Toshiba HWS-1403XWHM3-E Bedienungsanleitung

Toshiba

Installation manual

Hydro Unit

(Air to Water Heat Pump)

AIR TO WATER HEAT PUMP

Hydro Unit

Model name:

HWS-803XWHM3-E

HWS-803XWHT6-E

HWS-803XWHD6-E

HWS-803XWHT9-E

HWS-1403XWHM3-E

HWS-1403XWHT6-E

HWS-1403XWHD6-E

HWS-1403XWHT9-E

English

Installation manual

+00EF99805101_01EN.book Page 1 Monday, June 21, 2010 3:45 PM

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Hydro Unit Installation Manual

Contents

1 GENERAL INFORMATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2 ACCESSORY PARTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3 PREPARATIONS FOR INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

4 PRECAUTIONS FOR SAFETY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

5 EXAMPLE OF HYDRO UNIT INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

6 MAIN COMPONENTS OF HYDRO UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

7 HYDRO UNIT INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

8 START UP AND CONFIGURATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

9 TEST RUN. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

10 MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

11 SENSOR TEMPERATURE MONITORING FUNCTION . . . . . . . . . . . . . . . . . . . . . . . . 40

12 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

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.

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Hydro Unit Installation Manual

1GENERAL INFORMATION

System Combination

General Specifications

Outdoor Unit

Single Phase model

3 Phase model

Outdoor Unit

Hydro Unit HWS-

803H-E

HWS-

1103H-E

HWS-

1403H-E

HWS-

1103H8-E

HWS-

1403H8-E

HWS-

1603H8-E

HWS-

1103H8R-E

HWS-

1403H8R-E

HWS-

1603H8R-E

Backup

heater

HWS-803XWHM3-E – – – – – – – – ~, 3kW

HWS-803XWHT6-E – – – – – – – – 3N ~, 6kW

HWS-803XWHD6-E – – – – – – – – 3~, 6kW

HWS-803XWHT9-E – – – – – – – 3N~, 9kW

HWS-1403XWHM3-E – ~, 3kW

HWS-1403XWHT6-E – 3N~, 6kW

HWS-1403XWHD6-E – – – – – – – 3~, 6kW

HWS-1403XWHT9-E – 3N~, 9kW

220-230V model 3 phase model 3 phase with Cord Heater

Outdoor unit HWS-803H-E HWS-1103H-E HWS-1403H-E

Power supply 220-230V ~ 50Hz

Type INVERTER

Function Heating & Cooling

Heating

Capacity (kW) 8.0 11.2 14.0

Input (kW) 1.82 2.35 3.11

COP (W/W) 4.40 4.77 4.50

Cooling

Capacity (kW) 6.0 10.0 11.0

Input (kW) 2.13 3.52 4.08

EER (W/W) 2.82 2.84 2.70

Refrigerant R410A

Dimension HxWxD (mm) 890x900x320 1,340x900x320

Outdoor unit

with Cord heater

HWS-

1103H8-E

HWS-

1403H8-E

HWS-

1603H8-E

HWS-

1103H8R-E

HWS-

1403H8R-E

HWS-

1603H8R-E

Power supply 380-400V 3N~ 50Hz

Type INVERTER

Function Heating & Cooling

Heating

Capacity (kW) 11.2 14.0 16.0 11.2 14.0 16.0

Input (kW) 2.39 3.21 3.72 2.39 3.21 3.72

COP 4.694.364.304.694.364.30

Cooling

Capacity (kW) 10.0 11.0 13.0 10.0 11.0 13.0

Input (kW) 3.52 4.08 4.80 3.52 4.08 4.80

EER 2.84 2.70 2.71 2.84 2.70 2.71

Refrigerant R410A

Dimension HxWxD (mm) 1,340x900x320

Cord heater (W) – 75

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Hydro Unit Installation Manual

Hydro Unit

80 class

112,140,160 class

Hot Water Cylinder (option)

2ACCESSORY PARTS

Hydro Unit HWS-803XWHM3-E HWS-803XWHT6-E

HWS-803XWHD6-E

HWS-803XWHT9-E

Back up heater capacity 3.0 6.0 9.0

Power supply

for back up heater 220-230V ~ 50Hz 380-400V 3N~ 50Hz 220-230V 3~ 50Hz 380-400V 3N~ 50Hz

for hot water cylinder heater

(option) 220-230V ~ 50Hz

Leaving water

temperature

Heating (°C) 20-55

Cooling (°C) 10-25

Hydro Unit HWS-1403XWHM3-E HWS-1403XWHT6-E

HWS-1403XWHD6-E

HWS-1403XWHT9-E

Back up heater capacity 3.0 6.0 9.0

Power supply

for back up heater 220-230V ~ 50Hz 380-400V 3N~ 50Hz 220-230V 3~ 50Hz 380-400V 3N~ 50Hz

for hot water cylinder heater

(option) 220-230V ~ 50Hz

Leaving water

temperature

Heating (°C) 20-55

Cooling (°C) 10-25

Hot water cylinder (option) HWS-1501CSHM3-E

HWS-1501CSHM3-UK

HWS-2101CSHM3-E

HWS-2101CSHM3-UK

HWS-3001CSHM3-E

HWS-3001CSHM3-UK

Water volume (liter) 150 210 300

Power supply 220-230V ~ 50Hz

Max water temperature (°C) 75

Electric heater (kW) 2.75

Height (mm) 1,090 1,474 2,040

Diameter (mm) 550

Material Stainless steel

No Parts name Quantity No Parts name Quantity

1 Installation manual (this document) 1 3 Insulator for cooling 1

2 Owner’s manual 1

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Hydro Unit Installation Manual

3PREPARATIONS FOR INSTALLATION

Parts required to connect this product (Common items)

Options required for each function

Optional Parts

Use specified products for the outdoor unit, Hydro Unit, and hot water cylinder.

Do not use commercially available products.

Use parts that conform to prescribed specifications for parts to be connected to the Hydro Unit.

If unspecified products or parts are used, a malfunction, failure or fire may be caused.

Category Part Specification Quantity

Water piping

Strainer (water filter) 1 1/4" 30 to 40 meshes 1

Drain cock (for water charge) 1

Isolating ball valves 1 1/4"

for service 1 1/4" 2

Electrical system

Earth leakage breaker for main power supply 30 mA 1

Earth leakage breaker for backup heater 30 mA 1

(Option)

Earth leakage breaker for hot water cylinder

heater

30 mA 1

Purpose In the Hydro Unit Purchased part

Part name Model name Part name Prescribed specification

Heating – – Radiator(s), Fan coil(s), Under

floor heating

Heating &Cooling (all

rooms) – – Fan coil(s)

Heating & Cooling

(partly heating only) ––

Motorized 2-way valve (for

cooling)

Refer to “Control parts

specifications” on page 21.

Hot water supply

Hot water cylinder

Motorized 3-way valve

Earth leakage breaker

Refer to “Control parts

specifications” on page 21.

150 L HWS-1501CSHM3-E

HWS-1501CSHM3-UK

210 L HWS-2101CSHM3-E

HWS-2101CSHM3-UK

300 L HWS-3001CSHM3-E

HWS-3001CSHM3-UK

2-zone control – –

Motorized mixing valve Refer to “Control parts

specifications” on page 21.

Circulator pump Other power supply

Buffer tank

Interlocking with boiler Output control board

kit (1) TBC-PCIN3E Boiler

Other power supply.

Signal 12 V input function is

required for boiler.

No. Part name Model name Application Remarks

1 External output board TCB-PCIN3E

Boiler-linked output, Alarm output Up to two boards (according to

applications)

Defrost signal output, compressor operation signal

output

2 External input board TCB-PCMO3E Cooling/heating thermostat input Up to two boards (according to

applications)

Emergency stop signal input.

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Hydro Unit Installation Manual

4PRECAUTIONS 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.

• After the installation work has been completed, perform a trial operation to check for any problems. Follow the

Owner’s Manual to explain how to use and maintain the unit to the customer.

• Turn off the main power supply switch (or breaker) before unit maintenance.

• Ask the customer to keep the Installation Manual along with the Owner’s Manual.

Refrigerant Precautions

• If a refrigerant leak is suspected contact the dealer who supplied the system, in the case of a recharge of

refrigerant ask service personnel for details of the leak and confirmation of the repairs completed.

The refrigerant used in the system is harmless.

• Generally the refrigerant does not leak, however, if the refrigerant should leak into a room and a heater or stove

burner in the room is lit, toxic gas may be generated.

• Do not install the system in a location subject to a risk of exposure to a combustible gas.

If a combustible gas leaks and stays around the unit a fire may occur.

• Install the refrigerant pipe securely during installation and before operation.

If the compressor is operated with no pipe work connected and valves open the compressor will suck air which

would result in over pressurization of the system which may result in bursting or injury.

Observe the same precautions for refrigerant recovery work (pump back procedure to outdoor unit) and do not

disconnect pipe work until refrigerant is recovered and valves closed.

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.

• When completing any electrical works to the system ensure that all Local, National and International regulations are

satisfied.

Inappropriate grounding may result in electric shock.

• Ensure all electrical cables, used for the ESTIA installation, comply with all Local and National regulations. Check all

electrical terminations are secure and tight.

• Earth wire connections.

• Install an earth leakage breaker without fail.

Incomplete grounding can cause electric shock.

Do not ground wires to gas pipes, water pipes, lightning rods or telephone cable ground wires.

• This unit must be connected to the main power supply using a circuit breaker or switch with a contact separation of

at least 3 mm.

• Be sure to turn off all main power supply switches or the circuit breaker before starting any electrical work.

Ensure all power switches are off, failure to do so can cause electric shock.

Use an exclusive power circuit for the Air to Water Heat Pump system using the rated voltage.

• Ensure correct connection of interconnecting wire between Outdoor Unit and Hydro Unit.

Incorrect connection of the interconnecting cable may result in the damage of electrical parts.

• Ensure refrigeration system remains sealed to external gases and air.

Should air or other gases contaminate the refrigeration circuit, high system pressures could result in burst pipes and

injuries.

• Do not modify or bypass any of safety guards or switches in this system.

• After unpacking the outdoor unit, examine the unit carefully for any possible damage.

• Do not install in any place that might increase the vibration of the unit.

• To avoid personal injury (with sharp edges), be careful when handling parts.

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Hydro Unit Installation Manual

• 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.

• Wear heavy duty gloves during installation work to avoid injury.

• Install the outdoor unit securely in a location where the base can sustain the weight adequately.

• In enclosed areas, if the refrigerant leaks during installation vacate and ventilate immediately.

• After installation is complete ensure and confirm that refrigerant does not leak.

If refrigerant leaks into a room and flows near a fire source noxious gas may be generated.

• Do not block any drain hoses. Hoses may come off and electric shocks may occur.

• Do not hit the manometer, because it is made of glass. It is breakable.

Notes on System Design

• The inlet 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 and 14 kW 18 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 the operation.

To ensure the minimum flow rate of the water system, install a bypass valve on one water circuit. Please note

this circuit must contain a minimum of 20 liters. Failure to do could result in premature system failure.

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

• The back up heaters, in the hydro unit, are designed to assist the heat pump during periods fo low ambient

conditions.

• Ensure the Hydro unit and the connecting water pipes are installed in a location that is not exposed to low

ambient temperatures which could result in the water circuit freezing.

• The system operation is designed around a closed water cirduit. Do not use an open circuit design.

• Circulating water must be 20 liters or more. If total water amount is not enough, the unit may not function fully

due to protective operation.

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Hydro Unit Installation Manual

5EXAMPLE 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

TTW

Fan Coil Units

(Cooling or Heating)

Isolating

Ball

Valves

Strainer (40 mesh / 0.4 mm) Diverting 3-Way

Valve for

Sanitary Hot

Water Cylinder

Radiators (Heating Only)

[2-Way Valve Control]

2-Way

Valve

2-Way

Valve

Alternative to Radiators

Under-floor Heating

(Heating Only)

[2-Way Valve Control]

Indirect Sanitary

Hot Water Cylinder

Drain Cock for water

Charge and Drain

Use the 2-

way valve to

isolate the

heating

circuit when

in cooling

mode.

Use it when do not

operate cooling.

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Hydro Unit Installation Manual

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

TTW

TFI

TRV

Temp.

Regulating

Valve

(Mechanical)

Isolating

Valves

(Service)

Strainer (40 mesh / 0.4 mm)

Diverting

3-Way

Valve for

Sanitary

Hot

Water

Cylinder

Drain Cock for water

Charge and Drain

Zone 1

Fan Coil Unit (Heating

or Cooling)

Temperature

Regulating

Valve

(Mechanical)

Hi-Pressure

By-Pass

Valve

Indirect Sanitary Hot

Water Cylinder

Mixing 3-Way

Valve for Under

Floor Heating

External Pump for

Under Floor Heating

Motorized 2-Way Valve

is required if fan coil

units are in cooling

operation.

Direct Buffer tank for

Under Floor Heating

Zone 2

Under-floor Heating

(2-Way Valve Control)

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Hydro Unit Installation Manual

6MAIN COMPONENTS OF HYDRO UNIT

Exploded view and description for Hydro Unit

▼Fig. 6-01

1 : Expansion vessel

2 : 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 (8kw), 17.5 L/min (14kw))

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

+00EF99805101_01EN.book Page 10 Monday, June 21, 2010 3:45 PM

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