Toshiba HWS-803H-E Bedienungsanleitung

1st Draft: 22/10/10

AIR TO WATER HEAT PUMP

Series 3

FILE NO : A10-002P

Quick Reference

Estia System

Estia Outdoor Unit

HWS-803H-E (TR) 8.0kW Inverter: single phase

HWS-1103H-E (TR) 11.2kW Inverter: single phase

HWS-1403H-E (TR) 14.0kW Inverter: single phase

HWS-1103H8-E 11.2kW Inverter: three phase

HWS-1403H8-E 14.0kW Inverter: three phase

HWS-1603H8-E 16.0kW inverter: three phase

HWS-1103H8R-E 11.2kW Inverter; three phase with heater cord

HWS-1403H8R-E 14.0kW Inverter: three phase with heater cord

HWS-1603H8R-E 16.0kW Inverter: three phase with heater cord

Estia Hydro Unit

HWS-803XWHM3-E (TR) Plate Heat exchanger and 3kW Backup Heater

HWS-803XWHT6-E (TR) Plate Heat exchanger and 6kW Backup Heater

HWS-803XWHD6-E Plate Heat exchanger and 6kW Backup Heater

HWS-803XWHT9-E Plate Heat exchanger and 9kW Backup Heater

HWS-1403XWHM3-E (TR) Plate Heat exchanger and 3kW Backup Heater

HWS-1403XWHT6-E (TR) Plate Heat exchanger and 6kW Backup Heater

HWS-1403XWHD6-E Plate Heat exchanger and 6kW Backup Heater

HWS-1402XWHT9-E (TR) Plate Heat exchanger and 9kW Backup Heater

Outdoor unit

Hydro unit

Hot Water

Hot water

cylinder

Under floor heating

(Zone Control)

Radiator

Fan coil unit

(Heating or Cooling)

Heating or Cooling

Estia Hot Water Cylinder (EU)

HWS-1501CSHM3-E 150L Stainless Steel Tank (with EU Accessories)

HWS-2101CSHM3-E 210L Stainless Steel Tank (with EU Accessories)

HWS-3001CSHM3-E 300L Stainless Steel Tank (with EU Accessories)

Estia Hot Water Cylinder (UK)

HWS-1501CSHM3-UK 150L Stainless Steel Tank (with UK Accessories)

HWS-2101CSHM3-UK 210L Stainless Steel Tank (with UK Accessories)

HWS-3001CSHM3-UK 300L Stainless Steel Tank (with UK Accessories)

Note:

Under floor heating, Fan Coil units, Radiators, valves and Hot Water Piping are procured locally.

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 external 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.

• The flow rate of the circulating water 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 minimum, the protective device is activated to stop operation.

Ensure the flow rate with a bypass valve, etc. when you use a flow rate valve for the Hydro Unit.

• Do not drive water by power other than the pump built in the Hydro Unit.

• The backup heater operates supplementary to exert a prescribed capacity when the heat pump

cannot exert its capacity at a low outside temperature.

• Install the Hydro Unit and water pipes in a place in which they do not freeze.

• Make the water circuit closed. Never use it as an open circuit.

• To prevent damage to the system the circulating water must be 20 litres or more. If total water

amount is not enough, the unit may not function fully due to protective operation.

Components required for each function

Function Toshiba Supply Procure locally

Part name Model code Part name

Heating - -

Radiator(s),

Fan coil(s),

Under floor heating

Heating & Cooling

(All Rooms) - - Fan coil(s) only

Heating & Cooling

(partly heating only) - -

Fan coil(s) plus

Radiator(s)

or Under floor heating

Motorized 2-way valve

Hot Water Supply

150L Hot water cylinder HWS-1501CSHM3-E

Motorized 3-way valve

Earth leakage breaker

150L Hot water cylinder HWS-1501CSHM3-UK

210L Hot water cylinder HWS-2101CSHM3-E

210L Hot water cylinder HWS-2101CSHM3-UK

300L Hot water cylinder HWS-3001CSHM3-E

300L Hot water cylinder HWS-3001CSHM3-UK

2-zone control - -

Motorized mixing valve

Circulator pump

Buffer tank

Interlocking with boiler External output board TBC-PCIN3E Boiler

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.

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.

Installation example of water circuit:-

(1) (2)

(3) (4)

(5) (6)

The water circuit for a system without a buffer tank [ (1) , (2) , (3) , (5) ] requires 17.5l/min

(803XWH = 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.

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 : 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 : Water pump

18 : Backup heater (3 kW, 3 kW x 2, 3 kW x 3)

19 : Manometer

20 : Water outlet connection

21 : Refrigerant gas connection

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-803H-E : 5 m

HWS-1103H**-E : 5 m

HWS-1403H**-E : 5 m

HWS-1603H**-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 using additional

refrigerant.

Refrigeration and Water Cycle Diagrams

Outdoor Unit: HWS-803H-E

Hydro Units: HWS-803XWH**-E

Outdoor Units: HWS-1103H**-E, HWS-1403H**-E

Hydro Units: HWS-1403XWH**-E

Outdoor Units: HWS-1103H8(R)-E, HWS-1403H8(R)-E, HWS-1603H8(R)-E

Hydro Units: HWS-1403XWH**-E

Water Piping WARNING

• 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 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 cocks (procure locally) for water charge and

discharge at the lower part of the Hydro Unit.

• Make the piping route a closed circuit. (An open circuit may

cause a failure).

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.

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).

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