Instruction/ maintenance manual of the product A09-01P Toshiba
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FILE NO : A09-01P Quick reference A IR T O W ATER H EAT P UMP.
Quick Reference Guide - Page 2 Estia System Outdoor unit Hydro unit Domestic Hot Water Radiator Fan coil unit (Heating o r Cooling) Space Conditioning Under floor heating (Zone Control) Hot water cylinder Estia Outdoor Unit HWS-802H-E 8.0kW Inverter (u se Hydro Unit: HWS-802XWH**-E) HWS-1102H-E 11.
Quick Reference Guide - Page 3 Notes on System Design • The input water temperature to the Hydro Unit must be 55°C or less. Especially, be careful when there is an exte rnal heating source such as a boiler. When hot water over 55°C returns, it may result in a failure of the unit or water leakage.
Quick Reference Guide - Page 4 Installation Examples Space Cooling and Space 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.
Quick Reference Guide - Page 5 Installation Examples (cont.) 2-Zone Space Heating 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 temperatur e control.
Quick Reference Guide - Page 6 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.
Quick Reference Guide - Page 7 Refrigerant Piping Refrigerant Pipe Lengths and Height The length and height of the refrigeration pipe must be within the following values. Minimum Pipe Length HWS-802H-E : 5 m HWS-1102H-E : 3 m HWS-1402H-E : 3 m Maximum Pipe Length and Height H: Max.
Quick Reference Guide - Page 8 Outdoor Unit HWS-802H-E HWS-1102H-E, 1402H-E.
Quick Reference Guide - Page 9 Water Piping • Install water pipes according to the regulations of respective countries. • Install water pipes in a freeze-free place. • Make sure that water pipes have sufficient pre ssure resistance (The setting value of the pressure relief valve is 0.
Quick Reference Guide - Page 10 Checking water volume and initial pressure of expansion vessel The expansion vessel of the Hydro Un it has a capacity of 12 litres. The initial pressure of the exp ansion vessel is 0.1 MPa (1 bar). The suggested initial water c harge is 0.
Quick Reference Guide - Page 11 Pump operation / configuration Change Pump speed, so that water flow is always greater than the mi nimum flow rate. If water flow is lower than the minimum rate duri ng operation, the unit detects error. Water charging Charge water until the pressure gauge shows 0.
Quick Reference Guide - Page 12 Electrical Connections E Box layout Terminal Block Connections.
Quick Reference Guide - Page 13 Power Lines Schematic Control Lines Schematic.
Quick Reference Guide - Page 14 Electrical supply / cable specifications Wiring specificati ons (power line) Description POWER SUPPLY Maximum current Installation fuse rating Cable size Connection destination 14 kW 230 V ~ 50 Hz 22.8 A 25 A 2.5 mm² or more 11 kW 230 V ~ 50 Hz 22.
Quick Reference Guide - Page 15 Input line specifications Description Input Maximum length Emergency stop control Non-voltage 12 m Cylinder thermostat input Non-voltage 12 m Cooling thermostat input N.
Quick Reference Guide - Page 16 Electrical connection for external booster heater CAUTION The maximum current available from the booster heater output is 1 A.
Quick Reference Guide - Page 17 2-way valve (for cooling) connection Required Valve Specification: Electrical Specificati on: 230 V; 50 Hz; <100 mA Return Mechanism: 2-wire spring return. • The Hydro Unit has the facility to connect a 2-way valve to isolate Space Conditioning Unit s that do not perform cooling, when Cooling Mode is selected.
Quick Reference Guide - Page 18 3-way mixing valve connection Required Actuator Specification Electrical Specificati on:230 V; 50 Hz; <100 mA The 3-way mixing valve is used to achieve the te mperature differential needed in a 2-zone heating system.
Quick Reference Guide - Page 19 Setting DIP Switches on the Board in the Hydro Unit • Detach the front cover and the electric parts box cover of the Hydro Unit.
Quick Reference Guide - Page 20 Hydro Unit Remote Control Buttons and Functions 1. TEMP. button: Changes the set temperature for each operation mode (ZONE1/2 hot water) by 1°C step. 10. NIGHT button: Controls the night set back operation. 2. SCHEDULE button: Sets the current time and scheduled weekly operation.
Quick Reference Guide - Page 21 Display Explanation 18: ZONE1, ZONE2 20: HOT WATER Display Description Display Description Lights when floor heater or radiator is connected (when the sy stem has floor heater or radiator). ZONE1 selected for Temperature to be changed.
Quick Reference Guide - Page 22 Display Explanation (cont.) 19: TIMER 21: OPERATION Display Description Display Description Clock: Displ ays the curre nt time (AM or PM). Lights while internal pump (P1) o r external pump (P2) is driven. Displays days of the week (Sunday to Saturday).
Quick Reference Guide - Page 23 ) Setting Hot Water T emperature Range ( func ti on code 18 to 1F) ot water. tion code 20 and 21) rature. It ction code 24 and 25) rature when the hot water T WATER BOO.
Quick Reference Guide - Page 24 1)Setting 2-Way Valve (for Cooling) Opera tion (function code 3C) unit only for heating (such as floor 2)Setting 3-Way Valve Operation (function cod e 54) this setting to invert the logic circuit in cas e ports 3)Mixing valve types and setting full open of the 2- zone cont rol mixing valve.
Quick Reference Guide - Page 25 Function Code List (cont.) Function Code Number Function Hydro Unit C Range Default Remote ontroller Outside temperature T1 °C 29 - -15 ~ 0 -10 Outside temperature T2 .
Quick Reference Guide - Page 26 Function Code List (cont.) Function Code Number Function Hydro Unit Remote Controller Ran ge Default Remote Controller Indication 24 hour or 12 hour remote control displa y.
Quick Reference Guide - Page 27 Settings by Purpose (cont) Settings for 2-zone temperature control • Procure a motorized mixing valve locally and perform piping. Conne ct the valve cables (as described in Electrical section). • Procure a buffer tank locally.
Quick Reference Guide - Page 28 Sensor Temperature Monitoring Function The sensor sensing temperature is di splayed on the remote co ntroller. This funct ion allows you to make sure whether the sensor is installed prop erly. 1) Press the TEST + CL buttons fo r four seconds or more.
Quick Reference Guide - Page 29 Alarm Indications Alarm indication Alarm description and generation/reset condi tions E03 Regular communication e rror between hydro unit and re mote controller (system controller) If there is no regular communication fro m the remote controller fo r three minutes, the hydro unit regards it as no remote controller.
Quick Reference Guide - Page 30 Alarm Indications (cont) A09 Overheat pre ventive operation malfunction Auto-reset: When opera tion mode is changed A11 Release prev entive operation malfun ction This alarm occurs when t he Hydro Unit enters the forced- stop zone 10 times.
Quick Reference Guide - Page 31 Outdoor Fault Diagnosis You can perform fault diagnosis of the o utdoor unit with the LED's on the P.C. board of the outdoor unit in addition to check codes displaye d on the wired re mote controller of the hydro unit.
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If you already are a holder of Toshiba A09-01P, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Toshiba A09-01P.
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