Toshiba HWS-455XWHM3-E Bedienungsanleitung

AIR TO WATER HEAT PUMP

Hydro Unit

Model name:

HWS-455XWHM3-E

HWS-805XWHM3-E

HWS-805XWHT6-E

HWS-805XWHT9-E

HWS-1405XWHM3-E

HWS-1405XWHT6-E

HWS-1405XWHT9-E

Installation Manual

English

Français

Deutsch

Svenska

Installation Manual 1

Manuel d’installation

Installationshandbuch 125

Installationsanvisning 187

–1–

Hydro Unit Installation Manual

Contents

1 General information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2 Accessory parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3 Preparations for installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

4 Precautions for safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

5 Example of Hydro Unit installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

6 Main components of Hydro Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

7 Hydro Unit installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

8 Group Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

9 Start up and configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

10 Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

11 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

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.

1-EN

–2–

Hydro Unit Installation Manual

1General information

System combination

General specifications

Outdoor Unit

Single Phase model

3 Phase model

Outdoor Unit

Hydro Unit HWS-

455H-E HWS-

805H-E HWS-

1105H-E HWS-

1405H-E HWS-

1105H8-E HWS-

1405H8-E HWS-

1605H8-E

HWS-

1105H8R-E HWS-

1405H8R-E HWS-

1605H8R-E

Backup

heater

HWS-455XWHM3-E ––––––– – –~,3kW

HWS-805XWHM3-E – –––––– – –~,3kW

HWS-805XWHT6-E – –––––– – –3N~,6kW

HWS-805XWHT9-E – – – – – – – – 3N~, 9 kW

HWS-1405XWHM3-E

–– ~, 3 kW

HWS-1405XWHT6-E – – 3N~, 6 kW

HWS-1405XWHT9-E – – 3N~, 9 kW

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

Outdoor unit HWS-455H-E HWS-805H-E HWS-1105H-E HWS-1405H-E

Power supply 220-230 V ~ 50 Hz

Type INVERTER

Function Heating & Cooling

Heating

Capacity (kW) 4.5 8.0 11.2 14.0

Input (kW) 0.92 1.79 2.30 3.11

COP (W/W) 4.90 4.46 4.88 4.50

Cooling

Capacity (kW) 4.5 6.0 10.0 11.0

Input (kW) 1.46 1.94 3.26 3.81

EER (W/W) 3.08 3.10 3.07 2.89

Refrigerant R410A

Dimension HxWxD (mm) 630x800x300 890x900x320 1,340x900x320

Outdoor unit

with Cord heater

HWS-

1105H8-E HWS-

1405H8-E

HWS-

1605H8-E

HWS-

1105H8R-E HWS-

1405H8R-E HWS-

1605H8R-E

Power supply 380-400 V 3N~ 50 Hz

Type INVERTER

Function Heating & Cooling

Heating

Capacity (kW) 11.2 14.0 16.0 11.2 14.0 16.0

Input (kW) 2.34 3.16 3.72 2.34 3.16 3.72

COP 4.804.444.304.804.444.30

Cooling

Capacity (kW) 10.0 11.0 13.0 10.0 11.0 13.0

Input (kW) 3.26 3.81 4.80 3.26 3.81 4.80

EER 3.07 2.89 2.71 3.07 2.89 2.71

Refrigerant R410A

Dimension HxWxD (mm) 1,340x900x320

Cord heater (W) – 75

2-EN

–3–

Hydro Unit Installation Manual

Hydro Unit

4.5 kW model

8 kW model

11 kW, 14 kW, 16 kW model

Hot Water Cylinder (option)

Hydro Unit HWS-455XWHM3-E

Back up heater capacity (kW) 3.0

Power supply

for back up heater 220-230 V ~ 50 Hz

for hot water cylinder heater

(option) 220-230 V ~ 50 Hz

Leaving water

temperature

Heating (°C) 20-55

Cooling (°C) 7-25

Hydro Unit HWS-805XWHM3-E HWS-805XWHT6-E HWS-805XWHT9-E

Back up heater capacity (kW) 3.0 6.0 9.0

Power supply

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

for hot water cylinder heater

(option) 220-230 V ~ 50 Hz

Leaving water

temperature

Heating (°C) 20-55

Cooling (°C) 7-25

Hydro Unit HWS-1405XWHM3-E HWS-1405XWHT6-E HWS-1405XWHT9-E

Back up heater capacity (kW) 3.0 6.0 9.0

Power supply

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

for hot water cylinder heater

(option) 220-230 V ~ 50 Hz

Leaving water

temperature

Heating (°C) 20-55

Cooling (°C) 7-25

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 220-230 V ~ 50 Hz

Max water temperature (°C) 75

Electric heater (kW) 2.7

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

Diameter (mm) 550

Material Stainless steel

3-EN

–4–

Hydro Unit Installation Manual

2Accessory parts

No. Parts name Quantity

1 Installation Manual (this document) 1

2 Owner’s Manual 1

Insulator for cooling

Insulator

4-EN

–5–

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

(8,14 kW) (4.5 kW)

Water piping

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

Drain cock (for water charge) 1

Isolating ball valves 1 1/4"

for service 1 1/4" 1"

for service 1" 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 22.

Hot water supply

Hot water cylinder

Motorized 3-way valve

Earth leakage breaker Refer to “Control parts

specifications” on page 22.

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 22.

Circulator pump Other power supply

Buffer tank

Interlocking with boiler Output control board

kit (1) TCB-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.

5-EN

–6–

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 test run 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 earth wires to gas pipes, water pipes, lightning rods or telephone cable earth wires.

6-EN

–7–

Hydro Unit Installation Manual

• 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.

• 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.

7-EN

–8–

Hydro Unit Installation Manual

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.

14 kW 18 L/minute or more

8 kW 13 L/minute or more

4.5 kW 10 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. If total water amount is not

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

• 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

of 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 circuit. Do not use an open circuit

design.

• Please turn on the main power supply to up to 12 hours before the start of the operation, and

don’t turn off the power all the time during the period of use.

8-EN

–9–

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.

9-EN

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