Weil-McLain Eco HP 41 Application Manual
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Weil-McLain Eco HP 41 Application Manual

Weil-McLain Eco HP 41 Application Manual

Split air-to-water heat pump
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41 / 48 / 55
Split Air-to-Water Heat Pump
Application Guide
• Installation
• Startup
This manual must only be used by a qualified heating installer/service technician. Read all instructions, including this
manual and all other information shipped with the boiler, before installing. Perform steps in the order given. Failure to
comply could result in severe personal injury, death or substantial property damage.
Part number 550-100-588/1224

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Summary of Contents for Weil-McLain Eco HP 41

  • Page 1 41 / 48 / 55 Split Air-to-Water Heat Pump Application Guide • Installation • Startup This manual must only be used by a qualified heating installer/service technician. Read all instructions, including this manual and all other information shipped with the boiler, before installing. Perform steps in the order given. Failure to comply could result in severe personal injury, death or substantial property damage.

  • Page 2: Table Of Contents

    HP Heat Pump – Application Guide Contents Section 1 - Safety SYSTEM TYPE B Hazard Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Application B1: Multi-zone space heating DHW as zone, boiler direct piped .

  • Page 3: Application Selection

    HP Heat Pump – Application Guide Overview Configuration Steps / Walk-Through It is important to follow the below setup process to best configure your installation. General Piping: Verify all piping is configured and installed correctly. System Type: Verify system type to properly setup controls.
  • Page 4 HP Heat Pump – Application Guide This page intentionally left blank. Part Number 550-100-588/1224...

  • Page 5: Section 1 - Safety

    HP Heat Pump – Application Guide Section 1 Safety Hazard Definitions The following defined terms are used throughout this guide to bring attention to the presence of hazards of various risk levels or to important information concerning the life of the product. Indicates presence of hazards that will cause severe personal injury, death or substantial property damage.

  • Page 6: Please Read Before Proceeding

    HP Heat Pump – Application Guide Please Read Before Proceeding This guide provides system application information only. It must be used only as a supplement to the Eco HP Heat Pump manual and applicable code requirements. Before using this guide, refer to and follow all instructions in the HP IDU and ODU Manuals for initial installation.

  • Page 7: Section 2 - Installation

    General Piping Requirements Easy Up Manifold The Eco HP must always be piped in an isolation loop Weil-McLain offers an Easy-Up Manifold Kit that includes off of system distribution piping. Additionally, a heat trap near Eco HP piping and system secondary connection.

  • Page 8: Fabricated Manifold

    HP Heat Pump – Application Guide General Piping (continued) Fabricated Manifold If the WM Easy-Up Manifold is not used the following requirements must be met for an installer-built manifold: y A heat trap height of at least 2 inches for both the inlet and outlet. A Y-Strainer with 80 mesh screen on the inlet (Y-Strainer must be oriented where flow direction is down or horizontal) y The heat pump circulator can be place anywhere in the heat pump isolation loop provided its orientation complies with the circulator manufacturer’s installation guidelines.

  • Page 9: Heat Pump/Boiler Piping Order

    HP Heat Pump – Application Guide General Piping (continued) Heat Pump/Boiler Piping Order HP Upstream of Boiler HP - ON System System Supply Return BOILER - ON Boiler Boiler Supply Return Supply Return HP - ON System System Supply BOILER - OFF Return Boiler Boiler...

  • Page 10: System Type

    HP Heat Pump – Application Guide System Type System Type A: WM Boiler w/ Unity 2 .0 & WM Heat Pump Figure 3 System Type A - Boiler (Master); Eco HP (Shadow) System Type A Boiler (Master); Heat Pump (Shadow) Unity 2.0 boilers connect up to 4 zone inputs and 4 configurable outputs* ECO HP Unity 2.0 Boiler...

  • Page 11: Thermostat Input

    HP Heat Pump – Application Guide System Type (continued) System Type B: WM Heat Pump & any Boiler with a Thermostat Input Figure 4 System Type B - Eco HP (Master); Boiler (Shadow) System Type B ECO HP (Master); Boiler (Shadow) Domestic - Priority Thermostat Interface Unit (Zone Panel)

  • Page 12: System Type C: Hp Only And Multi-Hp

    HP Heat Pump – Application Guide System Type (continued) System Type C: HP Only and Multi-HP Figure 5 System Type C - Eco HP Solo System Type C ECO HP Solo Input 1 Thermostat Interface Unit (Zone Panel) ECO HP (Indoor Unit) Input 2 120V...

  • Page 13: General Control Settings (Hp, Boiler, Tiu)

    • System fluid (water or glycol mix) • Piping • Circulators Contact Weil-McLain for access to this tool as well as sizing and application support. The outdoor reset curves will including the following temperatures: • maximum water flow temperature •...

  • Page 14: Weather Temp Set (Outdoor Reset)

    HP Heat Pump – Application Guide General Control Settings (HP, Boiler, TIU) (continued) FOR SERVICEMAN Mode Figure 6 Home Screen Figure 8 Entering serviceman menu Leftward Upward Press and hold 'Menu' (≡) and 'Rightward' (>) simultaneously Menu / Return ON / OFF for 3 seconds to enter the authorization page.

  • Page 15: Heating Setting

    HP Heat Pump – Application Guide General Control Settings (HP, Boiler, TIU) (continued) Table 1 Heating Setting menu parameters Code State Default Minimum Maximum Unit Interval Enable or Disable the heating mode. Heating Mode* 0=NO, 1=YES t_T4_Fresh_H The refresh time of climate related curves in heating mode 0 .5 0 .5 0 .5...

  • Page 16: Room Thermostat

    HP Heat Pump – Application Guide General Control Settings (HP, Boiler, TIU) (continued) Room Thermostat Other Heat Source Figure 12 Room Thermostat Setting Figure 13 Heating and DHW Inputs may be paired with dry contacts only. 24Vac Thermostats require using the provided Thermostat Code State Interface Unit or a control device with end switches rated...

  • Page 17: Heat Pump Control Schematic

    HP Heat Pump – Application Guide General Control Settings (HP, Boiler, TIU) (continued) Heat Pump Control Schematic Figure 14 Heat Pump Control Schematic High Voltage: Disconnect all power before servicing or installing this unit. Multiple power sources may be present. Failure to do so may cause property damage,personal injury,or death. 16010600A10031 2024.07.24 WARNING...

  • Page 18: Unity 2.0 Ahd

    ODT and Target the usage of standard 24V thermostats with the WM ECO Temp mode. HP. Weil-Mclain offers a zone valve TIU (Taco ZVC404-5) and a zone circulator TIU (Taco SR503-5) AHD ODT Mode...

  • Page 19: Section 3 - Applications

    HP Heat Pump – Application Guide Section 3 Applications This page intentionally left blank. Part Number 550-100-588/1224...

  • Page 20: Zone

    HP Heat Pump – Application Guide System Type A Application A1: Multi-zone space heating, DHW as zone If boiler will run concurrently with the heat pump, boiler must be downstream from heat pump to prevent high return water temperatures . Overview •...

  • Page 21: System Type A

    HP Heat Pump – Application Guide System Type A (continued) Application A1: Multi-zone space heating, DHW as zone (continued) Application Piping Legend 15 . Return temperature sensor. 26 . Zone Valves. Boiler. Y-Strainer with 80 mesh screen. 16 . Supply temperature sensor. 27 .

  • Page 22: Application Wiring

    HP Heat Pump – Application Guide System Type A (continued) Application A1: Multi-zone space heating, DHW as zone (continued) Application Wiring Figure 17 Application A1: Multi-zone space heating, DHW as zone Application Wiring BLACK WHITE To AHD 2 (Heating) To AHD 1 (DHW) C1 C1 C1 C1 C1 C1 C1...
  • Page 23 HP Heat Pump – Application Guide System Type A (continued) Application A1: Multi-zone space heating, DHW as zone (continued) Application Wiring (continued) Figure 18 Application A1: Multi-zone space heating, DHW as zone Application Wiring Zone Thermostat 4 Zone AHD 2 Thermostat 3 eating) Zone...

  • Page 24: Control Settings

    HP Heat Pump – Application Guide System Type A (continued) Application A1: Multi-zone space heating, DHW as zone (continued) Control Settings Boiler (Master) Configuration After entering the contractor menu, ensure the settings in the following sub-menus are set as noted. System Settings INPUT/OUTPUT 1 INPUT/OUTPUT 2...
  • Page 25 HP Heat Pump – Application Guide System Type A (continued) Application A1: Multi-zone space heating, DHW as zone (continued) Control Settings (continued) HP (Shadow) Configuration See pg XX-YY for basic settings and navigation Weather Temp . Settings T1SetH1 Per ECOCalc T1SetH2 Per ECOCalc T4H1...

  • Page 26: Only Dhw

    HP Heat Pump – Application Guide System Type A (continued) Application A2: Multi-zone Space Heating, Boiler only DHW Overview • Two zones for space heating, zoned with circulators, through the WM Unity 2.0 controlled boiler. • DHW provided by ECO Tec Combi. •...

  • Page 27: Application Piping

    HP Heat Pump – Application Guide System Type A (continued) Application A2: Multi-zone Space Heating, Boiler only DHW (continued) Application Piping Legend 15 . Return temperature sensor. 26 . Zone Valves. Boiler. Y-Strainer with 80 mesh screen. 16 . Supply temperature sensor. 27 .

  • Page 28: Application Wiring

    HP Heat Pump – Application Guide System Type A (continued) Application A2: Multi-zone Space Heating, Boiler only DHW (continued) Application Wiring Figure 20 Application A2: Multi-zone Space Heating, Boiler only DHW Application Wiring BLACK WHITE To AHD 2 (Heating) C1 C1 C1 C1 C1 C1 C1 class2 WHITE...
  • Page 29 HP Heat Pump – Application Guide System Type A (continued) Application A2: Multi-zone Space Heating, Boiler only DHW (continued) Application Wiring (continued) Figure 21 Application A2: Multi-zone Space Heating, Boiler only DHW Application Wiring Zone AHD 2 Thermostat 3 eating) Zone Thermostat 2 AHD 1...

  • Page 30: Application A2: Multi-Zone Space Heating, Boiler

    HP Heat Pump – Application Guide System Type A (continued) Application A2: Multi-zone Space Heating, Boiler only DHW (continued) Control Settings Boiler (Master) Configuration After entering the contractor menu, ensure the settings in the following sub-menus are set as noted. System Settings INPUT/OUTPUT 2 INPUT/OUTPUT 3...
  • Page 31 HP Heat Pump – Application Guide System Type A (continued) Application A2: Multi-zone Space Heating, Boiler only DHW (continued) Control Settings (continued) HP (Shadow) Configuration See pg XX-YY for basic settings and navigation Weather Temp . Settings T1SetH1 Per ECOCalc T1SetH2 Per ECOCalc T4H1...

  • Page 32: System Type B

    HP Heat Pump – Application Guide System Type B Application B1: Multi-zone space heating DHW as zone, boiler direct piped Overview • Two zones for space heating, zoned with circulators, through the TIU. • One zone for DHW, zoned with circulators, through the TIU. •...

  • Page 33: Application Piping

    HP Heat Pump – Application Guide System Type B (continued) Application B1: Multi-zone space heating DHW as zone, boiler direct piped (continued) Application Piping Legend 14 . Unions as needed for service. 26 . Zone Valves. Boiler. Y-Strainer with 80 mesh screen.

  • Page 34: Application Wiring

    HP Heat Pump – Application Guide System Type B (continued) Application B1: Multi-zone space heating DHW as zone, boiler direct piped (continued) Application Wiring Figure 23 Application B1: Multi-zone space heating DHW as zone, boiler direct piped Application Wiring BLACK WHITE To TIU Main End Switch...
  • Page 35 HP Heat Pump – Application Guide System Type B (continued) Application B1: Multi-zone space heating DHW as zone, boiler direct piped (continued) Application Wiring (continued) Figure 24 Application B1: Multi-zone space heating DHW as zone, boiler direct piped Application Wiring (SR-503-5) rity 120Vac...

  • Page 36: Control Settings

    HP Heat Pump – Application Guide System Type B (continued) Application B1: Multi-zone space heating DHW as zone, boiler direct piped (continued) Control Settings HP (Master) Configuration See pg XX-YY for basic settings and navigation Weather Temp . Settings T1SetH1 Per ECOCalc T1SetH2 Per ECOCalc...
  • Page 37 HP Heat Pump – Application Guide This page intentionally left blank. Part Number 550-100-588/1224...

  • Page 38: Zone - Primary/Secondary

    HP Heat Pump – Application Guide System Type B (continued) Application B2: Multi-zone space heating DHW as zone - Primary/ Secondary Overview • Two zones for space heating, zoned with circulators, through the TIU. • One zone for DHW, zoned with circulators, through the TIU. •...

  • Page 39: Application B2: Multi-Zone Space Heating Dhw As

    HP Heat Pump – Application Guide System Type B (continued) Application B2: Multi-zone space heating DHW as zone - Primary/ Secondary (continued) Application Piping Legend 14 . Unions as needed for service. 26 . Zone Valves. Boiler. Y-Strainer with 80 mesh screen.

  • Page 40: Application Wiring

    HP Heat Pump – Application Guide System Type B (continued) Application B2: Multi-zone space heating DHW as zone - Primary/ Secondary (continued) Application Wiring Figure 26 Application B2: Multi-zone space heating DHW as zone - Primary/Secondary Application Wiring BLACK WHITE To TIU Main End Switch (Heating)
  • Page 41 HP Heat Pump – Application Guide System Type B (continued) Application B2: Multi-zone space heating DHW as zone - Primary/ Secondary (continued) Application Wiring (continued) Figure 27 Application B2: Multi-zone space heating DHW as zone - Primary/Secondary Application Wiring o TIU Main End Switch (Heating) (SR-503-5)

  • Page 42: Control Settings

    HP Heat Pump – Application Guide System Type B (continued) Application B2: Multi-zone space heating DHW as zone - Primary/ Secondary (continued) Control Settings Boiler (Shadow) Configuration After entering the contractor menu, ensure the settings in the following sub-menus are set as noted. System Settings PRIORITY 2 System Type...
  • Page 43 HP Heat Pump – Application Guide This page intentionally left blank. Part Number 550-100-588/1224...

  • Page 44: Application B3: Multi-Zone Space Heating Boiler Only Dhw

    HP Heat Pump – Application Guide System Type B Application B3: Multi-zone Space Heating boiler only DHW Overview • Three zones for space heating, zoned with circulators, through the TIU. • One zone for DHW, direct piped with circulator, through boiler. •...

  • Page 45: Application Piping

    HP Heat Pump – Application Guide System Type B Application B3: Multi-zone Space Heating boiler only DHW (continued) Application Piping Legend 14 . Unions as needed for service. 26 . Zone Valves. Boiler. Y-Strainer with 80 mesh screen. 27 . Bypass pressure regulator 2 .

  • Page 46: Application Wiring

    HP Heat Pump – Application Guide System Type B (continued) Application B3: Multi-zone Space Heating boiler only DHW (continued) Application Wiring Figure 29 Application B3: Multi-zone Space Heating boiler only DHW Application Wiring BLACK WHITE To TUI Main End Switch (Heating) C1 C1 C1 C1 C1 C1 C1...
  • Page 47 HP Heat Pump – Application Guide System Type B (continued) Application B3: Multi-zone Space Heating boiler only DHW (continued) Application Wiring (continued) Figure 30 Application B3: Multi-zone Space Heating boiler only DHW Application Wiring Priority On dipswitch must be set to OFF TUI Main nd Switch Heating)

  • Page 48: Control Settings

    HP Heat Pump – Application Guide System Type B (continued) Application B3: Multi-zone Space Heating boiler only DHW (continued) Control Settings Ultra Boiler (Shadow) Configuration After entering the contractor menu, ensure the settings in the following sub-menus are set as noted . System Settings PRIORITY 1 System Type...
  • Page 49 HP Heat Pump – Application Guide System Type B (continued) Application B3: Multi-zone Space Heating boiler only DHW (continued) Control Settings (continued) HP (Master) Configuration See pg XX-YY for basic settings and navigation Weather Temp . Settings T1SetH1 Per ECOCalc T1SetH2 Per ECOCalc T4H1...

  • Page 50: System Type C

    HP Heat Pump – Application Guide System Type C Application C1: Multi-zone Space Heating Overview • Three zones for space heating, zoned with circulators, through the TIU. ECO HP Control Settings • See table on page 54 for heat pump control settings. •...

  • Page 51: Application Piping

    HP Heat Pump – Application Guide System Type C (continued) Application C1: Multi-zone Space Heating (continued) Application Piping Legend 9 . Air separator. 27 . Bypass pressure regulator Relief valve, supplied with 17 . HP Heat Pump boiler and heat pump, field 10 .

  • Page 52: Application Wiring

    HP Heat Pump – Application Guide System Type C (continued) Application C1: Multi-zone Space Heating (continued) Application Wiring Figure 32 Application C1: Multi-zone Space Heating Application Wiring BLACK WHITE To TUI Priority End Switch (Heating) C1 C1 C1 C1 C1 C1 C1 class2 WHITE BLACK...
  • Page 53 HP Heat Pump – Application Guide System Type C (continued) Application C1: Multi-zone Space Heating (continued) Application Wiring (continued) Figure 33 Application C1: Multi-zone Space Heating Application Wiring Priority On dipswitch must be set to OFF ority (SR-503-5) 120Vac Input Zone Circ Zone Circ Zone Circ...

  • Page 54: Control Settings

    HP Heat Pump – Application Guide System Type C (continued) Application C1: Multi-zone Space Heating (continued) Control Settings HP (Master) Configuration See pg XX-YY for basic settings and navigation Weather Temp . Settings T1SetH1 Per ECOCalc T1SetH2 Per ECOCalc T4H1 Per ECOCalc T4H2 Per ECOCalc...
  • Page 55 HP Heat Pump – Application Guide This page intentionally left blank. Part Number 550-100-588/1224...

  • Page 56: Application C2: Multi-Zone Space Heating

    HP Heat Pump – Application Guide System Type C (continued) Application C2: Multi-zone Space Heating Overview • Multiple zones zones for space heating only, zoned with zone valves, end switches wired to the HP. ECO HP Control Settings • See table on page 59 for heat pump control settings. •...

  • Page 57: Application Piping

    HP Heat Pump – Application Guide System Type C (continued) Application C2: Multi-zone Space Heating (continued) Application Piping Legend 9 . Air separator. 27 . Bypass pressure regulator Relief valve, supplied with 17 . HP Heat Pump boiler and heat pump, field 10 .

  • Page 58: Application Wiring

    HP Heat Pump – Application Guide System Type C (continued) Application C2: Multi-zone Space Heating (continued) Application Wiring Figure 35 Application C2: Multi-zone Space Heating Application Wiring BLACK WHITE Zone valve end switches C1 C1 C1 C1 C1 C1 C1 class2 If System Circ draws more System Circ...

  • Page 59: Control Settings

    HP Heat Pump – Application Guide System Type C (continued) Application C2: Multi-zone Space Heating (continued) Control Settings HP (Master) Configuration See pg XX-YY for basic settings and navigation Weather Temp . Settings T1SetH1 Per ECOCalc T1SetH2 Per ECOCalc T4H1 Per ECOCalc T4H2 Per ECOCalc...

  • Page 60: Zone

    HP Heat Pump – Application Guide System Type C (continued) Application C3: Multi-zone space heating DHW as zone Overview • Two zones for space heating, zoned with circulators, through the TIU. • One zone for DHW, direct piped with circulator, through the TIU. •...

  • Page 61: Application Piping

    HP Heat Pump – Application Guide System Type C (continued) Application C3: Multi-zone space heating DHW as zone (continued) Application Piping Legend 2 . Indirect water heater, if used 13 . Heat trap. 26 . Zone Valves. Y-Strainer with 80 mesh (domestic water piping not screen.

  • Page 62: Application Wiring

    HP Heat Pump – Application Guide System Type C (continued) Application C3: Multi-zone space heating DHW as zone (continued) Application Wiring Figure 37 Application C3: Multi-zone space heating DHW as zone Application Wiring BLACK WHITE To TUI Main End Switch (Heating) To TUI Priority End Switch...
  • Page 63 HP Heat Pump – Application Guide System Type C (continued) Application C3: Multi-zone space heating DHW as zone (continued) Application Wiring (continued) Figure 38 Application C3: Multi-zone space heating DHW as zone Application Wiring I Main Switch ting) (SR-503-5) Priority Switch 120Vac Input...

  • Page 64: Control Settings

    HP Heat Pump – Application Guide System Type C (continued) Application C3: Multi-zone space heating DHW as zone (continued) Control Settings HP (Master) Configuration See pg XX-YY for basic settings and navigation Weather Temp . Settings T1SetH1 Per ECOCalc T1SetH2 Per ECOCalc T4H1 Per ECOCalc...

  • Page 65: Section 4 - Commissioning/Troubleshooting

    HP Heat Pump – Application Guide Section 4 Commissioning/Troubleshooting VERIFY PROPER OPERATION AFTER SERVICING Please reference the Eco HP IDU manual Hardness less than 7 grains and the relevant boiler manuals for specific 1 . Consult local water treatment companies for unusually startup instructions .

  • Page 66: Fill And Test Water System

    Purge Air from Water System for use in Weil-McLain heat pump. Do not apply these products or instructions for other applications. Local 1 . Connect a hose to the system purge valve. Route hose codes may require a back flow preventer or actual to an area where water can drain and be seen.
  • Page 67 Add additional inhibitor if necessary. Verify Flow Rate Through Eco 4 . See separate instructions or weil-mclain.com for 1 . Check the hydraulic configuration to find out the space suggested guidelines to determine how much inhibitor heating loops that can be closed by mechanical, to use.

  • Page 68: Troubleshooting

    HP Heat Pump – Application Guide General Commissioning Troubleshooting (continued) 2 . For system Type B applications This section provides useful information for diagnosing and correcting certain troubles which may occur in the a . Provide a thermostat call to test. The Eco unit.

  • Page 69: Error Codes

    HP Heat Pump – Application Guide Error Codes Error Code Description Notes Transducer module temperature too high protection. Verify circulator is operating and there Water flow failure (E8 appears 3 times) is no air in the system Phase sequence error (for 3phase models) Not applicable to the Eco Verify wiring connections are secure Communication error between the main control board of the hydraulic...
  • Page 70 HP Heat Pump – Application Guide Error Codes (continued) Error Code Description Notes H6 appears 10 times in 120min Low pressure protection (pressure < 0.6MPa for 3 times in one hour) Low pressure protection High pressure protection Compressor current protection Discharge temperature sensor Tp protection High temperature difference between water side heat exchanger water inlet and water outlet temperatures protection...
  • Page 71 HP Heat Pump – Application Guide Error Codes (continued) Symptom 2: The unit is turned on but the compressor is not starting (space heating or domestic water heating) POSSIBLE CAUSES CORRECTIVE ACTION In case of low water temperature, the system utilizes the AHS to reach the minimum water temperature first (54 °F).
  • Page 72 HP Heat Pump – Application Guide Error Codes (continued) Symptom 7: Heat mode can’t change to DHW mode immediately POSSIBLE CAUSES CORRECTIVE ACTION Check whether there is a problem with the DHW wiring and whether The heat pump does not receive the control signal DHW=ON the DHW=ON signal can be sent correctly.

  • Page 73: Ecocalc Value Records

    HP Heat Pump – Application Guide EcoCalc Value Records Parameter Description Priority 1 Priority 2 Priority 3 WWSD Temp Max outdoor temperature heating will operate Outdoor Temperature Min outdoor temperature HP will operate Setpoint Target Crossover Temp Max Target Temperature HP will operate AHD Assign Contact AHD Contact used for Priority Order AHD contact will activate, 1st (contacts close immediately with call for heat), 2nd...
  • Page 74 HP Heat Pump – Application Guide NOTES _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ Part Number 550-100-588/1224...
  • Page 75 HP Heat Pump – Application Guide NOTES _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ Part Number 550-100-588/1224...
  • Page 76 HP Heat Pump – Application Guide WM Technologies, LLC 500 Blaine Street Michigan City, IN 46360-2388 weil-mclain.com...

This manual is also suitable for:

Eco hp 48Eco hp 55

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