MTD 400 Manuel de service

INSTALLATION - OPERATING - SERVICE MANUALReverse-cycle air/water heat pumps withdomestic hot water production, axial-flowfans and water pump assembly.

10 AWR MTD - AWR MTD/B GB 01/2009PUMP CHARACTERISTICSThe curves shown above refer to the flow-rates and heads of the pumps only.To calculate the usef

11GB 01/2009 AWR MTD - AWR MTD/BDHW storage cylinder, 280 litres5911106781ADCB1 Manual fill and drain valve2 Adjustable thermostat3 Probe socket4 Th

12 AWR MTD - AWR MTD/B GB 01/2009OPERATING DIAGRAMS, AWR MTD I A54623231112978M10F113M 1421213323M 5461114978M10115M 16The heat pump is connected dir

13GB 01/2009 AWR MTD - AWR MTD/BOPERATING DIAGRAMS, AWR MTD I A3 35461112978M10F113M 14123 313546111514978M10F116M 17The heat pump is connected direc

14 AWR MTD - AWR MTD/B GB 01/2009ELECTRICAL CONNECTIONSI AThe heat pumps must be installed downstream of a mainswitch (QF1, see wiring diagram), as r

15GB 01/2009 AWR MTD - AWR MTD/BMAINS POWER SUPPLY CONNECTIONSI A- Before connecting the unit to the power supply, makessure that switch QF1 is open,

16 AWR MTD - AWR MTD/B GB 01/2009KA2 KA5KA3 KA4ELECTRICAL PANEL LAYOUT AWR 0025-0041MTD-MTD/B SINGLE-PHASEELECTRICAL PANEL LAYOUT AWR MTD-MTD/BTHREE

17GB 01/2009 AWR MTD - AWR MTD/BAll the terminals referred to in the following explanations areto be found on the terminal board located inside the e

18 AWR MTD - AWR MTD/B GB 01/2009SA1RD1UPE N41 2 3 56789 101112131415161718192021222324SA2 F3GN1KM4BT4 A4YV2NLBlue BlackBrownY/G230 VAC 1A max+to

19GB 01/2009 AWR MTD - AWR MTD/BSINGLE-PHASE WIRING DIAGRAM AWR 0011 MTD A1 Radio interference suppresserA2 Fan control moduleA3 Electronic control

2AWR MTD - AWR MTD/B GB 01/2009INDEXU I AUser Installer AssistanceImportantProhibitionDanger voltageDanger high temperaturesThe manufacturer reserves

20AWR MTD - AWR MTD/B GB 01/2009SINGLE-PHASE WIRING DIAGRAM AWR 0011 MTD/B (without built-in electric heaters)A1 Radio interference suppresserA2 Fa

21GB 01/2009 AWR MTD - AWR MTD/BSINGLE-PHASE WIRING DIAGRAM AWR 0025 - 0041 MTD A1 Radio interference suppresserA2 Fan control moduleA3 Electronic

22 AWR MTD - AWR MTD/B GB 01/2009SINGLE-PHASE WIRING DIAGRAM AWR 0025 - 0041 MTD/B (without built-in electric heaters)A1 Radio interference suppress

23GB 01/2009 AWR MTD - AWR MTD/BTHREE-PHASE WIRING DIAGRAM AWR 0031 - 0061 MTD A1 Radio interference suppresserA2 Fan control moduleA3 Electronic c

24 AWR MTD - AWR MTD/B GB 01/2009THREE-PHASE WIRING DIAGRAM AWR 0031 - 0061 MTD/B (without built-in electric heaters)A1 Radio interference suppresse

OPERATING CHARACTERISTICSI ATemperature controlControl is performed based on the system water return tem-perature.The set points refer to the water re

26 AWR MTD - AWR MTD/B GB 01/2009The defrost cycle is started if the evaporation pressure fallsbelow the effective start defrost set point, a value t

Boiler replacing the heat pumpThis configuration manages a boiler rather than the heat pump, for water temperatures above the limits of the unit.The b

28 AWR MTD - AWR MTD/B GB 01/2009Outlet water temperature (°C)Outside air temperature (°C)-15-20 -5 7 45504055HeatersonlyHeat pumpONONOFFOFFSpw -6°CS

SYSTEM WATER SET POINT COMPENSATION BASED ON THE OUTSIDE TEMPERATUREThe unit is fitted with an outside air temperature sensor that is used to optimise

3GB 01/2009 AWR MTD - AWR MTD/BINDEXU I AGENERAL WARNINGS U I AFUNDAMENTAL SAFETY RULESU I AThese appliances have been designed to chill and/orheat w

30AWR MTD - AWR MTD/B GB 01/2009TIME BANDSThe HSW11 controller can manage the unit based o the time and the day of the week.The controller features f

31GB 01/2009 AWR MTD - AWR MTD/BData measured in the following conditions:(1) Heat pump operation: Outside air temperature 7°C DB- 6°C WB, water inle

32 AWR MTD - AWR MTD/B GB 01/2009Water temperature head min/max= 3/8 °CWater circuit pressure min/max = 1/3 barMaximum glycol percentage = 40%OPERATI

33GB 01/2009 AWR MTD - AWR MTD/BCHECKING AND STARTING UP THE UNITAPREPARING FOR FIRST START UPThe unit must be started up for the first time by the T

34AWR MTD - AWR MTD/B GB 01/2009set esc Button Description Press onceAssociatedPress and hold Menu / Notes[press and release] function [press for abo

35GB 01/2009 AWR MTD - AWR MTD/Bset esc LEDS AND DISPLAYAAlarmHeatingCoolingStandbyDefrost1 STATUS AND OPERATING MODE LEDSCompressor1st auxiliary hea

36 AWR MTD - AWR MTD/B GB 01/2009To set the clock of the unit, starting from the main display,press the set button.Pressing the set button once displ

37GB 01/2009 AWR MTD - AWR MTD/B... press the set button.To exit the clock setting menu press the esc button untilreturning to the main display.

38 AWR MTD - AWR MTD/B GB 01/2009For example, to switch operation from StbY to COOL.To change the operating mode, press and hold the modebutton for a

39GB 01/2009 AWR MTD - AWR MTD/BTo change the set point, starting from the main display,press the set button.Pressing the set button once displays th

When the items are consigned by the carrier, check thatthe packaging and the unit are undamaged. If damage or missing components are noted, indicate t

40 AWR MTD - AWR MTD/B GB 01/2009Once having reached the desired set point, press the setbutton. In this way, the instrument will save the value 12.5

41GB 01/2009 AWR MTD - AWR MTD/BFrom the main display, press the set button.DISPLAYING INSTALLER PARAMETERS Example of displaying the analogue inputs

42 AWR MTD - AWR MTD/B GB 01/2009DISPLAYING AUTHORISED TECHNICIAN PARAMETERSAccessing the PASS directory (from the main display, pressing the esc and

43GB 01/2009 AWR MTD - AWR MTD/BFor parameter CF00, the value displayed will be 2.To change the value of the parameter, press the up or downbutton.Wh

44 AWR MTD - AWR MTD/B GB 01/2009The errors will be displayed by alternating the error mes-sage... ... with the main display.The ALARM LED is on stea

45GB 01/2009 AWR MTD - AWR MTD/BFrom the main display, press the set buttonThe display will show label Ai. Scroll the other labels usingthe UP and DO

46 AWR MTD - AWR MTD/B GB 01/2009To access directory FnC from the main display, press escand set together. [esc+set].the first directory displayed is

47GB 01/2009 AWR MTD - AWR MTD/BLIST OF ACCESSIBLE PARAMETERSDirectory label Meaning of the code (label) Parameters Parameters for:CL ConFig

48 AWR MTD - AWR MTD/B GB 01/2009FAULT CAUSE SOLUTIONValues display indicationEr35High water outlet temperatureAlarm with automatic resetCheck water

49GB 01/2009 AWR MTD - AWR MTD/BROUTINE MAINTENANCEASPECIAL MAINTENANCE ANever perform any cleaning operations before havingdisconnected the unit fro

5GB 01/2009 AWR MTD - AWR MTD/BDESCRIPTION OF STANDARD UNIT I AThese air cooled reverse-cycle chillers with axial-flow fansoperate with R410A refrige

50 AWR MTD - AWR MTD/B GB 01/2009TROUBLESHOOTINGAINo voltageSupply voltage too lowSwitch QF1 in OFF positionRemote switch (if featured) in OFF positi

51GB 01/2009 AWR MTD - AWR MTD/BLow suction pressure(less than 3.2 bars)*Low utility water inlet temperatureLow outside water inlet temperatureThermo

Climaveneta S.p.a. Via Sarson 57/c 36061 Bassano del Grappa (VI) Italy Tel. +39 0424 509 500 Fax +39 0424 509 509 [email protected] www.climaveneta

U I A6 AWR MTD - AWR MTD/B GB 01/2009DIMENSIONAL DRAWINGSI600W1W2W4W3900DBC=EA=400Dimensions 0011 0025 0031 0041 0051 0061A mm 900 900 900 900 900 90

7GB 01/2009 AWR MTD - AWR MTD/BWATER CONNECTIONSI AThe choice and installation of components is the responsibil-ity of the installer who should follo

8AWR MTD - AWR MTD/B GB 01/20090025-006110085DBSYSTEM FILL G1/2WATER OUTLETA=C524559UNIT VENTSAFETY VALVE DISCHARGEWATER INLET0011DA 100328BWATER INL

9GB 01/2009 AWR MTD - AWR MTD/BWATER CIRCUIT DATAI AWater content in the systemSize 0011 0025 0031 0041 0031 0041 0051 0061Minimum water content l 2