Toshiba Estia HWS-802XWHM3-E Installation Manual

Air to water heat pump, hydro unit

Hide thumbs Also See for Estia HWS-802XWHM3-E:

Service manual (169 pages)

Engineering data (146 pages)

Owner's manual (58 pages)

Table Of Contents

See also: Service Manual , Owner's Manual

AIR TO WATER HEAT PUMP

Installation manual

Hydro Unit

Model name:

HWS-802XWHM3-E

HWS-802XWHT6-E

HWS-1402XWHM3-E

HWS-1402XWHT6-E

HWS-1402XWHT9-E

Installation manual

Hydro Unit

(Air to Water Heat Pump)

Manuel d'installation

Unité hydroélectrique

(Pompe à chaleur air/eau)

Installations-handbuch

Hydrogerät

(Luft-Wasser-Wärmepumpe)

Installationshandbok

Hydroenhet

(Luft-till-vatten-värmepump)

English

Français

Deutsch

Svenska

128

Table of Contents

Summary of Contents for Toshiba Estia HWS-802XWHM3-E

Page 1: Installation Manual
AIR TO WATER HEAT PUMP Installation manual Hydro Unit Model name: HWS-802XWHM3-E HWS-802XWHT6-E HWS-1402XWHM3-E HWS-1402XWHT6-E HWS-1402XWHT9-E Installation manual English Hydro Unit (Air to Water Heat Pump) Manuel d’installation Unité hydroélectrique Français (Pompe à chaleur air/eau) Installations-handbuch Hydrogerät Deutsch (Luft-Wasser-Wärmepumpe) Installationshandbok...
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. ADOPTION OF NEW REFRIGERANT This Air to Water Heat Pump is a new type which adopts a new refrigerant HFC (R410A) instead of the conventional refrigerant R22 in order to prevent destruction of the ozone layer.
Page 3: General Information
Hydro Unit GENERAL INFORMATION „ Hydro Unit Description Hydro Unit Model Description HWS-802XWHM3-E 8 kW Hydro Unit (3 kW 230 V ~ back up heater) HWS-802XWHT6-E 8 kW Hydro Unit (6 kW 400 V 3N ~ back up heater) HWS-1402XWHM3-E 11 &...
Page 4: Accessory Parts
Installation Manual Hydro Unit ACCESSORY PARTS Parts name Quantity Parts name Quantity Installation manual (this document) Insulator for cooling Owner’s manual PREPARATIONS FOR INSTALLATION „ Parts required to connect this product (Common items) Category Part Specification Quantity Strainer (water filter) 1 1/4"...
Page 5: Precautions For Safety
Installation Manual Hydro Unit „ Optional Parts Part name Model name Application Remarks Boiler-linked output, Alarm output External output Up to two boards TCB-PCIN3E Defrost signal output, compressor operation board (according to applications) signal output Cooling/heating thermostat input External input Up to two boards TCB-PCMO3E board...
Page 6 Installation Manual Hydro Unit WARNING Installation Precautions • Ask an authorized dealer or qualified installation professional to install/maintain the Air to Water Heat Pump System. Inappropriate installation may result in water leaks, electric shock or fire. • Electrical work must be performed by a qualified electrician in accordance with the installation manual. An inappropriate power supply capacity or installation may result in fire.
Page 7: 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 are used, install a 2-way valve (for cooling) to the pipe to the room for heating only. ▼ Fig. 5-01 Fan Coil Units Isolating (Cooling or Heating)
Page 8 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...
Page 9: 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 : 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)
Page 10 Installation Manual Hydro Unit „ E-Box layout ▼ Fig. 6-02 P.C. board MCC-1511 Trans former Relay P.C. board MG-SW (RY04) MCC-1217 Relay (Option) (RY03) MG-SW (RY05) MG-SW (RY02) Relay Relay (RY01) (RY06) Relay P.C. board MCC-1217 (Option) Fuse Relay P.C. board Relay P.C.
Page 11: Hydro Unit Installation
Installation Manual Hydro Unit HYDRO UNIT INSTALLATION WARNING • To protect yourself from injury, always use PPE (Personal Protective Equipment), that is, wear gloves. • Install the Hydro Unit by at least two persons. • Install the Hydro Unit in a place strong enough to withstand the following weights: Hydro Unit weight with no water 60 kg (802) 65 kg (1402) Hydro Unit weight with full water 80 kg (802) 85 kg (1402) CAUTION...
Page 12 Installation Manual Hydro Unit Water pipe Design the water pipe length within the QH characteristics of the pump (Refe to “Fig. 7-16” and “Fig. 7-17” on page 19). The height of the pipe must be 7 m or less. ▼ Fig. 7-02 H <...
Page 13 Installation Manual Hydro Unit 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- resistant. ▼ Fig. 7-05 ▼ Fig. 7-06 ▼...
Page 14: Refrigerant Piping
Installation Manual Hydro Unit „ Refrigerant Piping WARNING • THIS SYSTEM ADOPTS HFC REFRIGERANT (R410A) WHICH DOES NOT DESTROY THE OZONE LAYER. • The characteristics of R410A refrigerant are: ease to absorb water, oxidizing membrane or oil, and its pressure is approximately 1.6 times higher that of R22.
Page 15 Installation Manual Hydro Unit Tightening • Connect the refrigerant pipes, from the outdoor unit, to the Hydro Unit as shown below. ▼ Fig. 7-10 Gas line Ø 15.88 Liquid line Ø 9.52 • Align the flare connection on each pipe with the corresponding outlet connection on the Hydro Unit. Tighten the flare nuts, using fingers, to secure the pipes in place.
Page 16 Installation Manual Hydro Unit Water circuit • Install a strainer with 30 to 40 meshes (procured locally) at the water inlet of the Hydro Unit. • Install drain cocks (procured locally) for water charge and discharge at the lower part of the Hydro Unit. •...
Page 17 Installation Manual Hydro Unit Piping to hot water tank (option) Water supplied to the hot water cylinder is branched by a motorized 3-way valve (procured locally). For the specifications of the motorized 3-way valve, refer to “Control parts specifications” on page 23. Connect the hot water cylinder to port A (open when energized) of the valve.
Page 18 Installation Manual Hydro Unit Expression for expansion vessel selection V: Necessary total tank capacity ( ) Water expansion coefficient at average hot water temperature Vs: Total water amount in the system P1: System pressure at tank setting position (MPaabs.) (Pipe inner pressure during pump operation before heating device operates = water supply pressure) P2: Maximum pressure used during operation at tank setting position (MPaabs.) (= safety valve setting pressure) * The absolute pressure value (abs.) is obtained by adding the atmospheric pressure (0.1 MPa (1 bar)) to the...
Page 19 Installation Manual Hydro Unit Pump operation/configuration ▼ Fig. 7-16 Hydraulic heat exchanger (14 kW) QH characteristics Minimum flow rate Out of Operation Range Flow rate ( /min) ▼ Fig. 7-17 Hydraulic heat exchanger (8 kW) QH characteristics Minimum flow rate SW 3 SW 2 Out of...
Page 20 Installation Manual Hydro Unit Water charging Charge water until the pressure gauge shows 0.2 MPa (2 bar). Hydraulic pressure may drop when the trial run begins. In that case, add water. Air may enter if the charged hydraulic pressure is low. Loosen the purge valve cap by two turns to release air.
Page 21: Electrical Installation
Installation Manual Hydro Unit „ Electrical Installation WARNING • Ensure electrical circuits are isolated before commencing the electrical installation. • The electrical installation must be completed by a qualified electrician. • The electrical installation must comply to all Local, National and International electrical installation regulations. •...
Page 22 Installation Manual Hydro Unit Control line ▼ Fig. 7-20 Mixing-Valve Mixing-Valve type type 2 for 2 1 for 2 zone control zone 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 shield wire...
Page 23: Wiring Specifications
Installation Manual Hydro Unit Electrical supply/cable specifications ▼ Wiring specifications POWER SUPPLY Maximum Installation fuse Connection Description Power wire current rating destination 14 kW 230 V ~ 50 Hz 22.8 A 25 A 2.5 mm² or more Outdoor unit 11 kW 230 V ~ 50 Hz 22.8 A 25 A...
Page 24 Installation Manual Hydro Unit Maximum Maximum Description Output current voltage length 0.5 A AC230 V 12 m Non-voltage Defrost Output contacts DC24 V 12 m ▼ Input line specifications Description Input Maximum length Emergency stop control Non-voltage 12 m Cylinder thermostat input Non-voltage 12 m Cooling thermostat input...
Page 25 Installation Manual Hydro Unit • Ensure the Outdoor Unit to Hydro Unit interconnecting cable is secured using the cable clamp fitted in the electrical box. • Ensure the Outdoor Unit to Hydro Unit interconnecting cable connection terminals are tight. Electrical connection for external booster heater CAUTION •...
Page 26 Installation Manual Hydro Unit 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. SW13-1 Type 1 2-wire spring return OFF...
Page 27 Installation Manual Hydro Unit 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 to terminals 2, 3 and 4 on Terminal Block 04 (for Type 1 mixing valve) or on terminals 1, 2 and 3 on Terminal Block 04 (for Type 2 mixing valve).
Page 28 Installation Manual Hydro Unit Hot water cylinder electrical box connections ▼ Fig. 7-31 Hydro unit Additional hydro unit outputs Alarm and Boiler Outputs Alarm Output: L1: Alarm output • Output enabled when the system is in alarm/fault condition. • Volt free contact - specification shown below: AC230 V;...
Page 29 Installation Manual Hydro Unit Defrost and Compressor operation Outputs Defrost output • Display relay is ON when the system defrost. • Volt free contact AC230 V; 0.5 A (maximum) DC24 V; 1 A (maximum) • Connection details: Terminals 1 and 2 (OPERATION) on MCC-1217 TB (Refer to “Fig. 7-33”) Compressor operation output •...
Page 30 Installation Manual Hydro Unit CAUTION • Be sure to prepare a non-voltage contact for each terminal. • Display Relay capacity of “EMG” and “OPERATION”. Ø = 100 %) Below AC230 V 0.5 A (COS When connecting loads such as relay coil to “L1, L2” load, insert noise surge absorber. Below DC24 V 1 A (Non-inductive load) When connecting load such as relay coil to “L1, L2”...
Page 31 Installation Manual Hydro Unit CAUTION • Be sure to prepare a non-voltage continuous contact for each terminal. • Supplementary Insulation must be added to user touchable part of switches. Electrical safety checks The electrical safety checks must be completed before turning on the electrical supplies to the Air to Water heat pump system.
Page 32: Start Up And Configuration
Installation Manual Hydro Unit START UP AND CONFIGURATION Set the DIP switches and function codes. „ Setting DIP Switches on the Board in the Hydro Unit • Detach the front cover and the electric parts box cover of the Hydro Unit. •...
Page 33 Installation Manual Hydro Unit „ Setting Function Codes for Hydro Unit and Remote Controller Set function codes for various operation modes with the remote controller. There are two types of setting. 1) Hydro Unit function code setting 2) Remote controller function code setting Setting remote controller mode <Setting Hydro Unit Function Code>...
Page 34 Installation Manual Hydro Unit Main setting items (1) Setting Hot Water Temperature Range (function code 18 to 1F) • Set the temperature range for heating (zone 1, zone 2), cooling, and hot water. • The upper-limit and lower-limit temperatures of each mode can be set. (2) Setting Heat Pump Operation Conditions for Hot Water Supply (function code 20 and 21) •...
Page 35 Installation Manual Hydro Unit (9) Setting Frequency of Output to Internal Heater (function code 33 to 34) • The increase/decrease time is used to set the response time. (10)Setting Night Setback (function code 26. remote controller function code 0F to 11) •...
Page 36 Installation Manual Hydro Unit Function code settings Function code setting address Function code setting Default Range Unit Unit Note Hydro Remote unit controller 01. Upper-limit temperature for 37 to 55 °C heating Zone 1 02. Lower-limit temperature for 20 to 37 °C heating Zone 1 03.
Page 37 Installation Manual Hydro Unit Function code setting address Function code setting Default Range Unit Unit Note Hydro Remote unit controller 01. Function 0: Invalid, 1: Valid 0, 1 Select 8. Frost Protection 02. Setting temperature 8 to 20 °C 01. Down time (Example) Heater 0: 5 min, 1: 10 min, 2: 15 min, 0 to 3 Select...
Page 38 Installation Manual Hydro Unit „ Settings by Purpose Settings when hot water supply function is not used • When the hot water supply function is not used, set DIP SW12-1 on the Hydro Unit board to ON. (Refer to page 32.) Setting for cooling •...
Page 39: Test Run
Installation Manual Hydro Unit ▼ Fig. 8-03 ▼ Fig. 8-04 Insulation tube (minimum 1 mm) TFI Sensor Tying up 2 Zone hot water supply pipe More than 4 mm Direct Buffer tank for Zone 2 Under Floor Heating Under-floor Heating (2-Way Valve Control) TEST RUN Use operation buttons usually to conduct a test run.
Page 40: Maintenance
Installation Manual Hydro Unit MAINTENANCE Execute periodic maintenance at least once a year. Check points • Check all electrical connections and make adjustments if they are necessary. • Check the water pipes of the heating systems in particular any evidence of leakage. •...
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 Alarm Alarm description and generation/reset conditions indication Hot water cylinder temperature TTW sensor defect If short-circuit or open-circuit state continues for two seconds, an alarm occurs. Auto-reset: When normal value is confirmed Floor inlet temperature TFI sensor defect If short-circuit or open-circuit state continues for two seconds, an alarm occurs.
Page 43 Installation Manual Hydro Unit Alarm Main failure part Description indication Outdoor unit discharge When open- or short-circuit of discharge temperature sensor TD is temperature sensor TD defect detected Outdoor unit temperature sensor When open- or short-circuit of heat exchanger temperature sensor TE or TE or TS defect TS is detected Outdoor unit outside air...
Page 44 EF99804301-3...

This manual is also suitable for:

Estia hws-802xwht6-e Estia hws-1402xwhm3-e Estia hws-1402xwht6-e Hws-1402xwht9-e Estia hws-1402xwht9-e

Toshiba Estia HWS-802XWHM3-E Installation Manual

Table of Contents

Installation manual

Hydro Unit

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Summary of Contents for Toshiba Estia HWS-802XWHM3-E

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Table of Contents