RDZ PDC FLOOR 12T Installation Manual Download Page 9

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1 .5 .2

Indoor unit components

P2 system circulation pump **

P1 head pump circulation pump

Pressure gauge

4 bar solar safety valve

Solar pressure gauge *

PSO solar circuit pump *

Drain tap

Hot water tank

2 x 24 L expansion vessels (one optional)

10.

Charging tap

11.

6 bar safety valve

12.

Automatic relief valve

13.

Hydraulic separator **

14.

Collector

15.

Plate heat exchanger

16.

Three-way hot water valve

17.

Solar unit *

18.

LCD touch screen

19.

6 kW resistor *

* Optional

** Optional recommended (obligatory for 12 - 15)

Summary of Contents for PDC FLOOR 12T

Page 1: ...PDC FLOOR Chiller and Heat Pumps INSTALLATION MANUAL Heat pumps for winter heating summer air conditioning and domestic hot water production ...

Page 2: ......

Page 3: ...ctograms in the next chapter provide the necessary information for correct safe use of the appliance in a rapid unmistakable way Pictograms referred to the text User Refers to pages containing instructions or information for the user Installer Refers to pages containing instructions or information for the installer Service Refers to pages containing instructions or information for the CUSTOMER TEC...

Page 4: ...n 27 2 14 Solar unit connection 30 2 15 Wiring diagrams 32 2 16 Auxiliary heater management resistor or back up boiler 36 2 17 Climate control 37 2 18 System handover 37 3 Use and maintenance 38 3 1 System components and description of the parts 38 3 2 Emergency control interface use 39 3 3 Setting and general start up 41 3 4 Long term shutdown 45 3 5 Emptying the device 45 3 6 Cleaning 45 3 7 Mai...

Page 5: ...ect the instructions contained in this manual and use beyond the specified temperature lim its will cancel the warranty Routine maintenance and exterior cleaning may be carried out by the user because operations are simple and not dan gerous During assembly and for all maintenance operations observe the precautions shown in this manual and on the labels af fixed in the devices in addition to all p...

Page 6: ...able of sufficient length to cover the entire distance without any connection for the electric connection Do not use extensions Do not apply loads onto the power line Use a dedicated power circuit risk of overheating electric shock or fire otherwise Use the specified wire types for electric connections between the internal and the external unit Fix the interconnection wires firmly so that the resp...

Page 7: ...l and performance data of the device Order a duplicate from Tech nical Service in case of loss or deterioration Tampering removing or deteriorating identification labels will make installation maintenance and ordering of spare parts difficult 1 Packing label 2 Technical plate 2 1 It is recommended to install an earth leakage breaker Failure to install this device could result in electric shock ...

Page 8: ...nnecting to the exter nal unit are arranged on the top of the module so avoid increas ing side dimensions Access is from the front only to reduce clearance needed to the front only The electric panel is provided with a master switch and is en closed in a IP44 sealed casing The electronic control can be con nected by installing a switch by means of WEB SERVER to any PC or smartphone logged onto the...

Page 9: ...t pump 7 Drain tap 8 Hot water tank 9 2 x 24 L expansion vessels one optional 10 Charging tap 11 6 bar safety valve 12 Automatic relief valve 13 Hydraulic separator 14 Collector 15 Plate heat exchanger 16 Three way hot water valve 17 Solar unit 18 LCD touch screen 19 6 kW resistor Optional Optional recommended obligatory for 12 15 1 3 2 18 19 17 4 5 6 13 12 14 15 16 9 11 10 9 8 7 ...

Page 10: ... inverter control perfect defrosting in all climate situations and quiet operation line length up to 50 metres The following are present in the unit Twin rotary DC Inverter compressor with oil separator Modulating DC fans Electronic laminar valve P Link serial connection with two non polarised wires 1 5 4 External unit components a Size 5 7 9 b Size 12 15 1 Access panel 2 Cooler attachments 3 Conn...

Page 11: ...hotographic documen tation Copy of notice should also be sent by fax to the manufac turer No notice of damage will be accepted after three days from delivery For any controversies the court of TRENTO has jurisdiction Handle the units in vertical position The units must be handled by qualified personnel provided with equipment appropriate to the weight and size of the device to be transported as sh...

Page 12: ...allation procedure Carefully follow the indications in this manual to ensure that the installation is correct and the equipment operates perfectly Failure to observe these indications could cause device malfunc tion and relieve the manufacturer of all warranty obligations or responsibility for any damage or injury caused to persons ani mals or property The electrical system must be installed follo...

Page 13: ...lations in force The unit is provided with four ball wheels to facilitating han dling After having positioned the unit Adjust the two anchoring feet and level the unit Keep the device vertical using handling Position the unit on a perfectly levelled surface Check that the resting surface supports the weight of the de vice A Front side B Rear side 1 Floor anchoring feet 2 Ball wheels for movement 1...

Page 14: ...ng screws Slightly lift and remove the lower panel To access the system charging tap and the secondary circula tion pump Loosen the fastening screws Remove the upper panel by pulling it towards yourself To access the manual vent valve Loosen the fastening screws Remove the electric panel The side panels can be removed by loosening the four front screws and lifting the panel to release it from the ...

Page 15: ...vice in order to avoid recycling and to facilitate maintenance operations Prearrange a layer of gravel for the drainage of the defrosting water underneath the device When installed in a location with high snow fall mount the support of the device at a height which is greater than the maximum level of snow Use concrete or a similar material to make the base and en sure good drainage In this case pr...

Page 16: ... be necessary to top up the R410A load with 40 g for each metre Furthermore the max imum difference in height between the internal and external unit must not exceed the figures indicated in the Connec tion table Fasten a cable raceway to the wall possibly with internal par titioning of suitable size for the pipes and electrical wires to pass through Cut the sections of pipe leaving an extra 3 4 cm...

Page 17: ...pipe Diameter 3 8 34 N m tightening torque 42 N m Diameter 5 8 68 N m tightening torque 82 N m 2 6 1 Connection table Siphons on refrigerant lines are not necessary because the out door units compressors are equipped with oil separators L H2 L H1 Maximum permitted development length L m 50 Elevation difference limit between the two units if the external unit is positioned higher H1 m 30 Elevation ...

Page 18: ...isen to a value greater than 101kPa 755mmHg 1bar search for the leak using a soapy solution with refrigerant circuit under nitrogen pressure 30 bar once identified and repaired re start from point 3 Using a 4mm hexagonal spanner open the liquid valve stem to open it completely Open the gas valve stem completely using a 5 mm hexagonal spanner Remove the charge hose connected to the gas pipe service...

Page 19: ...the pressure gauge unit Open the tap of the cylinder liquid Load the required amount of coolant Close the taps of the cylinder and pressure gauge unit and disconnect the cylinder Record the length of the pipes and the quantity of coolant added onto the label of the product within the panel A Pressure gauge unit B Vacuum gauge where fitted C Cylinder liquid tap D R410A gas cylinder E Service fittin...

Page 20: ...r feed 3 4 5 Boiler delivery 3 4 6 Boiler return 3 4 7 Solar delivery 12 mm 8 Solar return 12 mm 9 Liquid line 3 8 10 Gas line 5 8 11 System return 1 12 System delivery 1 13 Boiler delivery return alternative connections 1 2 3 9 10 13 4 5 6 7 8 11 12 The minimum nominal diameter of the connection pipes must be 1 To allow the maintenance and repair operations it is indispen sable that each hydrauli...

Page 21: ...6 Hydraulic separator 7 Y filter 8 Plate heat exchanger 9 Automatic relief valve 10 3 bar safety valve 11 Collector with resistor 12 P1 head pump circulation pump 13 Three way valve 14 Boiler relief valve 15 Solar charge tap 16 4 bar solar safety valve 17 Pressure gauge 18 PSO solar circuit pump 19 Solar serpentine 20 ACS stainless steel serpentine 21 External unit 22 Solar panel Optional 2 1 3 4 ...

Page 22: ...a i p m i e n o i z a l o c r i c i d a p m o P 4 o c i l u a r d i e r o t a r a p e S 5 Filtro aY 6 e r t s a i p a e r o t a i b m a c S 7 8 r a b 3 a z z e r u c i s i d a l o v l a V 9 a z n e t s i s e r n o c e r o t t e l l o C 10 1 P e r o l a c i d a p m o p e n o i z a l o c r i c i d a p m o P 11 e i v 3 a a l o v l a V 12 13 S C A x o n i o n i t n e p r e S 14 a n r e t s e à t i n U...

Page 23: ...n of chlorides at outlet after regeneration of resins Warning do not introduce acids into the wash circuit If the indoor unit is installed outside or in a room where the tem perature may drop to under 0 C empty the system or introduce antifreeze liquid The proportion of antifreeze must be suited to the minimum temperatures which may be reached Solutions of water and ethylene glycol used as heat tr...

Page 24: ...to reach the working pressure If the water pressure exceeds 3 bar the safety valve opens and discharges the water Connect a drain pipe to water safety valve so as to prevent that some water leakage can get inside electri cal parts Once all the electrical connections have been made and the cir culation pump is activated check that there are no pockets of air in the system If this happens stop the p...

Page 25: ... the pump runs the cycles only when requested by the regulator according to the reading of hot water sensor T3 Other operating mode are continuous in which the pump op erates uninterruptedly for as long as the instrument is active or energy saving in which in addition to the normal request of the regulator it runs cycles consisting of 2 minutes ON and 15 minutes OFF if the temperature regulator co...

Page 26: ...systems with constant losses of load or three way bypass valve Constant head III H I II Q variable head Δp v operating mode in which the electronic system varies the head developed by the pump between the set value and half the set value as the water flow rate varies This mode is particularly suited for systems with variable loss of load with two way valves Variable head H max H H min Hs Q Hs 1 2 ...

Page 27: ...ance is 3 The manufacturer is not responsible for any damage resulting from the lack of an earth connection or the failure to observe that indicated in the wiring diagrams It is forbidden to use the gas or water pipes to earth the de vice Model U M 7M 9M 12M 12T 15M 15T Sizing table of the power supply line Voltage V 50Hz 230 230 230 400 3N 230 400 3N WITHOUT RESISTORS Power input kW 3 0 3 5 4 5 4...

Page 28: ...d carefully the instructions in this paragraph before con necting the terminal strip Remove the two jumpers fitted at the factory to connect to terminals 5 6 and 7 8 To position the external sensor T4 disconnect it from the terminals 13 14 extend it if needed and reconnect it Terminals 1 2 serial connection of external unit terminals U1 and U2 by the installer The connection is polar ised Use a sh...

Page 29: ...sed to select the TA hot water only mode from a clean remote contact It in hibits the operation of the cooling and heating modes leaving the production of hot water as the only active mode 230 V output voltage The P2 secondary connection pump is connected directly to this input and also operates with the regulator in standby mode Terminals 7 8 Contact used to select ON OFF from a poten tial free r...

Page 30: ... Additionally the web server board can send an email to three different recipients if any operating alarm appears This message can be used to inform the service centre which can connect if you authorise them to do so to your device to understand the reason for faults and in many cases solve the problem without needing to intervene on site Contact the Technical Service to activate this function 2 1...

Page 31: ... the status of the probes and other numerous information and data The control unit automatically manages the outputs and inputs related to the type of system set according to the following logic The PSO pump is activated with S1 S2 8 C The PSO pump is switched off with S1 S2 4 C Solar pump PSO On the front part of the pump body there is a regulator that al lows to select the head according to the ...

Page 32: ...lenoid valve CA Auxiliary heater enable max 2 A SC Hot water enable for boiler TR Transformer 230 24 13V for external unit board AT 5 V power for tablet interface SW Web server board with rabbit PC Tablet interface patch cord FL Flow switch DR Connection for heated bowl kit DR0656 max 1 A T1 System water temperature sensor adjustment T2 Heat exchanger output sensor antifreeze T3 Hot water tank tem...

Page 33: ... contact or DOM ON OFF remote EV Hot water system solenoid valve CA Auxiliary heater enable max 2 A SC Hot water enable for boiler TR Transformer 230 24 13V for external unit board FL Flow switch DR Connection for heated bowl kit DR0656 max 1 A T1 System water temperature sensor adjustment T2 Heat exchanger output sensor antifreeze T3 Hot water tank temperature sensor T EXT External air temperatur...

Page 34: ...able max 2 A SC Hot water enable for boiler TR Transformer 230 24 13V for external unit board AT 5 V power for tablet interface SW Web server board with rabbit PC Tablet interface patch cord FL Flow switch DR Connection for heated bowl kit DR0656 max 1 A T1 System water temperature sensor adjustment T2 Heat exchanger output sensor antifreeze T3 Hot water tank temperature sensor T EXT External air ...

Page 35: ...water system solenoid valve CA Auxiliary heater enable max 2 A SC Hot water enable for boiler TR Transformer 230 24 13V for external unit board FL Flow switch DR Connection for heated bowl kit DR0656 max 1 A T1 System water temperature sensor adjustment T2 Heat exchanger output sensor antifreeze T3 Hot water tank temperature sensor T EXT External air temperature sensor max 50m TAB User interface t...

Page 36: ...1 relay in switch ing with the heat pump This adjustment can be changed by the Technical Assistance Service A hoS for hot water hor for heating T aria est Tempo A A ihY COMMUTAZIONE PDC Risc ausiliario Master switch Q2 is provided in units provided with back up re sistor to enable the components and protect them electrically The installer may connect the three stages 2 4 or 6kW accord ing to needs...

Page 37: ...e adapted to any installation by acting on the maximum outdoor temperature OTH above which the setpoint cannot be further reduced and minimum outdoor temperature OTL below which the setpoint is maintained and the setpoint OTS delta value In heating the setpoint shown in tile F is subject to the cli matic control function A Water temperature C B External air temperature C T esterna oth otL T acqua ...

Page 38: ...lect cooling heating mode to regulate heat to control all the main functions of the device and to view and release alarms See the user manual for how to use the interface A Standby B Heating mode C Cooling mode D Date and time E Settings F Heating cooling conditioner temperatures Access to programming page G Hot water and anti Legionella temperatures Access to programming page L Active alarm indic...

Page 39: ...arm External unit control panel The external unit control panel is not a remote control it is only used during commissioning for automatic address setting and first start up Do not press any button switch it off or attempt to programme it after this 1 On button 2 Operating LED indicator lights up during operation flashes during the alarm 3 Selection key 4 Back button 5 Enter key 3 2 Emergency cont...

Page 40: ...cts according to the actual different between the temperature measured by the probe on the system water return and the setpoint SET set to 12 C adjustable between 10 and 20 C This adjustment is indicated by the switching on of the appro priate LED The heating function enabled by the specific switch on the con trol by the closing of the ON OFF input and of the thermostatic contact TA and selected b...

Page 41: ... if the set value is exceeded rearming will be manual in this case the alarms specific sign shall alternate with the ALr sign that means that the device is locked LED goes off when the event that triggered the alarm ceases only then will it be possible to reset the alarm by pressing for 5 seconds The opening of the DI1 inlet connected to the differential pressure gauge that acts as a flow meter ma...

Page 42: ...inutes the prompt ASSIGNING will appear and flash on the control panel of the external unit This signal will cease within a maximum time of 4 5 minutes once the panel has cor rectly communicated with the external unit On three phase 12 and 15 versions reverse the two power phas es if alarm P05 appears on the external unit control panel 3 3 3 Automatic address setting If during the SETTING procedur...

Page 43: ...late P1 by operating on the regulator AUTO At this point the stand by screen appears on the dis play wait a minute and press the power button on the control panel Select the setting to be changed with the arrow MODE Press enter Change the settings with the arrows until you get to the AUTO mode vPress enter again After a few moments the compressor start symbol ap pears on the display Turn the appli...

Page 44: ...nt 45 C by default tile G on the touch screen interface and the LEDs and on the emergency interface will light up The external unit will start in heat pump mode after a variable time from 2 to 5 minutes needed by the device to run internal checks On the contrary the external unit will start to satisfy the request if the hot water boiler setpoint is satisfied the TA contact is closed and the temper...

Page 45: ... the water circulating in the air water heat pump does not exceed 65 C 3 5 Emptying the device Turn the system master switch to off Check that the system charging tap is closed Open the water drain tap in the bottom left of the hot water tank Open the manual vent on the top of the hot water tank to facilitate the operation If the system is fitted with antifreeze the liquid must not be discharged f...

Page 46: ...r one minute so as to prevent hot and cold water from mixing After 10 minutes of inactivity the screen saver is enabled To restore the normal display touch the screen Hot water production which has higher priority over the oth er settings requires external unit pump operation until the desired setpoint is reached default setting 45 C adjustable between 30 and 55 C In heating the setpoint shown in ...

Page 47: ...activated but the resistor or the boiler active not active Check that switch Q2 is armed and that the boiler is powered Cal appears on the touchs creen inter face in tile L The specific Cal function which consists in the exclusive opera tion of a boiler and switches off the heat pump was activated Check that the boiler is activated correctly with the installer The external unit defroster is not wo...

Page 48: ...se of malfunctioning of the external condenser see paragraph 3 10 If the anti Legionella cycle ends because the timeout has ex pired only the LEG prompt is displayed If the CAL function specially designed for connecting a boiler as auxiliary heating is activate the device switches to standby prompt CAL will appear on the display and only the three way valve output will be activated This is managed...

Page 49: ...re protection activated by excessive temperature on the external condenser Check cleanness of external heat exchanger and respect of mini mum clearances Check operation of the fan and correct disposal of air from the condenser P22 External fan motor not working correctly External fan inverter circuit protection tripped Check free fan movement Replace fan motor inverter board P26 Compressor inverte...

Page 50: ...ings of parameters in the indoor unit E01 Automatic setting of address has not been completed Wiring between internal and external unit are cut or not con nected correctly Check the connection of terminals 1 and 2 of the indoor unit to the external unit a shielded double core cable minimum cross section area 0 35 mm kept separate from the electric power cables Check the external unit control panel...

Page 51: ...52 52 53 53 53 53 hydraulic data Nominal water flow rate with heating data 30 35 C L min 13 7 20 6 23 5 32 1 32 1 41 9 41 9 Residual head kPa 65 64 58 31 31 31 31 Hydraulic attachment diameter Gas 1 1 1 1 1 1 1 Expansion vessel capacity L 24 24 24 24 24 24 24 24 24 24 24 24 24 24 Minimum system water content L 20 30 40 50 50 65 65 Hot water tank capacity L 200 200 200 200 200 200 200 Cooler attach...

Page 52: ...C B Heating and hot water mode C Cooling mode D Output water temperature C E PDC off Heating by means of resistor boiler or solar integrator G Hot water tank temperature C F Integration by resistor or boiler 5 5 20 55 70 40 20 25 15 40 B C A A D E F G ...

Page 53: ...2 02 3 75 7 08 2 27 3 12 15 9 36 1 45 6 44 8 91 1 60 5 57 8 47 1 80 4 71 8 01 2 04 3 93 7 52 2 29 3 28 18 10 17 1 46 6 96 9 69 1 61 6 01 9 22 1 82 5 08 8 71 2 07 4 22 8 21 2 33 3 53 22 10 79 1 63 6 62 10 27 1 84 5 59 9 69 2 11 4 60 9 21 2 38 3 87 7 10 35 2 03 5 09 9 90 2 27 4 36 9 36 2 55 3 67 8 89 2 76 3 21 8 30 3 20 2 59 10 11 38 2 05 5 56 10 86 2 29 4 73 10 29 2 58 3 99 9 83 2 80 3 51 9 11 3 25...

Page 54: ...13 73 2 74 5 01 13 13 3 06 4 29 12 42 3 44 3 61 11 79 3 73 3 16 11 00 4 31 2 55 10 15 09 2 76 5 47 14 40 3 09 4 66 13 65 3 48 3 93 13 04 3 78 3 45 12 08 4 38 2 76 13 16 51 2 77 5 95 15 74 3 12 5 05 14 95 3 52 4 25 14 37 3 83 3 75 13 23 4 45 2 98 15 17 48 2 78 6 28 16 68 3 14 5 32 15 85 3 54 4 47 15 29 3 87 3 95 14 05 4 49 3 13 18 18 98 2 80 6 79 18 14 3 16 5 73 17 25 3 58 4 81 16 74 3 93 4 26 15 3...

Page 55: ...8 34 1 59 5 25 8 10 1 79 4 52 7 86 2 04 3 85 7 59 2 33 3 26 7 32 2 67 2 75 7 06 3 05 2 31 12 9 88 1 69 5 84 9 59 1 91 5 03 9 31 2 17 4 28 8 99 2 48 3 63 8 67 2 84 3 05 8 37 3 25 2 57 15 10 90 1 77 6 15 10 58 2 00 5 30 10 27 2 28 4 51 9 92 2 60 3 82 9 57 2 97 3 22 9 23 3 41 2 71 20 12 74 1 93 6 59 12 37 2 18 5 68 12 01 2 48 4 83 11 59 2 83 4 09 11 18 3 24 3 45 10 78 3 72 2 90 20 4 44 1 80 2 46 4 30...

Page 56: ...42 3 78 4 08 14 89 4 31 3 45 14 36 4 94 2 91 13 85 5 66 2 45 15 17 80 2 92 6 09 17 28 3 29 5 25 16 78 3 76 4 47 16 20 4 28 3 78 15 63 4 90 3 19 15 07 5 62 2 68 20 20 37 2 89 7 04 19 77 3 26 6 07 19 20 3 71 5 17 18 54 4 23 4 38 17 88 4 85 3 69 17 24 5 56 3 10 20 9 87 4 29 2 30 9 58 4 84 1 98 9 30 5 51 1 69 8 98 5 53 1 62 9 38 6 48 1 45 8 70 7 01 1 24 15 10 73 4 14 2 59 10 51 4 67 2 25 10 11 5 32 1 ...

Page 57: ...00 2000 2000 2000 Depth C mm 600 600 600 600 600 600 600 Net weight kg 172 172 172 172 172 172 172 4 6 External unit dimensions B A C B A C Modelli 5M 7M 9M 12M 12T 15M 15T Larghezza B mm 940 940 940 940 940 940 940 Altezza A mm 996 996 996 1416 1416 1416 1416 Profondità C mm 340 340 340 340 340 340 340 Peso netto kg 68 68 69 98 98 98 98 ...

Page 58: ...IT 58 4 7 Esempi Schemi Idraulici ...

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Page 64: ...FAF0FB001BZ 05 11 2019 bit ly rdzwebsite ...

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Summary of Contents for PDC FLOOR 12T

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RDZ PDC FLOOR 12T, Installation Manual, Page: 9 / 64

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