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Summary of Contents for RDZ PDC FLOOR 7M
- Page 1 Chiller and Heat Pumps PDC FLOOR Heat pumps for winter heating, summer air conditioning and domestic hot water production INSTALLATION MANUAL...
- Page 3 Compliance This unit complies with the following European Directives: • Use restrictions of hazardous substances in electrical and electronic equipment 2011/65/EC (RoHS2) • Low voltage 2014/35/EU • Waste electrical and electronic equipment 2012/19/EC • Electro-magnetic compatibility 2014/30/EU (WEEE). • ErP Directive 2009/125/EC and regulation 2012/206EC Symbols The pictograms in the next chapter provide the necessary unmistakable way.
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Page 4: Table Of Contents
General ................. . . 5 1.1 General warnings . -
Page 5: General
This part contains information, technical data and important heat are present. warnings which must be known before installing and using the air-water heat pump. Always use RDZ S.P.A. genuine spare parts exclusively for re- placements. Installation For specialised installers only. -
Page 6: Fundamental Safety Rules
Global Warming Potential (GWP) of 1975. 1 .3 Cautions RDZ S.P.A. devices must be installed by an authorised com- Ventilate in case of leakage of refrigerant into the environ- pany which shall issue a declaration of conformity in accord-... -
Page 7: Identi Cation
It is recommended to install an earth leakage breaker; Failure to install this device could result in electric shock. 1 .4 Identification The device can be identified by means of: – Rating plate This is applied to the machine and shows the technical and –... -
Page 8: Description Of The Device
Description of the device 1 .5 1 .5 .1 Indoor unit PDC FLOOR combines three functions - winter heating, summer longer subject to flow rate fluctuations caused by circulation on cooling and heating of hot water - in one device. On demand, system side. - Page 9 1 .5 .2 Indoor unit components P2 system circulation pump ** Automatic relief valve P1 head pump circulation pump Hydraulic separator ** Pressure gauge Collector 4 bar solar safety valve Plate heat exchanger Solar pressure gauge * Three-way hot water valve PSO solar circuit pump * Solar unit * Drain tap...
- Page 10 1 .5 .3 External unit The outdoor units of the eHPoca range (up to the 15 kW model) The following are present in the unit: can be connected. Operation is guaranteed from -20 °C to + 45 Twin rotary DC Inverter compressor with oil separator °C starting from a water temperature of 5 °C without needing additional electric resistors, modulating full inverter control, Modulating DC fans...
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Page 11: Installation
INSTALLATION 2 .1 Storage Arrange the device in vertical position only. Store in closed envi- Do not stack the devices. ronments protected from the elements. Do not turn the packaging upside down. 2 .2 Receipt and unpacking The external unit is shipped in a cardboard box and the indoor Handle the units in vertical position. -
Page 12: Installation Procedure
2 .2 .1 Transport dimensions Indoor unit Height 2120 2120 2120 2120 2120 2120 Width Depth Gross weight External unit Height 1136 1136 1556 1556 1556 1556 Width 1055 1055 1055 1055 1055 1055 Depth Gross weight 2 .3 Installation procedure Carefully follow the indications in this manual to ensure that the The electrical system must be installed following all the regula- installation is correct and the equipment operates perfectly. -
Page 13: Installation Of The Indoor Unit
2 .4 Installation of the indoor unit The location of the devices must be established by the system After having positioned the unit: designed or by an expert person and must take technical needs Adjust the two anchoring feet and level the unit. into account in addition to local regulations in force. - Page 14 2 .4 .1 Minimum distances and access to the internal parts To access the electrical panel and the primary pump: To access the system charging tap and the secondary circula- tion pump: Open the central door by turning it downwards. Loosen the fastening screws.
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Page 15: Installation Of The External Unit
2 .5 Installation of the external unit The maximum length of the connection lines to the internal unit ternal and external unit must not exceed the figures indicated in Supporti antivibranti disponibili come accessori must be 50 m in each sense (for lengths greater than 30 m it will the “Connection”... -
Page 16: Cooler Connections
2 .6 Cooler connections The installer must be in compliance with as established by Open the inspection panel of the outdoor unit to access to the Regulation 303/2008/EC which defines, in accordance with connection. the Directive 842/2006/EC, the requirements of companies Plan the route of the pipeline so as to reduce the length and and personnel as regards stationary refrigeration, air condi- number of bends as much as possible for best performance... - Page 17 Flare the pipe ends using the special tool. Take care not to Tighten using a wrench to hold the threaded part of the con- break, crack or split the pipe. nector to avoid twisting the pipe and a torque wrench on the nut calibrated with the following values depending on the Lubricate the connecting thread with oil for coolant (DO NOT size of the pipe:...
- Page 18 2 .6 .2 Tests and inspections Check that the cooling system is perfectly sealed after connect- the leak (using a soapy solution with refrigerant circuit under ing the pipes. nitrogen pressure ~ 30 bar); once identified and repaired, re- To perform the operations described below, use a pressure start from point 3.
- Page 19 2 .6 .3 Charging additional refrigerant If the length of the pipe is greater than 30 meter, the charge – Load the required amount of coolant. must be topped up with 40 g of R410A per metre. – Close the taps of the cylinder and pressure gauge unit and –...
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Page 20: Hydraulic Connections
2 .7 Hydraulic connections Components shall be chosen and installed by a skilled installer – flexible elastic joints who shall operate according to rules of good practice and the – on/off valves. laws in force. Before connecting the pipes, ensure they are free from stones, grit, rust, debris or any foreign bodies which may The hydraulic connections are positioned on the top of the unit. -
Page 21: Heat Pump Hydraulic Diagram
2 .8 Heat pump hydraulic diagram Boiler Collector with resistor * Hot water utilities P1 head pump circulation pump High temperature (radiator) utilities Three-way valve System utilities Boiler relief valve 24 litre expansion vessel Solar charge tap* 7 bar safety valve 4 bar solar safety valve * Thermostatic mixing valve * Pressure gauge *... -
Page 22: Floor X Heat Pump Hydraulic Diagram
2.8.b Schema idraulico FLOOR X Inerziale t e l l r o t s i s n e t n e t d l a a t i a i r i c i o c r z a l n o i l a c e r o... -
Page 23: Ethylene Glycol Solution
Upon initial start-up, the specialized technician will have to ob- tain the reference values of the system water using appropriate test kits. System water reference values 6,5 ÷ 7,8 Electric conductivity µS/cm 250 ÷ 800 Total hardness °F 5 ÷ 20 Total iron Manganese <... -
Page 24: Filling The System
2 .10 Filling the system If the water pressure exceeds 3 bar the safety valve opens and Once the hydraulic connections have been completed the sys- discharges the water. Connect a drain pipe to water safety valve tem will have to be filled. so as to prevent that some water leakage can get inside electri- cal parts. -
Page 25: P1 Primary Pump Operation
2 .11 P1 primary pump operation The P1 primary circulation pump (class A inverter) is started The modes can be activated by means of the specific parameters when a request for hot water (reading of T3 positioned in the by Technical Service. ACS tank) or from the system (reading of T1 positioned in the If the boiler function (CAL) is enabled is enabled and the AUX- separator) is received. - Page 26 2 .12 P2 secondary circulation pump operation Variable head The P2 pump is operated only by the TA “hot water only” setting (and therefore also with the regulator in standby). The device uses a wet rotor high efficiency circulation pump suited for all heating and cooling systems with a temperature range from -10 °C to +110 °C which by means of specific syn- chronous motors - with permanent magnet rotor controlled by...
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Page 27: Electrical Connection
2 .13 Electrical connections Before carrying out any intervention, make sure that the elec- ant to EN 60335 part 1 (with at least 3 mm contact gap), suited trical power supply is switched off. for the unit maximum absorbed current, with a residual current For electrical connections, refer to the wiring diagram in 2.15 circuit breaker as to indicated by the individual electrical stand- Wiring digarams p. - Page 28 2 .13 .2 Electrical power line connection The electrical panel is located on the front of the machine. The connection wire must be dimensioned as shown in table p. To access the electrical panel: 4 mm² and greater is recommended in all cases. The wire must Remove the central panel as shown in 2.4.1Minimum dis- be of the double insulation muliticore type mod.
- Page 29 Activation of the disinfection function can be performed by con- modes, leaving the production of hot water as necting a timer to the inlet that has a default value set for 2 a.m. the only active mode. the night between Sunday and Monday; as statistically this is a 230 V output voltage.
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Page 30: Solar Unit Connection
2 .13 .6 External air sensor under roof external air sensor under a terrace protection box provide a small roof if installed freely on a wall connection terminal strip 2 .13 .7 Ethernet connection by means of switch The touch screen interface is connected to the INN-PDC-02 con- can be used to inform the service centre which can connect (if trolled by means of an Ethernet web server which may be con- you authorise them to do so) to your device to understand the... - Page 31 2 .14 .1 External air sensor The solar group, to be ordered separately, consists of: solar circuit charging unit; solar control unit; solar circuit circulation pump. boiler probes and panel probe to be positioned in the panel by the installer; 24 L solar expansion vessel;...
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Page 32: Wiring Diagrams
2 .15 Wiring diagrams 2 .15 .1 Single-phase electric diagram with web server Master switch 5 V power for tablet interface Connection terminal version with resistor Web server board with rabbit Primary circulation pump Tablet interface patch cord Secondary circulation pump Flow switch Auxiliary heater enable relay Connection for heated bowl kit DR0656 (max. - Page 33 2 .15 .2 Single-phase electric diagram without web server Master switch Hot water enable for boiler Connection terminal version with resistor Transformer 230/24/13V for external unit board Primary circulation pump Flow switch Secondary circulation pump Connection for heated bowl kit DR0656 (max. 1 A) * Auxiliary heater enable relay System water temperature sensor (adjustment) External unit enable relay...
- Page 34 2 .15 .3 Three-phase wiring diagram with web server Master switch Web server board with rabbit Primary circulation pump Tablet interface patch cord Secondary circulation pump Flow switch Auxiliary heater enable relay Connection for heated bowl kit DR0656 (max. 1 A) * External unit enable relay System water temperature sensor (adjustment) Ambient thermostat contact relay...
- Page 35 2 .15 .4 Three-phase wiring diagram without web server Master switch Flow switch Primary circulation pump Connection for heated bowl kit DR0656 (max. 1 A) * Secondary circulation pump System water temperature sensor (adjustment) Auxiliary heater enable relay Heat exchanger output sensor (antifreeze) External unit enable relay Hot water tank temperature sensor Ambient thermostat contact relay...
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Page 36: Auxiliary Heater Management (Resistor Or Back-Up Boiler)
2 .16 Auxiliary heater management (resistor or back-up boiler) This function, displayed by the tile on the touchscreen in- – if the external temperature measured by the T4 sensor goes terface and by the flashing of the LED on the emergency below -15°C*, the controller activates the K1 relay in switch- interface as well as an automatic intervention in case of external ing with the heat pump... -
Page 37: Climate Control
2 .17 Climate control As the outdoor temperature measured by the T4 outdoor tem- adapted to any installation by acting on the maximum outdoor perature sensor increases, the climatic control system reduces temperature OTH (above which the setpoint cannot be further the heating setpoint value, starting from -5°C up to a maximum reduced) and minimum outdoor temperature OTL (below which delta of 10°C, which is attained when the external temperature... -
Page 38: Use And Maintenance
USE AND MAINTENANCE 3 .1 System components and description of the parts The system consists of a metallic structure which encloses all the The following devices are present on the electric panel: operational parts. The only component accessible from the out- side is the touch screen. -
Page 39: Emergency Control Interface Use
Emergency control interface The emergency control interface allows to perform the opera- tions on the heat pump when the touch screen interface is not available. Info / Setpoint / Lock keypad Exit menu Decrease value / Reset alarm ALR (5 seconds) Press any button to silence the buzzer in case of alarm. - Page 40 3 .2 .1 User interface The interface normally displays the temperature of the water in This adjustment is indicated by the switching on of the appro- the hot water boiler and allows to perform all of the operations priate LED related to the use of the instrument and in particular to: This function can be disabled by the Technical Service and in this Select the cooling/heating operation mode...
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Page 41: Setting And General Start-Up
3 .2 .4 Standby Standby state can be set using the touch screen interface or by While in standby, the device runs an antifreeze cycle which opening the ON/OFF selection contact connected to terminals activates the circulation pump based on the ALO threshold 7 –... - Page 42 2 to the outdoor unit are correct. Then switch on the power sup- in the display symbol accompanied by the prompt R.C.1. call the RDZ S.P.A. Service. Meaning of the warning lights on the external unit electronic board Meaning LED 1...
- Page 43 3 .3 .4 External unit control panel first switch-on At this point the stand-by screen appears on the dis- play, wait a minute and press the power button 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...
- Page 44 Standby Active alarm indication and rearming Heating mode P1 circulation pump operation Cooling mode Auxiliary heating operation Date and time Hours of auxiliary heating operation Settings Hours of heat pump operation Heating/cooling conditioner temperatures Access to System water temperature sensor programming page.
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Page 45: Long-Term Shutdown
3 .4 Long-term shutdown When the air-water heat pump is not used for a long period of Close the water taps. time, the following operations are to be performed: If the outside temperature could fall below zero and there is a Press the Standby A tile on the touch screen interface. -
Page 46: Maintenance
3 .7 Maintenance According to Directive 842/2006/EC, systems containing 3 kg or The annual maintenance programme that the Technical Service more of fluorinated greenhouse gases (F-gas) must be checked or the authorised technician must perform consists of the fol- for leakage at least once a year, using direct or indirect measur- lowing checks and operations: ing methods, by certified personnel in compliance with Regula- –... - Page 47 Check the meaning of the alarm on the EXTERNAL UNIT CON- erly (symbol appears on the LCD of TROL PANEL (see chapter 3.10) and connect the RDZ S.P.A. Ser- the external control unit in addition to vice. letters E, F, H, L, P and numbers).
- Page 48 The low temperature (5 °C antifreeze signalled on the display If the CAL function, specially designed for connecting a boiler by the Lo prompt) and high temperature (80° hi on the display) as auxiliary heating, is activate, the device switches to standby alarms are managed by means of the temperature sensor T2 po- (prompt “CAL”...
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Page 49: Alarms Shown On The Control Panel Of The External Unit
3 .10 Alarms shown on the control panel of the external unit The external unit control panel shows alarms which may occur Symptoms and inspection points during heat pump operation. Call the Technical Service if alarm PdC appears on the user interface Alarms Cause Remedy... - Page 50 Check the automatic settings of the address again (paragraph 3.3.3Automatic address settingp<?>). No setting in the indoor unit. Contact RDZ S.p.A. Service to run programming again. No setting in the indoor unit. No setting in the external unit. Incorrect settings of parameters in the indoor unit.
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Page 51: Technical Information
TECHNICAL INFORMATION 4 .1 Technical specifications Performance Riscaldamento (1) Max heating capacity(A7/W35) 6,82 12,53 13,72 18,32 18,32 22,76 22,76 Heating capacity 4,77 7,10 8,10 12,75 12,75 14,61 14,61 Total drawn power * 1,16 1,64 1,79 2,87 2,87 3,19 3,19 4,11 4,33 4,53 4,44... -
Page 52: Operating Limits
4 .2 Operating limits External temperature (°C) PDC off. Heating by means of resistor, boiler or solar Heating and hot water mode integrator. Cooling mode Hot water tank temperature (°C) Output water temperature (°C) Integration by resistor or boiler –20 –25... -
Page 53: Cooling Performance
Cooling Performance TABLE OF COOLING PERFORMANCE - RATING FREQUENCIES COOLING PERFORMANCE WITH PARTIAL LOADS Dati in raffreddamento Cooling data T. ae = T ambiente esterno T. ae = T external environment T. a = T acqua uscita T. a = T outlet water PF = Potenza frigorifera... - Page 54 TABLE OF COOLING PERFORMANCE - MAXIMUM FREQUENCIES COOLING PERFORMANCE WITH PARTIAL LOADS Dati in raffreddamento Cooling data T. ae = T ambiente esterno T. ae = T external environment T. a = T acqua uscita T. a = T outlet water PF = Potenza frigorifera PF =...
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Page 55: Heating And Hot Water Performance
Performance in heating and sanitary TABLE OF HEATING PERFORMANCE - RATING FREQUENCIES HEATING PERFORMANCE FOR HEAT PUMP T. a T.ae 2,29 0,94 2,43 2,22 1,06 2,09 2,16 1,21 1,78 2,08 1,38 1,51 2,01 1,58 1,27 1,94 1,81 1,07 2,64 0,96 2,75 2,56 1,08... - Page 56 TABLE OF HEATING PERFORMANCE - MAXIMUM FREQUENCIES HEATING PERFORMANCE FOR HEAT PUMP T. a Mod. T.ae 3,27 1,52 2,15 3,17 1,71 1,85 3,08 1,95 1,58 2,98 2,23 1,34 2,87 2,55 1,13 3,19 2,92 1,09 3,77 1,55 2,44 3,66 1,74 2,10 3,55 1,98 1,79...
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Page 57: Indoor Unit Dimensions
4 .5 Indoor unit dimensions Model Width (B) Height (A) 2000 2000 2000 2000 2000 2000 2000 Depth (C) Net weight 4 .6 External unit dimensions Modelli Larghezza (B) Altezza (A) 1416 1416 1416 1416 Profondità (C) Peso netto... - Page 64 FAF0FB001BZ.05 11/2019...
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