Mitsubishi Electric ZENSHIN Ecodan QAHV Setup Manual
  1. Manuals
  2. Brands
  3. Mitsubishi Electric Manuals
  4. Heat Pump
  5. ZENSHIN Ecodan QAHV
  6. Setup manual
Mitsubishi Electric ZENSHIN Ecodan QAHV Setup Manual

Mitsubishi Electric ZENSHIN Ecodan QAHV Setup Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Version 1.2
1

Advertisement

Table of Contents
loading

Related Manuals for Mitsubishi Electric ZENSHIN Ecodan QAHV

Summary of Contents for Mitsubishi Electric ZENSHIN Ecodan QAHV

  • Page 1 Version 1.2...

  • Page 2: Table Of Contents

    Contents 1. Commissioning Process flow chart .................... 3 2. Transit Bolts ............................. 4 3. Dip switch settings table ......................5 4. Table of settings items ........................7 5. Air bleed operation Primary Circuit .................... 9 6. Air bleed operation Secondary Circuit..................11 7.

  • Page 3: Commissioning Process Flow Chart

    1. Commissioning Process flow chart Start System water circuit fully filled Please complete and flushed. Carry out air bleed on the Details page 9 primary circuit Carry out air bleed on the Details page 11 secondary circuit Single System comprise of a single or Single, detail page 19 multiple units Completed...

  • Page 4: Transit Bolts

    2. Transit Bolts...

  • Page 5: Dip Switch Settings Table

    3. Dip switch settings table...
  • Page 6 During the trial run, set the slide switch SWS2 on the board within the control box to the lower position. It is set to the upper side by default to force the pump and compressor to stop to protect the pump from being harmed by the anti-freezing process if there is no water flowing or the valve is closed before the test run.

  • Page 7: Table Of Settings Items

    4. Table of settings items Set the dip switches SW2 and SW3 as shown in the table below to set the value for the items in the "Setting item" column.
  • Page 8 *1 Set to “1” when individual system and connected to AE-200. *2 Set to "3" when using all modes (Mode 1,2, and 3). Set to "2" when using mode 1 and mode 2. Set to "1" when using mode 1. *3 Only Six-sensor method *4 Required only when AE-200 is connected.

  • Page 9: Air Bleed Operation Primary Circuit

    5. Air bleed operation Primary Circuit For each circuit, perform at least three sets of at least 5 minutes in duration. During the air bleeding operation, use the method below (*1) to display the water flow rate during operation and check it is stable Step Procedure Operation &...
  • Page 10 Water flow rate display...

  • Page 11: Air Bleed Operation Secondary Circuit

    6. Air bleed operation Secondary Circuit (Note 1) As a stopgap measure, change the settings of SW2-9 and SW2-3 as shown in the table below, then restart the power. Multiple change- Local/internal change- over switch over switch SW 2-9 SW 2-3 When start-up operation has NOT completed When start-up operation has completed If water shutoff error 2601 occurs during the air bleeding operation, resolve the issue, then change the...
  • Page 12 Water flow rate display...

  • Page 13: Water Flow Rate Adjustment Operation (Secondary Side Control Is Disabled)

    7. Water flow rate adjustment operation (when the secondary side control is disabled) Table A Procedure & check point Information Step Content Check the water level Water level If the start-up operation has not finished, SW2-9 and SW2-3 need to be set (see Power operation Turn the power ON Note 1).If this flow rate adjustment...
  • Page 14 Checking the flow rate after the flow rate adjustment operation Is the secondary side Continue to page disabled? Has the steps been Complete Steps completed in table A? Please set the following dipswitches Press SWP3 repeatedly until "dxx" is displayed "dxx"...
  • Page 15 Note Perform a water flow rate adjustment operation in a multiple-unit system at the same time. When the pump output opening is 16 percent, and all of the values (item codes d01 through d09) are not "0." The air isn't completely bled out.

  • Page 16: Water Flow Rate Adjustment Operation (Secondary Side Control Is Enabled)

    8. Water flow rate adjustment operation (when the secondary side control is enabled) Table B Procedure & check point Information Step Content Check the water level Water level If the start-up operation has not finished, SW2-9 and SW2-3 need to be set (see Power operation Turn the power ON Note 1).If this flow rate adjustment...
  • Page 17 Checking the flow rate after the flow rate adjustment operation on secondary side Turn function code Is the secondary side 121 to "1" & reset enabled? the system Has the steps been Complete Steps completed in table B? Please set the following dipswitches Press SWP3 repeatedly until "dxx"...
  • Page 18 Is the flow rate at 2L/min Air may still be present, Perform an air bleeding operation and or above through output water flow rate adjustment operation again 1000 to 100? Press SWP1 or SWP2 to display the operation result of the flow rate Pump output value Flow rate Pump output value...

  • Page 19: Individual System

    9. Individual System M-Net and Addressing (Set as below) N.B - POWER OFF ALL UNITS TO MAKE CHANGES Individual Unit - Dip Switches (Black indicates change, Grey indicates display mode or option, White leave as When the power is switched on, the following codes will appear on the LED: •...
  • Page 20 Performing a soft reset (1) Set the rotary switch SWU3 to "F." [FFFF] will appear in the LED1. (2) Press and hold the push switch SWP3 for one second or longer. • While the system is starting up [9999] will appear on LED1. •...

  • Page 21: Multiple System

    10. Multiple system M-Net and Addressing (Set as below) N.B - POWER OFF ALL UNITS TO MAKE CHANGES Setting the switches on the main unit Set the dip switch SW2-9 to ON. (multiple unit control) Dip Switches (Red indicates mandatory change, Black indicates change, Grey indicates display mode or option, White leave as is.
  • Page 22 Setting the switches on all sub units Set the dip switch SW2-9 to ON. (multiple unit control) Set the dip switch SW2-6 to OFF. (power supply to communication circuit) Dip Switches (Red indicates mandatory change, Black indicates change, Grey indicates display mode or option, White leave as is.
  • Page 23 Set Dipswitches to * [EEEE] will disappear, and an item code ([101]) will appear on LED1 1 Use SWP3 to toggle through the item codes and select an item code to change its current value. (The item codes will appear in the following order: [101]→[104]→[105]→[106]→...
  • Page 24 Set SWS1 to OFF from the remote controller or with the local switch. Step 1 Settings cannot be changed unless the ON/OFF switch is set to OFF. Set the dip switches on the circuit board as follows before making the settings for the items Step 2 Select the desired item with the push switch SWP3.

  • Page 25: Sensor Method Settings

    11. Sensor method settings When using multiple units, configure the same settings for each unit. * When “Local control method” is selected, hot water storage operation ON/OFF control is performed by ON/OFF status of TB6 32-33. PAR-W31MAA must be installed...
  • Page 26 Sensor locations Sensor TH15 wires to terminal 25 and 26 on terminal TB5. Sensor TH16 wires to terminal 27 and 28 on terminal TB5. Sensor TH17 wires to terminal 27 and 30 on terminal TB5. Sensors with 2 or more QAHV units...

  • Page 27: Three-Sensor Method Or Six-Sensor Method Setting

    12. Three-sensor method or six-sensor method setting Use the separately sold thermistor (TW-TH16E) to control the water temperature in the storage tank Usage example Operation example (Three-sensor method - when a remote controller PAR-W31MAA is used) Operation mode: Mode 1 Mode 1 Thermo-ON thermistor selection (Item code 1500): 1 Mode 1 Thermo-OFF thermistor selection (Item code 1501): 3...
  • Page 28 * Set the operation mode and water temperature from the remote controller PAR-W31MAA. * Use the separately sold TW-TH16E temperature thermistor. Two or more units are needed to use the six-sensor method. * Make sure to set the unit outlet hot water temperature. * Configure the thermo ON/OFF values based on system requirements...
  • Page 29 Referring to below, configure the settings for each unit according to the system.

  • Page 30: Settings Using Analogue Input

    13. Settings using Analogue input...

  • Page 32: Setting The Outlet Hot Water Temperature Control Method

    14. Setting the outlet hot water temperature control method Selecting the outlet hot water temperature setting method Select one of the following three outlet hot water temperature setting methods.

  • Page 33: Outlet Hot Water Temperature Setting From Pcb

    15. Outlet hot water temperature setting from PCB...

  • Page 34: External I/O

    16. External I/O...
  • Page 35 1. When AE-200 is connected, leave the power jumper on the outdoor unit as it is (Connected to CN41 at factory shipment). If the power jumper is connected to CN40, power will excessively be supplied, and AE-200 will not properly function. 2.

  • Page 36: Secondary Side Control

    17. Secondary side control The secondary side describes the system where a PHEX is used to hydraulically separate the QAHV and the hot water tank. The temperature sensor and flow sensor are supplied as a kit (Q-1SCK) External water temperature sensor TW-TH16-E...
  • Page 37 Flow sensor Install the flow sensor vertically with the flow going from top to bottom (13) 12.9 vdc constant (14) 0 – 10 vdc (15) 0 vdc...
  • Page 38 Secondary circuit pump The secondary circuit pump is controlled by the QAHV output (TB6) +10V or +12V must be supplied to terminal 10 of TB6. A control signal is sent from the QAHV to the pump via terminal 11 of TB6, see below &...
  • Page 39 Pump input power control input/output. Table 2 Item Value Setting Description code Setting for 10V input power For 0-10 V analog output control using an input power supply of source*1 10 V. For 2-10 V analog output control using an input power supply of 1517 12 V.
  • Page 40 Pump wiring example where the pump can provide s 24V DC supply It is recommended to use a secondary pump with low voltage output power, more than 0.05A...

  • Page 41: Anti-Freeze Control

    18. Anti-Freeze Control Glycol cannot be used in QAHV primary circuits. Therefore, heating of the external pipe work is necessary, this can be achieved by trace heating or by utilizing the QAHV anti-freeze control method (This is the preferred method). The Anti-freeze method is switched on by using SW2-5 ON A Volt-free contact from TB8 terminals 86 &...
  • Page 42 Prevent disturbance of thermal stratification in the tank To prevent the disturbance of the thermal stratification in the tank while the load temperature is sufficiently high, set the item code 1514 to "1" so that the judgment criteria for starting the anti-freezing operation of the secondary side circuit matches with the secondary side circuit water temperature criteria.
  • Page 43 Considerations In cold areas (where the lowest outside temperature drops below freezing), if power is not supplied while the unit is stopped during winter, make sure to completely drain water from the piping. Failure to do so may cause the residual water to freeze, resulting in damage to the heat exchanger. Before using the unit, perform a test run such as water fill test or air bleeding test again.

  • Page 44: Wiring

    19. Wiring All electrical work must be carried out in accordance with the current version of BS7671 Please note: Some secondary water circulating pumps require a volt free enable to operate. Utilize pins 1&3 from CN512 on the QAHV to achieve this...
  • Page 45 Multiple units wiring...

  • Page 46: Ae200

    20. AE200 Please ensure item code 105 is set to “1” on the QAHV before proceeding Touch [Initial Settings] in the menu bar, and then touch [HW Supply]. Set the address, group names, and detail settings for each group of HWHP (QAHV) unit that is connected to the AE-200/ EW-50.
  • Page 47 Note: Specify the “Operation ON sensor” with a number equal to or smaller than that of the “Operation OFF sensor.” Note: Operation will be carried out as shown in the figure below when “Sensor 1” is set for “Operation ON sensor” and “Sensor 3” is set for “Operation OFF sensor” in [Mode setting] for 3-sensor-type model of units.
  • Page 48 3. Set “Outlet HW” to a temperature between 40.0ºC (104ºF) and 90.0ºC (194ºF). 4. Touch [OK] to enable the settings. Note: HWHP (QAHV) units cannot be registered from the Initial Setting Tool. Register the HWHP (QAHV) units on the LCD...

  • Page 49: Schematics

    21. Schematics...
  • Page 50 • Minimum primary water circuit volume is 40 litres • Water pressure at the QAHV must be <5Bar • Maximum flowrate in the primary & secondary circuit is 30L/Min • Nominal primary circuit flow rate is 17L/M and can achieve a 77KPa head at this flow rate •...

  • Page 51: Remote Controller

    22. Remote Controller Power ON/OFF Press the [ON/OFF] button. The ON/OFF lamp will light up in During operation green, and the operation will start. Pressing the [ON/OFF] button brings up a confirmation screen. When it appears, Stopping operation press the [F3] button. The ON/OFF lamp will come off, and the operation will stop.
  • Page 52 Set temperature setting Press the [F2] button to decrease the set temperature and press the [F3] button to increase. The temperature can be set to the value which is equal or smaller than the setting value of Item code 9 (refer to page 5) or Function setting No.
  • Page 53 The Weekly timer screen will be displayed. To check the operation settings: Press the [F1] or [F2] button to check the settings from Monday to Sunday. The [F4] button displays the following page. To change the operation settings: Press the [F1] or [F2] button to select a day and then press the [F3] button to confirm the day to be set.
  • Page 54 In the Operation setting screen, press the [F1] button to move the cursor to "Schedule". Press the [F3] button to select "Yes". Using period timer Function description Following settings can be made to change the specified period and daily operating schedule. •...
  • Page 55 The period setting screen will be displayed. Press the [F1] or [F2] button to move to the item you want to change. Press the [F3] or [F4] button to change the start date and end date for the period timer and then press the [Select] button to update the setting.
  • Page 56 Function setting Sets the functions for each connected unit from the remote controller as required. • Refer to the Installation Manual for the connected units for details on the connected unit settings at shipment, Function No. and the Data. • If the function settings change the connected unit functions, all the settings must be managed appropriately, such as by writing them down on paper.
  • Page 57 Select "Function setting" from the Unit initial set menu, and press the [Select] button. The Function setting screen will be displayed. Press the [F1] or [F2] button to select the connected unit "M-NET address", "Function No." or "Data", and then press the [F3] or [F4] button to change to the desired setting.
  • Page 58 Function setting Item Mode 1 differential value (Schedule value) Mode 2 differential value (Schedule value) Mode 3 differential value (Schedule value) 021(*) Outlet hot water temperature setting * When setting the set temperature for Mode 1, Mode 2, or Mode 3 to 65ºC or higher, the setting for Function No.21 is required.
  • Page 59 Enter a 3-digit running information number and press the [Select] button. The setting information send screen appears. When the information is sent successfully, the running information values appear in the result display screen. To continue operation, press the [Return] button to return to the screen of the M-Net address.
  • Page 60 Running information Description Remarks High pressure operation data [× 0.1 MPa] Low pressure operation data [× 0.1 MPa] Outlet hot water temperature operation data Data of last hot water storage [× 0.1ºC] operation Outdoor air temperature during operation [× 0.1ºC] Total compressor operation time [×...

  • Page 61: Procon Melcobems

    23.Procon MelcoBems When monitoring QAHV units with multiple units, it is necessary to connect to each of the multiple units. Dipswitches There is a bank of 8 DIP switches on the MelcoBEMS MINI (A1M) labeled ‘CONFIGURATION’. These switches are used to configure communication settings and to enable some features.
  • Page 62 Address When Modbus RTU protocol has been selected. The node address is used as the Slave ID. Any node address in the range 1 – 30 can be chosen using switches 1 – 5. The address is set in binary, where the switch positions have the following values: Switch number Value when switch is set to ON...

This manual is also suitable for:

Zenshin ecodan qahv-n560ya-hpb

Table of Contents