Toshiba HWS-1104H series Quick Reference Manual Download Page 1

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Quick Reference

Air to Water Heat Pump

Series 4

Summary of Contents for HWS-1104H series

Page 1: ...Quick Reference Air to Water Heat Pump Series 4 ...

Page 2: ...3N 6kW HWS 1404XWHT9 P P P P P P P P 3N 9kW Outdoor Unit Hydro Unit HWS 1501 CSHM3 E HWS 2101 CSHM3 E HWS 3001 CSHM3 E HWS 1501 CSHM3 UK HWS 2101 CSHM3 UK HWS 3001 CSHM3 UK HWS 804XWHM3 HWS 804XWHT6 HWS 804XWHT9 HWS 1404XWHM3 HWS 1404XWHT6 HWS 1404XWHT9 Hot Water Cylinder P Estia System Component Combinations Outdoor unit Hydro unit Hot Water Hot water cylinder Under floor heating Zone Control Rad...

Page 3: ...n water temperature to the hydro unit exceeds 50 C The minimum flow rate for the circulating water in the heating cooling circuit must meet the following range 11 14 and 16 kW 17 5 L minute or more 8 kW 13 L minute or more If the flow rate becomes less than the flow rate specified above the flow switch in the hydro unit is activated to stop operation When thermostatic devices are used for temperat...

Page 4: ...3 Installation Examples Cooling and Heating with Domestic Hot Water When both cooling and heating are used install a 2 way valve for cooling to the pipe to the room for heating only ...

Page 5: ...estic Hot Water The following shows an example of the 2 zone temperature control A buffer tank and a water pump are required for the 2 zone temperature control This example is Heating only if the Fan Coils are to be used for Cooling then a 2 Way valve must be fitted ...

Page 6: ...tank 1 2 3 5 requires 17 5l min 804XWH 13 0l min or more This water flowing requires 5 or more branches of Floor heating or Radiators etc Less than 5 branches may cause a flow deficiency In this case please provide a buffer tank and secondary pumps as shown in 4 Please check how to install the boiler ...

Page 7: ...igerant TC 8 Temperature sensor for water inlet TWI 9 Drain nipple 10 Water inlet connection 11 Refrigerant liquid connection 12 Air relief valve 13 Pressure relief valve 0 3 MPa 3 bar 14 Thermal protector auto 15 Temperature sensor for water outlet THO 16 Thermal protector Single operation 17 A rated water pump 18 Backup heater 3 kW 3 kW x 2 3 kW x 3 19 Manometer 20 Water outlet connection 21 Ref...

Page 8: ... 804H E 5 m HWS 1104H E 5 m HWS 1404H E 5 m HWS 1604H E 5m Maximum Pipe Length and Height H Max 30 m above or below L Max 30 m Note The maximum pipe length cannot be increased by increasing the refrigerant charge The minimum pipe length cannot be decreased by reducing the refrigerant charge Refrigeration and Water Cycle Diagrams Outdoor Unit HWS 804H E Hydro Units HWS 804XWH E Outdoor Units HWS 11...

Page 9: ...nt pressure resistance The setting value of the pressure relief valve is 0 3 MPa CAUTION Do not use zinc plated water pipes When steel pipes are used insulate both ends of the pipes The water to be used must meet the water quality standards specified in EN directive 98 83 EC Water Circuit Install a strainer with 30 to 40 meshes procure locally at the water inlet of the Hydro Unit Install drain coc...

Page 10: ... water tank option Water supplied to the hot water cylinder is branched by a motorized 3 way valve procured locally Connect the hot water cylinder to port A open when energized of the valve Piping to 2 zone operation option To perform 2 zone temperature control circulate water using another pump procured locally through a motorized mixing valve procured locally and a buffer tank procured locally ...

Page 11: ... Pipe inner pressure during pump operation before heating device operates water supply pressure P2 Maximum pressure used during operation at tank setting position MPa_abs safety valve setting pressure The absolute pressure value abs is obtained by adding the atmospheric pressure 0 1 MPa 1 bar to the gauge pressure Water temperature and expansion coefficient Ɛ Water temperature and expansion coeffi...

Page 12: ...11 Pump QH curves HWS 804XWHM3 E T6 E T9 E HWS 1404XWHM3 E T6 E T9 E ...

Page 13: ...ve cap by two turns to release air see diagram Ensure all air is removed from the system If air remains in the system then the system operation may STOP Note Due to the design of the electrical back up heater it is not recommended to add any corrosion inhibitors additives to the heating circuit Water quality The water used must satisfy EN directive 98 83 EC Piping insulation It is recommended that...

Page 14: ...TCB PCIN3E optional output PCB MCC 1431 Relay PCB for control of second water pump 2 way valve and booster heater outputs MCC 1511 Main hydro unit control interface PCB Contactors Relays RY01 Interlock relay flow switch back up heater circuit RY02 Power contactor for back up heater supply RY03 Control relay for back up heater s 2 3 operation RY04 Power contactor for back up heater supply RY05 Powe...

Page 15: ...14 Control Lines Schematic Terminal Block Connections ...

Page 16: ...HT9 E 380 400V 3N 50Hz 13A 13Ax3P 16A 1 5mm 2 804XWHM3 E 220V 230V 50Hz 13A 16A 1 5mm 2 L N 804XWHT6 E 380 400V 3N 50Hz 13A 13Ax2P 16A 1 5mm 2 L1 L2 L3 N 804XWHT9 E 380 400V 3N 50Hz 13A 13Ax3P 16A 1 5mm 2 Power input for DHW cylinder heater 220V 230V 50Hz 12A 16A 1 5mm 2 L N TB03 Outdoor hydro unit connection 1 5mm 2 1 2 3 TB01 Hydro unit to DHW cylinder 1 5mm 2 1 2 TB03 Wiring specification contr...

Page 17: ...ble Length Max Comments External water pump P2 AC230V 1A 12m External booster heater AC230V 1A 12m Output enabled when outdoor air temperature is 20 C Alarm output No volt contacts 0 5A AC230V 12m 1A DC24V 12m Boiler output No volt contacts 0 5A AC230V 12m Output enabled when outdoor air temperature is 10 C output trigger temperature can be changed using FC23 1A DC24V 12m Defrost output No volt co...

Page 18: ...onductor Terminal L2 Phase 3 conductor Terminal L3 Neutral conductor Terminal N Earth conductor Earth Ensure the Hydro Unit power cable for the electrical back up heaters is secured using the cable clamp fitted in the electrical box Ensure the Hydro Unit power cable connection for the electrical back up heaters terminals are tight Outdoor unit to hydro unit electrical connection Ensure electrical ...

Page 19: ...low ambient conditions A separate dedicated electrical supply must be used for the external booster heater This must be connected through the contacts on the field supplied contactor Electrical connection for external additional pumps CAUTION The maximum current available from the additional pump output is 1 A Do not connect the additional pump directly to Terminal Block 05 on the Hydro Unit A sep...

Page 20: ...in use with the DIP switch SW13 1 on the Hydro Unit board Diverter Valve Description DPSW13 1 Type 1 2 wire spring return OFF Type 2 3 wire SPST OFF Type 3 3 wire SPDT ON NOTE Continuous operation of the valve motor at the fully open position is not recommended The 3 way diverter valve is used to select either domestic hot water or zone1 zone2 space heating Connect the 3 way diverter valve in acco...

Page 21: ...nce with shown below Live conductor Terminal L on Terminal Block 03 Neutral conductor Terminal N on Terminal Block 03 Earth Conductor Earth terminal on Terminal Block 03 Connect the hot water cylinder heater to the Hydro Unit as shown below Live conductor to hot water cylinder Terminal 1 on Terminal Block 03 Neutral conductor to hot water cylinder Terminal 2 on Terminal Block 03 Earth conductor to...

Page 22: ...sure either water temperature or room air temperature Remote Controller DIPS Switches Setting Set one of the remote controllers as the header remote controller remote controller of hydro unit is preset as the header remote controller DPSW1 OFF Set the DPSW s on the other remote controller PC boards to second optional remote controller is preset as second DPSW1 ON For room air temperature control s...

Page 23: ...n the TCB PCIN3E option PCB Boiler control output L2 Output ON when outdoor ambient temperature is less than or equal to the temperature set in FC23 The output is available through a volt free contact on the TCB PCIN3E option PCB Defrost compressor ON outputs Defrost output L1 Output ON when the system outdoor unit is under defrost control The output is available through a volt free contact on the...

Page 24: ...ions for heating and cooling mode The thermostat must be manually switched between heating and cooling the operating mode on the ESTIA remote controller must also be changed manually The system cannot change between heating and cooling modes automatically For cooling operation connect the cooling contact on the thermostat between terminals 2 COOL 3 COM on the option PCB as shown above For heating ...

Page 25: ...bove to terminals 1 HEAT and 3 COM on the option PCB It is possible to set the operating logic of contact S2 normally OPEN contact normally CLOSED contact or pulse input using function code FC52 and the operating mode of the system on restart using FC61 see function code list on page 31 for options The external stop option can also be used for TEMPO control where an external signal from the custom...

Page 26: ...ling during long periods of system OFF OFF Pump P1 normal operation ON Pump P1 ON for 10 minutes duration if system has been stopped for 72 hours OFF 11 1 Used to enable the hydro unit back up heaters OFF Back up heater control enabled ON Back up heater control disabled OFF 2 Used to enable the hot water cylinder electric heater OFF Hot water cylinder heater control enabled ON Hot water cylinder h...

Page 27: ...ne floor heating radiator FCU operation 5 CL button Clears settings for the current time and scheduled weekly operation 14 ANTI BACTERIA button Regularly increases the hot water temperature in the tank for sterilization Pressing this button long changes the mode to data setting mode 6 DAY button Sets days of the week for current time setting and scheduled weekly operation setting 15 HOT WATER BOOS...

Page 28: ...r is energized during hot water supply operation Lights when heating is selected Lights during hot water supply operation Lights when cooling is selected Lights while hot water boost is activated Lights when the FROST PROTECTION button is pressed and goes out when the button is pressed again Lights when the ANTI BACTERIA button is pressed and goes out when the button is pressed again Lights when A...

Page 29: ...ble to set up timer control schedules on the ESTIA remote controller when two remote controllers are fitted to the ESTIA system the schedule timer is only available from the HEADER remote controller A maximum of eight control STEPS can be programmed scheduled into the ESTIA remote controller for each day of the week Using the schedule timer function see page 42 for example Accessing the schedule t...

Page 30: ...be displayed on the remote controller If cooling mode is selected then will be displayed Set Point Temperature Press the SELECT button on the remote controller to select either space Zone 1 Zone 2 or HOT WATER Press the TEMPERATURE buttons to set the required temperature When the ON OFF time operating mode and set point temperature have been entered into the schedule timer press the SET button to ...

Page 31: ...th the TIME buttons 4 Press to confirm the settings 5 Note that the Clear button is enabled only before the SET button is pressed and the function code is changed 6 Press to exit the settings menu Setting procedure for Remote Controller function code 1 Press and hold TEMP buttons for four seconds or more to enter the remote controller function code setting mode 2 Set the function code number with ...

Page 32: ...lectric cylinder heater 1 Hot water priority Hot water produced by HP 0F 0 1 0 Heating Auto Curve Settings Outside Temperature T1 C 29 15 0 C 10 Outside Temperature T2 C 0 0 Outside Temperature T3 C 2B 0 15 C 10 Setting Temperature A OAT 20 C C 2C 20 55 C 40 Setting Temperature B OAT T1 C 2D 20 55 C 35 Setting Temperature C OAT T2 C 2E 20 55 C 30 Setting Temperature D OAT T3 C 2F 20 55 C 25 Settin...

Page 33: ...4 40 05 50 A0 0 5 0 E Stop Switch Logic System Restart TEMPO Control Forced stop input switch logic 0 Contacts low high terminals 1 3 CLOSE system stop System restart with remote controller 1 Contacts high low terminals 1 3 OPEN system stop System restart with remote controller 2 Contacts high low terminals 1 3 OPEN system stop Contacts low high terminals 1 3 CLOSE system restart 3 Contacts low hi...

Page 34: ... upper limit 94 15 30 29 Setting room temperature range 2 nd RC Heating room temperature lower limit 95 15 30 18 Room temperature offset HEATING offset between actual room temperature and measured room temperature 02 10 10 1 Room temperature offset COOLING offset between actual room temperature and measured room temperature 03 10 10 1 Sets water temperature when HP to restart when the control is i...

Page 35: ...ollowed with regards to working on LIVE equipment Function Code Reset Procedure The following procedure explains how to reset the hydro unit function codes back to the factory default settings 1 Turn the ESTIA system OFF using the ESTIA remote controller 2 Turn OFF the power supply to the ESTIA system 3 Remove the hydro unit front cover and the cover to the hydro unit electrical box 4 Set DPSW06_1...

Page 36: ...ernal water pump P2 Pump ON 20 sec 7 None reserved 8 Hydro unit back up heaters Cycle stage 1 ON stage 2 ON all OFF every 20 sec Hydro unit pump will operate 9 DHW cylinder electrical heater Cycle Heater ON 10 sec heater OFF 10 sec 10 Booster heater output Cycle heater output ON 10 sec heater output OFF 10 sec Hydro unit pump will operate 11 Alarm output Cycle output ON 10 sec output OFF 10 sec 12...

Page 37: ...wing pages for the set up of External room thermostat pg 40 Room temperature controller HWS AMS11 E pg 41 Auto curve set up pg 43 Note Care should be taken when setting FC1A if the heating emitter used for Zone 1 is under floor heating If FC1A is set to high there is a risk that the floor surface could be damaged FC No FC Description FC Range Default Setting 1A Heating upper temperature set point ...

Page 38: ...ter used for Zone 1 is under floor heating If FC1A is set to high there is a risk that the floor surface could be damaged FC No FC Description FC Range Default Setting 1A Heating upper temperature set point limit Zone 1 C 37 55 55 1B Heating lower temperature set point limit Zone 1 C 20 37 20 1E Hot water upper temperature set point limit C 50 80 75 1F Hot water lower temperature set point limit C...

Page 39: ...Code Settings Please check the following pages for the set up of External room thermostat pg 40 Room temperature controller HWS AMS11 E pg 41 Auto curve set up pg 43 Auxiliary boiler output pg 44 FC No FC Description FC Range Default Setting 1A Heating upper temperature set point limit Zone 1 C 37 55 55 1B Heating lower temperature set point limit Zone 1 C 20 37 20 23 Trigger temperature to turn b...

Page 40: ... Heating lower temperature set point limit Zone 1 C 20 37 20 1E Hot water upper temperature set point limit C 50 80 75 1F Hot water lower temperature set point limit C 40 60 40 20 Heat pump start temperature hot water operation TTW C 20 45 38 21 Heat pump stop temperature hot water operation TTW C 40 50 45 22 Hot water heating priority switching temperature C 20 20 0 24 Hot water temperature compe...

Page 41: ...1C is set to high there is a risk that the floor surface could be damaged FC No FC Description FC Range Default Setting 1A Heating upper temperature set point limit Zone 1 C 37 55 55 1B Heating lower temperature set point limit Zone 1 C 20 37 20 1C Heating upper temperature set point limit Zone 2 C 37 55 55 1D Heating lower temperature set point limit Zone 2 C 20 37 20 1E Hot water upper temperatu...

Page 42: ...ature set point limit Zone 1 C 20 37 20 1C Heating upper temperature set point limit Zone 2 C 37 55 55 1D Heating lower temperature set point limit Zone 2 C 20 37 20 1E Hot water upper temperature set point limit C 50 80 75 1F Hot water lower temperature set point limit C 40 60 40 20 Heat pump start temperature hot water operation TTW C 20 45 38 21 Heat pump stop temperature hot water operation TT...

Page 43: ...1 is displayed on the RC Press the STEP button check STEP 1 is displayed on the RC Press the SET button Press the TIME buttons to set 01 00 on the time display of the RC Press the HOT WATER button to set the hot water function ON check that a numerical temperature is displayed on the RC for the hot water function Press the TEMPERATURE buttons to set the 65 C hot water set point Press the SET butto...

Page 44: ...eating function OFF check that the RC display changes to for zone 1 Press the SET button 4 Copy the data shown above for use on other days of the week Press the STEP button until STEP C is displayed on the RC Press the SET button 5 Paste the copied timer schedule into the other days of the week Press the DAY button until the symbol is displayed above all day s of the week timer schedule to run on ...

Page 45: ... high Set FC1B to the required setting This will set the minimum target water temperature of the system when running in heating mode Set FC9D to the required setting This will set the initial target water temperature of the system when the electrical supply is restored to the ESTIA system when running in heating mode For COOLING mode Set FC18 to the required setting only required if cooling mode i...

Page 46: ...ting mode Set FC9D to the required setting This will set the initial target water temperature of the system when the electrical supply is restored to the ESTIA system when running in heating mode Set FCB1 to the required setting This will select the required control option for the room temperature control when running in heating mode For COOLING mode Set FC92 to the required setting This will set ...

Page 47: ...mperature Measurement Measured Temperature RCFC Adjustment Actual 23 C No adjustment required Remote Controller 23 C Temperature Measurement Measured Temperature RCFC Adjustment Actual 23 C Change from 1 to 3 Remote Controller 25 C Temperature Measurement Measured Temperature RCFC Adjustment Actual 25 C Change from 1 to 1 Remote Controller 23 C ...

Page 48: ...ature at point T3 on the diagram above FC2C Sets the target water temperature for the system when the OAT is 20 C FC2D Sets the target water temperature for the system when the OAT is at T1 position FC2E Sets the target water temperature for the system when the OAT is at T2 position 0 C FC2F Sets the target water temperature for the system when the OAT is at T3 position FC30 Sets the target water ...

Page 49: ... the boiler will run at the same time When the water temperature inside the hydro unit reaches thermo OFF conditions then the heat pump will STOP and the boiler output will turn OFF If FC3E is set to 1 then the heat pump and the boiler will run as independent devices When the water temperature inside the hydro unit reaches thermo OFF conditions then the heat pump will STOP However with FC3E 1 the ...

Page 50: ...e equilibrium point and between the red and blue lines represents the area where an additional heat source is required to support the heat pump output From the graph it can be seen that when the outdoor air temperature is 4 C there is a requirement for an additional heat source electric back up heaters existing boiler etc to supply the installation with approximately 3 5kW of heating For the examp...

Page 51: ...his will set the maximum target water temperature of the system when running in heating mode This setting is particularly important if the heating emitter used is under floor heating then damage may be caused to the floor surface if FC1A is set too high Set FC1D to the required setting This will set the minimum target water temperature of the system when running in heating mode Set FC0C This sets ...

Page 52: ... then the mixing valve will OPEN by one step and then the software will recalculate the required operation during the next 4 minute OFF period If the temperature measured by the TFI sensor is higher than the target water temperature setpoint then the mixing valve will CLOSE by one step and then the software will recalculate the required operation during the next 4 minute OFF period 6 Anti bacteria...

Page 53: ... following function codes for the hot water boost function FC08 Sets the duration of the hot water boost function FC09 Sets the set point temperature of the water in the cylinder to be achieved during the hot water boost function When the above function codes have been set then the hot water boost function is activated by pressing on the ESTIA remote controller When the hot water boost function is...

Page 54: ...arged from the purge valve Check that the air bite sound disappears Check that the hydraulic pressure has become the predetermined pressure 0 1 to 0 2 MPa 1 to 2 bar If the hydraulic pressure is insufficient replenish water Heating operation starts Check that the hydro unit starts heating Press the OPERATE MODE button and select cooling Cooling operation starts Check that the hydro unit starts coo...

Page 55: ... Ps MPa 60 Outdoor unit Heat exchanger temperature TE C 61 Outside air temperature TO C 62 Refrigerant discharge temperature TD C 63 Refrigerant suction temperature TS C 65 Heat sink temperature THS C 6A Current value in the inverter A 6D Heat exchanger coil temperature TL C 70 Compressor operating frequency Hz 72 Number of revolutions of outdoor fan lower rpm 73 Number of revolutions of outdoor f...

Page 56: ...er stopping the operation continues for 1 min after the compressor is stopped 4 ON on the remote control will not operate the compressor It will not operate even after the reboot delay timer elapsed When the outdoor temperature TO sensor detection temperature is 20 C or lower the heat pump will not operate in order to protect the compressor and the heater will operate instead 5 When the power is t...

Page 57: ...When the TTW sensor exceeds 85 C Heating O Hot water O 1 Check the hot water cylinder sensor TTW 2 Check the hot water cylinder thermal cut out 1 A04 Antifreeze operation 1 1 TWO 20 C condition 2 TC TWO 12 C is detected 2 TWO 20 C condition TC TWO 4 C is detected 3 TWI 10 C is detected during defrosting O 1 Almost no or little water flow Dirt clogging in the water piping system The water piping is...

Page 58: ... Defect in the remote control 1 E04 Regular communication error between hydro unit and outdoor unit The serial signal cannot be received from outdoor O O 1 Check the serial circuit Miswiring of the crossover between the water heat exchanger and the outdoor unit 1 F03 TC sensor error Open or short circuit in the heat exchange temperature sensor O O 1 Check the resistance value and connection of the...

Page 59: ...Check code Diagnostic functional operation Determination and action Defect frequency confirmation Operational cause Backup present Automatic reset F04 TD sensor error Open or short circuit in the discharge temperature sensor O 1 Check the resistance value and connection of the discharge sensor TD 1 F06 TE sensor error Open or short circuit in the heat exchange temperature sensor O 1 Check the resi...

Page 60: ...e is fully open 4 Defect of the pulse motor valve 5 Check for kinked piping 4 L10 Unset service PC board jumper Jumpers J800 J803 have not been cut O 1 Cut J800 J803 1 L29 The communication between the outdoor PC board MUCs error No communication signal between IPDU and CDB O 1 Replace the outdoor control board 1 P03 The outlet temperature error When the discharge temperature sensor TD exceeds 111...

Page 61: ... fan system including clogging 4 Over filling of refrigerant 5 Check the resistance value of the heat exchange temperature sensor TL and the water outlet temperature sensor TWO 10 P22 Outdoor fan system error When a DC fan rotor position detection NG element short circuit loss of synchronization or abnormal motor current occurs O 1 Check the lock status of the motor fan 2 Check the connection of t...

Page 62: ...Check the code whose display mode 1 equals the jotted LED status and display mode 2 equals the current flashing status of LED800 to LED804 from the following table to identify the cause Check of the abnormal status in the past although the abnormal status is not occurred now 1 Set bit 1 of DIP switch SW803 to ON 2 Jot down the states of LED800 to LED804 Display mode 1 3 Press SW800 for at least on...

Page 63: ...door EEPROM error 10 Compressor lock 11 Compressor lock 12 Current detect circuit error 13 Thermostat for compressor activated 14 Model data not set on the service P C board 15 MCU MCU communication error 16 Discharge temperature error 17 Abnormal power open phase detected or abnormal voltage 18 Heat sink overheat 19 refrigerant leak detected 20 4 way valve reverse error 21 High pressure release o...

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Toshiba HWS-1104H series, Quick Reference Manual

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