Toshiba HWS-804XWHM3 series Quick Reference Manual
  1. Manuals
  2. Brands
  3. Toshiba Manuals
  4. Heat Pump
  5. HWS-804XWHM3 series
  6. Quick reference manual

Toshiba HWS-804XWHM3 series Quick Reference Manual

Air to water heat pump series 4
Hide thumbs
Table of Contents

Advertisement

Quick Links

Quick Reference
Air to Water Heat Pump
Series 4

Advertisement

Table of Contents
loading

Related Manuals for Toshiba HWS-804XWHM3 series

Summary of Contents for Toshiba HWS-804XWHM3 series

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

  • Page 2: Hot Water

    Estia System Hot Water Heating or Cooling Radiator Fan coil unit (Heating or Cooling) Outdoor unit Under floor heating Hot water Hydro unit (Zone Control) cylinder Component Combinations Outdoor Unit HWS- HWS- HWS- HWS- HWS- HWS- HWS- HWS- HWS- Back Up Hydro Unit 804H-** 1104H-**...
  • Page 3 New Features for 4 Series ESTIA:  A-rated water circulating pump installed in hydro unit  Minimum target water temperature reduced to 7°C in cooling mode for improved compatibility with fan coil units  Hydro unit pump ON / OFF cycling function – to momentarily operate water pump during long periods of system OFF ...

  • Page 4: Installation Examples

    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 Installation Examples (cont.) 2-Zone Temperature Control with Domestic 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 Installation example of water circuit:- The water circuit for a system without a buffer 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.
  • Page 7 Hydro Unit – Exploded View 1. Expansion vessel 2. Hi Pressure switch (4.15 MPa) 3. Temperature sensor (for Heat pump outlet -TWO) 4. Pressure sensor 5. Heat exchanger 6. Flow switch (13.0 L/min 17.5 L/min) 7. Temperature sensor (for refrigerant -TC) 8.
  • Page 8 Refrigerant Pipe Lengths and Height The length and height of the refrigeration pipe must be within the following values. As long as the Hydro Unit is installed within these ranges, no additional refrigerant is required. Minimum Pipe Length HWS-804H-E : HWS-1104H**-E : HWS-1404H**-E : HWS-1604H**-E:...

  • Page 9: Water Piping

    Outdoor Units: HWS-1104H8(R)-E, HWS-1404H8(R)-E, HWS-1604H8(R)-E Hydro Units: HWS-1404XWH**-E Water Piping WARNING • Ensure that the heating circuit, and all components of the heating circuit, are installed in accordance with all National and local regulations • The water pipes must not be installed where they are exposed to low ambient air temperatures. This is to prevent the water freezing in the pipes •...
  • Page 10 Water Piping Limitations Design the water pipe length within the QH characteristics of the pump (flow-rate and pump head). The maximum height difference for the water pipes is 7 metres. Piping to hot 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.
  • Page 11 Checking water volume and initial pressure of expansion vessel The expansion vessel of the Hydro Unit has a capacity of 12 litres. The initial pressure of the expansion vessel is 0.1 MPa (1 bar). The pressure of the safety valve is 0.3 MPa (3 bar). Verify whether the capacity of the expansion vessel is sufficient using the following expression.
  • Page 12 Pump QH curves  HWS-804XWHM3-E, T6-E, T9-E  HWS-1404XWHM3-E, T6-E,T9-E...

  • Page 13: Water Charging

    Water charging Charge the water, in the heating circuit, until the pressure gauge shows 0.2 MPa (2 bar). The hydraulic pressure may drop when the trial run begins. In this case, add water until the hydraulic pressure returns to 0.2MPa (2 bar) Air may enter the heating circuit if the hydraulic pressure is low.

  • Page 14: Electrical Connections

    Electrical Connections E Box layout Fuses (AC250V T30A): F1&F2: Hot water cylinder electric heater supply F3&F4: Back up heater 1 (3kW) F5&F6: Back up heater 2 (3kW) F7&F8: Back up heater 3 (3kW) Fuses (AC250V T3.15A) F9&F10: A rated water pump PCB’s: MCC-1214: TCB-PCMO3E (optional input PCB) MCC-1217: TCB-PCIN3E (optional output PCB)
  • Page 15 Control Lines Schematic Terminal Block Connections...
  • Page 16 Electrical supply / cable specifications Wiring specifications (power line) Install Model Name Current Power Connection Description Power Supply Fuse (Max) Cable Destination Rating 220V-230V ~ ≥2.5mm 1404H-E 22.8A 50Hz 220V-230V ~ ≥2.5mm L, N 1104H-E 22.8A 50Hz 220V-230V ~ ≥2.5mm Outdoor 804H-E 19.2A...
  • Page 17 Control parts specifications Component Power Current (Max) Specification Default: 2 wire spring return valve or 3 wire SPST 3 way diverting valve AC 230V 100mA valve Option: 3 wire SPDT valve (set DPSW13_1 to ON) 2 way valve (cooling ) AC 230V 100mA 2 wire spring return valve (normally OPEN)
  • Page 18 CAUTION Earthing arrangements The Hydro Unit and related equipment must be earthed in accordance with your local and national electrical regulations. It is essential that the equipment is earthed to prevent the electric shock and damage to the equipment. Electrical connection to hydro unit •...
  • Page 19 Electrical connection for external booster heater CAUTION • The maximum current available from the booster heater output is 1 A. Do not connect the booster heater directly to Terminal Block 05 on the Hydro Unit. A separate contactor, supplied locally, must be used to supply the booster heater.
  • Page 20 3-way valve (diverter) connection Required Valve Specification: Electrical Specification: 230 V; 50 Hz; <100 mA Valve Diameters: Port A, Port B: Ø 1 1/4" Return Mechanism: 3 types of 3-way valve (diverter) can be used. Set the 3-way valve in use with the DIP switch SW13-1 on the Hydro Unit board Diverter Valve Description DPSW13-1...
  • Page 21 3-way mixing valve connection Required Actuator Specification Electrical Specification:230 V; 50 Hz; <100 mA The 3-way mixing valve is used to achieve the temperature differential needed in a 2-zone heating system. • Connect the 3-way mixing valve in accordance with the diagrams below:- Hot water cylinder connection (optional) •...
  • Page 22 Second Remote Controller Installation (optional) It is possible to connect a second remote controller to the ESTIA system.  The remote controller should be installed between 1m to 1.5m above floor level so that the remote controller measures the average room temperature ...
  • Page 23 Input / Output Option PCB’s – Installation Output Options: It is possible to connect to outputs, using the TCB-PCIN3E option PCB’s, on the ESTIA hydro unit for the following functions:  Alarm output  Boiler output  Defrost  Compressor ON System alarm &...

  • Page 24: Input Options

    Volt free contact specification: The volt free contact specification, for the outputs detailed above, is shown below: AC230V: 0.5A (maximum) DC24V: 1.0A (maximum) Input Options: It is possible to connect inputs, using the TCB-PCMO3E option PCB’s, on the ESTIA hydro unit for the following functions: ...
  • Page 25 External hot water cylinder thermostat: Connect the external hot water cylinder thermostat (S1 in the diagram below) to terminals 2 (COOL) and 3 (COM) on the option PCB. When the hot water cylinder thermostat contact, S1, is CLOSED then there is a hot water demand and the system will produce hot water (if all DPSW’s and function codes are set correctly) External system STOP: Connect the external STOP signal / contact (S2 in the diagram above) to terminals 1 (HEAT) and 3 (COM)

  • Page 26: Start Up And Configuration

    Start up and Configuration Setting DIP Switches on the Board in the Hydro Unit • Detach the front cover and the electric parts box cover of the Hydro Unit. • Set the DIP switches on the main board. Switch Factory Description Position Determines the position of the auxiliary boiler in the system installation:...
  • Page 27 Hydro Unit Remote Control Buttons 1. TEMP. button: Changes the set temperature for 10. NIGHT button: each operation mode (ZONE1 / Controls the night set back ZONE2 / HOT WATER) by 1°C operation. step. 2. SCHEDULE 11. AUTO TEMP. Switches setting temperature button: button: automatically according to outside...

  • Page 28: Display Explanation

    Display Explanation 18: ZONE1, ZONE2 20: HOT WATER Display Description Display Description Lights when floor heater or radiator is connected (when the system has floor heater or radiator). Lights when hot water supply system is ZONE1 selected for Temperature connected (when the system has hot to be changed.
  • Page 29 Display Explanation (cont.) 19: TIMER 21: CONTROL Display Description Display Description Clock: Displays the current time Lights while internal pump (P1) or (AM or PM). external pump (P2) is driven. Displays days of the week (Sunday Lights during backup operation only by to Saturday).
  • Page 30 If “C” is selected then the control details, already set for the specified day, are copied. These details can be copied to other days of the scheduled timer If “L” is selected then all of the control details, set for the specified day, are deleted ...
  • Page 31 Function Code Access Set function codes for various operation modes, input using the remote controller. There are 2 types of settings:- 1) Hydro Unit function code setting. 2) Remote controller function code setting. Setting procedure for Hydro Unit function code 1.
  • Page 32 Function Code Setting Function Code Setting Address Function Code Setting Range Default Hydro Remote Unit Controller Heating Upper Limit - Zone 1 37~55°C Heating Lower Limit - Zone 1 20~37°C Heating Upper Limit - Zone 2 37~55°C Heating Lower Limit - Zone 2 20~37°C Setting Temperature Range...
  • Page 33 Function Code Setting Address Function Code Setting Range Default Hydro Remote Unit Controller Hydro unit pump (P1) synchronisation: 0 = P1 stops when in DHW mode and the electric cylinder heater is energised (no heating demand) 1 = P1 runs continuously Pump P1 operation ON/OFF controlled by room temperature: 0 = Pump P1 operates continuously...
  • Page 34 Function Code Setting Address Function Code Setting Range Default Hydro Remote Unit Controller Boiler / heat pump synchronisation to set the controlling device to be set: 0 = Boiler & heat pump synchronised. The heat pump is the controlling device. When TWI reaches the target water temperature of the hydro unit the boiler output switches OFF 1 = Boiler &...
  • Page 35 Function Code Setting Address Function Code Setting Range Default Hydro Remote Unit Controller Sets the format for the time display on the Remote Controller Time remote controller: Display Format 0 = 24hr clock display 1 = 12hr clock display Enables or disables the alarm tone, from the remote controller, when the system generates Remote Controller Alarm a fault code alarm:...

  • Page 36: Yellow Led

    6. Turn rotary switch SW01 to position 1 and press and hold the tactile switch, SW07, for 8 seconds 7. The operation of the heating circuit components can be checked by rotating SW01 to the relevant position detailed in the table below 8.
  • Page 37 System Installation – Set Up Examples  1 Zone Heating Equipment Required: DPSW Settings: DPSW11_2 = ON: Hot water cylinder electric heater disables DPSW12_1 = ON: Hot water cylinder not connected to system All other DPSW’s set in the OFF position. Function Code Settings: FC No FC Description...
  • Page 38  1 Zone Heating with Domestic Hot Water Equipment Required: DPSW Settings: All DPSW’s set in the OFF position. DPSW 13_1 to be set depending on the type of 3 way diverting valve fitted(2 wire / spring return, 3 wire SPST or 3 wire SPDT) Function Code Settings: FC No...
  • Page 39  Zone 1 Heating With Existing Auxiliary Boiler Equipment Selection: DPSW Settings: DPSW11_2 = ON: Hot water cylinder electric heater disables DPSW12_1 = ON: Hot water cylinder not connected to system DPSW13_2 = ON: Boiler output control enabled (use in conjunction with FC23) All other DPSW’s set in the OFF position.
  • Page 40  1 Zone Heating & Cooling With Domestic Hot Water Equipment Selection: DPSW Settings: All DPSW’s set in the OFF position. DPSW 13_1 to be set depending on the type of 3 way diverting valve fitted Function Code Settings: FC No FC Description FC Range Default Setting...
  • Page 41  2 Zone Heating With Domestic Hot Water Equipment Selection: DPSW Settings: DPSW 10_3: Set switch to ON if end user requests pump P2 (Zone 2 pump) is synchronised with pump P1 (hydro unit) DPSW12_3 = ON: Zone 2 control enabled DPSW 13_1 to be set depending on type of 3 way diverter valve fitted (2 wire / spring return, 3 wire SPST or 3 wire SPDT) All other DPSW’s set in the OFF position...
  • Page 42  2 Zone Heating with Auxiliary Boiler Equipment Selection: DPSW Settings DPSW12_3 = ON: Zone 2 control enabled DPSW 13_1 to be set depending on type of 3 way diverter valve fitted (2 wire / spring return, 3 wire SPST or 3 wire SPDT) DPSW13_2 = ON: Boiler output control enabled (use in conjunction with FC23) All other DPSW’s set in the OFF position Function Code Settings:...
  • Page 43  Remote Controller Schedule Timer On an ESTIA site the customer requires the hot water function to be ON between the hours of 01:00 and 06:00. The customer requires the set point for the domestic hot water to be set to 65°C For space heating the customer requires the ESTIA to run in heating mode for the following periods: Period 1: 07:00 ~ 10:00 Period 2: 15:00 ~ 22:00...
  • Page 44  Press the TIME ▼▲buttons to set 07:00 on the time display of the RC  Press the ZONE1, 2 button to set the space heating function ON > check that a numerical temperature is displayed on the RC for the zone 1 function ...
  • Page 45 ESTIA - System Set Up Please refer to the ESTIA Service Manual for a detailed description for each of the controls / functions listed below 1. External room thermostat  Isolate the electrical supply to the ESTIA system and remove the cover to the electrical box in the hydro unit ...
  • Page 46 2. Room temperature control  Isolate the electrical supply to the ESTIA system  Install the 2 ESTIA remote controller (RC), for room temperature control, using 2 core screened cable. The maximum cable length specified, for the 2 RC is 50m ...
  • Page 47 For example: Temperature Measured RCFC Adjustment* Measurement Temperature Actual 23°C No adjustment required Remote Controller 23°C Temperature Measured RCFC Adjustment* Measurement Temperature Actual 23°C Change from -1 to -3 Remote Controller 25°C Temperature Measured RCFC Adjustment* Measurement Temperature Actual 25°C Change from -1 to +1 Remote Controller 23°C...
  • Page 48 3. Auto curve control The auto curve function allows the software on the hydro unit PCB to automatically calculate the target water temperature of the system depending the outdoor air temperature (OAT). This function is only available for 1 zone space heating (water temperature control). The auto curve function is NOT available when: ...
  • Page 49 4. Auxilliary boiler control  Isolate the electrical supply to the ESTIA system and remove the cover to the electrical box in the hydro unit  Connect the start signal for the auxillary boiler to terminals 3 & 4 (EMG) of the TCB-PCIN3E option PCB as shown in the diagram above ...
  • Page 50 How to determine the setting for FC23: The boiler output is used to switch an external boiler ON / OFF to support the ESTIA system during low ambient conditions. It is possible to estimate the switching temperature, required for the boiler output, using the system/installation capacity graph generated by the ESTIA Sales Support Software (see graph below).
  • Page 51 5. 2 zone heating – mixing valve set up The ESTIA system has the ability to control the water temperature in 2 zones using different heating emitters (e.g. zone 1: radiators, zone 2: under floor heating circuits). This is achieved by installing a mixing valve to control the temperature of zone 2.
  • Page 52 Zone 2 Set: Target water temperature for zone 2 TFI: Actual water temperature of zone 2 measured by the TFI sensor a: 4 minute off time (sample period) between 230V~ pulses (sample period set using FC59) b: AC230V pulse duration determined by dividing the valve opening time (from valve specification) by 12 (the maximum number of pulses available from the hydro unit software) Example: for a valve with a drive time specification of 60 seconds: b = 60 / 12 = 5 seconds pulse duration...
  • Page 53 7. Hot water boost control (hot water mode) The hot water boost function can be used when there is a high demand for hot water. The boost function will heat the cylinder water to the set point temperature quicker than the time taken during normal hot water production.

  • Page 54: Test Run

    Test Run Once you have competed the installation and system configuration conduct a test run (see below). Since the protection setting is disabled in the TEST mode, do not continue a test run longer than 10 minutes. • Press the TEST button on the remote controller.

  • Page 55: Sensor Temperature Monitoring Function

    Sensor Temperature Monitoring Function The sensor sensing temperature is displayed on the remote controller. This function allows you to make sure whether the sensor is installed properly. 1) Press buttons for four seconds or more. 2) Select the Code No. with the TEMP. buttons.
  • Page 56 Non-defective operation (program operation)…….No Check code displayed In order to control the heat pump unit, there are the following operations as the built-in program operations in the microcomputer. If a claim occurs about the operation, please confirm whether it falls under any of the contents in the following table.
  • Page 57 o…...…. Possible Hydro Unit check codes x…. Not possible Diagnostic functional operation Defect Check Determination and action frequency Backup Automatic code Operational cause confirmation present reset Pump or flowing quantity error 1) Detected by TC sensor TC 63°C is detected in the heating or hot water supply heat pump operation (except for defrosting).
  • Page 58 Diagnostic functional operation Defect Check Determination and action frequency Backup Automatic code Operational cause confirmation present reset 1. No water (heating without Overheat protection operation water) or no water flow. When the thermostat of the backup heater 2. Defect of the flow switch. activates during the operation of the heat pump ×...
  • Page 59 Diagnostic functional operation Defect Check Determination and action frequency Backup Automatic code Operational cause confirmation present reset 1. Check the connection (body or connection wiring) of the low Low pressure sensor error pressure sensor. When PS<0.07 MPa is detected for 90 sec or more (cooling, defrosting).
  • Page 60 Diagnostic functional operation Defect Check Determination and action frequency Backup Automatic code Operational cause confirmation present reset Compressor breakdown 1. Check the power supply 1 When the operation frequency lowers due voltage to the current release 40 sec or later after the (AC220 -230 V±10% single compressor activation and it stops by under phase type).
  • Page 61 Diagnostic functional operation Defect Check Determination and action frequency Backup Automatic code Operational cause confirmation present reset 1. Check the operation of the 4- way valve unit or the coil characteristics. 2. Defect of the pulse motor The 4-way valve inversion error valve.
  • Page 62 Remote controller check codes Outdoor Fault Diagnosis You can perform fault diagnosis of the outdoor unit with the LED's on the P.C. board of the outdoor unit in addition to check codes displayed on the wired remote controller of the hydro unit. Use the LED’s and check codes for various checks Check of the abnormal status in Check of the current abnormal status...
  • Page 63 DISPLAY MODE 1 DISPLAY MODE 2 Cause D800 D801 D802 D803 D804 D800 D801 D802 D803 D804 ● ● ● ● ● ● ● ● ● ● Normal ○ ○ ● ● ○ ● ● ◎ ● ● Discharge sensor (TD) error ○...
  • Page 64 AIRTREND Ltd - KOVENT DOO Kumanovska 14, 11000 Beograd Tel: 011 3836886, 3085740 Faks: 011 3444113 e-mail: gobrid@eunet.rs, office@kovent.rs web: www.airtrend.rs, www.kovent.rs web: www.toshiba-klima.rs, www.toshiba-estia.rs 1402285601...

This manual is also suitable for:

Hws-804xwht6 seriesHws-804xwht9 seriesHws-1404xwhm3 seriesHws-1404xwht6 seriesHws-1404xwht9 seriesHws-804h series ... Show all

Table of Contents