Hitecsa WPVBZ HE Manual de instrucciones

IOM_WPVBZ HE-WPVZ HE_401-1201-4002_208110_200901_EN

PACKAGED COMPACT VERTICAL –WATER / AIR

WPVBZ HE / WPVZ HE

WPVBZ HE WPVZ HE

Heat pump Cooling only

PACKAGED COMPACT VERTICAL WATER-AIR UNITS

INSTALLATION, OPERATION & MAINTENANCE MANUAL

IOM_WPVBZ HE-WPVZ HE_401-1201-4002_208110_200901_ES

Models: 401 - 1201 - 4002

IOM_WPVBZ HE-WPVZ HE_401-1201-4002_208110_200901_EN

PACKAGED COMPACT VERTICAL –WATER / AIR

WPVBZ HE / WPVZ HE

Thank you for trusting the Hitecsa Products. Our company has been offering the market an extended range of specialized units for air

conditioning and cooling installations for over 35 years. Our approach is based on efficiency, flexibility and on practical solutions. This has

been the hallmark of our product catalogue.

The versatility of our factory allows us to deliver solutions that can meet any requirement and we endeavour solving any problem that may

arise in designing and implementing air conditioning installations.

From all of us at Hiplus Aire Acondicionado, once again, thank you very much.

IOM_WPVBZ HE-WPVZ HE_401-1201-4002_208110_200901_EN

PACKAGED COMPACT VERTICAL –WATER / AIR

WPVBZ HE / WPVZ HE

INDEX

INTRODUCTION ............................................................................................................................4

REGULATIONS AND CERTIFICATIONS.......................................................................................5

SAFETY PRECAUTIONS...............................................................................................................6

TECHNICAL SPECIFICATIONS ....................................................................................................8

TRANSPORT ...............................................................................................................................10

INSPECTION AT RECEPTION .......................................................................................................................................... 10

RIGGING ........................................................................................................................................................................ 10

STORAGE ....................................................................................................................................................................... 10

INSTALLATION............................................................................................................................11

SERVICE AREA (MM)........................................................................................................................................................ 11

WEIGHT DISTRIBUTION (KG)........................................................................................................................................... 11

DIMENSIONS.................................................................................................................................................................. 12

INSTALLATION SITE ........................................................................................................................................................ 14

UNIT SETTLEMENT ......................................................................................................................................................... 14

DRAIN ............................................................................................................................................................................ 14

ELECTRICAL INSTALLATION ............................................................................................................................................ 14

WATER INSTALLATION ................................................................................................................................................... 15

Water filling................................................................................................................................................................ 15

Purging ....................................................................................................................................................................... 15

Risk of frost................................................................................................................................................................. 15

Glycol additions .......................................................................................................................................................... 15

HYDRAULIC CIRCUIT AND ITS COMPONENTS................................................................................................................. 16

Regulating devices...................................................................................................................................................... 17

Condenser water regulating valve.............................................................................................................................. 17

HYDRAULIC DIAGRAM ................................................................................................................................................... 18

HYDRAULIC CONNECTIONS WITH WATER PRESSURE REGULATING VALVE (OPTION) ................................................... 19

ELECTRICAL CONNECTIONS ........................................................................................................................................... 20

Connection of thermostats ......................................................................................................................................... 20

Electrical connection of the hydraulic devices with TH-TUNE and µPC ...................................................................... 21

OPERATION ................................................................................................................................22

BEFORE START-UP.......................................................................................................................................................... 22

START UP ....................................................................................................................................................................... 22

OPERATION LIMITS ........................................................................................................................................................ 23

EC MOTOR FAN .............................................................................................................................................................. 24

Safety instructions ...................................................................................................................................................... 24

Working on the device................................................................................................................................................ 25

Modifications / interventions in the device ................................................................................................................ 26

TH TUNE CONTROLLER................................................................................................................................................... 27

Start / Stop ................................................................................................................................................................. 27

Setpoint Temperature Adjustment ............................................................................................................................. 27

Operation modes ........................................................................................................................................................ 27

Indoor Fan: ................................................................................................................................................................. 27

WARNINGS ....................................................................................................................................................................... 27

Description of the warding codes ............................................................................................................................... 27

Alarms ........................................................................................................................................................................ 27

DESCRIPTION OF THE ALARM CODES............................................................................................................................. 28

MAINTENANCE ...........................................................................................................................29

EC MOTOR FANS ............................................................................................................................................................ 30

Rotation caused by an air flow in false direction........................................................................................................ 30

Diagnosis / Faults ....................................................................................................................................................... 31

Status Out with flash code.......................................................................................................................................... 32

REFRIGERANT CHARGE .................................................................................................................................................. 34

IOM_WPVBZ HE-WPVZ HE_401-1201-4002_208110_200901_EN

PACKAGED COMPACT VERTICAL –WATER / AIR

WPVBZ HE / WPVZ HE

INTRODUCTION

Purpose of this Manual

This manual and any other instructive document attached as refrigeration lines design, electrical

diagrams, etc. have been written to allow a correct installation, commissioning and maintenance of

the unit. Therefore it is essential to read the instructions with due attention.

Verify that all the necessary information for the correct installation of the system is included in the

manuals supplied with this unit and/or the rest of the indoor units, accessories, etc. Otherwise, the

manufacturer declines any responsibility for any damage to persons, animals or things, as a result of

improper use of the unit and/or failure to observe these instructions.

In case of different interpretations and/or errors the documentary priority will be: 1. Characteristics

plate of the unit, 2. IOM (this document), 3. EDM, technical catalogue, 4. UM user manuals.

Conservation of the Manual

This manual and the electric diagram of the unit must be retained and remain available to the operator for any further

consultation.

Updating the Data

The continuous improvement in design and performance to which we are committed gives us the right to modify the

specifications of our products without prior notice.

Electrical Supply

Check that the electrical network features are in accordance to data shown in the data nameplate of the

unit.

Local Safety Regulations

Observe and analyse all possible causes of accidents that may arise in the place or places of installation of the units, check

means and tools to use, etc. It is not possible to anticipate each and every one of the potential circumstances of danger in

this manual. Respect the valid local security standards during installation.

Principles of Security on Installation

The unit is designed and built in a way that does not pose a risk to the health and safety of people. Appropriate solutions

for the project have been adopted to eliminate the possible causes of risk in the installation.

Packaging and Replacement of Equipment

The material of the package (plastic bags, insulating materials, nails, etc.) is a potential source of danger.

Consequently, it should be kept out of the reach of children and properly recycled according to the valid

local safety regulations.

This product should not be mixed with household waste at the end of its life. Due to the refrigerant, oil and

other components contained in this product, it must be dismantled by professional installers, all waste

should be sent, according to its nature to recycling, composting or treatment plants, or to an authorized

waste management agency in accordance with the current local legislations.

Utilization

The unit will only be used for the purpose it has been designed. Any other use does not imply any kind of liability or

responsibility from the manufacturer.

Incorrect Operation

In case of breakdown or operation faults, turn the unit off.

IOM_WPVBZ HE-WPVZ HE_401-1201-4002_208110_200901_EN

PACKAGED COMPACT VERTICAL –WATER / AIR

WPVBZ HE / WPVZ HE

INTRODUCTION

Periodic Inspections and Maintenance

Carry out periodic inspections to detect possible damaged or broken parts. If these parts are not repaired

it could cause damage to people or material. Before executing any maintenance operation, switch the unit

power supply off.

Make sure to keep the maintenance areas open. If these areas have to be invaded by the construction of

air supply and/or lateral return ducts, verify that the design of the ducts allows the access to the fans and

the replacement of the filters.

All operations shall be carried out in accordance with the local safety regulations.

Repairing Operations

The reparations shall always and exclusively be completed by trained personal authorized by the

manufacturer using original spares. The safety devices of the unit could be affected due to the failure to

comply with these warnings.

Modifications

The manufacturer will not respond to the warranty and to the possible damages of the unit in case of electrical and/or

mechanical modifications. The unauthorized manipulation, reparation or modification of the unit will automatically invalidate

the warranty.

Refrigerant

This product is hermetically sealed and contains R-407C which is a HFC fluorinated greenhouse gas.

REGULATIONS AND CERTIFICATIONS

ISO 9001 CERTIFICATION: HIPLUS AIRE ACONDICIONADO S.L., by endeavouring to always gain the maximum

satisfaction from their customers, obtained the ISO 9001: Quality System for its design and production activities. That result

shows our continuous determination to improve quality and the reliability of all our products. Our commercial activities,

design, raw materials, production processes and after-sales service represent the means to reach our goal.

CE MARKING: Our products are CE marked according to the essential requirements of the applicable EC directives and

their last modifications and comply with the national legislation of each country.

IOM_WPVBZ HE-WPVZ HE_401-1201-4002_208110_200901_EN

PACKAGED COMPACT VERTICAL –WATER / AIR

WPVBZ HE / WPVZ HE

SAFETY PRECAUTIONS

Before starting any installation, service or maintenance operation, turn off the main power switch in

order to avoid electrical shock that may cause personal damages.

In case of folding electrical panels, before folding them up in order to access to the interior of the machine, it is

MANDATORY to disconnect the power supply hose from the electrical voltage, THE LINE MUST ALWAYS BE

FREE OF VOLTAGE for this operation.

It is absolutely prohibited to realize any operation on parts that are electrically powered on. The protection class

of the opened equipment is IP00!

The absence of voltage must be confirmed by a minimum two poles voltage tester.

DANGER

Do not touch or adjust the safety devices inside any unit of the system. For repairs use only original spare parts

and mount them properly in the same position where old parts were placed.

The installation and maintenance of air conditioning equipment may be dangerous because the system is under

pressure, some of its elements have high temperatures and include electrical components.

Do not install the unit in an explosive atmosphere.

The units equipped with water-air, water-water, or refrigerant-water heat exchangers shall be protected

properly against damage caused by frost. A proper protection is obtained by adding the necessary anti-

frost liquid so that the freezing temperature becomes minimum -2°C (6% when using Ethylene Glycol).

Moreover when the ambient temperature in any part of the installation may reach values lower than 5°C

it is COMPULSORY to protect the unit and the whole installation with additional measures such as

heating tubes, draining the unit and the whole installation for water (when the unit is not under

operation) or adding more anti-frost liquid so that the freezing point always will be lower than the

minimum temperature that the ambient air may reach.

Even after disconnecting the main voltage, life-threatening charges may appear between the protective ground

“PE” and the main connection.

When the motor runs independently due to air flowing through or if it continues to run down after being turned off,

dangerous voltages of over 50 V can arise on the internal connections of the motor through operation of the

generator.

When there are EC motors or motors with variable speed control, the protective earth is conducting high discharge

currents (depending on the switching frequency, current source voltage and motor capacity). Grounding in

compliance with EN specifications shall therefore be observe even for testing and trial conditions (EN 50 178, Art.

5.2.11). Without grounding, dangerous voltages can be present on the motor housing.

Because of the use of capacitors, danger of death exists even after switching off the device in case of direct

contact with conductive parts or with parts that carry voltage due to fault condition. It is only allowed remove or

open the housing of the controller when the power supply cable is disconnected and after a waiting time of 3

minutes.

The warranty of the unit will not respond to the damages caused by frozen water.

WARNING!

IOM_WPVBZ HE-WPVZ HE_401-1201-4002_208110_200901_EN

PACKAGED COMPACT VERTICAL –WATER / AIR

WPVBZ HE / WPVZ HE

SAFETY PRECAUTIONS

Only qualified and trained service staff (technical service) must make the installation, commissioning and carry

out maintenance works. Unqualified personnel can only make basic tasks such as cleaning and replacement of

filters, etc.

Prevent access to children so they cannot play with the appliances.

In every visit, all precautions must be taken into account: those recommended in the installation, operation and

maintenance instructions, as well as the ones indicated in labels of the unit. Do not forget to strictly follow any

other safety precautions.

DO NOT introduce objects into the air inlets or outlets that can be drawn into the fan, people, etc.

Use safety glasses, work gloves and any other safety accessory necessary.

The fan / motor may switch on and off automatically for functional reasons.

After power failure or main disconnection automatic restart of the fan may occur when power supplyis back!

Wait for the fan to come to a complete standstill before approaching it!

In the AC external rotor motor the external rotor turns during operation!

For brazing operations use a quenching cloth and take precautions to have at close distance a fire extinguisher.

This product contains fluorinated greenhouse gases, leakage can cause displacement of air and entail insufficient

oxygen to breath.

The decomposition of fluorinated gases when being burned due to e.g. brazing operations, may cause the

existence of highly toxic and corrosive gases.

Must follow all safety recommendations.

ATTENTION!

The responsibility of all personal and material damages caused by an unplanned or inappropriate use will be given

to the person or operating company of the unit, and not to the manufacturer.

WARNING!

IOM_WPVBZ HE-WPVZ HE_401-1201-4002_208110_200901_EN

PACKAGED COMPACT VERTICAL –WATER / AIR

WPVBZ HE / WPVZ HE

TECHNICAL SPECIFICATIONS

WPVZ HE / WPVBZ HE

401

1201

4002

REFRIGERANT

Type

R407c

GWP (1)

1774

Refrigerant charge WPVZ

1.05

3.7

5.8 + 5.8

Refrigerant charge WPVBZ

9 + 9

COOLING CAPACITIES

Cooling capacity (2)

13.2

41.0

129.3

Total absorbed power (2)

4.33

13.68

44.28

EER coefficient (2)

kW / kW

3.05

3.00

2.92

ηs,c (2)

106.8

108.0

103.7

Water flow

mᶟ/h

2.97

9.27

29.4

WPVBZ HE (Heat pump units)

HEATING CAPACITIES

Nominal heating capacity (3)

15.8

49.6

155

Heating capacity (4)

12.7

39.92

124.99

Total absorbed power (4)

3.75

11.67

37.88

COP coefficient (4)

kW / kW

3.39

3.42

3.3

ηs,h (4)

109.6

110.7

106.5

Water flow

mᶟ/h

2.6

8.19

25.27

1) GWP: Global Warming Potential (climatic) of 1 kg of greenhouse gas relative to 1 kg of CO2, calculated in terms of 100-year warming

potential.

2) Cooling tower conditions: Room temperature 27/19ºC. Condenser water: inlet 30 ºC / outlet 35ºC.

3) Dry air temperature 20°C. Humid temperature, room air 14°C. Inlet water temperature 16°C.

4) Ground water conditions: Room temperature 20ºC. Evaporator water: inlet 10ºC, Unit’s water flow 100 % inlet 7ºC.

IOM_WPVBZ HE-WPVZ HE_401-1201-4002_208110_200901_EN

PACKAGED COMPACT VERTICAL –WATER / AIR

WPVBZ HE / WPVZ HE

TECHNICAL SPECIFICATIONS

WPVZ HE / WPVBZ HE

401

1201

4002

COMPRESSOR

Type

Scroll

Quantity

Power supply

V / ~ / Hz

400V / 3 ~ / 50 Hz

Oil type

FV68S

160PZ

160SZ

Oil quantity - compressor

1.7

3.9

2 x 6.8

INDOOR FAN

Type

Radial with EC motor (Plug-Fan type)

Quantity

Size

310

400

500

Nominal air flow

mᶟ/h

2400

8200

21500

Nominal available pressure

150

Maximum available pressure

900

940

440

Nominal power - motor

1.4

2.4

3.5

Maximum speed

rpm

2920

2400

1860

Power supply

V / ~ / Hz

230V / 1 ~ / 50 Hz

400V / 3 ~ / 50 Hz

INDOOR EXCHANGER

Type

Coil of finned copper tubes

Front surface

m²

0.31

0.84

2.1

Number of stages

OUTDOOR EXCHANGER

Type

Welded plates

Quantity

Water connections (MTP)

ø (")

1 1/2

Number of plates

ELECTRICAL GENERAL SPECIFICATIONS

Power supply

V / ~ / Hz

400V/ 3 ~+ N /50 Hz

Maximum operation current

8.7

26.2

87.3

Start-up current

146

215

DIMENSIONS AND WEIGHT

Length

780

1790

2404

Width

650

870

1157

Height

1380

1630

2122

Duct

mm x mm

297 x 338

373 x 1003

481 x 1407

Weight

165

515

1060

SOUND LEVEL

Total sound power

dB (A)

IOM_WPVBZ HE-WPVZ HE_401-1201-4002_208110_200901_EN

PACKAGED COMPACT VERTICAL –WATER / AIR

WPVBZ HE / WPVZ HE

TRANSPORT

INSPECTION AT RECEPTION

It is advisable to check the equipment carefully upon reception.

Check that the equipment has not been damaged during transport and has been supplied complete with all parts

specified in the order and/or with the optional specified in the order. If this is not the case contact the transport

company immediately (within 48h)

Verify the correct voltage of the nameplate and make sure it is in accordance with the local power supply.

In case of any flaw or anomaly detected, please contact HITECSA.

RIGGING

Before moving the unit make sure that all the panels are fixed correctly.

Raise and set down the equipment carefully.

Do not tilt the unit more than 15 degrees during transportation, (Pict. 2).

Always transport the unit in its original packaging to the place of installation.

All units come with a particular rigging diagram of that model similar to the one shown below. Be sure to hoist the

machine through the points indicated in the diagram.

Make sure that the unit is balanced, stable and without any deformations when it is lifted.

STORAGE

If the equipment is going to be stored before the installation, please follow the instructions below in order to avoid damages,

corrosion or deterioration:

Move it carefully.

Do not place the machine in places exposed to ambient temperatures above 50ºC and preferably keep the unit away

from direct sunlight.

Avoid placing the unit with plastic wrapping protection under the sun as the pressure of the circuits could assume

values that could lead to the intervention of the safety valves.

In addition, when cooling, water condensation occurs inside the machine and the plastic wrap.

Avoid placing other objects on top of the unit (unless it is done within the limits of the overlap planes indicated on the

packaging, etc. Follow these indications).

Avoid prolonged storage before installation, water penetration, dust and objects in general due to invasion or

biological, meteorological and/or human impacts.

Minimum storage temperature: 5ºC.

Maximum relative humidity: 90%.

The warranty will not cover any damage caused by frozen water.

WARNING

Fig. 1

Fig. 2

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