suppliers.
3.5 gpm per ton [2.9 and 4.5 l/m per kW] of cooling mechanical room plumbing. In piping systems expected capacity. Enertech recommends 3 gpm per ton [3.9 l/m to utilize water temperatures below 50°F [10°C], 1/2” per kW] for most applications of water loop heat pumps.
ENERTECH ® WATER-SOURCE HEAT PUMPS Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Ground-Loop Heat Pump Applications ⚠ ⚠ Test individual horizontal loop circuits before backfilling.
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Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Ground-Loop Heat Pump Applications, Cont’d. HORIZONTAL INSTALLATION Figure 3: Typical Horizontal Unit Installation Figure 14: Typical Ground-Loop Application 3/8"...
ENERTECH ® WATER-SOURCE HEAT PUMPS Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Ground-Water Heat Pump Applications Open Loop - Ground Water Systems - Typical open loop Water Quality Standards - Table 3 should be consulted piping is shown in Figure 15.
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Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Ground-Water Heat Pump Applications, Cont’d. Flow Regulation - Flow regulation can be accomplished devices may produce velocity noise that can be reduced by by two methods.
ENERTECH ® WATER-SOURCE HEAT PUMPS Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Water Quality Standards Table 3: Water Quality Standards Clean water is essential to the performance and life span of water source heat pumps. Contaminants, chemicals, and minerals all have the potential to cause damage to the water heat heat exchanger if not treated properly.
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Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Water Quality Standards, Cont’d. 1. The Water Quality Table provides water quality α Hydrogen Sulfide has an odor of rotten eggs. If one requirements for coaxial &...
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ENERTECH ® WATER-SOURCE HEAT PUMPS Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Water Quality Standards, Cont’d. Measuring Earth Ground Resistance �...
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Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Water Quality Standards, Cont’d. Measuring Electrolysis Voltage and Current 300mV Heat Pump Volt Meter Wire Electrode inserted into port for Voltage measurement Pete's Port...
Line and low voltage wiring must be done in other types of conductors. accordance with local codes or the National Electric Code, whichever is applicable. Table 4a: Enertech Compact (ECH/V) Series Electrical Data - (Standard 60Hz Units) Compressor Total SCCR ka...
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R e v . : J a n u a r y 2 4 , 2 0 2 3 Electrical – Line Voltage, Cont’d. Table 4b: Enertech Compact (ECH/V) Series Electrical Data - (Dual Point Power 60Hz Units) Compressor Power Supply...
ENERTECH ® WATER-SOURCE HEAT PUMPS Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Electrical – Power Wiring ⚠ ⚠ Figure 15 : ECH 072-120 Line Voltage Wiring...
EC units. See “Electrical – Thermostat” more suitable temperature when using an antifreeze (Figure 20) for specific terminal connections. Review the solution. All Enertech units operating with entering appropriate AOM (Application, Operation and Mainte- water temperatures below 59°F [15°C] must include the nance) manual for units with DDC controls.
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ENERTECH ® WATER-SOURCE HEAT PUMPS Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Electrical – Low Voltage Wiring Models with Waterside Economizer - Controller is Figure 19: Optional Motorized Water Valve Wiring factory assembled.
Practically any heat pump thermostat back plate against the wall so that it appears level and will work with Enertech units, provided it has the so the thermostat wires protrude through the middle correct number of heating and cooling stages.
ENERTECH ® WATER-SOURCE HEAT PUMPS Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Controls – CXM2 and DXM2.5 CXM2 Controls For detailed controller information, see the CXM2 Application, Operation, and Maintenance (AOM) manual (part # 97B0137N01).
Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Blower Adjustment ⚠ ⚠ Belt Tensioning - An overly loose belt will, upon motor CAUTION! start, produce a slippage 'squeel' and cause premature belt failure and or intermittent airflow.
ENERTECH ® WATER-SOURCE HEAT PUMPS Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Tensioning V-Belt Drives General Rules of Tensioning DEFLECTION = 1.
Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Blower Sheave Information Table 4a: ECH/V Blower Sheave and Belt Information Drive Package Configuration Model Component Return/Supply...
ENERTECH ® WATER-SOURCE HEAT PUMPS Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 ECH/V 072 Blower Performance All Data is Wet Coil SCFM 0.00...
Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 ECH/V 096 Blower Performance All Data is Wet Coil SCFM 0.00 0.10 0.20 0.30 0.40 0.50 0.60...
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ENERTECH ® WATER-SOURCE HEAT PUMPS Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 ECH/V 096 Blower Performance, Cont’d. Table Continued from Previous Page...
Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 ECH/V 120 Blower Performance All Data is Wet Coil SCFM 0.00 0.10 0.20 0.30 0.40 0.50 0.60...
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ENERTECH ® WATER-SOURCE HEAT PUMPS Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 ECH/V 120 Blower Performance, Cont’d. Table Continued from Previous Page...
Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Blower Performance Data – ECV160 Standard Unit All Data is Wet Coil SCFM 0.00 0.10 0.20 0.30...
ENERTECH ® WATER-SOURCE HEAT PUMPS Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Blower Performance Data – ECV192 Standard Unit All Data is Wet Coil SCFM 0.00...
Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Blower Performance Data – ECV240 Standard Unit All Data is Wet Coil SCFM 0.00 0.10 0.20 0.30...
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ENERTECH ® WATER-SOURCE HEAT PUMPS Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Blower Performance Data – ECV240 Standard Unit, Cont’d. Table Continued from Previous Page...
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Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Blower Performance Data – ECV240 Standard Unit, Cont’d. Table Continued from Previous Page All Data is Wet Coil SCFM 0.00 0.10...
ENERTECH ® WATER-SOURCE HEAT PUMPS Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Blower Performance Data – ECV300 Standard Unit All Data is Wet Coil SCFM 0.00...
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Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Unit Starting and Operating Conditions Operating Limits Commissioning Limits Environment – Units are designed for indoor installation Consult Table 5 for the particular model.
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Models with Waterside Economizer also manually open economizer valve and coil air vents (2) to bleed air from coil. 4. Verify that all strainers are in place (Enertech recommends a strainer with a #20 stainless steel wire mesh). Start the pumps, and systematically check each vent to ensure that all air is bled from the system.
Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Unit Starting and Operating Conditions ⚠ ⚠ WARNING! SYSTEM CHECKOUT System water temperature: Check water temperature WARNING! Polyolester Oil, commonly known as POE oil, is for proper range and also verify heating and cooling a synthetic oil used in many refrigeration systems including...
6. Allow five (5) minutes between tests for pressure to be between 60°F [16°C] and 95°F [35°C]. equalize before beginning heating test. 5. Two factors determine the operating limits of Enertech a. Adjust the thermostat to the lowest setting. Place heat pumps, (a) return air temperature, and (b) water the thermostat mode switch in the “HEAT”...
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Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Unit Start-Up Procedure, Cont’d. ⚠ ⚠ Figure 21: Test Mode Button WARNING! WARNING! When the disconnect switch is closed, high voltage is present in some areas of the electrical panel.
ENERTECH ® WATER-SOURCE HEAT PUMPS Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Unit Operating Conditions • Subcooling is based upon head pressure at compressor Operating Pressure/Temperature tables include the service port;...
Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Start-Up Log Sheet Installer: Complete unit and system checkout and follow unit start-up procedures in the IOM. This form may be used to record unit information, temperatures and pressures during start-up.
ENERTECH ® WATER-SOURCE HEAT PUMPS Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Preventive Maintenance Water Coil Maintenance - Condensate Drain - In areas where airborne bacteria (Direct ground water applications only) may produce a “slimy”...
Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Circuit Diagram with Safety Devices SOURCE SOURCE WATER WATER OUTLET INLET SYMBOL LEGEND BALL VALVE BALL VALVE TEMPERATURE SENSOR (HOSES...
ENERTECH ® WATER-SOURCE HEAT PUMPS Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Functional Troubleshooting Fault Htg Clg Possible Cause Solution Check line voltage circuit breaker and disconnect.
Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Performance Troubleshooting Symptom Htg Clg Possible Cause Solution Dirty filter Replace or clean. Check for dirty air filter and clean or replace. Reduced or no airflow in heating Check fan motor operation and airflow restrictions.
ENERTECH ® WATER-SOURCE HEAT PUMPS Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Functional Troubleshooting – I-P Units Refrigerant Circuit Diagrams Water-to-Air Units...
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Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Notes:...
Greenville, IL 62246 Enertech works continually to improve its products. As a result, the design and specifications of each product at the time for order may be changed without notice and may not be as described herein. Please contact Enertech Technical Service Department at 1-618-664-5860 for specific information on the current design and specifications.
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