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CIAT Ereba He Series, Instruction Manual

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CIAT Ereba He Series Instruction Manual Download Page 93

  

EN-93

 

EREBA He

8.5 - Maintenance checks

Date / Hour

 

 

 

 

MAINTENANCE 

CHECKS

Control

Mechanical check

 

 

 

Leakage check

 

 

 

 

Relief valve check

 

 

 

 

Electrical connection check

 

 

 

 

Freeze protection

Water freeze protection check

 

 

 

 

Add glycol in water (%)

 

 

 

Cleaning

Coil cleaning

 

 

 

 

Water filter cleaning

 

 

 

 

Comments: 

8 - START-UP CHECKLIST FOR EREBA He HEAT PUMPS (USE FOR JOB FILE)

Summary of Contents for Ereba He Series

Page 1: ...Instruction manual 05 2019 10195 Inverter Reversible Air to Water Heat Pumps EREBA He...

Page 2: ...6 Commissioning modes 32 2 7 Check before start the unit 32 3 INSTALLATION OF SYSTEM 33 3 1 General customer electrical connection on terminal block 33 3 2 First step of configuration Setting the tim...

Page 3: ...or main pump 69 Table 8 Different control logic for additional pump 69 Table 9 Alarms listing 80 5 MAINTENANCE 75 5 1 Standard maintenance 75 5 2 Tightening torques for the main electrical connections...

Page 4: ...e 14 Standard installation with DHW production 40 Figure 15 Electrical connection on terminal block for DHW production 41 Figure 16 Standard installation with boiler 44 Figure 17 Electrical connection...

Page 5: ...floor Heating WUI User Interface Wall mounted User Interface Control Configuration Legend Steps Table Par Designation Description Range Default Ex Unit Numberof parameter Value by Default of parameter...

Page 6: ...Hot Water Electrical Heater one stage used to backup DHW when condtions are out of heat pump map DHW T Domestic Hot Water Tank Field supplied DHW S Domestic Hot Water Sensor Accessory to mount on top...

Page 7: ...out a leak tightness check If damage is detected upon receipt and before signature immediately file a claim with the shipping company This appliance can be used by children aged from 8 years and above...

Page 8: ...by manufacturers We recommend that you consult your appropriate national trade association or the owner of the equipment or components under pressure declaration re qualification retesting etc The cha...

Page 9: ...serving applicable standards e g during draining operations The unit must be switched off while this is done During any handling maintenance and service operations the qualified technician working on...

Page 10: ...recovery for recycling regeneration or destruction is at customer charge 7 Periodic leak tests have to be carried out by the customer or by third parties The EU regulation set the periodicity here af...

Page 11: ...tion parts must be maintained by the personnel in charge to avoid deterioration and injury Faults and leaks must be repaired immediately The authorized technician must have the responsibility to repai...

Page 12: ...nd oil charging removal and purging devices All these devices are provided with the units Refer to the certified dimensional drawings for the units It is dangerous and illegal to re use disposable non...

Page 13: ...rvention on the refrigerant circuit the complete refrigerantchargemustberecovered 1 3 Preliminary checks Check equipment received Inspect the unit for damage or missing parts If damage is detected or...

Page 14: ...L a b c EREBA He A B C D E F G H L masse kg 5_1Ph 908 821 326 350 87 356 466 40 60 57 7_1Ph 908 821 326 350 87 356 466 40 60 69 11_1Ph 908 1363 326 350 169 645 744 43 73 115 15_1Ph 908 1363 326 350 16...

Page 15: ...nsure the correct air flow on air heat exchanger 1 150 500 1000 1000 150 150 300 300 300 200 1000 300 200 300 1000 0 0 0 2 0 0 5 1 0 0 0 1 200 300 150 200 0 0 3 0 5 1 500 1000 150 1 Anticipate differe...

Page 16: ...with ISO 4871 with an associated uncertainty of 3dB A Measured in accordance with ISO 9614 1 and certified by Eurovent 3 IndBref20 Pa A weighting DeclareddualnumbernoiseemissionvaluesinaccordancewithI...

Page 17: ...EN 17 EREBA He 1 INTRODUCTION 1 5 3 Inside view Electrical box 5 7 kW unit 1 Ph 1 11 15 kW unit 1 Ph 11 15 kW unit 3 Ph 1 1 1...

Page 18: ...ling increasing reliability play the roule of hydraulic separation to improve the control of water flow rate and water temperature in the system and finally increase thermal inertia during defrost and...

Page 19: ...e Earthquake resistance has not been verified Only use slings at the designated lifting points refer to Figure 2 to offload the unit Before siting the unit check that the permitted loading at the site...

Page 20: ...Do not tilt a unit more than 15 Never push or lever on any of the enclosure panels of the unit Only the base of the unit frame is designed to withstand such stresses If a unit includes a hydraulic mo...

Page 21: ...s to prevent the deliberate removal of refrigerant gases Verify the installation of connections Verify the supports and fixing elements materials routing and connection Verify the quality of welds and...

Page 22: ...are field supplied Charging and removing heat exchange fluids should be done with devices that must be included on the water circuit by the installer Never use the unit heat exchangers to add heat ex...

Page 23: ...e heat exchange circuit with regard to the design operating pressures The products that may be added for thermal insulation of the containers during the water piping connection procedure must be chemi...

Page 24: ...uid water or brine Please refer to the examples below Good Bad Bad Good 2 3 4 Maximum water loop volume Units with hydraulic module incorporate an expansion tank that limits the water loop volume The...

Page 25: ...ature probe e Circulation pump f Plug to unblock the seizing pump g Expansion vessel h Entering water temperature probe Minimum and maximum pressures necessary in the hydraulic circuit for correct ope...

Page 26: ...ions applicable to each installation site The following is only to be used as a guideline and does not make Manufacturer in any way liable After wire sizing has been completed using the certified dime...

Page 27: ...protection is the responsibility of the installer and depends on the characteristics and regulations applicable to each installation site The following is only to be used as a guideline and does not...

Page 28: ...s of the EREBAHe units have been sized to allow the hydraulic modules to cover all possible configurations based on the specific installation conditions i e for various temperature differences between...

Page 29: ...vent air from the circuit Water flow control procedure 1 When the circuit is cleaned and purged activate the pump in quick test mode 1 and read the pressures at the pressure gauges entering water pres...

Page 30: ...e the min pump speed to allow closure of flow switch Variable speed pump control on adjustable constant speed and control on T QCK_ TEST 321 Quick Test enable To determine the minimum pump speed in fu...

Page 31: ...5 10 5 0 0 0 1 0 2 0 3 0 4 0 5 a b c Water flow rate l s Available static pressure kPa EREBA He 7 kW Water flow rate l s Available static pressure kPa a b c 70 75 65 60 55 50 45 40 35 30 25 20 15 10 5...

Page 32: ...ovided to allow service connection 2 7 Check before start the unit Never be tempted to start the heat pump without reading fully and understanding the operating instructions and without having carried...

Page 33: ...DO 08 Customized DO 09 Customized DI 06 Customized DI 07 Customized DI 08 Customized DI 05 Customized Ground Sensor AI 01 DHW Tank Temperature Sensor AI 02 Chiller water System Temperature Sensor AI...

Page 34: ...r interface on the unit it is necessary to use Customer communication bus Proprietary Protocol or Jbus to configure the unit To access the time configuration menu press and hold the Schedule key for 2...

Page 35: ...nds The password screen is displayed Figure 11 Password screen Enter the password 0120 To change the number press the Up or Down key or To validate each number press the Schedule key To validate the p...

Page 36: ...4 To exit the parameter menu Press and hold the Occupancy key until the home screen is displayed 3 4 Installation with electrical booster heaters This installation could be composed of EREBA He With...

Page 37: ...llation Figure 12 Standard installation with electrical booster heaters OAT T Acc Radiators heating only Heating or cooling oor Unit 01 NHC Acc WUI 116 EH2 EH1 Fan Coil Add EXP T EH Boiler A A DUO Hyd...

Page 38: ...08 Customized DO 09 Customized DI 06 Customized DI 07 Customized DI 08 Customized DI 05 Customized Ground Sensor AI 01 DHW Tank Temperature Sensor AI 02 Chiller water System Temperature Sensor AI 03...

Page 39: ...Disabled 10 Electrical heat stage 2 11 Electrical heat stage 3 1 to 9 and 12 not used for this configuration 0 to 12 1 10 3 Advanced settings Pump configuration PMP_ CONF 563 Anti sticking function T...

Page 40: ...STEM 3 5 1 Standard installation Figure 14 Standard installation with DHW production OAT T Acc Unit 01 NHC Acc WUI 116 Radiators heating only OR Heating Cooling oor OR Fan Coil EH3 AB A B DHW V Add EX...

Page 41: ...EN 41 EREBA He 3 5 2 Electrical connection Figure 15 Electrical connection on terminal block for DHW production 3 INSTALLATION OF SYSTEM...

Page 42: ...this configuration 1 to 10 0 5 604 Booster OAT Threshold The booster heating is allowed to run if OAT goes below this threshold with 1 K hysteresis 20 0 to 15 0 7 0 2 C 5 Configure DHW Schedule DHW_CO...

Page 43: ...ill be started each and every day 3 6 Installation with boiler This installation could be composed of EREBA He With integrated hydraulic kit variable speed With Remote User Interface Cooling Mode Heat...

Page 44: ...LATION OF SYSTEM 3 6 1 Standard installation Figure 16 Standard installation with boiler Radiators heating only Heating or cooling oor Fan Coil OAT T Acc Unit 01 NHC Acc WUI 116 add_pmp Add EXP T De B...

Page 45: ...Eco remote DO 08 Customized DO 09 Customized DI 06 Customized DI 07 Customized DI 08 Customized DI 05 Customized Ground Sensor AI 01 DHW Tank Temperature Sensor AI 02 Chiller water System Temperature...

Page 46: ...e or when DHW Mode is active 2 and 4 not used for this configuration 0 to 4 0 Refer to 4 2 10 Pump configuration If Remote user interface or IAT sensor This parameter defines the Additional Pump funct...

Page 47: ...coils Radiators heating only Heating Cooling oor OR Fan Coil OAT T Acc Unit 01 NHC EH3 AB A B DHW V add_pmp Add EXP T De Coupling Tank A DHW S Acc Acc WU I 12 0 A DUO Hydronic kit A B T Pool heating s...

Page 48: ...O 07 Neutral Neutral 19 20 21 22 23 23 DO 08 Dry contact 5V DI 04 DI 01 DI 02 DI 03 DI 06 DI 07 DI 08 DI 05 DI 09 DI s Grd 4 5 6 7 9 8 10 11 12 13 13 TB X2 DHW S Sensor DHW Priority pulse Off Peak Poo...

Page 49: ...r unit fitted with or without remote user interface No user interface on slave units Cooling Mode Heating Mode according unit type Available accessories if ordered Master Slave leaving water temperatu...

Page 50: ...Standard installation Figure 20 Standard installation with Master Slave example with 3 slaves Acc OAT CHWST Master 01 01 NHC NHC Slave 01 02 NHC Slave 02 03 NHC Slave 03 04 RS 485 T WUI 116 Acc 3 INS...

Page 51: ...Switch remote DI 02 Mode Cool Heat remote DI 03 Normal Eco remote DO 08 Customized DO 09 Customized DI 06 Customized DI 07 Customized DI 08 Customized DI 05 Customized Ground Sensor AI 01 DHW Tank Tem...

Page 52: ...1 4 Compressor Control method choice 751 Cascade Type The cascade type configuration refers to the control of master slave operation 0 Starting Master First then first Slave to last Slave Stopping Las...

Page 53: ...Master unit 2 Individual Water Pump running according to M S Overrall Status Par 229 3 Individual Water Pump stopped if unit is satisfied 0 to 3 2 2 Determine the min pump speed to allow closure of fl...

Page 54: ...this screen it is possible to access all data of Slave 1 parameter menu To finish the commissioning it is necessary to configure setpoint according to the user interface configuration 3 9 Unit with r...

Page 55: ...mode Sleep 10 0 to 0 0 0 0 5 C 403 Heat Away Offset Water offset for heating mode when Occupancy mode Away 10 0 to 0 0 5 0 10 C 586 Cool Clim Curv Select Cooling climatic curve select 1 to 2 0 1 407...

Page 56: ...ver ng valve 14 15 16 17 18 18 19 3 10 2 Control configuration steps Steps Table Par Designation Description Range Default Ex Unit Configure an additional Outdoor air temperature sensor GEN_CONF 511 O...

Page 57: ...Type 0 No User Interface 1 Remote control by contacts or SUI 2 WUI remotely installed in the house 3 WUI locally installed on the unit 0 to 3 0 2 Even if localWUI Check on WUI screen that the unit is...

Page 58: ...e outdoor air temperature has no effect on the temperature set by the control The second control method is based on a climatic curve In this case the water temperature is adjusted in response to chang...

Page 59: ...r all of these three communication methods except when the configuration is described with WUI direct access a WUI control If the unit is fitted with a user interface the mode selection can be done by...

Page 60: ...possible Solar Input Contact When switch is closed then the unit is not allowed to run in Heating or DHW Mode because hot water is produced from a solar source DHW Request Switch from tank When this...

Page 61: ...d Climatic Curves depending on OAT climatic curves already preconfigured in the control logic 2 Fixed Water Setpoint using a fixed value for each occupancy mode 3 Custom Climatic Curve depending on OA...

Page 62: ...Curve Min OAT Max OAT Min Water Temp Max Water Temp Application K1 7 C 20 C 20 C 38 C UFH K2 5 C 20 C 20 C 33 C UFH K3 9 C 20 C 20 C 45 C FCU s K4 8 C 20 C 40 C 50 C FCU s K5 5 C 20 C 40 C 55 C Radiat...

Page 63: ...t P407 5 to 18 C Cool Sleep Setpoint Cool Sleep Offset P408 0 to 10 C Cool Away Setpoint Cool Away Offset P409 0 to 10 C HEATING WUI Occupancy Water setpoint on WUI direct access Range Water setpoint...

Page 64: ...0 30 20 10 0 10 20 30 WSP C OAT C Default min max P583 P582 P585 P584 If OAT is invalid the Water Setpoint is equal to the Custom Max Water Temp P585 If OAT is above the current Maximum OAT threshold...

Page 65: ...nute every 15 minutes at maximum speed If OAT goes below AntiFreezeDeltaSetpoint 1 P517 6 C and EWT or LWT goes below AntiFreezeDeltaSetpoint 1 P517 4 C the pump runs continuously at maximum speed A 1...

Page 66: ...nsor are part of frost protection If piping trace heaters are used ensure the external heaters do not affect the measurement of these sensors Please note that water freeze protection and home anti fre...

Page 67: ...g bacteria Legionella will not survive if the temperature is above 50 C The risk of contamination is practically non existent when the water temperature is set to 60 C Water tank protection settings T...

Page 68: ...tor is started first when system demand decreases capacity the unit with the highest wear factor is stopped first Simultaneously All units are started and stopped at the same time Compressor frequency...

Page 69: ...Off Off N A N A N A Always On Off On On On N A N A N A According to Space Temp Off According to IAT vs Air Setpoint On On N A N A N A Always On but Off when DHW activated Off On On On N A Off N A Acco...

Page 70: ...may reduce the air flow across the coil and impair the performance of the unit To remove the frost from the coil the control initiates the defrost cycle when necessary During the defrost cycle the re...

Page 71: ...10 11 12 13 The Drying Mode will be deactivated after 12 days and the unit will switch to Off Mode Steps Table Par Designation Description Range Default Ex Unit Configure the number of days in drying...

Page 72: ...LWT P004 EWT P003 B C D A F PMP P084 FLOW_SW P105 V f E A 1 1 tl and lwr_fan only for 11 and 15 kW units 2 P024 and P027 only for 11 and 15 kW units Water side legend Label Description A Water Pump M...

Page 73: ...ciency Pa 51 Nominal speed rpm 847 Product 11 15 kW Specific ratio 1 002 Relevant information to facilitate the disassembly recycling or removal of the product at the end of the life See Maintenance M...

Page 74: ...t follow local professional recommendations Regularly check for possible presence of impurities e g silicon grains in the heat exchange fluids These impurities maybe the cause of the wear or corrosion...

Page 75: ...revention of major time consuming and costly interventions protection of the environment There are five maintenance levels for HVAC units as defined by the AFNOR X60 010 standard NOTE Any deviation or...

Page 76: ...n garments compliance with all industry regulations compliance with applicable local regulations and using common sense 5 1 3 Level 3 or higher maintenance The maintenance at this level requires speci...

Page 77: ...y every three months will prevent 2 3 of the corrosion problems 5 4 Water heat exchanger maintenance Check that the insulating foam is intact and securely in place the BPHE and piping electric heaters...

Page 78: ...29 1734 60 3706 1 674 30 1781 61 3789 0 700 31 1830 62 3874 1 726 32 1880 63 3961 2 752 33 1930 64 4049 3 779 34 1981 65 4138 4 807 35 2034 66 4229 5 835 36 2087 67 4322 6 864 37 2142 68 4416 7 894 38...

Page 79: ...egend D800 Yellow D801 Yellow D802 Yellow D803 Yellow D804 Yellow D805 Green Previous error SW803 Go off Go on Flash Display 1 Initial display Display 2 SW800 operation Error contents Normal Discharge...

Page 80: ...er Air Exchanger Temperature TE sensor failure Cpr stop X Error becomes definite after retrying operationfor 4 times 1 Check temp sensor TE 103 12 Inverter Liquid Temperature TL sensor failure Cpr sto...

Page 81: ...3 Compressor motor control failure 1 Check power supply voltage 2 Overload operation of refrigerating cycle 130 65 Compressor lock Cpr stop X Error becomes definite after retrying operation for 8 tim...

Page 82: ...ion is correct 92 Wrong unit size for this brand Stop X Automatic when configuration is correct 93 Wrong supply type Stop X Automatic when configuration is correct 94 Wrong mounting type Stop X Automa...

Page 83: ...sh Superheat Temperature 1 10 K RO RO GENUNIT 016 510CH sh_targ Superheat Target Temp 1 10 K RO RO GENUNIT 017 dc_volt Inverter DC High Voltage V RO RO GENUNIT 018 hv_stat HV Bus Comm Status 0 1 Norma...

Page 84: ...0 1 Open Close RO RO F PMP_STAT OR INPUT 106 CUST_DI5 Customized DI 5 Status 0 1 Open Close RO RO F INPUT 107 CUST_DI6 Customized DI 6 Status 0 1 Open Close RO RO F INPUT 108 CUST_DI7 Customized DI 7...

Page 85: ...8 cdu_amp CDU Current mA RO RO Inverter 311 def_ovr Defrost Override 4 to 32 0 DEF_STAT 312 def_dt0m Ref Defrost DeltaT MD 0 to 30 K DEF_STAT 313 DEF_DT0 Ref Defrost DeltaT 0 to 30 K DEF_STAT 314 def_...

Page 86: ...s setpoint 0 Unit stopped satisfied 1 Minimum allowed frequency 100 Maximum allowed frequency 0 to 100 0 RO RO F AQUASMRT 401 9C92H hwoccstp Heat Home Setpoint Water 20 0 to 60 0 45 1 10 C RW RW WAT_S...

Page 87: ...lim Pool Heating Limitation 50 to 100 70 RW RW CMP_CONF 560 flui_typ Fluid Type 1 to 2 1 RW RW PMP_CONF 561 pmp_ext External Main Pump Ctrl 0 1 No Yes 0 No RW RW PMP_CONF 562 4FF4H flw_chko Flow Check...

Page 88: ...9 to 100 100 RW RW DHW_CONF 711 dhw_dow DHW Schedule Days 0000 0000 to 1111 1110 1111 1110 RW RW DHW_CONF 712 dhw_strt DHW Starting Time 00 00 to 23 59 21 00 hh mm RW RW DHW_CONF 713 dhw_stop DHW Stop...

Page 89: ...p Pool Heating Setpoint 20 to 35 28 1 10 C RW RW POOLCONF 775 pool_dow Pool Heating Schedule 00000000 to 11111110 00000000 RW RW POOLCONF 776 poolstrt Pool Heating Start Time 00 00 to 23 59 10 00 hh m...

Page 90: ...put 0 2 kWh pulse 14 or 14 Energy Meter Input 0 1 kWh pulse 15 or 15 External Alarm Indication Positive value correspond to Normally Open contact Negative value correspond to Normally Closed contact 5...

Page 91: ...er Model number Serial number 8 2 Available options and accessories Options Yes No Italcoat coil protection Accessories Yes No Hydraulic Tubes Rubber Cushion Floor heating thermal cut off Backup heate...

Page 92: ...n Water pump control has been properly interlocked with the heat pump Unit has been leak checked including fittings Locate repair and report any refrigerant leak All incoming power voltage is within r...

Page 93: ...ontrol Mechanical check Leakage check Relief valve check Electrical connection check Freeze protection Water freeze protection check Add glycol in water Cleaning Coil cleaning Water filter cleaning Co...

Page 94: ......

Page 95: ......

Page 96: ...strielle d Applications Thermiques Corporation with a capital of 26 728 480 R C S Bourg en Bresse B 545 620 114 Non contractual document As part of our continuous drive to improve our products CIAT re...

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