DeLonghi CLIMAVENETA HED HCAT 0011 SE Installation And Service Manual Download Page 14

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HED-HCAT SE FREE COOLING

ENGLISH

MULTIFILAR CIRCUIT

Filtr

o antidisturbo

Scheda elettr

onica comando v

entilator

conden-

sazione

Con

rtitor

e 48VDC/24VDC

Contr

ollor

e elettr

onico

Motor

e ser

randa

BP1

rasduttor

e di pr

essione contr

ollo condensazione

BT1

Sonda di temperatura aria ambiente

BT2

Sonda di temperatura aria esterna

BT3

Sonda di temperatura aria di mandata

Condensator

e mar

cia compr

essor

Condensator

e mar

cia v

entilator

condensazione

EV1

entilator

condensazione

EV2

entilator

aria interna

essotato di sicur

ezza bassa pr

essione

essotato di sicur

ezza alta pr

essione

essotato mancanza flusso

essotato filtri spor

chi

FU1

Fusibile di pr

otezione cir

cuito ausiliario

FU2

Fusibile di pr

otezione v

entilator

condensazione

KA2

Rele' di comando r

esistenza elettrica

KA3

Rele' pr

esenza tensione 230V

KM1

Contattor

e potenza comando compr

essor

QF1

Inter

ruttor

e magnetotermico di pr

otezione gruppo

QF2

Inter

ruttor

e magnetotermico di pr

otezione

48VDC

QM1

Inter

ruttor

e magnetotermico di pr

otezione com-

essor

QS1

Sezionator

e bloccopor

Resistenza elettrica

SA10

Uscita allarme alta temperatura

SA11

Uscita allarme bassa temperatura

SA3

Ingr

esso per allarme termostato ambiente

SA4

Ingr

esso per allarme esterno

SA5

Collegamento seriale unita' condizionamento

SA6

Uscita allarme flusso

SA7

Uscita allarme filtri spor

chi

SA8

Uscita allarme compr

essor

SA9

Uscita allarme fr

eecooling

Compr

essor

HED HCAT 0011-0021-0031

Summary of Contents for CLIMAVENETA HED HCAT 0011 SE

Page 1: ...Free Cooling direct expansion terminal units HED HCAT SE 0011 0021 0031 0041 0051 0056 0061 FREE COOLING Standard Silented version INSTALLATION AND SERVICE MANUAL...

Page 2: ...2...

Page 3: ...ct 14 Standard unit description HCAT 15 Dimensional drawings 16 Installation 17 Refrigerant pipe connection 17 Sizing of refrigerant pipes 19 Electrical connection 21 Operating limits 22 Checking and...

Page 4: ...gularly to guarantee cor rect air exchange During storms place the mains switch in the off position When operating equipment involving the use of electricity and refrigerant gas a number of fundamenta...

Page 5: ...rantee certificate CE declaration These are contained in a plastic bag attached to the top of the unit The unit should always be handled by qualified personnel using equipment adequate for the weight...

Page 6: ...lation Statically and dynamically balanced impellers High useful head ELECTRICAL SWITCHBOARD Power and control electrical switchboard constructed in accordance with IEC 204 1 EN60204 1 complete with r...

Page 7: ...COOLING ENGLISH I 957 275 45 217 30 245 305 331 311 100 82 247 27 930 923 3 5 3 5 688 34 208 2 200 250 500 500 194 68 70 700 40 1499 304 45 285 64 987 112 1077 1050 1030 10 10 858 156 36 2 362 100 11...

Page 8: ...dling the unit check the capacity of the lift equipment used respecting the instructions on the packag ing To move the unit in the horizontal make appropriate use of a lift truck or similar bearing in...

Page 9: ...ucked up if the water in the siphon evaporates 5 After connecting check correct drainage of the con densate by pouring water into the pan REFRIGERANT PIPES Sizing of the refrigerant pipes connecting t...

Page 10: ...ions for connecting phase neu tral and earth conductors The power line should be fitted upstream with a suitable device to protect against short circuits and leakage to earth isolating the installatio...

Page 11: ...45 0 9 1 0 Condenser air flow rate l s 700 700 1100 1360 1500 Condenser fan absorbed power kW 0 18 0 18 0 25 0 25 0 70 Heater power kW 1 50 1 50 3 6 3 6 Max external operating temperature C 48 48 48 4...

Page 12: ...onths and you are recommended to have a differential pressure switch installed to indicate when the filters are dirty Removing and cleaning filters 1 Remove the fixing screw then the door 2 Remove the...

Page 13: ...11 HED HCAT SE FREE COOLING ENGLISH ELECTRICAL PANEL LAYOUT I A...

Page 14: ...usso F4 Pressotato filtri sporchi FU1 Fusibile di protezione circuito ausiliario FU2 Fusibile di protezione ventilatore condensazione KA2 Rele di comando resistenza elettrica KA3 Rele presenza tension...

Page 15: ...essotato filtri sporchi FU1 Fusibile di protezione circuito ausiliario FU2 Fusibile di protezione ventilatore condensazione KA2 Rele di comando resistenza elettrica KA3 Rele presenza tensione 230VAC K...

Page 16: ...ed to the top of the unit The unit should always be handled by qualified personnel using equipment adequate for the weight of the condenser unit If a forklift truck is used insert the forks under the...

Page 17: ...Six pole electric motor with built in thermal cut out Housed in aerodynamic draught tubes with accident pre vention grill Device for operation according to outsi de air temperatures continuous regula...

Page 18: ...0056 0061 A 900 900 900 B 740 990 1250 C 370 370 420 D 430 430 480 E 91 5 91 5 91 5 F 102 102 102 G 202 202 202 H 400 400 450 I 580 580 580 O Funtional distance L 900 900 900 M 150 150 200 N 600 600 6...

Page 19: ...nts If the site is exposed to strong winds fix the unit adequately using tie rods if neces sary You are advised to avoid Installing the unit in pits and or air vents obstacles or barriers which could...

Page 20: ...ted to avoid fluid returning towards the compressor see Fig 1 3 If the external unit is higher than the internal unit by less than 6m it is sufficient to fit an air trap before the internal unit see F...

Page 21: ...ing two spanners as shown in the figure below LIQUID PIPING Flared couplings are used for all models To connect proceed as follows 1 Prepare the end of the pipe creating the correctly shaped flare 2 C...

Page 22: ...ernal unit are completely closed 2 Connect the pressure gauge to the service outlet of the two external unit valves 3 Fill with freon R407C gas at a pressure of 250 kPa 4 Connect the nitrogen cylinder...

Page 23: ...ted All electrical connections must be carried out by qualified personnel in accordance with legislation in force in the country concerned Respect instructions for connecting phase neu tral and earth...

Page 24: ...rance of 10 of the rated vol tage for the unit The unit is correctly earthed All electrical connections are tight and all refrigerant connections have been carried out correctly Before starting up pow...

Page 25: ...nd fasten the screws Place the switch main QS of the appliance in the ON po sition Replace the inspection panel Place the main switch of the unit QF outside of the unit in the ON position ACTIVATING A...

Page 26: ...m operating temperature signal ON OFF re gulation for connection of heating element of single air conditioner ON OFF re gulation for connection of compres sor of single air conditio ner ON OFF Room te...

Page 27: ...utton to display a description of the cause of the alarm and the date and time it occur red The controller stores the last 100 alarms The indicated alarms are Maximum temperature Maximum temperature p...

Page 28: ...FACTURER Display page with the software version date and language Shelter De Longhi Ver _ _ _ _ _ _ Language English Display page with the bios Boot Manual and software ver sion Bios _ _ _ _ _ _ _ _ _...

Page 29: ...display page A8 can be used to calibrate the pressure sensor Factory value 0 Sensor offset Humidity _ _ _ Transducer _ _ _ bar Pressure2 _ _ _ bar The display page A9 can be used to calibrate the sen...

Page 30: ...required combination with the scrolling selectors and confirm with the enter key Factory value 1234 Range 0 9999 New password maintenance 0123 Click on the Esc key to return to the main display page T...

Page 31: ...e digital inputs 9 10 The display page I7 shows the status of the digital input 12 Digit inputs 9 10 C2 low press 0 Alarm C2 0 Heat el TCO2 0 Digit input 12 Aux alarm 0 The display page I8 shows the v...

Page 32: ...disable the damperYes No Offset S2 Freecooling C Freec enable Yes No The display page S1 is used to change the temperature set point and humidity Temperature C Humidity Select the password with the sc...

Page 33: ...the air delivery for the limitation Range 999 9 999 9 Unit of measurement C Temp supply air Sensor enable Yes no Setpoint _ _ _ C Differenz _ _ _ C Sel alarm type S ser 1 2 Light1 2 A01 11111 A06 111...

Page 34: ...EXV Driver Timing Initialization The mask CO can be used to change a Enabling of the BMS Range N Y b Enabling of the printer Range N Y c Unit of measurement of the sensors and the temperature paramete...

Page 35: ...y fan Factory valueYes RangeYes No Enable modulation Delivery fan Yes The display page C7 is used to configure the analog input 1 Factory value circuit 1 press Range Press Temp Configuration Analog in...

Page 36: ...ressure sensor 2 for pC02medium only Factory valueY RangeY N b set the value of the pressure sensor 2 signal for pC02medium only Factory value Current Range 0 1 0 10V Current c change the minimum and...

Page 37: ...odulating fan speed up time Range 0 99 Unit of measurement Seconds Condensation G6 Setpoint _ _ _ bar Different _ _ _ bar Speedup time _ _ _ sec The mask Ga is used to a enable the high pressure alarm...

Page 38: ...ange 0 999 Unit of measurement seconds b the Minor alarm 1 relay 5 trip delay Factory value 0 Range 0 999 Unit of measurement seconds b the Minor alarm 2 relay 6 trip delay Factory value 0 Range 0 999...

Page 39: ...s Switch off unit to confirm The display pageV0 is used to reinstall default parameters Range 0 9999 Insert Password V0 To install default param value 0000 The display pageV0 is used to set the passwo...

Page 40: ...posi tion of a bank of dip switches located on the pCO2 top left THE BOARDS MUST NOT BE POWERED The addresses to be set on the two pLAN machines are given below MASTER means the main control unit whil...

Page 41: ...the enclosed display page Unit configuration U4 not present U5 not present U6 not present The mask Ch which only activates for pLAN configuration is used to define the class of participation in pLAN...

Page 42: ...ode is used to define a the low ambient temperature differential for forcing network units Factory value 8 0 C Range 0 0 99 9 C b the low ambient temperature offset for forcing network units Factory v...

Page 43: ...w Check Incorrect water temperature Check Contact between metal parts Tighten the screws Loose screws Bleed Presence of air Check fan motor Faulty fan Check room control Room control regulation Check...

Page 44: ...42 HED HCAT SE FREE COOLING ENGLISH...

Page 45: ......

Page 46: ...Via L Seitz 47 310100 Treviso Italia Tel 0422 4131 Telefax 0422 413659 www delonghi com GRUPPO...

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