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Summary of Contents for CLIMAVENETA AWR MTD
- Page 1 INSTALLATION - OPERATING - SERVICE MANUAL Reverse-cycle air/water heat pumps with domestic hot water production, axial-flow fans and water pump assembly. AWR MTD AWR MTD/B 0011÷0061...
- Page 2 The following symbols are used in this publication and inside the unit: User Important Danger high temperatures Installer Prohibition Assistance Danger voltage Eurovent certification program. The manufacturer reserves the right to modify the data in this manual without warning. AWR MTD - AWR MTD/B GB 01/2009...
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Page 3: General Warnings
“start-up” report. WAIVER OF LIABILITY U I A This publication is the sole property of Climaveneta. Any Read this document carefully. All work must be performed, reproduction or disclosure of such is strictly prohibited with- components selected and materials used in complete accor- out the written authorisation of Climaveneta. -
Page 4: Receiving And Handling The Product
Bar code (compressor side) Hole Ø22 Dimensions AWR 0011 0025 0031 0041 0051 0061 Dimension L Dimension P Dimension H 1150 1450 1450 1450 1600 1600 Gross weight AWR MTD - AWR MTD/B GB 01/2009... -
Page 5: Versions Available
AWR MTD/B Reverse-cycle air/water heat pump with domestic hot water production. Built-in water pump assem- bly without electric heaters. The "/S" at the end indicates that a peak limiter is fitted for single-phase models. GB 01/2009 AWR MTD - AWR MTD/B... -
Page 6: Dimensional Drawings
To lift the unit, insert tubes long enough to allow positioning of the lifting slings and safety pins in the special holes in the base of the unit. AWR MTD - AWR MTD/B GB 01/2009... -
Page 7: Water Connections
Before connecting the pipes, make uid.Climaveneta cannot be held liable for any damage to the sure they do not contain stones, sand, rust, dross or other unit and/or the system following the failure to install these foreign bodies which might damage the unit. -
Page 8: Condensate Drain
61,5 61,5 61,5 61,5 61,5 321,5 621,5 621,5 621,5 721,5 721,5 91,5 61,5 61,5 61,5 61,5 61,5 72,5 454,5 454,5 454,5 549,5 549,5 Water in/out fittings Ø 1"-3/4" 1"-1"1/4 1"1/4 1"1/4 1"1/4 1"1/4 AWR MTD - AWR MTD/B GB 01/2009... - Page 9 0,99 0,99 mance tables by the coefficient given in the following table. 1,72 x10 0,93 0,98 0,98 f1: capacity correction factor fk1: compressor power input correction factor fx1: total power input correction factor GB 01/2009 AWR MTD - AWR MTD/B...
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Page 10: Pump Characteristics
To calculate the useful values relating to the system or source, subtract the pressure drop of the heat exchangers, see the graph "Heat exchanger pressure drop: system". HEAT EXCHANGER PRESSURE DROP: SYSTEM 0011 0025 0031 0041 0051 0061 Q [m3/h] AWR MTD - AWR MTD/B GB 01/2009... - Page 11 11 Flexible polyurethane insulation, 50 mm thick, sky blue finish Primary outlet; heat pump return 1” GAS Domestic water inlet; mains 3/4” GAS Domestic hot water outlet 3/4” GAS Primary inlet; heat pump outlet 1” GAS GB 01/2009 AWR MTD - AWR MTD/B...
- Page 12 8 Storage temperature sensor BT4 Climaveneta. 16 Electric heater 4 Shut off valve 9 Thermostatic valve 13 System storage Expansion vessel (if necessary) 10 Flow switch 14 Outside air temperature sensor Example water circuit diagram AWR MTD - AWR MTD/B GB 01/2009...
- Page 13 8 Storage temperature sensor BT4 Climaveneta. 17 Electric heater 4 Shut off valve 9 Thermostatic valve 13 System storage 5 Expansion vessel (if necessary) 10 Flow switch 14 Outside air temperature sensor Example water circuit diagram GB 01/2009 AWR MTD - AWR MTD/B...
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Page 14: Electrical Connections
(1) Maximum values for sizing the protection switches and power supply cables for AWR MTD/B and AWR MTD/S/B units F.L.A. Maximum current input (2) Maximum values for sizing the protection switches and power supply cables for AWR MTD and AWR MTD/S units (with L.R.A. Start-up current... - Page 15 High pressure switch relay QF2-3 Auxiliary heating element thermal overload switch (MTD C2-3 Fan start capacitor Electric heater relay version only) Auxiliary circuit protection fuse Domestic hot water 3-way valve relay QS1 Door lock disconnect switch GB 01/2009 AWR MTD - AWR MTD/B...
- Page 16 Unit thermal overload switch Unit thermal overload switch QF2-3 Auxiliary heating element thermal overload switch (MTD version QF2-3 Auxiliary heating element thermal overload switch (MTD version only) only) Door lock disconnect switch Door lock disconnect switch AWR MTD - AWR MTD/B GB 01/2009...
- Page 17 To configure a 3-way for the production of domestic hot cal panel and called “installer terminals” (see wiring dia- water (supplied by Climaveneta), make the following con- gram). nections:...
- Page 18 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Signal +12Vdc V W N SA1 SA2 F3 BT4 400V - 3N ~ 50Hz 230 VAC 1A max AWR MTD - AWR MTD/B GB 01/2009...
- Page 19 SINGLE-PHASE WIRING DIAGRAM AWR 0011 MTD GB 01/2009 AWR MTD - AWR MTD/B...
- Page 20 SINGLE-PHASE WIRING DIAGRAM AWR 0011 MTD/B (without built-in electric heaters) AWR MTD - AWR MTD/B GB 01/2009...
- Page 21 SINGLE-PHASE WIRING DIAGRAM AWR 0025 - 0041 MTD GB 01/2009 AWR MTD - AWR MTD/B...
- Page 22 SINGLE-PHASE WIRING DIAGRAM AWR 0025 - 0041 MTD/B (without built-in electric heaters) AWR MTD - AWR MTD/B GB 01/2009...
- Page 23 THREE-PHASE WIRING DIAGRAM AWR 0031 - 0061 MTD GB 01/2009 AWR MTD - AWR MTD/B...
- Page 24 THREE-PHASE WIRING DIAGRAM AWR 0031 - 0061 MTD/B (without built-in electric heaters) AWR MTD - AWR MTD/B GB 01/2009...
- Page 25 (factory setting) = 12°C, Hysteresis = 3°C. FROST PROTECTION WITH UNIT IN STANDBY The compressor starts at outlet water temperatures above Version AWR MTD (complete with built-in heaters) 12°C+3°C (15°C). The compressor stops at water temperatures below 12°C. The frost protection function is guaranteed by the activation...
- Page 26 Minimum interval between domestic hot water production requests with heat pump For the electrical connections of the 3-way valve and the sensor BT4 in the DHW storage cylinder, see “Wiring diagram” and the chapter “Installer connections”. AWR MTD - AWR MTD/B GB 01/2009...
- Page 27 Outside air temperature to shut down heat pump and activate the boiler HP12 Outside air temperature hysteresis to enable the heat pump HEAT PUMP HEATERS (AWR MTD MODELS ONLY) The AWR MTD unit is fitted with electric heaters with the following power ratings: Model Power supply 1st stage...
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Page 28: Anti-Legionella Function
Anti-Legionella cycle duration for Thursday AS35 Anti-Legionella cycle start hours for Thursday AS36 Anti-Legionella cycle start minutes for Thursday If the Anti-Legionella cycle is not completed, the display shows a warning. Contact an authorised service centre. AWR MTD - AWR MTD/B GB 01/2009... - Page 29 Differential applied to the value of ds06 DS04 °C Differential applied to the system water temperature set point in heating mode Ds06 °C Outside air temperature activation/deactivation value for set point compensation function in HEATING GB 01/2009 AWR MTD - AWR MTD/B...
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Page 30: Time Bands
To set the selected parameter, press the set button and enter the value using the up and down buttons. Confirm the changes by pressing the set button or alterna- tively cancel by pressing esc. AWR MTD - AWR MTD/B GB 01/2009... -
Page 31: General Technical Data
(4) Chiller operation: Outside air temperature 35°C DB, water inlet 12°C and outlet 7°C (5) Noise measured at 1 metre in an open field The power input does not include the water circulating pump. GB 01/2009 AWR MTD - AWR MTD/B... -
Page 32: Operating Limits
OPERATING LIMITS Heating Outlet water temperature (°C) Cooling Outlet water temperature (°C) Water temperature head min/max= 3/8 °C Water circuit pressure min/max = 1/3 bar Maximum glycol percentage = 40% AWR MTD - AWR MTD/B GB 01/2009... -
Page 33: Checking And Starting Up The Unit
(if featured) to ON. - Switch the remote keypad “A4” (if fea- tured) ON. - The COOLING and HEATING are ACTI- VATED and DEACTIVATED on the control panel “HSW11” or the remote keypad “A4” if featured. GB 01/2009 AWR MTD - AWR MTD/B... - Page 34 [Menu] / Notes associated with the of buttons of the buttons combined action Pressed once of the buttons] (press and release) [UP + DOWN] [Manual reset] [Esc + Set] [Open programming menu] [Programming menu] AWR MTD - AWR MTD/B GB 01/2009...
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Page 35: Leds And Display
Pressure (Bar) Standby Menu (ABC) Defrost 3 UTILITY LEDS Compressor 1st auxiliary heating element stage activation 2nd auxiliary heating element stage activation System pump Domestic hot water function activation External auxiliary heating element activation GB 01/2009 AWR MTD - AWR MTD/B... -
Page 36: Setting The Clock
**pressed and held for 3 around seconds. To set the time, date and year simply scroll with the UP and DOWN buttons until the desired value and AWR MTD - AWR MTD/B GB 01/2009... - Page 37 ... press the set button. To exit the clock setting menu press the esc button until returning to the main display. GB 01/2009 AWR MTD - AWR MTD/B...
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Page 38: Selecting The Operating Mode
The unit will automatically return to the main display and the Stby LED, previously on, will now be off and the COOL LED will be on. For HEAT mode, proceed in the same way. AWR MTD - AWR MTD/B GB 01/2009... -
Page 39: Setting The Set Points
HEAT and DHW modes (as shown on the side). Taking the example of changing the set point for COOL mode. Select COOL from the menu and press the set button. GB 01/2009 AWR MTD - AWR MTD/B... - Page 40 Once having reached the desired set point, press the set button. In this way, the instrument will save the value 12.5. To return to the main display, press esc or wait for the menu timeout to expire (15 seconds). AWR MTD - AWR MTD/B GB 01/2009...
- Page 41 **NOTE: pressing the set button confirms the new value; pressing the esc button returns to the previous level without changing the existing value. To exit the menu, press esc until returning to the main dis- play. GB 01/2009 AWR MTD - AWR MTD/B...
- Page 42 (in this case CF01) or the down button to go to the previous parameter (in this case CF47). CF00->CF01->CF02->...->CF47->CF00 CF47<-CF00<-CF01->...<-CF46<-CF47 NOTE: -> UP, <-DOWN To display the value of the parameter (in this case CF00), press the set button. AWR MTD - AWR MTD/B GB 01/2009...
- Page 43 To reset the operating hours for pump PU02, press and hold [set]. Note: to reset the operating hours for the other resources, repeat the procedure described. To exit the menu, press esc until returning to the main display. GB 01/2009 AWR MTD - AWR MTD/B...
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Page 44: Manual Reset
[UP+DOWN] NOTE: resetting an alarm that is still active saves the event in the alarm log. The controller returns to the main display. NOTE: the ALARM LED is off. AWR MTD - AWR MTD/B GB 01/2009... -
Page 45: Displaying Alarms
For example, if alarms Er01 Er02 and Er03 are active, the display will be: Er01 ->Er02->Er03 <-Er02<-Er01 NOTE: -> UP, <-DOWN To exit the menu, press esc until returning to the main dis- play. GB 01/2009 AWR MTD - AWR MTD/B... - Page 46 Use the UP and DOWN buttons to select directory EUr. Press the set button for 3 seconds. The display shows YES, to confirm that the alarm log has been reset. Press Esc to exit. AWR MTD - AWR MTD/B GB 01/2009...
- Page 47 Check electrical connection (see unit wiring onds diagram) Check water outlet temperature Values display indication Check water flow Frost prevention alarm (manual reset) Er30 Check temperature Set Point Check correct positioning of sensor BT2 GB 01/2009 AWR MTD - AWR MTD/B...
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Page 48: Shutting Down For Long Periods
If the outside temperature may fall below zero; there is least two hours to preheat the oil in the compressor the risk of freezing. sump. The water circuit MUST BE EMPTIED AND CLOSED (if AWR MTD - AWR MTD/B GB 01/2009... -
Page 49: Routine Maintenance
- Charge the quantity of refrigerant indicated on the unit’s rating plate. DISPOSAL The unit must be disposed of according to the legislation in force in the country concerned GB 01/2009 AWR MTD - AWR MTD/B... -
Page 50: Troubleshooting
Low voltage Check pressor Electrical connections not sufficiently tight Operation outside permitted limits Faulty operation of pressure switches Replace the component Check supply voltage Thermal protector tripped Check electrical insulation of windings AWR MTD - AWR MTD/B GB 01/2009... -
Page 51: Useful Information
U I A USEFUL INFORMATION For information on technical assistance and obtaining spare parts, contact: TECHNICAL SERVICE DEPARTMENT CLIMAVENETA HOME SYSTEM S.R.L. ROOM AIR-CONDITIONING via. L. Seitz, 47 - 31100 Treviso (ITALY) www.climaveneta.it - info@climavenetahs.it GB 01/2009 AWR MTD - AWR MTD/B... - Page 52 Via Sarson 57/c 36061 Bassano del Grappa (VI) Italy Tel. +39 0424 509 500 Fax +39 0424 509 509 info@climaveneta.com www.climaveneta.com Climaveneta Home System Via Duca d’Aosta 121 31030 Mignagola (TV) Italy Tel. +39 0422 4131 Fax +39 0422 413659 info.cvhs@climaveneta.com www.climaveneta.com...
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