Enertech ECH Series Installation Operation & Maintenance

Enertech ECH Series Installation Operation & Maintenance

Compact belt drive

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Enertech
Belt Drive
(ECH/V) Series
Models ECH072 - 120
ECV072 - 300
60Hz - HFC-410A
Installation, Operation
& Maintenance
97B0075N22
Created: January 24, 2023
Compact
®

Table of Contents

Eletrical - Low Voltage Wiring
Unit Starting and Operating Conditions
Piping System Cleaning and Flushing
3
4
6
9
16
18
21
22
23
26
29
30
31
32
33
34
36
38
42
44
45
46
47
48
49
50
51
52
53
55
57
58
59
62
63
64
65
66
68
69
70
71
72
73
74
76

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Summary of Contents for Enertech ECH Series

  • Page 1: Table Of Contents

    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...
  • Page 2 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...
  • Page 3: Model Nomenclature

    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...
  • Page 4: General Information

    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.
  • Page 5 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.
  • Page 6: Ech/V Physical Data (Includes Unit W/Wse)

    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]...
  • Page 7 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...
  • Page 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 ECH072-120 w/WSE Dimensional Data Discharge Connections Return Air Connections...
  • Page 9: Ecv Physical Data (Includes Unit W/Wse)

    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]...
  • Page 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 ECV072-120 Dimensional Data Discharge Connection Return Air Connections Using...
  • Page 11 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...
  • Page 12 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...
  • Page 13 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...
  • Page 14 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...
  • Page 15 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...
  • Page 16: Horizontal 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 Horizontal Installation Horizontal Unit Location - Units are not designed Mounting Horizontal Units for outdoor installation.
  • Page 17 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"...
  • Page 18: Ech/V Field Conversion Of Air Discharge

    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...
  • Page 19 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...
  • Page 20 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.
  • Page 21: Vertical Installation

    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.
  • Page 22: Ecv Field Conversion Of Air Discharge

    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!
  • Page 23: Ecv072-240 Field Conversion Of Air Discharge

    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.
  • Page 24 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...
  • Page 25 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.
  • Page 26: Ecv300 Field Conversion Of Air Discharge

    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.
  • Page 27 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.
  • Page 28 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...
  • Page 29: Ecv Field Conversion Of Control Box

    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.
  • Page 30: Ecv Field Conversion Of Water Connections

    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!
  • Page 31: Vertical Condensate Installation

    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.
  • Page 32: Piping 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 Piping Installation If the unit is connected to existing ductwork, a previous Similar hoses can be obtained from alternate suppliers.
  • Page 33: Water-Loop Heat Pump Applications

    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.
  • Page 34: Ground-Loop Heat Pump Applications

    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.
  • Page 35 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"...
  • Page 36: Ground-Water Heat Pump Applications

    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.
  • Page 37 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.
  • Page 38: Water Quality Standards

    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.
  • Page 39 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 &...
  • Page 40 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 �...
  • Page 41 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...
  • Page 42: Electrical - Line Voltage

    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...
  • Page 43 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...
  • Page 44: Electrical - Power Wiring

    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...
  • Page 45: Electrical - Power & Low 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.
  • Page 46 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.
  • Page 47: Electrical - Thermostat Wiring

    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.
  • Page 48: Controls - Cxm2 And Dxm2.5

    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).
  • Page 49: Blower Adjustment

    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.
  • Page 50: Tensioning V-Belt Drives

    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.
  • Page 51: Blower Sheave Information

    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...
  • Page 52: Ech/V072 Blower Performance

    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...
  • Page 53: Ech/V 096 Blower Performance

    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...
  • Page 54 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...
  • Page 55: Ech/V 120 Blower Performance

    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...
  • Page 56 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...
  • Page 57: Blower Performance Data - Ecv160 Standard Unit

    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...
  • Page 58: Blower Performance Data - Ecv192 Standard Unit

    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...
  • Page 59: Blower Performance Data - Ecv240 Standard Unit

    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...
  • Page 60 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...
  • Page 61 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...
  • Page 62: Blower Performance Data - Ecv300 Standard Unit

    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...
  • Page 63 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.
  • Page 64 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.
  • Page 65: Unit Starting And Operating Conditions

    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...
  • Page 66: Unit Start-Up Procedure

    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”...
  • Page 67 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.
  • Page 68: Unit Operating Conditions

    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;...
  • Page 69: Start-Up Log Sheet

    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.
  • Page 70: Preventive Maintenance

    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”...
  • Page 71: Circuit Diagram With Safety Devices

    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...
  • Page 72: Functional Troubleshooting

    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.
  • Page 73: Performance Troubleshooting

    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.
  • Page 74: Functional Troubleshooting - I-P Units

    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...
  • Page 75 Compact Belt Drive (ECH/ V ) Series R e v . : J a n u a r y 2 4 , 2 0 2 3 Notes:...
  • Page 76: Revision History

    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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