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INSTALLATION - OPERATING - SERVICE MANUAL

Reverse-cycle air/water heat pumps with
domestic hot water production, axial-flow
fans and water pump assembly.

EN

AWR-MTD2-XE
0011÷0091

Summary of Contents for AWR-MTD2-XE

Page 1: ...INSTALLATION OPERATING SERVICE MANUAL Reverse cycle air water heat pumps with domestic hot water production axial flow fans and water pump assembly EN AWR MTD2 XE 0011 0091...

Page 2: ...n 7 Water connections 8 Electrical connections 11 Installer connections 12 Mains power supply connections 15 Installer connections 14 General technical data 32 Operating limits 33 Pump curve 34 Checki...

Page 3: ...hori sation and instructions from the manufacturer Do not pull detach or twist the electrical cables coming from the unit even when disconnected from the mains electricity supply Do not open doors or...

Page 4: ...ngs as shown in the figure to ensure the weight is balanced REMOVING THE PACKAGING The packaging must be removed by the operator using suit able protective equipment gloves glasses etc Take special ca...

Page 5: ...he product identification data RATING PLATE Describes the unit technical and performance specifications Shows the serial number used to uniquely identify the unit The serial number is also used to ide...

Page 6: ...nections VERSIONS AVAILABLE AWR MTD2 XE Reverse cycle air water heat pump with domestic hot water production Built in water pump assem bly without electric heaters 11 10 15 13 4 20 14 6 8 5 12 3 19 18...

Page 7: ...r ations If installing multiple units the clearances must be doubled POSITIONING Install the vibration damping feet accessories Check the unit supports and weights before positioning Make sure that th...

Page 8: ...stic hot water circuit 7 All the pipes must be insulated with suitable material to prevent the formation of condensate and heat loss The insulating material must be a vapour barrier Make sure that the...

Page 9: ...ifreeze used must be corrosion inhibited and com patible with the water circuit components Ethylene glycol solutions Water and ethylene glycol solutions used as a heat carrier in the place of water re...

Page 10: ...t connect to the sewage system as odours may be sucked up if the water in the drain trap evaporates After connecting check correct drainage of the conden sate by pouring water into the pan If necessar...

Page 11: ...must not exceed 3 If these parameters are not respected contact the elec tricity supply company For electrical connections use double insulation cable in conformity with legislation in force in the co...

Page 12: ...9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 2728 29 30 31 32 33 34 35 36 37 38 39 40 41 42 4344 45 46 47 48 49 50 51 52 53 54 55 C90051683E_00 A4 A2 FU3 C1 A1 C2 C3 A3 QS1 QM1 KA1 KA1 KA6 KA7...

Page 13: ...in this manual Make the connections as shown in the wiring diagram pro vided in this manual The figures show the power supply connection terminals for 230V and 400V Replace the covers on the electric...

Page 14: ...er wall facing north north west at a minimum height of 2 5 metres above the ground or at most half way up the house H H 2 1 N N W m 5 2 n i m Mounting method Open the cover of the sensor Attach a prob...

Page 15: ...ts base it discon nects from the power supply and consequently is no longer operating min 10 cm Installation procedure Assembly Separate the front from the rear of the terminal using a screwdriver r 1...

Page 16: ...ure drop below 20 kPa For further details see the chapter Operating characteris tics If three way valves with a travel time greater than 10 sec onds are used modify the setting of parameter 0231 Close...

Page 17: ...heater control A REPLACEMENT The electric heater is enabled when the outside temperature is less than the value of parameter 0304 and the compressor is off figure 3 To enable heater activation in REPL...

Page 18: ...ectrical Heater enabled Type of outlet electric heater oper ation 0 Supplementary 1 Replacement Enable boiler 0 Boiler not enabled 1 Boiler enabled Activation with low outside air temperature 0 Functi...

Page 19: ...ir temperature is less than the value of parameter 0307 figure 3 To enable the supplementary heating for outside air temper ature set parameter 0306 1 and 010H 0 Boiler operation reflects the trend in...

Page 20: ...needed Integration time to activate boiler Menu Mn03 Mn03 Mn01 Mn03 Mn03 Mn03 Mn06 Mn06 Parameter no 0300 0301 010H 0306 0307 0311 0618 0619 Value to be set 0 1 0 0 Example 5 C 15 60 600 UOM C C min...

Page 21: ...0 0 Example 1 0 0 0 0 02 1 20 UOM C h min KM4 DHW storage electric heater An electric heater can be managed for heating the DHW storage DHW storage electric heater control The electric heater is acti...

Page 22: ...on by set ting parameter 015A Description Enable the contact as 0 Alarm signal 1 Dehumidifier 3 Secondary circuit pump Menu Mn01 Parameter no 015A Value to be set 0 UOM Description Enable the contact...

Page 23: ...perating mode can be managed from a remote control unit If remote cooling heating changeover is enabled the operat ing mode cannot be changed on the keypad Set the following parameters Contact closed...

Page 24: ...figure the contact selecting the desired function by set ting parameter 015D Description Enable the contact as 0 Reduced electricity rate 1 Stop operation due to excess power consumption Menu Mn01 Par...

Page 25: ...switch System flow switch connection compulsory component F3 39 40 BT8 Domestic hot water storage temperature probe The domestic hot water temperature inside the storage tank is measured using probe...

Page 26: ...ller A4 Fan control module A7 Electric heater actuator C1 Compressor start capacitor C2 3 Fan start capacitor FU1 System water pump protection fuse FU3 Fan protection fuse FU5 Auxiliary circuit protec...

Page 27: ...an control module A7 Electric heater actuator C2 3 Fan start capacitor FU1 System water pump protection fuse FU3 Fan protection fuse FU5 Auxiliary circuit protection fuse FU6 Controller protection fus...

Page 28: ...Fan control module A7 Electric heater actuator C2 3 4 Fan start capacitor FU1 System water pump protection fuse FU3 Fan protection fuse FU5 Auxiliary circuit protection fuse FU6 Controller protection...

Page 29: ...1N C1 1 M S R C Z1 L1 N S RC R ON KA1 A2 GY BU BN BN BN GY BU RD BU BU BK BK 2 1 3 QM1 KA1 0 3 TC1 80 80 80 80 81 81 81 81 82 82 82 82 83 83 83 83 84 84 84 84 85 85 85 85 86 86 86 86 47 48 49 50 51 5...

Page 30: ...69 230VAC 24VAC 8 0 68 69 RX TX RX TX GND Vout BT12 GND 24V 54 55 68 69 43 43 43 69 68 69 68 69 68 13 8 12 40 38 4 5 70 8 8 8 TC1 45 46 47 48 49 50 51 52 53 80 80 80 80 81 81 81 81 82 82 82 82 83 83 8...

Page 31: ...68 69 GND 24V 54 55 68 69 43 43 43 69 68 69 68 69 68 13 8 12 40 38 4 5 8 8 8 TC1 45 46 47 48 49 50 51 52 53 80 80 80 80 81 81 81 81 82 82 82 82 83 83 83 83 84 84 84 84 85 85 85 85 86 86 86 86 4 4 5 74...

Page 32: ...flow 1 m3 h 1 1 1 3 1 9 2 4 1 9 2 4 2 8 3 1 4 3 Useful pressure head 1 kPa 50 45 87 67 87 67 53 54 104 Cooling capacity 4 kW 7 2 8 3 12 3 15 7 11 7 15 8 17 7 20 2 29 2 Power input 2 kW 1 9 2 2 3 3 4 1...

Page 33: ...25 30 35 40 45 50 25 30 35 40 45 50 55 60 Water temperature head min max 3 8 C Water circuit pressure min max 1 3 bar Maximum glycol percentage 40 HEATING U I A OPERATING LIMITS I A Outside air tempe...

Page 34: ...r flow rate m3 h AWR MTD2 XE 11 ms 0 10 20 30 40 50 60 70 80 0 0 5 1 1 5 2 2 5 Curve 4 Curve 3 Curve 2 Curve 1 Useful pressure head kPa Water flow rate m3 h AWR MTD2 XE 25 ms 0 20 40 60 80 100 120 0 1...

Page 35: ...0 120 0 1 2 3 4 Curve 4 Curve 3 Curve 2 Curve 1 Useful pressure head kPa Water flow rate m3 h AWR MTD2 XE 51 t 0 20 40 60 80 100 120 0 1 2 3 4 5 Curve 4 Curve 3 Curve 2 Curve 1 Useful pressure head kP...

Page 36: ...rances have been respected Water connections have been carried out as indicated in the instruction manual All water connections are tight Make sure the water circuit has been washed and drained The wa...

Page 37: ...pump the user must config ure the type of system See the chapter System configuration check the applica tion diagrams that the control unit is able to manage Set the current date and time on the A5 r...

Page 38: ...e 2 Main field 3 Temperature unit of measure 4 Set point 5 Relative humidity 6 Time band 7 Day of the week 8 Actuator operating 9 Secondary field 10 Active time band Function Heating Cooling automatic...

Page 39: ...owing information Additional information displayed During operation of the unit pressing the knob displays the information described below Press the knob Room temperature set point Press the knob Humi...

Page 40: ...conds Press the knob The hours flash Turn the knob to select the hour value Press the knob to confirm The minutes flash Turn the knob to select the minutes value Press the knob to confirm The day flas...

Page 41: ...ATIC mode changeover selected Press the mode button COOLING mode selected Press the mode button HEATING mode selected Selecting the room temperature set point Turn the knob The room temperature set po...

Page 42: ...tic hot water set point The domestic hot water temperature is measured by the probe installed inside the DHW storage tank x3 sec Press thei buttons together for 3 seconds Turn the knob and select the...

Page 43: ...43 EN 11 2010 AWR MTD2 XE Press the button twice until reaching the main display Main display 10 11 OPERATION AND FUNCTIONS OF THE ROOM CONTROLLER A...

Page 44: ...knob B Press the knob to confirm Time band 1 Press the knob to confirm Time band 1 start hours A Turn the knob B Press the knob to confirm the hour value Time band 1 start minutes A Turn the knob B Pr...

Page 45: ...rogramming mode Time band program example Below is an example of a time band program with two temperature levels Comfort 20 C Economy 18 C and OFF Time band 1 Time band 2 Time band 3 Time band 4 Time...

Page 46: ...ds Unit OFF ZONE OFF x3 sec 1 2 3 Switching OFF The button disables operation of the pump or the zone valve controlled by the room controller the heat pump is deactivated using the button as shown in...

Page 47: ...to confirm Press the button twice until reaching the main display Main display 7 8 9 4 5 6 10 11 OPERATION AND FUNCTIONS OF THE ROOM CONTROLLER A A B Press the knob to confirm A Turn the knob to selec...

Page 48: ...compensation The water temperature set point in heating or cooling is cal culated based on the outside temperature trend according to settable curves Water set point compensation diagram in HEATING T...

Page 49: ...gured with mixed zones the limits for the SYSTEM curve and ZONE curve must be selected B Room temperature influence in HEATING The compensation curve determines the heating water tem perature this may...

Page 50: ...0 Disabled 1 Enabled Room relative humidity value to start increasing water outlet temperature set point ZONE LT2 Maximum outlet temperature hys teresis corresponding to 100 rela tive humidity Menu M...

Page 51: ...o 0106 0107 0108 0109 Default 16 2 24 2 UOM C C C C 0106 16 C 0106 0107 18 C Heating ON OFF Cooling 0108 0109 24 C Outside temp 0108 26 C A System pump operation When reaching the system water set poi...

Page 52: ...tion temperature set point can only be modified by an authorised service centre and only after verifying that the water circuit contains antifreeze Tripping of this alarm shuts down the compressor but...

Page 53: ...il parametro 0101 La tabella seguente riporta gli impianti configurabili Configuration 0 does NOT require additional expansion modules Configurations from 1 to 3 require 1 additional N EM1 expansion...

Page 54: ...KEY TO THE SYMBOLS DRAIN VALVE CALIBRATING VALVE HEAT PUMP OUTLET HEAT PUMP RETURN DOMESTIC HOT WATER DOMESTIC COLD WATER ELECTRICAL CONNECTIONS INDICATES ACCESSORIES INSTALL A STORAGE TANK ON THE HEA...

Page 55: ...rity Mn01 0164 30 MINIMUM return set point limit for SYSTEM curve Mn01 0165 30 C MAXIMUM return set point limit for SYSTEM curve Mn01 0166 48 C SYSTEM compensation curves in cooling mode Enable SYSTEM...

Page 56: ...MOVABLE METAL MESH FILTER 1 1 4 1 1 2 OR 2 1 1 4 THREE WAY SELECTOR VALVE FOR DHW PRODUCTION DHW STORAGE TANK MODEL HWC 300 OR HWC 500 ELECTRIC HEATER KIT 1 2 3 kW STORAGE TANK FOR HEATED AND CHILLED...

Page 57: ...ow Green Ausiliary contact Marrone Nero Blu INSTALLER TERMINAL BLOCK CONTACTS USED OUTSIDE INSIDE OUTSIDE AIR PROBE TERMINAL BLOCK ELECTRIC HEATER PANEL TERMINAL BLOCK ELECTRIC HEATER TERMINAL BLOCK P...

Page 58: ...return set point limit for SYSTEM curve Mn01 0166 48 C SYSTEM compensation curves in cooling mode Enable SYSTEM compensation curve 0 Disabled 1 Enabled Mn01 0154 0 Maximum return temperature set point...

Page 59: ...larms Alarm log The alarm log can only be displayed using the service key pad Contact an authorised service centre The room controller can display the most recently activated alarm code from Mn11 para...

Page 60: ...51 A052 A053 A054 Legionella prevention alarm A055 Temperature probe N THC n 1 Check connections Probe faulty or disconnected A056 Address setting error on remote terminal supplied with the unit Check...

Page 61: ...off for 5 sec peak limiter faulty quick flashes for 10 sec line voltage out of range PEAK LIMITER ALARM SIGNALS A Alarm code Cause Solution A124 Humidity probe N THC n 1 Check connections Probe fault...

Page 62: ...compressor contactor Efficiency of the plate heat exchanger resistor Verification of operating pressure superheating and sub cooling Efficiency of the compressor heater Cleaning of the finned coil ev...

Page 63: ...rant gas cylinder or a filling cylinder to the low pressure line pressure gauge connection Charge the quantity of refrigerant indicated on the unit s rating plate Always check the superheating and sub...

Page 64: ...G Mn01 0153 C Enable SYSTEM compensation curve 0 Disabled 1 Enabled Mn01 0154 Fixed return water temperature set point in COOLING Mn01 0155 C Enable compensation for room humidity SYSTEM 0 Disabled 1...

Page 65: ...Mn01 011D Installer password Mn01 011G Enable compensation curve for LT3 in HEATING 0 Disabled fixed set point operation 1 Enabled Mn01 011R Enable compensation curve for zone LT3 0 Disabled 1 Enabled...

Page 66: ...NO If YES has the system been developed completely in accordance with the design YES NO Installation date ____________________________________ Systems included Winter heating AT radiators Winter heati...

Page 67: ...king and starting up the unit Two pressure gauges with a suitable scale are installed on the inlet and outlet The unit is positioned as described in the chapter on Positioning in this manual The filte...

Page 68: ...or the unit Unbalance between phases is less than 2 for three phase units Maintenance clearances comply with the specifications in the Installation manual under the section on POSITIONING Power supply...

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Page 70: ...Sede Legale Via L Seitz 47 31100 Treviso Sede Amm va Via Sarson 57 S 36061 Bassano del Grappa VI Italia COD C01001823E_01...

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