Related Manuals for Toshiba HFC series
Summary of Contents for Toshiba HFC series
- Page 1 AIR TO WATER HEAT PUMP Installation Manual Hydro Unit Model name: HWS-P804XWHM3-E HWS-P804XWHT6-E HWS-P804XWHT9-E HWS-P1104XWHM3-E HWS-P1104XWHT6-E HWS-P1104XWHT9-E English...
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Page 2: Table Of Contents
Installation Manual Hydro Unit Please read this Installation Manual carefully before installing the Air to Water Heat Pump. • This Manual describes the installation method of the hydro unit. • For installation of the outdoor unit, follow the Installation Manual attached to the outdoor unit. REFRIGERANT This Air to Water Heat Pump uses an HFC refrigerant (R410A) in order to prevent destruction of the ozone layer. -
Page 3: General Information
Installation Manual Hydro Unit General information System combination Outdoor Unit Hydro Unit HWS-P804HR-E HWS-P1104HR-E Backup heater HWS-P804XWHM3-E – ~, 3kW HWS-P804XWHT6-E – 3N ~, 6kW HWS-P804XWHT9-E – 3N~, 9kW HWS-P1104XWHM3-E – ~, 3kW HWS-P1104XWHT6-E – 3N~, 6kW HWS-P1104XWHT9-E – 3N~, 9kW 220-230V model General specifications Outdoor Unit... -
Page 4: Accessory Parts
Installation Manual Hydro Unit Hydro Unit 80 class Hydro Unit HWS-P804XWHM3-E HWS-P804XWHT6-E HWS-P804XWHT9-E Back up heater capacity for back up heater 220-230V ~ 50Hz 380-400V 3N~ 50Hz 380-400V 3N~ 50Hz Power supply for hot water cylinder heater 220-230V ~ 50Hz (option) Heating (°C) -
Page 5: Preparations For Installation
Installation Manual Hydro Unit Preparations for installation Parts required to connect this product (Common items) Category Part Specification Quantity Strainer (water filter) 1 1/4" 30 to 40 meshes Drain cock (for water charge) Water piping 1 1/4" Isolating ball valves for service 1 1/4"... -
Page 6: Precautions For Safety
Installation Manual Hydro Unit Precautions for safety General safety precautions Ensure that all Local, National and International regulations are satisfied. • Read the “Precautions for safety” carefully before installation. • The precautions described below include the important items regarding safety – Observe them without fail. •... - Page 7 Installation Manual Hydro Unit • Perform installation work properly in accordance with the installation manual. Inappropriate installation may result in water leaks, electric shock or fire. • Tighten all flare nuts with a torque wrench in the specified manner. Excessive tightening of the flare nut may result in cracking of the pipe work or flare nut which may result in a refrigerant leakage.
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Page 8: Example Of Hydro Unit Installation
Installation Manual Hydro Unit Example of Hydro Unit installation Example of installation for cooling and heating When both cooling and heating modes are required a 2-way valve must be installed to isolate the radiator or under- floor heating circuit. ▼ Fig. 5-01 Fan Coil Units (Cooling or Heating) Isolating... - Page 9 Installation Manual Hydro Unit Example of 2-zone temperature control and hot water supply system 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. ▼ Fig. 5-02 Hi-Pressure Temperature By-Pass...
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Page 10: Main Components Of Hydro Unit
Installation Manual Hydro Unit Main components of Hydro Unit Exploded view and description for Hydro Unit ▼ Fig. 6-01 1 : Expansion vessel 2 : Temperature sensor (for Heat pump outlet -TWO) 3 : Pressure sensor 4 : Heat exchanger 5 : Flow switch (13 L/min (8 kW), 18 L/min (11 kW)) 6 : Temperature sensor (for refrigerant -TC) 7 : Temperature sensor (for water inlet -TWI) - Page 11 Installation Manual Hydro Unit E-box layout ▼ Fig. 6-02 Main P.C. board MCC-1511 Trans former External output MG-SW (RY04) P.C. board MCC- Relay 1217 (Option) (RY03) MG-SW (RY05) MG-SW (RY02) Relay Fuse Relay (RY01) (F9 F10) (RY06) External output P.C. board MCC- 1217 (Option) Fuse Relay P.C.
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Page 12: Hydro Unit Installation
Installation Manual Hydro Unit Hydro Unit Positioning installation Service space Secure a service space for the Hydro Unit. WARNING • Do not install the Hydro Unit in a place where heat stagnates. • To protect yourself from injury, always use PPE (Personal Protective Equipment), that is, wear gloves. -
Page 13: Refrigerant Piping
Installation Manual Hydro Unit Refrigerant piping The Hydro Unit can be installed directly without using the fixing angles. However, the back side of the Hydro Unit can be highly heated, therefore, the installing surface must be heat- WARNING resistant. • THIS SYSTEM ADOPTS HFC REFRIGERANT ▼... - Page 14 Installation Manual Hydro Unit Refrigeration pipe Tightening The length and height of the refrigeration pipe must be • Connect the refrigerant pipes, from the outdoor unit, within the following values. to the Hydro Unit as shown below. As long as the Hydro Unit is installed within these ▼...
- Page 15 Installation Manual Hydro Unit ▼ Fig. 7-11 • The water to be used must meet the water quality standard specified in EN directive 98/83 EC. Water pipe Attention Design the water pipe length within the QH To avoid water leak, characteristics of the pump (Refer to “Fig.
- Page 16 Installation Manual Hydro Unit Piping to hot water cylinder (option) Expression for expansion vessel selection Water supplied to the hot water cylinder is branched by a motorized 3-way valve (locally procured). For the specifications of the motorized 3-way valve, refer to “Control parts specifications” on page 20. V: Necessary total tank capacity ( ) Connect the hot water cylinder to port A (open when Water expansion coefficient at each hot water...
- Page 17 Installation Manual Hydro Unit Pump operation/configuration ▼ Fig. 7-16 Hydraulic heat exchanger (8 kW) QH characteristics Minimum flow rate Hydro unit QH- Characteristics (220/230 V) Out of range Pump duty 100 % Pump duty Pump duty 60 % 80 % Flow rate [L/min] ▼...
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Page 18: Electrical Installation
Installation Manual Hydro Unit Electrical installation Water charging Charge water until the pressure gauge shows recommended valve 0.2 MPa (2 bar). WARNING Hydraulic pressure may drop when the trial run begins. In that case, add water. • Ensure electrical circuits are isolated before Air may enter if the charged hydraulic pressure is low. - Page 19 Installation Manual Hydro Unit Control line ▼ Fig. 7-19 Mixing-Valve Mixing-Valve type 1 type 2 for 2 zone for 2 zone control control Max 12 m Temp sensor in hot 230 V 100 mA water cylinder 0.75 mm² or more Pump (local) 1 2 3 4 Max 5 m shielded wire...
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Page 20: Wiring Specifications
Installation Manual Hydro Unit Electrical supply/cable specifications ▼ Wiring specifications Model name POWER Maximum Installation Description Power wire Connection destination HWS- SUPPLY current fuse rating 220-230 V ~ P1104HR-E 22.8 A 25 A 2.5 mm² or more Outdoor 50 Hz Power unit input... - Page 21 Installation Manual Hydro Unit ▼ Control parts specifications Power Maximum current Type Default: 2-wire spring return valve or 3 wire SPST valve Motorized 3-way valve AC 230 V 100 mA Note: 3 wire SPDT valve can be used by changing DIP switch (for hot water) 13_1.
- Page 22 Installation Manual Hydro Unit Electrical connection to hydro unit Outdoor unit to hydro unit electrical connection • Remove the front cover and the electrical box cover from the Hydro Unit. ▼ Fig. 7-22 • The Hydro Unit power cable must be sized in accordance with refer to “Electrical supply/cable specifications”.
- Page 23 Installation Manual Hydro Unit Electrical connection for external booster Electrical connection for external additional heater pumps • The Hydro Unit has the facility to connect an CAUTION additional circulating pump, if required, into the heating or cooling system. • The maximum current available from the •...
- Page 24 Installation Manual Hydro Unit ▼ Fig. 7-26 3-way valve (diverter) connection Type 2: SPST Required Valve Specification: port “A” to Hot water Electrical Specification: 230 V; 50 Hz; <100 mA cylinder Hydro Unit Valve Diameters: Port A, Port B: Ø 1 1/4" Return Mechanism: 3 types of 3-way valve (diverter) can be used.
- Page 25 Installation Manual Hydro Unit 3-way mixing valve connection Hot water cylinder connection (optional) • Please refer to “Electrical supply/cable Required Actuator Specification specifications” for fuse/cable size and for Electrical Specification:230 V; 50 Hz; <100 mA connection details. The 3-way mixing valve is used to achieve the temperature differential needed in a 2-zone heating Electrical Connection (Hot Water Cylinder system.
- Page 26 Installation Manual Hydro Unit Electrical Connection (Hot Water Cylinder Additional hydro unit outputs temperature Sensor) Alarm and Boiler Outputs • Connect the hot water cylinder temperature sensor Alarm Output: L1: Alarm output as shown below to terminals A & B on Terminal •...
- Page 27 Installation Manual Hydro Unit Compressor operation output Optional inputs to hydro unit • Display relay is ON with outdoor unit compressor Room Thermostat Input: operation. 2–3: Room thermostat input for cooling mode • Volt free contact 1–3: Room thermostat input for heating mode AC230 V;...
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Page 28: Installation Place
Installation Manual Hydro Unit Emergency Shutdown input Earth continuity test S2: Emergency stop input, Tempo* control input On completion of the electrical installation a resistance This function can be switched over with FC21 and test should be completed on the earth conductor to FC61. -
Page 29: Connection Diagram
Installation Manual Hydro Unit Remote controller installation Remote controller wiring Connection diagram NOTE • The remote controller wire should not be bundled * Use 0.5 mm wire * Can not use the closed end with other wires (mains, etc.), or installed with other wire joint. -
Page 30: Start Up And Configuration
Installation Manual Hydro Unit • Set DIP SW2 to ON (Room temperature) on the remote controller which you will control the room temperature with. DIP SW2 of optional remote controller is preset to ON (Room temperature). Either one of header or second remote controller must be set as room temperature control. -
Page 31: Hydro Unit Installation Manual
Installation Manual Hydro Unit After SW No. DIP No. Description Default Change 1 Change 2 Change 3 Commissioning Used to activate Hydro Unit back up heaters. OFF = Back up heaters activated; ON = back up heaters de-activated Used to activate hot water cylinder electrical heater. OFF = hot water cylinder heater activated;... - Page 32 Installation Manual Hydro Unit Setting function codes for Set the function code (CODE No.) with the TEMP. buttons. (CODE No.: 01 to Hydro Unit and remote controller Set data (DATA) with the TIME buttons. Set function codes for various operation modes with the remote controller.
- Page 33 Installation Manual Hydro Unit Main setting items • However, A > B > C > D > E. (1) Setting Temperature Range (function code 18 to ▼ Fig. 8-02 <Zone 1> • Set the temperature range for heating (zone 1, zone 2), cooling, and hot water.
- Page 34 Installation Manual Hydro Unit (10)Setting Night Setback (function code 26. (22)Selection of mode of operation by external remote controller function code 0E to 0F) input • Set the function when the NIGHT • Select the logic of an external input signal button on the remote controller is pressed.
- Page 35 Installation Manual Hydro Unit Function code settings Location & FC Number After Change Change FC Description Hydro Range Default Commissioning Heating Upper Limit - Zone 1 – 37~60°C 60°C Heating Lower Limit - Zone 1 – 20~37°C Heating Upper Limit - Zone 2 –...
- Page 36 Installation Manual Hydro Unit Location & FC Number After Change Change FC Description Hydro Range Default Commissioning Function 0=Invalid; 1=Valid – Frost Protection Setting – 10~20°C Temperature (°C) Frost Protection Schedule date – 0~20 Schedule time – 0~23 Downtime Back Up Heater 0=5min;...
- Page 37 Installation Manual Hydro Unit Location & FC Number After Change Change FC Description Hydro Range Default Commissioning 0 = Contacts low > high system stop. System restart with remote controller 1 = Contacts high > low system stop. System restart with remote controller –...
- Page 38 Installation Manual Hydro Unit • Stick the optional insulator for cooling to the bottom • Cover the TFI sensor's cables and sensor with of the Hydro Unit. insulation tube (minimum 1 mm) shown in the diagram on the right. ▼ Fig. 8-03 Direct Buffer tank for Zone 2 Settings for hot water supply...
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Page 39: Test Run
Installation Manual Hydro Unit Test run Maintenance Use operation buttons usually to conduct a test run. Execute periodic maintenance at least once a year. If the outside air temperature or water temperature is outside the setting value range, press the TEST Check points button on the remote controller and then start a test •... -
Page 40: Sensor Temperature Monitoring Function
Installation Manual Hydro Unit Sensor temperature monitoring function The sensor sensing temperature is displayed on the Item Data name Unit remote controller. code This function allows you to make sure whether the Micro computer energized accumulation time × 100h sensor is installed properly. Hot water compressor ON accumulation time ×... -
Page 41: Troubleshooting
Installation Manual Hydro Unit Troubleshooting Fault symptoms Symptom Possible cause Corrective action Check remote controller operation and temperature Incorrect remote controller setting setting Incorrect function code setting Check function code setting with the function code table. Room is not heated or cooled. - Page 42 Installation Manual Hydro Unit O ... Possible × ..Not possible Diagnostic functional operation Check Determination and action Backup Automatic code Operational cause present reset Antifreeze operation 1. Almost no or little water flow. • Dirt clogging in the water piping system. •...
- Page 43 Installation Manual Hydro Unit O ... Possible × ..Not possible Diagnostic functional operation Check Determination and action Backup Automatic code Operational cause present reset TTW sensor error 1. Check the resistance value and connection of the hot × water cylinder sensor (TTW). TFI sensor error 1.
- Page 44 Installation Manual Hydro Unit Diagnostic functional operation Check Determination and action Backup Automatic code Operational cause present reset Compressor breakdown 1. Check the power supply voltage. × 2. Over-loaded condition of the refrigeration cycle. 3. Check that the service valve is fully open. Compressor lock 1.
- Page 45 Installation Manual Hydro Unit Diagnostic functional operation Check Determination and action Backup Automatic code Operational cause present reset The 4-way valve inversion error 1. Check the operation of the 4-way valve unit or the coil characteristics. 2. Defect of the pulse motor valve. ×...
- Page 46 Installation Manual Hydro Unit Defect mode detected by the remote controller Diagnostic functional operation Check code Determination and action Status of air- Operational cause Condition conditioning No communication between hydro Stop – Defect in the remote controller power unit an remote controller supply displaying at 1.
- Page 47 EF99808601...