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8 - CONTROL

 

8.3  

UNIT PARAMETERS

 

The parameters accessible by password or supervision system can be modified only by qualified personnel after having read the spe-
cific manuals of the electronic system and of the supervision protocols. 

Incorrect modifications can cause malfunctioning or damages. 

GROUPE 

ID MNEMONICO  DESCRIPTION 

SET  

PA01 SetpointComfort 

Point 

de 

consigne confort (default) 

PA02 

MaxSet 

Max configurable set, both Eco and Confort 

PA03 

MinSet 

Min configurable set, both Eco and Confort 

PA04 

SetCoolEco 

Standard Set Eco in Cool  

PA05 

SetHeatEco 

Standard Set Eco in Heat  

PA06 

MaxOffsetSet 

Max. correction accepted to the set point from the thermostat 

PA07 

ZonaNeutraComfort 

Neutral zone for the Auto mode in confort 

PA08 ZonaNeutraEco 

Neutral 

zone 

for the Auto mode in Eco 

PA09 

IsteresiHeat 

Thermoregulation hysteresis in Heat 

PA10 

IsteresiAux 

Thermoregulation hysteresis in Heat for Aux 

PA11 IsteresiCool 

Thermoregulation hysteresis in Cool 

PA12 

FBandIsteresiEco 

Value to sum to thermoregulation hysteresis when ECO mode is active 

PA13 

TimerOverride 

Random time between 0 and TimerOverride seconds for step insertion/release 

SORG  

PB01 SetLowSorgHeat  Low 

temperature thereshold source water 

PB02 

SetHiSorgCool 

High temperature thereshold source water 

PB03 

IstLowTempSorg 

Hysteresis for reset of high and low source temperature thereholds  

PB04 

MinApValvSorg 

Min. source valve opening 

PB05 

MaxApValvSorg 

Max. source valve opening 

PB06 

StartApValvSorg 

Percentage of source valve opening at the start up 

PB07 

TStartValvSorg 

Valve opening time at % StartApValvSorg source 

UTIL  

PC03 

VccMinFanCool 

Min voltage applicable to control 0-10 Vdc in Cool 

PC04 VccMaxFanCool 

Max 

voltage 

applicable to control 0-10 Vdc in Cool 

PC05 VccMinFanHeat 

Min 

voltage applicable to control 0-10 Vdc in Heat 

PC06 VccMaxFanHeat 

Max 

voltage 

applicable to control 0-10 Vdc in Heat 

PC07 RitCpDaFan 

Compressor 

activation delay from utility fan start  

PC08 

RitOffFanDaCp 

Delay of utility fan stopping from compressor Off  

PC09 

RitOffFanDaAux 

Delay of utility fan stopping from Off of the aux heater 

PC16 

MinFanAuxOn 

Min percentage of utility fan if Aux=ON 

CNF  

PD05 

SetAllLP 

Low pressure alarm Set point from analogical input 

PD06 

DeltaAllLP 

Hysteresis of low pressure alarm reset from analogical input 

TARA  

PE01 

OffsetAI1 

Setting of AI1 analogical input (Return Temperature I/O ) 

PE02 

OffsetAI2 

Setting of AI2 analogical input (Return Temperature from sensor thermostat) 

PE03 

OffsetAI3 

Setting of AI3 analogical input (Output water Temperature source I/O ) 

PE04 

OffsetAI4 

Setting of AI4 analogical input (Exchanger Temperature treatment coil utility I/O ) 

PE05 

OffsetAI5 

Setting of AI5 analogical input (Electronic thermostatic return Temperature ) 

PE06 

OffsetAI6 

Setting of AI6 analogical input (High/low Pressure ) 

PE07 

OffsetAI7 

Setting of AI7 analogical input (Electronic thermostatic return pressure ) 

PE08 

OffsetAITer 

Setting of the ambient probe analogical input  on thermostat board 

BMS * 

PF01 AddressTh 

ModBus 

address 

of the thermostat (Slave) 

PF02 BaudRateTh 

Serial 

communication 

speed 

for thermostat 0=2400 1=4800 2=9600 3=19200 

PF03 

ParityTh 

Thermostatparity 0=No 1= Odd 2=Even 

PF04 

Address 

ModBus address of the WLHP for the supervisor 

PF05 

BaudRate 

Communication speed of the supervision serial  0=2400 1=4800 2=9600 3=19200 

PF06 

Parity 

Parity of the supervision serial 0=No 1= Odd 2=Even 

U.M. 

°C 

°C 

°C 

°C 

°C 

°C 

°C 

°C 

°C 

°C 

°C 

°C 

sec. 

°C 

°C 

°C 

sec. 

sec. 

sec. 

sec. 

bar 

bar 

°C 

°C 

°C 

°C 

°C 

bar 

bar 

°C 

*

the modification of these parameters makes impossible the communication between thermostat and unit

Summary of Contents for DFO 5 - 9 - 17

Page 1: ...his manual carefully before installing or operating your new air conditioning unit Make sure to save this manual for future reference Installation Operation Manual DFO 5 9 17 R410A 20 AW DFO5 9 17 R41...

Page 2: ...d mainte nance costs for all the life cycle of the system With this manual we want to give you information that are useful in all the phases from the reception to the installation and use until the di...

Page 3: ...l 4 Riception 6 Positioning 7 Water connections 10 Electrical connections 16 Start up 25 Control 26 Maintenance 33 Technical information 36 Residual risks 41 Decommissioning 42 Aeraulic connections 15...

Page 4: ...ration Modification All unit modifications will end the warranty coverage and the manufacturer responsibility Breakdown Malfunction Disable the unit immediately in case of breakdown or malfunction Con...

Page 5: ...rial number It identifies uniquely each machine It identifies specific spare parts for the machine Assistance requests Note data from the serial number label and write them in the chart on side so you...

Page 6: ...ts balance Packing removing Be careful not to damage the unit Recycle and dispose of packing material in conformity with local regulations 2 1 PRELIMINARY INFORMATION 2 2 DELIVERY CONTROL 2 3 HANDLING...

Page 7: ...chnical characteristics etc please refer to the Technical information section Use single protection devices gloves glasses ecc During positioning consider these elements technical spaces required for...

Page 8: ...crew on the tapped bar the spring antivibration device The antibration device must be positioned with the interior threaded downward Insert the flat and notched washer and screw the nut to lock Avoid...

Page 9: ...d curtains or pieces of furniture near doors and windows to the outside on walls crossed by heating chimneys or pipes on external walls 3 POSITIONING 3 6 THERMOSTAT POSITIONING OPTIONAL WALL INSTALLAT...

Page 10: ...veral times 2 Apply additives to prevent corrosion fouling formation of mud and algae 3 Fill the plant 4 Execute leakage test 5 Isolate the pipes to avoid heat dispersions and formation of condensate...

Page 11: ...ate will drain correctly by pouring water into the tray stud The condensate must be dispersed to avoid damages to persons and property RISK OF FREEZE If the unit operates in cooling with external temp...

Page 12: ...hen the water temperature drops below a limit value 2 water side differential pressure switch to control the water flow rate presence 3 relief valve to allow the air to bleed out from the system 4 dra...

Page 13: ...y ON OFF valve for ring with variable flow rate no supply It operates coupling with the cooling circuit when the compressor is stationary the valve remains closed thereby reducing water consumption 4...

Page 14: ...l viewer enables instantaneous reading of the water flow in litres minute The calibration can be easily carried out even by non specialised operators operating on the special control screws It include...

Page 15: ...e air Thermally insulate the ducts and the flanges so as to pre vent loss of energy and condensation build up GRILLES OUTLETS DIFFUSERS Proper distribution of air in the room is essential for ensuring...

Page 16: ...activities Refer to the unit electrical diagram the number of the diagram is shown on the serial number label Verify that the network has characteristics conforming to the data shown on the serial num...

Page 17: ...6 ELECTRICAL CONNECTIONS 6 3 ELECTRIC PANEL SIZES 5 9 ELECTRIC PANEL SIZES 17 X1 X1 A B A B C2...

Page 18: ...ELECTRICAL CONNECTIONS 6 4 CONNECTIONS PERFORMED BY CUSTOMER X1 modulating valve optional ON OFF Valve optional Discharge condensate pump optional Remove the jumper A ELECTRONIC BOARD B TERMINAL BLOC...

Page 19: ...HERMOSTAT CONNECTION 200 Mt The signal and the power supply are taken directly from the built in unit card Power supply taken by the trasformer included in the packaging to connect to the 230 1 50 net...

Page 20: ...6 ELECTRICAL CONNECTIONS 6 8 FAN SPEED FAN SIZES 5 9 It is possible to change the speeds moving the connectors A on the autotransformer A A A...

Page 21: ...6 ELECTRICAL CONNECTIONS A A 6 9 FAN SPEED FAN SIZES 17 It is possible to change the speeds moving the connectors A on the autotransformer...

Page 22: ...ve 13 slave 14 slave 15 slave DP2 ADDRESSING EXAMPLES MASTER dip 1 4 num slave in network dip 7 ON SLAVE dip 1 4 indirizzo 1 15 1 2 3 4 ok 1 2 4 no dip 7 OFF NOT CONNECTD dip 1 4 off DIP 8 hermoregula...

Page 23: ...are not managed The fan at satisfied thermoregulator function 3 4 is active only if 5 6 in OFF DP1 Couple of conductors twisted and shielded Section of conductor 0 22mm2 0 35mm2 Nominal capacity betw...

Page 24: ...6 ELECTRICAL CONNECTIONS...

Page 25: ...connected to the ground plant Check tightening of the conductors the vibrations caused by handling and transport might cause loosing glycol by weight 10 20 30 40 Freezing temperature C 4 9 15 23 Safe...

Page 26: ...functions see the following pages MODE CHANGE AUTO HEAT COOL AUTO The unit heats with a temperature lower than set It cools with a temperature higher than set HEAT The unit heats with a temperature l...

Page 27: ...TTON LOCK UNLOCK Press together for 5 seconds Symbol appears Alarm reset Before resetting an alarm identify and remove the cause that generate it Repeated reset can cause irreversibile damages The sym...

Page 28: ...he fan button Enter the password Press OK Select the group Press OK Scroll the parameters Press OK Set the new value Press OK Select ESC Premere OK Select others parameters or ESC Press OK Initial Scr...

Page 29: ...from point 05 As all the programming is finished select ESC Press OK Select the next day Press OK Repeat from point 04 To exit from the scheduling select ESC Press OK Press OK to program the next day...

Page 30: ...ronic thermostatic return Temperature C 10 High low Pressure bar 11 Electronic thermostatic return pressure bar 12 Thermal load to the source C 13 Read overheating C 14 Current overheating setPoint C...

Page 31: ...x voltage applicable to control 0 10 Vdc in Cool PC05 VccMinFanHeat Min voltage applicable to control 0 10 Vdc in Heat PC06 VccMaxFanHeat Max voltage applicable to control 0 10 Vdc in Heat PC07 RitCpD...

Page 32: ...rm M A E10 Not used M A E11 utility fan protection alarm M A F01 refrigerant protection alarm M A F02 LP alarm from analogical input A A I01 condensate drain alarm A A I02 source flow alarm A M A I03...

Page 33: ...y anti freeze resistances powered It s recommended that the starter after the period of detention is made by a qualified technician especially after seasonal 9 4 STANDBY MODE Accidental contact with t...

Page 34: ...g and replacement of filters are very important in terms of health and hygiene Operation with clogged filters leads to a reduction in the air flow rate resulting in malfunctions and unit shutdowns It...

Page 35: ...r cleaning Check of the fixing and the insulation of the power lead earthing connection check Electric panel cleaning Capacity contactor status terminal closing cable insulation integrity Voltage and...

Page 36: ...ter fittings 1 2 1 2 1 WATER INLET STANDARD UNIT FEMALE 2 WATER OUTLET STANDARD UNIT FEMALE 3 AIR FILTER 4 CONDENSING DRAIN 15 MM 5 ELECTRICAL PANEL 6 POWER INPUT 7 FAN 8 COMPRESSOR 9 DIRECT EXPANSION...

Page 37: ...tings 1 2 1 WATER INLET STANDARD UNIT FEMALE 2 WATER OUTLET STANDARD UNIT FEMALE 3 AIR FILTER 4 CONDENSING DRAIN 15 MM 5 ELECTRICAL PANEL 6 POWER INPUT 7 FAN 8 COMPRESSOR 9 DIRECT EXPANSION EXCHANGER...

Page 38: ...he part related to the pumps and required to overcome the pressure drops for the circulation of the solution inside the exchangers 3 Ambient air 20 C D B Exchanger inlet water temperature 20 C The wat...

Page 39: ...BEEN CALCULATED BY CONSIDERING GENERAL AND NOT SPECIFIC SIZES STANDARD AIR FLOW RATE FAN AVERAGE SPEED NON CRITICAL POSITIONING OF THE UNIT AND CORRECT MAINTENANCE OF THE UNIT ITSELF OPERATION AT FULL...

Page 40: ...el Sound power evel Octave band Hz 63 125 250 500 1000 2000 4000 8000 dB A dB A 5 62 59 53 43 42 34 28 22 35 48 9 65 61 53 44 42 34 28 22 36 49 17 71 65 54 45 42 35 28 23 37 51 Sound levels refer to t...

Page 41: ...ay cause damage to persons things or the unit itself Periodically check that all of the panels are correctly closed and fixed If there is a fire the temperature of the refrigerant could reach values t...

Page 42: ...old electrical and electronic equipment the manufacturer recommends you contact an authorised dealer or an authorised ecological area Professional electrical and electronic equipment must be disposed...

Page 43: ...NOTES...

Page 44: ...NOTES...

Page 45: ...nge without prior notice for product improvement Consult with the sales agency or manufacturer for details AIRWELL RESIDENTIAL SAS 10 rue du Fort de Saint Cyr 78180 Montigny le Bretonneux France www a...

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