AERMEC ANZ 020 Manual de usuario

TECHNICAL MANUAL

Air-cooled heat pumps with high-efficiency scroll

compressor

ISO 9001 - Cert. n° 0128/4

IANZTV. 0709 - 6755120_03

407C

anz

ENGLISH

MANUAL TÉCNICO

Bombas de calor condensadas por aire con compresor

scroll de alta eficacia

Español

 General Information

 Description of the machine

 Versions available

 Description of components

 Accessories

 Technical data

 Operating limits

 Selection criteria

 Correction factors

 Cooling capacity and intake power, versions H

 Ethylene glycol solution

 Sound data

This manual contains:

TABLE OF CONTENTS

Dear Customer,

Thank you for choosing AERMEC. It is the fruit of many years of experience and special design studies and it has been made

of the highest grade materials and with cutting edge technology.

In addition, all our products bear the CE mark indicating that they meet the requirements of the European Machine

Directive regarding safety. The standard of quality is permanently being monitored and AERMEC products are therefore a

synonym for Safety, Quality and Reliability.

If you do not know where our nearest After-Sales Service Centre is, you can get this from the dealership where the device

was purchased.

The data might undergo modifications considered necessary for the improvement of the product.

Thank you again.

AERMEC S.p.A

ENGLISH

General standards 5

Description and choice of unit 6

Configurator 7

Component description 8

ELECTRONIC REGULATION 9

Accessories 10

Technical data 11

Selection criteria 15

Cooling capacity and input power 16

Heating capacity and Input power 17

Ethylene glycol solution 18

Correction factors for ∆t different from the rated value 20

Sound data 20

Check parameter calibrations 20

Size data 21

ANZ

model:

serial number:

AERMEC S.p.A.

I-37040 Bevilacqua (VR) Italia – Via Roma, 44

Tel. (+39) 0442 633111

Telefax 0442 93730 – (+39) 0442 93566

www.aermec.com - [email protected]

Bevilacqua, 02/01/2006 La Direzione Marketing – Marketing Director

Luigi ZUCCHI

DECLARATION OF CONFORMITY

We declare under our own responsability that the above equipment

described as follows:

AIR TO WATER CHILLER AND HEAT PUMP ANZ serie

complies with following provisions:

1. 97/23/CE Standard , since as per enclosure II, it has undergone the

conformity testing procedure (sizes: ANZ from 0207 to 0807):

A module

1. 97/23/CE Standard , since as per enclosure II, it has undergone the

conformity testing procedure (sizes: ANZ from 0907 to 2007):

A1 module

with checks carried out by the appointed body RW-TUV Kurfurstenstrasse

58, D-45138 ESSEN, identity code 0044;

2. designed, manufactured and commercialized in compliance with the

following technical specifications (all models):

Harmonized standards:

- EN 378: Refrigerating system and heat pumps - Safety and environmen-

tal requirements;

- EN 12735: Copper and copper alloys - Seamless, round copper tubes

for air conditioning and refrigeration;

Others:

- UNI 1285-68: calculation of metal tubes resistance to inside pressure;

3. designed, manufactured and commercialized in compliance with the

following EEC Standards (all models):

- Equipment standard 98/37/CE;

- Low voltage standard 73/23 CEE;

- Electromagnetic compatibility Standard EMC 89/336 EEC.

xxx

xxxx

General standards

• This manual and the

wiring diagrams supplied

with the unit must be kept

in a dry place for possible

future consultation and for

the entire life of the machine.

This manual has been drawn up

with the aim of supporting the

correct installation of the unit and

providing all the indications for the

correct use and maintenance of the

device. Before proceeding with

the installation, please read all the

information in the manual carefully

as well as the procedures necessary

for the correct installation and use of

the unit.

• Be careful to adhere to the

instructions in this manual and

observe the safety regulations

currently in place.

• The device must be installed in

compliance with the local legislation

currently in force in the country of

destination.

• Non-authorised tampering with

the equipment, whether electrical

or mechanical, will make THE

WARRANTY VOID and exclude any

liability on the part of the company.

• Check the electrical characteristics

shown on the registration plate

(ﬁg.01) before making the electrical

connections. Read the instructions in

the speciﬁc section about electrical

connections.

• If the unit needs to be repaired, in all

cases contact a specialised AERMEC

after sales centre and only use OEM

spare parts.

• The manufacturer furthermore

declines any liability for any injury to

persons or damage to things resulting

from the failure to comply with the

information in this manual.

• Permitted uses: this series of chillers

is suitable for producing warm/cold

water to use in hydronic systems

the purpose of which is heating/air

conditioning.

Any use other than that permitted

or outside the operating limits

mentioned in this manual is forbidden

if not previously agreed with the

company. The warranty does not

include payment for damage due to

wrong installation of the unit by the

installer.

• The warranty does not include

payment for damage due to the

improper use of the unit by the user.

• The manufacturer does not consider

itself liable for accidents to the user

or the installer due to the incorrect

installation or improper use of the

unit.

•The device must be installed in such

a way that maintenance and/or

repair operations can be carried out.

The warranty of the device does not

in any case cover costs incurred

as a result of motorised ladders,

scaffolding or any other lifting

systems made necessary to carry out

the operations under warranty.

The warranty is not valid when:

• the services and the repairs have

been carried out by non-authorised

personnel or companies;

• the unit has been repaired or

modiﬁed in the past with non OEM

spare parts;

• the unit has not been adequately

maintained;

• if the instructions described in this

manual have not been followed;

• if non-authorised modiﬁcations have

been made.

N.B.:

The Manufacturer reserves the right at

all times to make any modiﬁcation for

the improvement of its product and is

not obliged to add these modiﬁcation

to machines of previous manufacture

that have already been delivered or are

being built.

The warranty conditions are any

subject to the general sales conditions

at the moment the contract is ﬁnalised.

fig.01

Description and choice of the unit

The ANZ series air-cooled heat pumps

have been designed and built to meet

the cooling and heating requirements of

medium and small users in residential

or commercial buildings, the machines

are optimised precisely for heat pump

operation thanks to the use of a special

high-efﬁciency scroll compressor and

operation with outside air temperature

down to -15 °C.

Use the chiller circuit to switch from

summer to winter use. Available in

ten sizes, the units are distinguished

by extremely quiet functioning and

by a high level of efﬁciency and

reliability thanks to the adoption of heat

exchangers with larger exchange surface

and high performance, low noise scroll

compressors. Different versions are

available so that a great many different

systems solutions can be catered for.

The electrical heating elements in the

compressor are standard for the models.

The ANZ heat pumps can also be used in

mixed fan-coil / radiator panel systems

because of their special regulation

control unit for the control of the radiator

panels. An incorporated heating element

is also available that makes it possible to

compensate for the fall off in performance

in heat pump operation with low outside

temperatures, while avoiding the over

dimensioning of the machine.

VERSIONS AVAILABLE

ANZ-series chillers are available in ten

sizes. When the numerous options are

combined, it is possible to conﬁgure

each model in the ANZ series in such a

way as to meet the most speciﬁc of plant

requirements. The following chart shows

how the commercial letters and numbers

are compiled in its twelve ﬁelds only

the versions representing the options

available are described below:

Configurator

ANZ 041 7 H ° ° ° °

1, 2, 3 4, 5, 6 7 8 9 10 11 12

Sizes

020 - 025 - 030 - 041 - 050 - 080 - 090 - 100 - 150 - 200

Refrigerant :

7R407C minimum water temperature produced at +4 °C

Model

HHeat pump

Version

°Standard

AWith accumulation and pump

K With accumulation, p u m p a n d e l e c t r i c h e a t e r

(incorporated for the sizes from the 050 to the 200 and

available as accessory, to be fitted externally, for the sizes

from 020 to 041) and basic control.

J With accumulation, pump, electric heater element

(incorporated for sizes from the 050 to the 200 and

available as an accessory to be fitted externally for the 020

to the 041) and advanced control by which a three-way

valve (not supplied) can be managed.

Coil

°- aluminium

R- copper

S- tinned copper

VMade of aluminium with epoxy paint

Evaporator

°- According to PED standards

Power supply

°3~400V-50Hz

M1- 230V-50Hz (only for sizes from the 020 to the 041)

ATTENZION: K and J versions are prearranged for an additional heater, that does not replace the anti freege heater

(supplied as RA, KR accessory).

Description of components

10 11

314

Chiller circuit

Compressors

High-efﬁciency, scroll-type compressors

ﬁtted on shock absorbers operated by

a two-pole electric motor with internal

thermal protection; these compressors

have been especially made for the

heat pumps and for hot operation they

guarantee high efﬁciency with external

air temperatures down to -15 °C.

Air side heat exchanger

Made with copper pipes and aluminium

ﬁns locked into place through

mechanical expansion of the pipes.

the heat exchange coils have a built in

protection grille.

Water side heat exchanger

of the plate type, it is insulated externally

with closed cell material to reduce

thermal dispersions. In versions with

accumulation (A, K, J) of models 020 -

025 - 030 - 040 it is positioned inside the

water accumulation tank.

Filter

A mechanical type made of ceramic and

hygroscopic material capable of trapping

impurities and any traces of humidity in

the refrigeration circuit.

• Frame and fans

Covering furniture

Made of hot galvanised steel sheet of

an adequate thickness, it is painted

with polyester powders after passivation

treatment, it is able to resist atmospheric

agents over time.

Fan unit

Screw type, statically and dynamically

balanced. The electric fans are protected

electrically with magnetothermal

switches and mechanically with anti-

intrusion metal grilles in accordance

with the CEI EN 60335-2-40 standard.

Electrical components

Electrical panel

Contains the power section and the

management of the controls and safety

devices. This conforms with standard

CEI 60204-1, and electromagnetic

compatibility directives EMC 89/336/EEC

and 92/31/EEC.

Electronic card

Consisting of control, checking and

display card, it allows the unit to be fully

checked.

Electronic regulation

The electronic adjustment on ANZ

consists of a control card with display.

For the J versions there is an additional

regulator that can control the three-way

valve.

Hydraulic components

Expansion tank

Membrane tank with preloaded

nitrogen.

Water accumulation tank

Serves to lower the number of

compressor peaks and standardise the

temperature of the water to send to the

users.

Accumulation

It allows water to be circulated in the

user circuit.

Key::

1 Electric panel

2 Air side heat exchanger

3 Fan unit

4 Water side heat exchanger

5 High pressure switch

6 Compressor

7 Expansion tank

8 Accumulation tank

9 Pump

10 Low pressure switch

11 Thermostatic valve

12 Water filter

13 Safety valve

14 Differential pressure switch

Safety and checking

components

High pressure switch

Placed on the high pressure side of

the refrigeration circuit, it shuts down

compressor operation in the case of

abnormal operating pressure.

Low pressure switch

Placed on the low pressure side of

the refrigeration circuit, it shuts down

compressor operation in the case of

abnormal operating pressure.

Water safety valves (only versions

with accumulation)

Placed on the water circuit delivery branch,

it cuts in when the operating pressure is

too high..

High-temperature thermostat

With fixed calibration, placed on the high

pressure side of the refrigeration circuit, it

shuts down compressor operation in the

case of abnormal operating temperature..

For models 090 - 100 - 150 - 200,

the thermostat is incorporated in the

compressor cut-out.

Differential pressure switch/ flow

switch

Supplied as standard on all sizes, it is

fitted between the inlet and outlet of the

exchanger and, if the water flow rate is

too low, it stops the compressor (whether

in heating or cooling mode). Models

020 - 025 - 030 - 041 are fitted with a

flow switch positioned up line from the

evaporator.

- thermomagnetic compressor protection;

- thermomagnetic fan protection;

- thermomagnetic auxiliary protection;

fan power remote switch,

Microprocessor

Evaporator inlet water temperature adjustment G

Compressor start delay G

Summer or winter functioning in the heat pump G

with defrosting control

Low temperature device management (Accessory) G

Compressor operation hour counter G

Pump operation hour counter G

Start Stop G

- Reset G

Autostart after voltage drop G

Operation with possibility of remote control G

Programmable timer function G

Machine status display: G

- Compressor - ON/OFF

- summer operation

- winter operation

Alarm management: G

- high pressure

- differential pressure switch/ flow switch

- low pressure

- antifreeze

- compressor overload

Display of the following parameters: G

- water inlet temperature

- water outlet temperature

- coil probe temperature (if there is one)

Alarm display G

Set point: G

- hot setting

- cold setting

- cold differential

- hot differential

In addition, the card, on clamps 6-12 of M12, makes it possible to connect an external

alarm signal; this normally open contact is not live and can control a load of 250 V

- 1A.

DCPX - device for low temperatures.

With this accessory correct operation

is possible with outside temperatures

below 20 °C and down to – 10 °C. It

consists of an electronic regulation card

that varies in accordance with the fan

rpms on the basis of the condensation

pressure, read by the high pressure

transducer for the purpose of keeping it

sufficiently high to power the thermostat

valve correctly.

It can only be installed in the factory

for models with heat pumps.

PRD - smart remote panel:

It duplicates the functions of the control

panel on the machine but at a distance.

The maximum installation distance

allowed is 150 m with a six pole

cable (cooling-only version) or seven

pole cable (heat pump versions) plus

shielding, with minimum cross section

of 0.5 sq. mm.

PR1 - simplified remote control panel

It allows basic machine controls to be

performed (turning on and off, changing

function mode, signalling of alarms). The

maximum installation distance allowed is

30 m with a six pole cable (cooling-only

version) or seven pole cable (heat pump

versions) plus shielding, with minimum

cross section of 0.5 sq. mm.

BDX - condensate collection basin:

Condensate collection basin to be

applied to the external unit.

SDP - card for distance adaptation:

Needed to be able install the accessory

PR1 up to 150 m.

KR - Electrical heat exchanger element:

Electric heating element for plate type

exchangers. It prevents the freezing of

the water contained in the evaporator

during winter pauses.

(to be installed in the factory)

RA - Electrical accumulation heating

element :

Electrical accumulation heating element

(in the A versions). It prevents the

freezing of the water contained in the

accumulation during winter pauses.

VT - shock absorbers:

Set of four shock absorbers to fit under

the steel base in the points already

prepared.Their purpose is to dampen the

vibrations produced by the compressor

when it is in operation.

DRE - starting current reduction

device:

It permits the reduction of the starting

current needed by the machine in the

start up phase.

Can only be installed in the factory.

Accessory

PR1 - simplified remote control panel

x100h

SEL

Accessory compatibility table:

DCPX PRD PR1 SDP KR VT DRE (*) BDX RA

ANZ 020 DCPX39 

KR2 VT7 BDX5

ANZ 025 DCPX39 

KR2 VT7 BDX5

ANZ 030 DCPX39 

KR3 VT7 BDX5

ANZ 041 DCPX39 

KR3 VT7 BDX5

ANZ 050 DCPX39 

KR3 VT7 DRE5 BDX5

ANZ 080 DCPX39 

KR3 VT7 DRE5 BDX5

ANZ 090 DCPX39 

KR3 VT7 DRE5 BDX6

ANZ 100 DCPX40 

KR3 VT8 DRE10

ANZ 150 DCPX40 

KR3 VT8 DRE15

ANZ 200 DCPX40 

KR3 VT8 DRE15

Versioni ANZ con accumulo

ANZ 020A DCPX39  VT8 BDX5 

ANZ 025A DCPX39  VT8 BDX5 

ANZ 030A DCPX39  VT8 BDX5 

ANZ 041A DCPX39  VT8 BDX5 

ANZ 050A DCPX39 

KR3 VT8 DRE5 (**) 

ANZ 080A DCPX39 

KR3 VT8 DRE5 (**) 

ANZ 090A DCPX39 

KR3 VT8 DRE5 (**) 

ANZ 100A DCPX40 

KR3 VT9 DRE10 

ANZ 150A DCPX40 

KR3 VT9 DRE15 

ANZ 200A DCPX40 

KR3 VT9 DRE15 

(*) = Accessory that can only be installed in the factory

(**) = For models A USE BDX6; for models K or J use BDX7

Este manual sirve para los siguientes modelos

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