Toshiba HWS-P805XWHM3-E, HWS-P805XWHT9-E, HWS-P1105XWHT9-E, HWS-P1105XWHT6-E, HWS-P1105XWHM3-E User Manual

...

AIR TO WATER HEAT PUMP

Installation Manual

Hydro Unit

Model name:

HWS-P805XWHM3-E HWS-P805XWHT6-E HWS-P805XWHT9-E HWS-P1105XWHM3-E HWS-P1105XWHT6-E HWS-P1105XWHT9-E

English

Hydro Unit Installation Manual

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.

Contents

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

2 Accessory parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

3 Preparations for installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

4 Precautions for safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

5 Example of Hydro Unit installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

6 Main components of Hydro Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

7 Hydro Unit installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

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

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

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

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

12 Technical parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

1-EN

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Hydro Unit Installation Manual

General information

 System combination

Outdoor Unit

Hydro Unit HWS-P805HR-E HWS-P1105HR-E HWS-P805H8R-E HWS-P1105H8R-E HWS-P1405H8R-E Backup heater

HWS-P805XWHM3-E - - - ~, 3kW

HWS-P805XWHT6-E - - - 3N~, 6kW

HWS-P805XWHT9-E - - - 3N~, 9kW

HWS-P1105XWHM3-E - - ~, 3kW

HWS-P1105XWHT6-E - - 3N~, 6kW

HWS-P1105XWHT9-E - - 3N~, 9kW

single phase model 3 phase model

 General specifications

Outdoor Unit

Single Phase model

Outdoor unit HWS-P805HR-E HWS-P1105HR-E

Power supply 220-230 V ~ 50 Hz

Type INVERTER

Function Heating & Cooling

Capacity (kW) 8.0 11.2

Heating

Cooling

Refrigerant R410A

Dimension HxWxD (mm) 1,340x900x320

Cord heater (W) 75

Input (kW) 1.68 2.30

COP (W/W) 4.76 4.88

Capacity (kW) 6.0 10.0

Input (kW) 1.64 3.33

EER (W/W) 3.66 3.00

3 Phase model

Outdoor Unit HWS-P805H8R-E HWS-P1105H8R-E HWS-P1405H8R-E

Power supply 380-400V 3N~ 50Hz

Type INVERTER

Function Heating & Cooling

Capacity (kW) 8.0 11.2 14.0

Heating

Cooling

Refrigerant R410A

Dimension H×W×D (mm) 1,340×900×320

Cord heater (W) 75

Input (kW) 1.71 2.34 3.16

COP 4.684.804.44

Capacity (kW) 6.0 10.0 11.0

Input (kW) 1.64 3.33 3.90

EER 3.663.002.82

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Hydro Unit Installation Manual

Insulator

Hydro Unit

8 kW model

Hydro Unit HWS-P805XWHM3-E HWS-P805XWHT6-E HWS-P805XWHT9-E

Back up heater capacity (kW) 3.0 6.0 9.0

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

Power supply

Leaving water temperature

for hot water cylinder heater (option)

Heating (°C) 20-60

Cooling (°C) 7-25

220-230 V ~ 50 Hz

11 kW model

Hydro Unit HWS-P1105XWHM3-E HWS-P1105XWHT6-E HWS-P1105XWHT9-E

Back up heater capacity (kW) 3.0 6.0 9.0

Power supply

Leaving water temperature

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)

Heating (°C) 20-60

Cooling (°C) 7-25

220-230 V ~ 50 Hz

Hot Water Cylinder (option)

Hot water cylinder (option)

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

Accessory parts

No. Parts name Quantity

1 Installation Manual (this document) 1

2 Owner’s Manual 1

Insulator for cooling

HWS-1501CSHM3-E

HWS-1501CSHM3-UK

HWS-2101CSHM3-E

HWS-2101CSHM3-UK

HWS-3001CSHM3-E

HWS-3001CSHM3-UK

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Hydro Unit Installation Manual

Preparations for installation

 Parts required to connect this product (Common items)

Category Part Specification Quantity

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

Water piping

Electrical system

Drain cock (for water charge) 1

Isolating ball valves

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

1 1/4" for service 1 1/4"

30 mA 1

 Options required for each function

Purpose

Heating – –

Heating &Cooling (all rooms)

Heating & Cooling (partly heating only)

Hot water supply

2-zone control – –

Interlocking with boiler

In the Hydro Unit Purchased part

Part name Model name Part name Prescribed specification

Radiator(s), Fan coil(s), Under floor heating

– – Fan coil(s)

––

Hot water cylinder

150 L

210 L

300 L

Output control board kit (1)

Motorized 2-way valve (for cooling)

HWS-1501CSHM3-E

HWS-1501CSHM3-UK

HWS-2101CSHM3-E

HWS-2101CSHM3-UK

HWS-3001CSHM3-E

HWS-3001CSHM3-UK

TCB-PCIN3E Boiler

Motorized 3-way valve Earth leakage breaker

Motorized mixing valve

Circulator pump Other power supply

Buffer tank

Refer to “Control parts specifications” on page 21.

Other power supply. Signal 12 V input function is required for boiler.

 Optional parts

No. Part name Model name Application Remarks

Boiler-linked output, Alarm output

1 External output board TCB-PCIN3E

2 External input board TCB-PCMO3E

Defrost signal output, compressor operation signal output

Cooling/heating thermostat input

Emergency stop signal input.

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.

–4–

Up to two boards (according to applications)

4-EN

Hydro Unit Installation Manual

WARNING

Precautions 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.

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 Hydro Unit 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.

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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.

• Under no circumstances must not power cable be extended. Connection trouble in the place where the cable may give rise to smoking and / or a fire.

• 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.

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6-EN

Hydro Unit Installation Manual

 Notes on system design

• The inlet water temperature to the Hydro Unit must be 60 °C or less. Especially, be careful when there is an external heating source such as a boiler. When hot water over 60 °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 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. 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.

7-EN

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Hydro Unit Installation Manual

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

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 2way valve to isolate the heating circuit when in cooling mode.

Use it when do not operate cooling.

Example 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 underfloor heating circuit.

▼ Fig. 5-01

TTW

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8-EN

Hydro Unit Installation Manual

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)

 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

9-EN

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Hydro Unit Installation Manual

8 9

6 7

Main components of Hydro Unit

 Exploded view and description for Hydro Unit

▼ Fig. 6-01

1 : Expansion vessel 2 : Temperature sensor (for Heat pump outlet -TWO) 3 : Pressure sensor 4 : Heat exchanger 5 : Flow switch (13 L/min (8 kW), 18 L/min (11 kW)) 6 : Temperature sensor (for refrigerant -TC) 7 : Temperature sensor (for water inlet -TWI) 8 : Drain nipple 9 : Water inlet connection 10 : Refrigerant liquid connection 11 : Air relief valve 12 : Overpressure preventive valve (0.43 MPa (4.3 bar)) 13 : Thermal protector (auto) 14 : Temperature sensor (for water outlet THO) 15 : Thermal protector (Single operation) 16 : Water pump 17 : Backup heater (3 kW, 3 kW x 2, 3 kW x 3) 18 : Manometer 19 : Water outlet connection 20 : Refrigerant gas connection

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10-EN

Hydro Unit Installation Manual

External output P.C. board MCC1217 (Option)

Relay P.C. board MCC-1431

MG-SW (RY04)

MG-SW (RY02)

External input P.C. board MCC1214 (Option)

Main P.C. board

MCC-1511

Trans former

Relay

(RY06)

MG-SW (RY05)

Relay

(RY01)

Relay

(RY03)

Fuse

(

F9 F10

)

TB 07

TB07

 E-box layout

▼ Fig. 6-02

11-EN

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Hydro Unit Installation Manual

WARNING

CAUTION

NOTE

200 mm

100 mm

500 mm

350 mm

500 mm

380 mm

960 mm

M10

Hydro Unit installation

• 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: The weight of the hydro units is displayed on the product nameplate. When water enters the hydro unit, it gets even heavier by about 20 kg.

• Do not install the unit in a place where water freezes.

• Do not install the Hydro Unit in a place where combustible gas may leak.

• Do not install the Hydro Unit in a place exposed to rain or water.

• Do not install the Hydro Unit near equipment which generates heat.

• Do not install the Hydro Unit to a movable object.

• Do not install the Hydro Unit in a place exposed to vibration.

• The unit must be installed in accordance with national wiring regulation.

• The Hydro Unit must not be installed in a high humidity condition area.

 Positioning

Service space

Secure a service space for the Hydro Unit.

• Do not install the Hydro Unit in a place where heat stagnates.

▼ Fig. 7-01

Mounting

Install M10 bolts at the positions shown below and secure them with nuts.

▼ Fig. 7-02

 Handling, unpacking, and

checking the Hydro Unit

• The unit should be checked when it is delivered, and any damage reported immediately to the courier claims the department.

If customer worried about vibration of Hydro Unit, please insert vibration isolating material between the product and the wall, when installing the product.

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12-EN

Hydro Unit Installation Manual

WARNING

CAUTION

NOTE

Remove the M5a screws to detach the fixing angles.

380

860

M10

Secure the Hydro Unit with plain washers and nuts.

▼ Fig. 7-04

▼ Fig. 7-05

± 1°

▼ Fig. 7-06

▼ Fig. 7-07

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 heatresistant.

▼ Fig. 7-03

 Refrigerant piping

• 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. Accompanied with the new refrigerant the oil has also been changed. Therefore during installation work prevention of the invasion of water, dust, former refrigerant or oil is of a paramount importance. To prevent the charging of incorrect refrigerants into the system the service valve connection ports have also increased in size.

• The use of R410A tools is required for correct installation of the system.

• The use of the correct pipe sizes and wall thicknesses of copper pipe work is required for the correct installation of the system.

Install the Hydro Unit so that its tilting angle falls within the range below.

± 1°

• Ensure all refrigerant pipes are protected from the invasion of dust and water.

• Ensure all pipe work connections are tightened to the required torque settings detailed in this section.

• Perform an air tight using Oxygen Free Nitrogen (OFN) only.

• Evacuate the air in the pipe work using a vacuum pump.

• Check for refrigerant gas leaks at all connections throughout the pipe work.

The Air to Water Heat Pump system uses R410A refrigerant. It is important that copper pipes used for refrigerant piping have the following wall thickness:

• 0.8 mm for Ø6.4 mm, Ø9.5 mm and Ø12.7 mm

• 1.0 mm for Ø15.9 mm

13-EN

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Hydro Unit Installation Manual

Refrigeration pipe

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.

▼ Fig. 7-08

Outdoor unit

H: Max. ±30 m (above or below) L: Max. 30 m

Min. 5 m

Refrigerant pipe sizes

Hydro Unit Model Gas Side (mm)

8 & 11 kW Hydro Unit Ø 15.88 Ø 9.52

Liquid Side

(mm)

Flaring

• Cut the refrigerant pipes to the correct length using a pipe cutter. Remove any burrs that may be on the pipes as these may cause refrigerant leaks or component failure in the refrigeration cycle.

• Place the correct size flare nuts onto the pipes (use the flare nuts supplied with the Hydro Unit or use flare nuts designed specifically for R410A refrigerant) and then flare the pipes using the correct flaring tool.

Tightening

• Connect the refrigerant pipes, from the outdoor unit, to the Hydro Unit as shown below.

▼ Fig. 7-09

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.

• Tighten the flare nuts, using a torque wrench, to the tightening torques shown below:

Outer Ø of Copper Pipe

(mm)

9.5 33 to 42

15.9 63 to 77

Tightening Torque (N/m)

• To prevent damage, to the refrigerant pipes, use two spanners to tighten the flare nut connections to the required torque.

 Water pipe

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 overpressure preventive valve is 0.43 MPa. (4.3 bar)

CAUTION

• Do not use zinc plated water pipes. When steel pipes are used, insulate both ends of the pipes.

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14-EN

Hydro Unit Installation Manual

H < 7 m

Hot water outlet connection 1 1/4"

Water inlet connection 1 1/4"

Attention To avoid water leak, exchange the seal tapes to new one.

Attention Water (used at test in factory before shipping) may be found in the caps.

Local arrangement

Isolating Ball Valve

Strainer (30 to 40 meshes)

Drain cock for water charge and discharge

Inlet

• The water to be used must meet the water quality standard specified in EN directive 98/83 EC.

Water pipe

Design the water pipe length within the QH characteristics of the pump (Refer to “Fig. 7-16” and “Fig. 7-17” on page 17). The height of the pipe must be 7 m or less.

▼ Fig.7-10

▼ Fig. 7-11

Water circuit

• Install a strainer with 30 to 40 meshes (locally procured) at the water inlet of the Hydro Unit.

• Install drain cocks (locally procured) for water charge and discharge at the lower part of the Hydro Unit.

• Make the piping route a closed circuit. (An open water circuit may cause a failure.)

▼ Fig. 7-12

15-EN

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Hydro Unit Installation Manual

to hydro unit

room heating or cooling

to hot water cylinder

Open when deenergized

Open when energized

Motorized mixing valve (locally procured)

from hydro unit

Buffer tank (locally procured)

Zone 2

Water pump (locally procured)

to hydro unit

0 5 0 100 150

250200 300

*In case the maximum hot water temperature is 60ºC

V: Necessary total tank capacity( )

Vs: Total water amount in the system( )

Piping to hot water cylinder (option)

Water supplied to the hot water cylinder is branched by a motorized 3-way valve (locally procured). For the specifications of the motorized 3-way valve, refer to “Control parts specifications” on page 21. Connect the hot water cylinder to port A (open when energized) of the valve.

▼ Fig. 7-13

Piping to 2-zone operation

To perform 2-zone temperature control, circulate water by another pump (locally procured) through a motorized mixing valve (locally procured) and a buffer tank (locally procured). For the specifications of the motorized mixing valve, Refer to “Control parts specifications” on page 21.

▼ Fig. 7-14

Expression for expansion vessel selection

V: Necessary total tank capacity ( )

: Water expansion coefficient at each hot water

temperature Vs: Total water amount in the system P1: System pressure at tank setting position

(MPaabs.)

= water supply pressure = 0.3 (MPaabs.)

(recommended valve) P2: Maximum pressure used during operation at tank

setting position (MPaabs.)

= safety valve setting pressure = 0.4 (MPaabs.) * The absolute pressure value (abs.) is obtained by

adding the atmospheric pressure (0.1 MPa (1 bar)) to the gauge pressure.

▼ Tank selection method

Water temperature and expansion coefficient

Hot water

temperature

(°C)

0 0.0002 50 0.0121

4 0.0000 55 0.0145

5 0.0000 60 0.0171

10 0.0003 65 0.0198

15 0.0008 70 0.0229

20 0.0017 75 0.0258

25 0.0029 80 0.0292

30 0.0043 85 0.0324

35 0.0050 90 0.0361

40 0.0078

45 0.0100

Expansion

rate

Hot water

temperature

(°C)

Expansion

rate

Checking water volume and initial pressure of expansion vessel

The expansion vessel of the Hydro Unit has a capacity of 12 liters. The initial pressure of the expansion vessel is

0.15 MPa (1.5 bar). The pressure of the safety valve is 0.43 MPa (4.3 bar). Verify whether the capacity of the expansion vessel is sufficient using the following expression. If the volume is insufficient, add the capacity locally.

▼ Fig. 7-15

Install an external expansion vessel when the capacity of the expansion vessel is insufficient.

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16-EN

Hydro Unit Installation Manual

0 5 10 15 20 25 30 35

Hydraulic heat exchanger (8 kW) QH characteristics

Minimum flow rate

Head [m]

Out of range

Hydro unit QHCharacteristics (220/230 V)

Pump duty

100%

Pump duty

60%

Pump duty

80%

Flow rate [L/min]

0 1020304050

Head [m]

Hydraulic heat exchanger (11 kW) QH characteristics

Minimum flow rate

Hydro unit QHCharacteristics (220/230 V)

Out of range

Pump duty

100%

Pump duty

60%

Pump duty

80%

Flow rate [L/min]

Pump operation/configuration

▼ Fig. 7-16

▼ Fig. 7-17

17-EN

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Hydro Unit Installation Manual

WARNING

CAUTION

Loosen 2 turns for proper venting

* Purge valve cap faces the front as factory default. * The direction purge valve cap may change during

transportation.

Water charging

Charge water until the pressure gauge shows recommended valve 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.

▼ Fig. 7-18

Water quality

The water used must satisfy EN directive 98/83 EC.

Piping insulation

It is recommended that insulation treatment be applied to all pipes. To perform optional cooling operation, apply insulation treatment of 20 t or more to all pipes.

 Electrical installation

• 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.

• This product must be earthed in accordance with Local, National and International electrical installation regulations.

Loosen the air vent screw of the pump, pull out air in the pump, and tighten again. Loosen the cap of the pressure relief valve to release air. Water may come out of the pressure relief valve. Release the air completely from the water circuit. Failure to do so may disable correct operation.

• The Hydro Unit must be connected to a dedicated power supply for the back up heater circuit.

• The electrical supply must be protected by a suitably sized over current protection device (fuse, MCB etc) and an earth leakage protection device.

• The Hydro Unit must be connected to the mains power supply using a isolating switch which disconnects all poles and has a contact separation of at least 3 mm.

• The cord clamps, attached to the Hydro Unit, must be used to secure the electrical cables.

• Wrong connection of electrical cables may result in electrical component failure or fire.

• Ensure the electrical cables are sized in accordance with the installation instructions.

–18–

18-EN

Hydro Unit Installation Manual

TB07

A B

C D

1 2

3 4

5 6

A B

TB05

PJ20

TB06

CN208

OPTION OPTION

CN209

1 2

7 8 9

TB04

CCW

Mixing-Valve type 2 for 2 zone control

Max 12 m 230 V 100 mA

0.75 mm² or more

Mixing-Valve type 1 for 2 zone control

Max 5 m shielded wire

0.75 mm² or more

Temp sensor in hot water cylinder

Max 12 m 230 V 1 A

0.75 mm² or more

Pump (local)

Max 12 m 230 V 100 mA

0.75 mm² or more

Booster heater (local)

Max 12 m 230 V 1 A

0.75 mm² or more

Alert output (local)

Boiler operation (local)

Defrost output (local)

Compressor operation output (local)

Max 12 m non voltage 0.75 mm² or more

Temp sensor for 2 zone control

Max 5 m shielded wire 0.75 mm² or more

2Way-Valve for cooling stop

3Way-Valve for hot water cylinder

Max 50 m

0.50 mm² or more

2nd remote controller

6B6A 6D

TF1

TB 06

11 12

TB 01

Don't apply 220-240V or breakdown will occur.

TTW

31 32

TB 03

HOT WATER CYLINDER

TB 02

L2L1

WPM

TB 05

MIXV

565758

2WV

3WV

TB 04

L1 L2

TB03

TB01

TB02

Input power 380-400 V 3N ~ 50 Hz

Input power 220-230 V ~ 50 Hz

Hot water cylinder

to Outdoor unit

Hot water cylinder power supply

Outdoor unit connection

Sensor connection

Backup heater power supply

Control line

▼ Fig. 7-19

▼ Fig. 7-20

19-EN

–19–

Hydro Unit Installation Manual

Electrical supply/cable specifications

▼ Wiring specifications

Description

Outdoor unit power

Hydro inlet heater power

Outdoor-Hydro unit Connection 1.5 mm² or more , , TB01

Hydro -Cylinder Connection 1.5 mm² or more , TB03

Power input

Power input for backup heater

Power input for cylinder heater

Model name HWS-

P1105HR-E

P805HR-E

P1405H8R-E

P1105H8R-E

P805H8R-E

P1105XWHM3-E

P1105XWHT6-E

P1105XWHT9-E

P805XWHM3-E

P805XWHT6-E

P805XWHT9-E

POWER SUPPLY

220-230 V ~ 50 Hz

380-400 V 3N~ 50 Hz

220-230 V ~ 50 Hz

380-400 V 3N~ 50 Hz

220-230 V ~ 50 Hz

380-400 V 3N~ 50 Hz

220-230 V ~ 50 Hz

Maximum current

22.8 A 25 A 4 mm² or more

14.6 A 16 A 2.5 mm² or more

13 A 16 A 1.5 mm² or more ,

13 A(13 A x 2P) 16 A 1.5 mm² or more

13 A(13 A x 3P) 16 A 1.5 mm² or more

13 A 16 A 1.5 mm² or more

13 A(13 A x 2P) 16 A 1.5 mm² or more

13 A(13 A x 3P) 16 A 1.5 mm² or more

12 A 16 A 1.5 mm² or more

Installation fuse rating

Power wire Connection destination

, , ,

TB02

TB03

▼ Wiring specifications (control line)

Description Line spec

Maximum current

Maximum length

3-way valve control 2 line or 3 line 100 mA 12 m 0.75 mm² or more

2-way valve control 2 line 100 mA 12 m 0.75 mm² or more , (TB05)

Mixing valve control 3 line 100 mA 12 m 0.75 mm² or more

2-zone thermo sensor 2 line 100 mA 5 m 0.75 mm² or more , (TB06)

Cylinder thermo sensor

2+GND(shielded wire)

100 mA 5 m 0.75 mm² or more , (TB06)

Second remote controller 2 line 50 mA 50 m 0.5 mm² or more , (TB07)

Group control (total) 2 line 50 mA 50 m 0.5 mm² or more , (TB07)

Open protocol interface 2 line 100 mA 50 m 0.5 mm² or more , (TB07)

Connection destination

, ,

(TB05)

, ,

(TB04)

–20–

20-EN

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