Fujitsu WATERSTAGE 112 Installation And Operating Manual Download Page 48

Page: 48 / 60

Configuration 3 :
2 heating circuits

CC2

VM1

CC1

SA2

SA1

K2c

SDp1

CAR

Overall hydraulic layout

CC2

VM1

CC1

SA2

SA1

K2c

SDp1

AVS

Overview of all the electrical connections

Legend

CAR

- Non-return valve.

CC1

- Heating circulation pump, Circuit 1

(Remote heat pump circulation pump).

CC2

- Heating circulation pump, Circuit 2.

K2c

- 2

circuit kit.

- Radiators (or fan convectors).

SA1

- Room thermostat, Circuit 1 (option).

SA2

- Room thermostat, Circuit 2 (option).

- Outdoor sensor.

SDp1

- Flow sensor, Circuit 1.

- Heated floor thermal safety fuse.

VM1

- Mixer valve, Circuit 1.

See detailed instructions

page 44

Installation and operating manual "1364 - EN"

Heat pump split single service 3 phase

- 48 -

Summary of Contents for WATERSTAGE 112

Page 1: ... To be saved for future consultation Heat pump air water split single service 3 phase Document n 1364 3 29 01 2010 FR EN IT NL DE Fujitsu General Euro GmbH Werftstrasse 20 40549 Düsseldorf Germany Subject to modifications without notice Non contractual document ...

Page 2: ...the flared connections 17 Filling the installation with gas 19 Creating a vacuum and filling the refrigeration connections with gas 19 Sealing test 19 Additional charge 20 Pump down Refrigerant collecting operation 20 Connecting the heating circuit hydraulically 21 General 21 Rinsing out the installation 21 Filling and purging the installation 21 Electrical connections 22 Characteristic of the ele...

Page 3: ...ectric back ups 45 Hydraulic connections 45 Electrical connections 45 Parametering the setting 45 Higher temperature radiators 45 Special cases 45 Electrical wiring diagrams 50 Troubleshooting 52 Information display 52 Faults displayed on hydraulic unit 53 Faults displayed on the outdoor unit 54 Quick start procedure 55 Start up 55 Start up check list 55 Defore starting up 55 Starting up 56 Settin...

Page 4: ...t UTW KZSXA for connecting 2 heating circuits DHW kit UTW KDWXA for connecting a DHW tank with built in electrical backups Boiler connection kit UTW KBSXA for connecting a boiler to the heat pump Room thermostat UTW C55XA for correcting the ambient temperature Room control unit UTW C75XA for correcting the ambient temperature and programming the heat pump Cooling kit UTW KCLXA Swimming pool kit UT...

Page 5: ...ding to the heating requirements This technology enables you to save on energy and operate on a three phases power supply whatever the heat pump s output by avoiding heavy intensities on start up COP coefficient of performance This is the relationship between the energy transmitted to the heating circuit and electrical energy consumed Figure 1 Heat pump operating principle Ev Dt Cn Cp 1 kW COP 4 4...

Page 6: ...ydraulic system flow rate 4 C Dt 8 C nominal conditions minimum l h 1200 1500 1700 maximum l h 2400 3000 3400 Various Weight of outdoor unit kg 99 99 99 Noise level at 1 meter outdoor unit dB 53 55 56 Weight of hydraulic unit empty full of water kg 53 53 53 Water capacity of the hydraulic unit l 25 25 25 Heating system operating limits Exterior temp mini maxi C 20 35 20 35 20 35 Initial max heatin...

Page 7: ...gure 2 Dimensions in mm Figure 3 Dimensions in mm Hydraulic unit Heating flow ø M 26x34 Heating return ø M 26x34 Front view Side view Overflow hole ø 20 4 holes ø 10 Bottom view Front view Top view Side view Installation and operating manual 1364 EN 7 Heat pump split single service 3 phase ...

Page 8: ...0 80 90 100 C Outdoor sensor QAC34 Heat pump return sensor Heat pump flow sensor Figure 5 Ohmic values of the sensors Hydraulic unit Figure 6 Ohmic values of the sensors outdoor unit 20 10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 10000 1000 100 10 1 Compressor casing Discharge Condensation Evaporator outlet Evaporator center Outdoor Temperature C Ohmic value kΩ 1mbar 10 mmCE 100 Pa Installatio...

Page 9: ... absorbed Power kW Power kW Power kW Outside temperature C Outside temperature C Outside temperature C Low temperature radiator 45 C Low temperature radiator 45 C Low temperature radiator 45 C Classicradiator 60 C Classic radiator 60 C Classic radiator 60 C 1 4 Heating power curve Values according to standard EN 14511 for which it is necessary to add the power absorbed by the heating circulation p...

Page 10: ...terminal blocks power and interconnection 6 Refrigerant accumulator bottle 7 Four way valve 8 Anti corrosion treated bodywork 9 Hidden behind the inverter control module Electric expansion valve for main circuit 10 Noise and temperature insulated inverter compressor with liquid injection port 11 Refrigeration connection valves flared connectors with protective caps 12 Holding tank with condensate ...

Page 11: ...tion of the DHW circulation pump Control of swimming pool heating Managing the cooling Protection functions Anti legionella cycle for domestic hot water If the heat pump is equipped with optional equipment and the associated kits Domestic hot water DHW operating principle Two domestic hot water DHW temperatures can be parametered comfort temperature line 1610 to 60 C and reduced temperature line 1...

Page 12: ... The choice of the position for installation is particularly important insofar as any later movement is a delicate operation requiring the intervention of a qualified person Choose the site of the outdoor unit and the hydraulic unit after discussion with the customer Observe the maximum and minimum distances between the hydraulic unit and the outdoor unit figure 17 page 16 the guarantee of the per...

Page 13: ...sturb the surrounding area or users noise level draught generated low temperature of the air being blown out with the risk of freezing plants in its path The surface supporting the outdoor unit should be permeable soil gravel etc support its weight easily provide a solid fixing and not transmit any vibration to the dwelling Anti vibratory blocks are available please consult your retailer 1000 mm o...

Page 14: ...rs provided B to block the opening of the condensate tank Allow for the condensate to flow away under the force of gravity waste water rain water gravel bed If the installation is made in an area where the temperature can be lower than 0 C for a long period provide the drain pipe with a trace resistance to avoid it icing up The trace resistance must heat not only the pipe but also the bottom of th...

Page 15: ... not therefore be installed in a potentially explosive atmosphere 2 5 2 Positioning the hydraulic unit Remove the front panel 2 screws A figure 14 Remove the sides 4 screws B figure 15 Fix the support solidly 3 screws and plugs to a flat hard wearing wall not a light partition ensuring that it is correctly levelled Hook the appliance onto its support Refit the sides Refit the front panel 200 mm 10...

Page 16: ...20 mm if the humidity exceeds 80 If the recommended thicknesses are not observed under the conditions described above condensation will form on the surface of the insulation material Lastly take care to use insulating sleeves whose thermal conductivity is 0 045 W mK or less when the temperature is 20 C The insulation must be impermeable to resist the passage of steam during the defrosting cycles f...

Page 17: ...er 90 Never bend pipes more than 3 times in the same position otherwise traces of fracturing may appear from strain hardening the metal 2 6 5 Connecting the flared connections The small pipe must always be connected before the large one Takeparticularcarepositioningthetubeopposite its connector so as not to risk damaging the threads A carefully aligned connector can be fitted easily by hand withou...

Page 18: ...5 8 D1 5 8 5 8 Liquid 3 8 D2 3 8 3 8 Figure 20 Connecting the flared connections Liquid valve Gas valve Flare nut Flare nut Flare nut Flare nut Liquid refrigeration connection diameter D2 Gas refrigeration connection diameter D1 Installation and operating manual 1364 EN Heat pump split single service 3 phase 18 ...

Page 19: ...m pump stops the circuit is considered to be gas tight Remove the access plugs A from the valve controls If an additional charge is requires add the additional charge before filling the hydraulic unit with gas Please refer to the section Additional charge page 20 First of all fully open the small valve and then the large one using a hex key counterclockwise direction without forcing excessively ag...

Page 20: ...lic unit defined in figure 17 If the distances are greater an additional charge of R410A is required The additional charge depends on the distance between the outdoor unit and the hydraulic unit for each type of appliance The additional charge of R410A must necessarily be made by an approved refrigeration engineer Example of additional charge An outdoor unit 17 m away from the hydraulic unit will ...

Page 21: ...ater does not become aggressive 2 8 2 Rinsing out the installation Before connecting the hydraulic unit to the installation rinse out the heating system correctly to eliminate any particles that may affect the appliance s correct operation Do not use solvents or aromatic hydrocarbons petrol paraffin etc In the case of an old installation provide a sufficiently large decanting pot with a drain on t...

Page 22: ... Earth and Earth bonding continuity are essential Connecting to screw terminals Rigid wires A figure 27 Rigid wires are always preferable for fixed installations particularly in a building Always select a wire that complies with the prevailing standards Strip away around 25 mm from the end of the wire With round end pliers form a loop with a diameter corresponding to the tightening screws on the t...

Page 23: ...cal back ups installed in a heat exchange cylinder Electric back ups Power supply to the electrical back ups Model Power Nominal intensity Cable connection Phase Neutral Earth Curve C circuit breaker size A 9 kW 13 A 4 x 2 5 mm 20 A Outdoor sensor room thermostat and room control unit For the outdoor sensor use a 2 x 0 75 mm cable For the room thermostat use a 2 x 0 5 mm telephone type cable For t...

Page 24: ...late Figure 31 Access to outdoor unit s terminal block Remove the screws and push downwards Front panel Terminal block Figure 32 Finalisation of connection to outdoor unit Cable clamps Cables supply and interconnection Front Underneath Lateral side Back Figure 33 Location of electrical cables and refrigeration connections to outdoor unit Figure 34 Connections to outdoor unit s terminal block Termi...

Page 25: ...et Power Power relay DHW Do not place the sensor lines and the sector supply lines in parallel in order to avoid causing inadvertent interference due to voltage points in the sector supply Ensure that all the electrical cables are housed in the spaces provided for this purpose inside the lifting handles A1 A2 A3 B1 B2 B3 Rearmament Safety thermostat Figure 36 Access to reset the safety thermostat ...

Page 26: ...intended to reduce electrical consumption when this is too high compared to the contract with the power provider Connect the power limiting device to input EX4 the back ups for the heat pump and the DHW stop in the event of over consumption by the dwelling 230 V on input EX4 power limitation in progress Basic setting Modification possible line 5987 menu Configuration Operating line 2920 External f...

Page 27: ... seals in the constructions are often translated into cold air blowing through the electrical conduits Lag the electrical conduits if there is a cold draught on the back of the IR sensor Installation equipped with two room thermostats Connect each of the sensors to one of the CL or CL terminals on the heat pump control board using the connector supplied Installation equipped with a room thermostat...

Page 28: ...ating system uses an average initial outdoor temperature of 0 C and requires some time to update this temperature To mitigate this situation the sensor must be connected correctly Re initialise parameter 8703 implementation level consumer diagnostic menu 2 13 Configuring the room thermostat To configure the room thermostat and connect it to the appropriate heating zone Hold down the presence key f...

Page 29: ...ng programme Summer winter mode switchover is automatic Constant comfort temperature Constant reduced temperature Stand by mode with anti frost protection Provided that the heat pump s electrical power supply is not interrupted 6 Information display Various data please see page 52 Reading error codes please see page 53 Information concerning maintenance special mode 7 Confirm OK Input into the sel...

Page 30: ...rature on the initial heating temperature variations The higher the slope the more a slight reduction in the outdoor temperature causes a significant increase in the initial water temperature in the heating circuit The off set in the temperature control parameter 721 alters the initial temperature of all the curves without altering the slope figure 42 The corrective actions in the case of any inco...

Page 31: ...No correction No correction OK OK OK OK OK OK Cold Cold Cold Cold Cold Hot Hot Hot Hot Hot Hot Cold No correction Corrective actions on the temperature control Figure 43 Corrective actions in the case of discomfort Figure 41 Heating curve slope line 720 Heating flow temperature C Outdoor temperature C Figure 42 Off set of the heating curve line 721 40 50 60 70 20 15 10 5 5 10 4 5 4 5 20 0 10 30 0 ...

Page 32: ... Minutes 00 00 23 59 1 2 U Day Month 01 01 31 12 1 3 U Year 1900 2099 1 5 S Start of summer time Day Month 01 01 31 12 1 25 03 6 S End of summer time Day Month 01 01 31 12 1 25 10 The change of hour will appear at 3 00 am first Sunday after the regulated date User interface 20 U Language English Français Italiano Nederlands English 22 S Info Temporary Permanent Temporary 26 S Operation locking On ...

Page 33: ... with the 2nd circuit kit option 520 U Pre selection Day Week Mon Sun Mon Fri Sat Sun Monday Tuesday Mon Sun 521 U 1st phase On start 00 00 10 min 6 00 522 U 1st phase Off end 00 00 10 min 22 00 523 U 2nd phase On start 00 00 10 min 524 U 2nd phase Off end 00 00 10 min 525 U 3rd phase On start 00 00 10 min 526 U 3rd phase Off end 00 00 10 min 536 U Default values Circuit 2 No Yes No Yes OK The Def...

Page 34: ...n Reduced Frost protection Heating circuit 1 710 U Comfort heating setpoint from reduced setpoint to 35 C 0 5 C 20 C 712 U Reduced setpoint from frost protection setpoint to comfort setpoint 0 5 C 18 C 714 U Frost protection setpoint from 4 C to reduced setpoint 0 5 C 8 C 716 S Comfort setpoint max 20 C 35 C 1 C 28 C 720 I Heating curve slope See figure 41 0 1 4 0 02 0 5 721 I Heating curve displa...

Page 35: ...al mode enables you to programme your own concrete slab drying time The function ends automatically after 25 days 851 I Floor curing setp manually if line 850 manual 0 95 C 1 C 25 C This function enables you to set the custom concrete slab drying temperature This temperature remains fixed The concrete slab drying programme stops automatically after running for 25 days 856 I Floor curing day curren...

Page 36: ...0 5 C 0 5 C 938 S Mixing valve decrease 0 20 C 1 C 0 C 941 S Actuator running time 30 873 s 1 s 240 s 945 S Mixing valve in heating mode Control Open Control 946 S Lock time dewpoint limiter 10 600 min 10 min 60 min 947 S Flow temp setp incr hygro 1 20 C 1 C 10 C 948 S Flow setp incr start at r h 0 100 1 60 950 S Flow temp diff dewpoint 0 5 C 1 C 2 C 963 S With prim contr system pump No Yes No Bas...

Page 37: ...0 min 1100 S Reduced setp increase start 30 10 C C 1 C 1101 S Reduced setp increase end 30 10 C C 1 C 5 C 1130 S Mixing valve boost 0 50 C 1 C 0 1134 S Actuator running time 30 873 s 1 s 240 s 1150 I Floor curing function figure 44 Off Off Early interruption of the current programme programme inactive Functional heating Heating ready for occupation Functional heating curing heating Curing heating ...

Page 38: ...44 I Legionella funct time 00 00 23 50 If no value is entered no anti legionella cycle has been run 1645 I Legionella funct setpoint 55 C 95 C 65 C 1646 I Legionella funct duration 10 min 360 min 30 1647 I Legionella funct circ pump On Off On 1660 I Release of circulating pump Time program 3 HCP DHW release Time program 4 DHW DHW release Swimming pool Only with swimming pool kit option 2056 U Setp...

Page 39: ... to 12 Do not use for heat pump single service Reserved only for heat pump 2 services 5711 S Cooling circuit 1 Off System with 4 tubes System with 2 tubes Off 5870 S Combi storage tank No Yes No 5987 S Cont type input EX4 Normally closed contact NC Normally opened contact NO NO 5989 S Cont type input EX5 Normally closed contact NC Normally opened contact NO NC 6046 I Function input H2 1 Operating ...

Page 40: ...iler connection when a fault occurs error 370 In the On position the energy costs can be onerous if the error is not eliminated 7142 S Emergency operating function type Manual Automatic Manual Manual Emergency mode is not active when a fault occurs Emergency mode OFF Automatic Emergency mode is active when a fault occurs Emergency mode ON In Automatic position the energy cost can be onerous if the...

Page 41: ...ntact status H2 Open Closed Open 7855 I Contact status H3 Open Closed Open 7914 I Input EX4 0 230 V 0 7915 I Input EX5 0 230 V 0 7916 I Input EX6 0 230 V 0 State 8000 I State heating circuit 1 0 8001 I State heating circuit 2 0 8003 I State DHW 0 8004 I State cooling circuit 1 0 8006 I State heat pump 0 8011 I State swimming pool 0 8022 I State supplementary source 0 8050 I History 1 Time Date Sta...

Page 42: ...the average of the outdoor temperature over a 24 hour period This value is used for automatic Summer Winter switchover line 730 8704 I Outside temp composite 50 50 C The mixed outdoor temperature is a combination of the current outdoor temperature and the average outdoor temperature calculated by the regulator This value is used for calculating the initial temperature 8730 I Heating circuit pump c...

Page 43: ...0 I Common flow temperature 0 140 C Common flow temperature setpoint 0 140 C 0 8957 I Common flow setpoint refrigeration 0 140 C 9031 I Relay output QX1 Off On Off 9032 I Relay output QX2 Off On Off 9033 I Relay output QX3 Off On Off 9034 I Relay output QX4 Off On Off 9035 I Relay output QX5 Off On Off 9036 I Relay output QX6 Off On Off 9037 I Relay output QX7 Off On Off 9050 I Relay output QX21 m...

Page 44: ...pool kit option Please refer to the instructions supplied with the swimming pool kit Configuration Parameter 5700 Type of installation Page Pre setting 1 1 heating circuit 45 Pre setting 2 1 heating circuit and DHW tank 46 Pre setting 3 2 heating circuits 47 Pre setting 4 2 heating circuits and DHW tank 48 Pre setting 5 Boiler connection and 1 heating circuit Please refer to the instructions suppl...

Page 45: ...of a mixed DHW tank Please refer to the instructions supplied with the DHW kit 7 Connect the directional valve to connector QX4 see figure 38 page 27 8 Connect the domestic water sensor to terminal BX1 on the heat pump s control panel see figure 38 page 27 9 Connect the back up resistance to terminal 19 Earth and relay RP EPS to terminals 2 L and 4 N see figure 37 page 26 10 Connect the electrical...

Page 46: ...ayout CC SA SE R SP 1 2 3 6 5 4 20 Overview of all the electrical connections Legend CC Heating circulation pump R Radiators or fan convectors SA Room thermostat option SE Outdoor sensor SP Heated floor thermal safety fuse Installation and operating manual 1364 EN Heat pump split single service 3 phase 46 ...

Page 47: ... Overall hydraulic layout Legend CAR Non return valve AE Electric back up CC Heating circulation pump KS DHW kit R Radiators or fan convectors SA Room thermostat option SE Outdoor sensor SP Heated floor thermal safety fuse SSa DHW sensor VD Distribution valve See detailed instructions on page 44 Installation and operating manual 1364 EN 47 Heat pump split single service 3 phase ...

Page 48: ...ating circulation pump Circuit 1 Remote heat pump circulation pump CC2 Heating circulation pump Circuit 2 K2c 2nd circuit kit R Radiators or fan convectors SA1 Room thermostat Circuit 1 option SA2 Room thermostat Circuit 2 option SE Outdoor sensor SDp1 Flow sensor Circuit 1 SP Heated floor thermal safety fuse VM1 Mixer valve Circuit 1 See detailed instructions on page 44 Installation and operating...

Page 49: ...rn valve CC1 Heating circulation pump Circuit 1 Remote heat pump circulation pump CC2 Heating circulation pump Circuit 2 KS DHW kit K2c 2nd circuit kit R Radiators or fan convectors SA1 Room thermostat Circuit 1 option SA2 Room thermostat Circuit 2 option SE Outdoor sensor SDp1 Flow sensor Circuit 1 SSa DHW sensor SP Heated floor thermal safety fuse VD Distribution valve VM1 Mixer valve Circuit Se...

Page 50: ...ompressor temp Pressure sensor Reactor fan Solenoid coil Solenoid coil Inj Expansion valve coil Fan motor 1 upper Fan motor 2 lower Option connector Fuse Power source 3 phase 400 V Interconnection between the outdoor unit and the hydraulic unit F3 10A 250 V F2 3 15A 250 V F1 5A 250 V Reactors Terminal Compressor Thermistor Heatsink inv Inverter PCB assy Capacitor PCB assy Filter PCB assy P F C PCB...

Page 51: ...1 121 111 221 REL2 REL1 CN1 CN6 CN30 CN7 CN18 CN16 CN22 LED 2 LED 1 BN BK RD RD BK BN RD BK BN RD BK BN Condensation sensor Return sensor Timed fuse 3 15 A 250V Flow sensor Heating circulation pump Safety thermostat Start stop switch Resistance Figure 46 Electrical wiring Hydraulic unit Except installer s connections Installation and operating manual 1364 EN 51 Heat pump split single service 3 pha...

Page 52: ...s State heat pump 8006 State supplementary source 8022 State DHW 8003 State swimming pool 8011 State heating circuit 1 8000 State heating circuit 2 8001 State cooling circuit 1 8004 Outdoor temperature 8700 Room temperature 1 8740 Room setpoint 1 Flow temperature 1 8743 Flow temperature setpoint1 Room temperature 2 8770 Room setpoint 2 Flow temperature 2 8773 Flow temperature setpoint 2 DHW domest...

Page 53: ...ctive filter error PFC error 7 Flashes 1 Flash Discharge thermistor error 7 Flashes 2 Flashes Compressor thermistor error 7 Flashes 3 Flashes Heat exchange thermistor outlet error Heat exchange thermistor intermediate error 7 Flashes 4 Flashes Outdoor thermistor error 7 Flashes 7 Flashes Heat sink thermistor inverter error Heat sink thermistor P F C error 7 Flashes 8 Flashes Expansion valve thermi...

Page 54: ...change thermistor intermediate error 6 Flashes Expansion valve thermistor error 7 Flashes Outdoor temperature thermistor error 8 Flashes Compressor thermistor error 9 Flashes Heat sink thermistor inverter error 10 Flashes Heat sink thermistor P F C error 11 Flashes Discharge temperature protection permanent stoppage 12 Flashes Compressor temperature protection permanent stoppage 13 Flashes Current...

Page 55: ...han default values 710 714 1010 1014 2 Adjust the DHW setpoints if different than default values 1610 1612 3 Start a legionella cycle 1640 1647 4 Perform floor drying 850 857 7 2 Start up check list 7 2 1 Defore starting up Sight checks Outdoor unite see chapiter Installation of the outdoor unit page 12 OK Non compliant Location and fittings condensate evacuation Compliance with distances from obs...

Page 56: ...liant Switching On Initialisation for a few seconds Operation of the pumps Outdoor unit starts after 3 mins Outdoor unit checks OK Non compliant Value Operation of fan s compressor Current measurement After a few minutes measurement of air temp delta Check condensation and evaporation pressure temperature Hydraulic unit checks OK Non compliant Value After 15 mins of operation Primary water temp de...

Page 57: ...imitation DHW tank 5060 heater operation mode fill DHW tank 5061 heater release DHW tank 5870 tank present if DHW kit configuration 561 to 576 time programs prog 4 DHW Setting Description Set to Menus Boiler backup 3700 OT switch on authoris addit gen 3705 swith off delay addit gen Miscellaneous 6046 input H2 function 9 configuration 6100 OT sensor correction configuration 6120 frost protection on...

Page 58: ...nsation C Tank water input temperature C ΔT secondary C Evaporation temperature LP bar C Suction temperature C Overheating C Battery air input temperature C ΔT evaporation C Battery air output temperature C ΔT battery C Hydraulic system of hydraulic unit Secondary system Low temp heating floor Circulator brand Type LT Radiators Circulator brand Type fan coils Domestic hot water tank type Circulato...

Page 59: ...o the user how to check the filling of the heating circuit 8 Instructions for the user Explain to the user how his installation operates in particular the functions of the room thermostat and the programmes accessible to him from the user interface Installation and operating manual 1364 EN 59 Heat pump split single service 3 phase ...

Page 60: ...igeration EN 14511 1 14511 2 14511 3 and 14511 4 To standard XP ENV 12102 Air conditioners heat pumps and dehumidifiers with compressor driven by electric motor Measurement of airborne noise Determination of acoustic power level Complies with Low tension Directive 73 23 CEE under standard NF EN60335 1 Electromagnetic compatibility Diretive 89 336 CEE Directive 98 37 EC Directive for pressurised eq...

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