Mitsubishi Heavy Industries ESA30EH2-25 Technical Manual
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Mitsubishi Heavy Industries ESA30EH2-25 Technical Manual

Mitsubishi Heavy Industries ESA30EH2-25 Technical Manual

Air to water heat pump
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Manual No.'22・HM-T-420
TECHNICAL MANUAL
AIR TO WATER HEAT PUMP
Q-ton Natural refrigerant CO
water heater
2
Space heating edition
ESA30EH2-25

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Summary of Contents for Mitsubishi Heavy Industries ESA30EH2-25

  • Page 1 Manual No.'22・HM-T-420 TECHNICAL MANUAL AIR TO WATER HEAT PUMP Q-ton Natural refrigerant CO water heater Space heating edition ESA30EH2-25...

  • Page 2: Table Of Contents

    '22 • HM-T-420 CONTENTS ◦ Compatibility ..................... 2 1. GENERAL DESCRIPTION ................3 1.1 Mechanism of CO heat pump for space heating ........3 1.2 CO heat pump for space heating: Operation chart ........4 2. SPECIFICATIONS ..................... 7 2.1 Remote control ................... 7 2.2 Heating performance charcteristics ............

  • Page 3: Compatibility

    Compatibility with previous models This model has a heating function added to the previous models, and various functions have been added or changed. This model Previous models Function Overview ESA30EH2-25 ESA30EH-25 ESA30E-25 Space Weekly timer for heating ○ ○ ×...

  • Page 4: General Description

    In addition to a conventional hot water supply system, the application to a space heating system and a combination of both was enabled in the new model (ESA30EH2-25). On the space heating system, the temperature control circuit (external circulation pump), controls the inlet/outlet of the system.

  • Page 5: Co Heat Pump For Space Heating:operation Chart

    '22 • HM-T-420 1.2 CO heat pump for space heating:Operation chart (1) Operation pattern of CO heat pump water heater (for hot water) This heat pump water heater is operated with the target hot water amount set at each set time. The typical operation pattern and setting items are explained with following figure.
  • Page 6 '22 • HM-T-420 (2) Operation pattern of CO heat pump water heater (for heating) This heat pump can be used as space heating system also. The typical operation pattern and setting items are explained with following figure. Different heating mode is available. ①...
  • Page 7 '22 • HM-T-420 (3) Operation pattern of CO heat pump water heater (for combination use) This heat pump can be connected to the space heating system and hot water storage tank at the same time. The typical operation pattern and setting are explained with following figure. Setting in case of HW &...

  • Page 8: Specifications

    '22 • HM-T-420 2. SPECIFICATIONS 2.1 Remote control (1) Remote control for heat pump water heater (Model : RC-Q1EH2) NOTE: Please use ESA30EH2 together with the remote control “RC-Q1EH2”. (a) Outline dimensional drawing...
  • Page 9 '22 • HM-T-420 (b) List of setting functions Setting and display items Detailed contents 1. Remote control network Multiple heat pump water heater control Max. 16 sets of heat pump water heaters in one Superlink network can be connected to one remote control and controlled by it. Heat pump water heaters address needs to be set.
  • Page 10 '22 • HM-T-420 Setting and display items Detailed contents 5. Administrator settings Administrator password is required 1 Enable/Disable setting ●Permission/prohibition setting of the following operations can be set. [Run/Pause], [Setting of HW temp.], [Change amount of top up]. [Manual operation to fill up], [Setting of schedule], [Select the language], [Heating operation], [Heatin set temp.] 2 Night tariff setting In order to calculate the power consumption in day/night time, the time zone...
  • Page 11 '22 • HM-T-420 (c) Setting method of remote control for heat pump water heater [At the initial use] 1) After the completion of installation, check that the feed water is surely supplied to the hot water supply system firstly and then turn the power ON.
  • Page 12 '22 • HM-T-420 5) When starting the primary setting of operation, the message of “In Primary operation” [Screen 5-1] is displayed on the TOP screen (Screen 5-1). When completing the primary setting of operation, the heat pump water heater is stopped and the message of “In primary operation”...
  • Page 13 '22 • HM-T-420 b) Set the shift temperature +5°C with heating mode “Auto” ① In case of heating mode “Auto”, the heating setting temperature (ThH-1) is determined by the outside air temperature. Set the buttons and tap Set button (Screen ② -1). shift temperature by tapping ▲...
  • Page 14 '22 • HM-T-420 ⑤ [Heating temperature setting screen (Screen ③ -5)] is now displayed. Tap the Auto/Manual button to display “Auto” and tap Set button. ⑥ [Heating setting screen (Screen ③ -6)] is again displayed. Set the time at 8:00 with button and tap Set.
  • Page 15 '22 • HM-T-420 e) Silent mode Silent mode on weekly basis can be set Push the Schedule setting switch on the panel. The menu screen of [Setting of schedule] is displayed. Tap the [Silent mode setting] The selection screen of [Silent mode setting] is displayed.
  • Page 16 '22 • HM-T-420 The [Checking of current set contents] screen is displayed. When changing or adding the setting contents, ① select the column of the setting No. to be changed ② and tap Change button. ■ The setting contents displayed may differ depending on the set day selected ( ☞...
  • Page 17 '22 • HM-T-420 The [Checking of set contents] screen is displayed ( ☞ Go to When tapping Set button, the set contents are confirmed and [Checking of set contents on the day] screen is displayed. ( ☞ Go to If changing or adding the setting contents on the same day continuously, please start the work from The [Checking of setting contents] on the day is displayed.

  • Page 18: Heating Performance Charcteristics

    '22 • HM-T-420 2.2 Heating performance characteristics (1) ⊿t=5 degree Q-ton inlet temperature 20° C / Inlet temperature of floor heating panel (R/C setting) 25° C Max. heating capacity Min. heating capacity Min. heating capacity Max. heating capacity -25 -20 -15 -10 -5 -25 -20 -15 -10 Outdoor air temperature （...
  • Page 19 '22 • HM-T-420 (2) ⊿t=10 degree Q-ton inlet temperature 20° C / Inlet temperature of floor heating panel (R/C setting) 30° C Max. heating capacity Min. heating capacity Min. heating capacity Max. heating capacity -25 -20 -15 -10 -5 -25 -20 -15 -10 Outdoor air temperature （...
  • Page 20 '22 • HM-T-420 (3) ⊿t=15 degree Q-ton inlet temperature 20° C / Inlet temperature of floor heating panel (R/C setting) 35° C Max. heating capacity Min. heating capacity Max. heating capacity Min. heating capacity -25 -20 -15 -10 -5 -25 -20 -15 -10 Outdoor air temperature （...
  • Page 21 '22 • HM-T-420 (4) ⊿t=20 degree Q-ton inlet temperature 20° C / Inlet temperature of floor heating panel (R/C setting) 40° C Max. heating capacity Min. heating capacity Min. heating capacity Max. heating capacity -25 -20 -15 -10 -5 -25 -20 -15 -10 Outdoor air temperature （...
  • Page 22 '22 • HM-T-420 Maximum heating capacity at ⊿t=5 degree Minimum heating capacity at ⊿t=5 degree Q-ton inlet temperature / Q-ton inlet temperature / Inlet Outdoor Heating Power Outdoor Heating Power Inlet temperature of floor temperature of floor heating air temperature ˚C capacity kW consumption kW air temperature ˚C...
  • Page 23 '22 • HM-T-420 Maximum heating capacity at ⊿t=15 degree Minimum heating capacity at ⊿t=15 degree Q-ton inlet temperature / Inlet Q-ton inlet temperature / Inlet Outdoor Heating Power Outdoor Heating Power temperature of floor heating temperature of floor heating air temperature ˚C capacity kW consumption kW air temperature ˚C...

  • Page 24: Control

    '22 • HM-T-420 2.3 Control (1) Functional components for refrigerant cycle For functional components other than those listed below, please see the TECHNICAL MANUAL for DHW system. Symbol Name of component Function Details 1 CM1 Inverter scrotary compressor The compressor speed is controlled to maintain nominal heating capacity according to the outdoor air temperature, return water temperature and heating temperature set by remote control.
  • Page 25 '22 • HM-T-420 (4)-2 Water flow volume and temperature control (Temperature control circuit) The water flow volume is controlled by the smart pump (PC1) and a constant flow valve. The constant flow valve ensures that the flow rate to Q-ton is always 16L/min. The smart pump adjusts the flow rate according to the target deltaT between ThH-1 and ThH-2 (sensor integrated on the smart pump) Be sure to provide an excessive flow alarm output for the external control.
  • Page 26 '22 • HM-T-420 (4)-7 Outline of heating operation Set Nominal target Outdoor temperature Capacity table for space heating heating capacity Target inlet water temp erature (from R/C), Set target gas cooler inlet water temperature Target ⊿t between inlet and outlet water Actual gas cooler Capacityadjustment inlet water temp erature...

  • Page 27: Technical Infromation Of European Regulations

    “COMMISSION DELEGATED REGULATION (EU) No. 813/2013 of 2 August 2013” Implementing Directive 2009/125/EC of the European Parliament and of the Council with regard to ecodesign require- ments for space heaters and combination heaters (c) Target Model Heat Pump Combination Heater ESA30EH2-25 GXM-R-500 × 2 Hot Water Storage Tank GX-1000-RB...
  • Page 28 5 The Square, Stockley Park, Uxbridge, Middlesex, UB11 1ET, UK Tel : +44-333-207-4072 Fax : +44-333-207-4089 http://www.mhiae.com MHIAE SERVICES B.V. (Wholly-owned subsidiary of MITSUBISHI HEAVY INDUSTRIES AIR-CONDITIONING EUROPE,LTD.) Herikerbergweg 238,Luna ArenA,1101 CM Amsterdam,Netherlands Tel : +31-20-406-4535 http://www.mhiaeservices.com/ 2) Heating energy efficiency...
  • Page 29 The appliance is with an outdoor unit and indoor unit. The outdoor unit is an air/water heat pumps including electrical- ly driven compressor. The indoor unit is a domestic hot water storage tank and floor heating panel. 2) Technical data of water heater Model name ESA30EH2-25 Rated voltage (V) 3N~, 380 / 400 / 415 Rated frequency (Hz)

  • Page 30: Application Data

    :Strainer (Y-type) 1-2 Component list of space heating system Part name Model General description ① Heat pump unit ESA30EH2-25 For outdoor temperature -25°C. Remote control for heat pump ② RC-Q1EH2 For setting hot water temperature. water heater (Option part) ③...

  • Page 31: Installation Location

    '22 • HM-T-420 (2) Installation location See the installation manual for hot water supply. (3) Carrying in and installation of unit See the installation manual for hot water supply. (4) Water piping work 4-1 General description Heat pump unit See the installation manual for hot water supply. 3-way valve 4-2 Water piping work ●...

  • Page 32: Control Setting

    '22 • HM-T-420 7-1 Electrical wiring work [Heat pump unit and temperature control circuit diagram] The below diagram shows the wiring connections for combination mode using the smart pump Wilo Stratos MAXO as PC1. If combination mode is not used (hot water), TCCV3 (3 way valve heating-hot water) can be avoided. Heat pump unit PCB TCCV3 Pc1*...
  • Page 33 Setting of pump Item Setting Apprication Heating Settings System type Basic control modes assistant Set auto Constant temperature '22 • HM-T-420 Control mode control differential (△T-const) Setpoints Temperature (ΔT-c) 5℃ Options Function control input External OFF (DI1) 8-2 Setting procedure of the smart pump External interfaces Function Analog input PT1000...

  • Page 34: Commissioning And Handover

    '22 • HM-T-420 (9) Commissioning and handover (1) Before test run [In case of combination system] (a) Be sure to check whether 1MΩ or bigger of insulation resistance can be detected by mea- Change application setting from “DHW” to “Heating”. suring with 500V meggar tester between power terminal and grounding.

  • Page 35: The Behavior After Power Recovery

    '22 • HM-T-420...

  • Page 36: Setting And Operation Models For Space Heating And Configuration Of Master-Slave Units

    '22 • HM-T-420 3.2 Setting and operation models for space heating and configuration of master-slave units (1) Introduction With a master-slave connection, a heat pump water heater is set as the master unit for a floor heating panel,and up to 3 heat pump water heaters are connected as slave units to the master unit.
  • Page 37 '22 • HM-T-420 (3) Component list Part name Model General description ① Heat pump water heater ESA30EH2-25 For outdoor air temperature -25°C Remote control for heat pump water ② RC-Q1EH2 For setting the inlet temperature of the floor heating panel.

  • Page 38: External Input And Output

    '22 • HM-T-420 3.3 External input and output (1) Additional external input terminal for space heating operation In addition to conventional functions, the output shown in the table below has been added for space heating. Usage ( ★ Factory default) Name Specification Remarks...

  • Page 39: Additional 7-Segment Display For Space Heating

    '22 • HM-T-420 4. Additional 7-segment display for space heating Data display Code No. Minimum unit Remark Contents Display range 9:(Factory default) Heating only : 0 Number of tank water temperature sensor 1 piece 0 - 9 Combination : actual number Stop heating operation if hot water strage is lower 10:(Factory default) than this value...

  • Page 40: Option Part: Modbus Interface

    '22 • HM-T-420 5. Option part : Modbus interface (1) Specifications Description INTERFACE KIT Model name RCI-MDQE2 Operation temperature 0 °C to 40 °C Operation humidity less than 90 % RH, non-condensing Stock temperature -20 °C to +70 °C Stock humidity 40 % RH to 90 % RH, non-condensing Power source DC 18 V (XY Line)
  • Page 41 '22 • HM-T-420 (4) Installation work Please install in an indoor location that is not exposed to electromagnetic waves, water, dust, or other foreign substances. The operating temperature range of this product is from 0 °C to 40 °C. Install in a location where the ambient temperature remains within the operating temperature range. However, if the operating temperature range is exceeded, be sure to implement corrective measures such as installation of a cooling fan.
  • Page 42 '22 • HM-T-420 (5) Outline drawing (Metal box)
  • Page 43 AIR TO WATER HEAT PUMP Air-Conditioning & Refrigeration Systems MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD. 2-3, Marunouchi 3-chome, Chiyoda-ku, Tokyo, 100-8332, Japan 16-5, Konan 2-chome, Minato-ku, Tokyo, 108-8215 Japan http://www.mhi-mth.co.jp/en/ http://www.mhi.co.jp Because of our policy of continuous improvement, we reserve the right to make changes in all specifications without notice.

This manual is also suitable for:

Esa30eh-25Esa30e-25

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