CLIVET MSE-SC 65D User manual

M43X41C6-03 15-07-16

MSE-SC 65D - 180F

Installation and

operating manual

Condenserless water chiller for outdoor or indoor installation

Dear Customer,

We congratulate you on choosing this product

For many years Clivet has been oering systems that provide maximum comfort, together with high

reliability, eciency, quality and safety.

The aim of the company is to oer advanced systems, that assure the best comfort, reduce energy

consumption and the installation and maintenance cost for the life cycle of the system.

The purpose of this manual is to provide you with information that is useful from reception of

the equipment, through installation, operational usage and nally disposal so that this advanced

system oers the beat solution.

Yours faithfully.

CLIVET Spa

The data contained in this manual is not binding and may be changed by the manufacturer without

prior notice.

Reproduction, even is part, is FORBIDDEN © Copyright - CLIVET S.p.A. - Feltre (BL) - Italia

M43X41C6-03 MSE-SC 65D-180F 3

Index of contents

1 General description 4

2 Reception 6

3 Positioning 8

4 Water connections 9

5 Refrigeranting connections 11

6 Electrical connections 15

7 Start-up 22

8 Control 25

9 Maintenance 31

10 Decommissioning 34

11 Residual risks 35

12 Accessories 36

13 Dimensional drawings 38

14 Technical information 42

4 MSE-SC 65D-180F M43X41C6-03

1 General description

1.1 Manual

The manual provides correct unit installation, use and maintenance.

Pay particular attention to:

Warning, identies particularly important operations or information.

Prohibited operations that must not be carried out, that compromise the operating of the unit or may cause damage to persons or things.

• It is advisable to read it carefully so you will save time during operations.

• Follow the written indications so you will not cause damages to things and injuries people.

1.2 Preliminaries

Only qualied personnel can operate on the unit, as required by the regulation in force.

1.3 Risk situations

The unit has been designed and created to prevent injures to people.

During designing it is not possible to plane and operate on all risk situation.

Read carefully “Residual risk” section where all situation which may cause damages to things and injuries to people are reported.

Installation, starting, maintenance and repair required specic knowledge; if they are carried out by inexperienced personnel, they may cause

damages to things and injuries people.

1.4 Intended use

Use the unit only:

• cooling water or a water and glycol mix for air-conditioning

• Keep to the limits foreseen in the technical schedule and in this manual

The manufacturer accepts no responsibility if the equipment is used for any purpose other than the intended use.

1.5 Installation

The positioning, hydraulic system, refrigerating, electrics and the ducting of the air must be determined by the system designer in accordance

with local regulations in force.

Follow local safety regulations.

Verify that the electrical line characteristics are in compliance with data quotes on the unit serial number label.

1.6 Maintenance

Plan periodic inspection and maintenance in order to avoid or reduce repairing costs.

Turn the unit o before any operation.

1.7 Modication

All unit modications will end the warranty coverage and the manufacturer responsibility.

1.8 Breakdown/Malfuction

Disable the unit immediately in case of breakdown or malfunction.

Contact a certied service agent.

Use original spares parts only.

Using the unit in case of breakdown or malfunction:

• voids the warranty

• it may compromise the safety of the unit

• may increase time and repair costs

M43X41C6-03 MSE-SC 65D-180F 5

1.9 User training

The installer has to train the user on:

• Start-up/shutdown

• Set points change

• Standby mode

• Maintenance

• What to do / what not to do in case of breakdown

1.10 Data update

Continual product improvements may imply manual data changes.

Visit manufacturer web site for updated data.

1.11 Indications for the User

Keep this manual with the wiring diagram in an accessible place for the operator.

Note the unit data label so you can provide them to the assistance centre in case of intervention (see“Unit identication” section).

Provide a unit notebook that allows any interventions carried out on the unit to be noted and tracked making it easier to suitably note the

various interventions and aids the search for any breakdowns.

In case of breakdown or malfunction:

• Immediately deactivate the unit

• Contact a service centre authorized by the manufacturer

The installer must train the user, particularly on:

• Start-up/shutdown

• Set points change

• Standby mode

• Maintenance

• What to do / what not to do in case of breakdown

1.12 Unit indentication

The serial number label is positioned on the unit and allows to indentify all the unit features.

The matriculation plate must never be removed.

The matriculation plate shows the indications foreseen by the standards, in particular:

• unit type

• serial number (12 characters)

• year of manufacture

• wiring diagram number

• electrical data

• manufacturer logo and address

1.13 Serial number

It identies uniquely each unit.

Must be quoted when ordering spare parts.

1.14 Assistance request

Note data from the serial number label and write them in the chart on side, so you will nd them easily when needed.

Series

Size

Serial number

Year of manufacture

Electrical wiringdiagram

6 MSE-SC 65D-180F M43X41C6-03

2 Reception

You have to check before accepting the delivery:

• That the unit hasn’t been damaged during transport

• That the materials delivered correspond with that indicated on the transport document comparing the data with the identication label

positioned on the packaging.

In case of damage or anomaly:

• Write down on the transport document the damage you found and quote this sentence: “Conditional acceptance clear evidence of

deciencies/damages during transport”

• Contact by fax and registered mail with advice of receipt to supplier and the carrier.

Any disputes must be made within 8 days from the date of the delivery. Complaints after this period are invalid.

2.1 Storage

Observe external packaging instructions.

2.2 Handling

1. Verify unit weight and handling equipment lifting capacity.

2. Identify critical points during handling (disconnected routes, ights, steps, doors).

3. Suitably protect the unit to prevent damage.

4. Lifting bracket

5. Screw pin shackle.

6. Safety pin shackle.

7. Before starting the handling, make sure that the unit is stable.

8. Gradually bring the lifting belts under tension, making sure they are positioned correctly.

A. Protections

B. Lifting bracket

M43X41C6-03 MSE-SC 65D-180F 7

2.3 Packaging removing

Be careful not to damage the unit.

Keep packing material out of children’s reach it may be dangerous.

Recycle and dispose of the packaging material in conformity with local regulations.

8 MSE-SC 65D-180F M43X41C6-03

3 Positioning

During positioning consider these elements:

• Technical spaces requested by the unit

• Electrical connections

• Water connections

3.1 Functional spaces

Functional spaces are designed to:

• guarantee good unit operation

• carry out maintenance operations

• protect authorized operators and exposed people

Respect all functional spaces indicated in the DIMENSIONS section.

Double all functional spaces if two or more unit are aligned.

3.2 Positioning

Units are designed to be installed:

• INTERNAL / EXTERNAL

• in xed positions

Limit vibration transmission:

• use antivibration devices on unit bearing points

• install exible joints on the hydraulic connections

Choose the installation place according to the following criteria:

• safe accessible position

• Standard unit operating range at full load

• verify unit weight and bearing point capacity

• verify that all bearing points are aligned and leveled

• install the unit raised from the ground

3.3 Saftey valve gas side

The installer is responsible for evaluating the opportunity of installing drain tubes, in conformity with the local regulations in force (EN 378).

3.4 Fresh air probe

The external probe allows to automatically change the unit set point according to the external enthalpy (temperature + humidity).

It is then possible to optimize the unit energy eciency.

Positioning

The sensor has not to be inuenced by factors that can false the reading (for ex. direct solar irradiation, exhaust air by fan or other sources,

contact with the unit structure or other sources of heat, accumulations of snow/ice), it has therefore to be placed in a protected place (possibly

to the north), for example in an attic, under a terrace and if it is on a free wall, provide a small roong.

Examples to position the external probe:

A. roof

B. under a terrace

C. if at free wall provide a small roong

M43X41C6-03 MSE-SC 65D-180F 9

4 Water connections

4.1 Water quality

Water features

• conrming to local regulations

• total hardness < 14°fr

• within the limits indicated by table

The water quality must be checked by qualied personnel.

Water with inadequate characteristics can cause:

• pressure drop increase

• reduces energy eciency

• increased corrosion potential

Acceptable water quality values:

42-

HCO

/SO

42-

Total Hardness

43-

< 100

> 1

4,5 ÷8,5

< 50

< 2,0

NH3 < 0,5

PH 7,5 ÷9,0

ppm

Temperature

< 0,5

< 0,05

< 50

< 65

Oxygen content < 0,1

Free Chlorine < 0,5

ppm

ppb

°C

ppm

Provide a water treatment system if values fall outside the limits.

The warranty does not cover damages caused by limestone formations, deposits and impurities from the water supply and / or failure from

failed system clearing to clean system.

4.2 Risk of freezing

If the unit or the relative water connections are subject to temperatures close to 0°C:

• mix water with glycol, or

• safeguard the pipes with heating cables placed under the insulation, or

• empty the system in cases of long non-use

4.3 Anti-freeze solution

The use of an anti-freeze solution results in an increase in pressure drop.

Make sure that the glycol type utilized is inhibited (not corrosive) and compatible with the water circuit components.

Do not use dierent glicol mixture (i.e. ethylene with propylene).

4.4 Water ow-rate

The project water-ow must be:

• inside the exchanger operating limits (see the TECHNICAL INFORMATION section)

• guarantee, also with variable system conditions (for example in systems where some circuits are bypassed in particular situations).

4.5 Hydraulic connections

• take away the supplied connection union by acting on the connection joint

• weld the union to the installation pipe

• perform the connection between the installation pipe and the evaporator, using the joint

Retirer le joint de connexion avant de souder le tuyau de l’installation.

The rubber gasket might be irreparably damaged.

10 MSE-SC 65D-180F M43X41C6-03

4.6 Water lter

It must be installed immediately in the water input of the unit, in a position that is easily accessible for cleaning.

The lter never should be removed, this operation invalidates the guaranty.

4.7 Recommended connection

The installer must dene:

• component type

• position in system

1 antivibration joints 10 Flow Switch

2 piping support 11 pressure gauge

3 exchanger chemical cleaning bypass 12 thermometer

4 shut-o valve 13 shut-o valve

5 pressure switch of the charged system 14 lter

6 vent 15 lling valve

7 Pump / circulating pump 16 shut-o valve

8 expansion vessel 17 Internal storage tank

9 safety valve 18 Cleaning system bypass

4.8 Operation sequence

Close all vent valves in the high points of the unit hydraulic circuit

Close all drain valves in the low points of the unit hydraulic circuit:

• Heat exchangers

• Pumps

• collectors

• storage tank

• free-cooling coil

1. Carefully wash the system with clean water: ll and drain the system several times.

2. Apply additives to prevent corrosion, fouling, formation of mud and algae.

3. Fill the plant

4. Execute leakage test.

5. Isolate the pipes to avoid heat dispersions and formation of condensate.

6. Leave various point of service free (wells, vent-holes etc).

Neglecting the washing will lead to several lter cleaning interventions and at worst cases can cause damages to the exchangers and the

other parts.

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