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Monobloc Outdoor Unit Service Manual

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8. Operational description

This chapter describes the working circuit and control of Air to Water Heat Pump about the following operations.

8.1.

Basic Operation

8.1.1.

Operation control

Remote controller (WUI)

MonoBloc outdoor unit

Compressor control

1. Purpose

The operation of the Monobloc outdoor unit
are controlled according to user-defined
operating / condition setting.

2. Details

The operation controls include those shown on
the left.

3. Operations

a) An operation condition is selected with the
remote controller.

b) Setting the remote controller button to “ON”
transmits a signal to the NHC PCB.

c) The NHC PCB controls the operations
shown on the left while also controlling the
water 3-way valve, circulation pump, hot water
cylinder
heater, and backup heater.

d) The NHC PCB transmits an operation
instruction to MCC-1599 (interface PCB), and
uses serial signals to transmit and receive the
control status.

e) MCC-1599 performs the operation control
shown on the left while also controlling the
compressor, outdoor fan motor, pulse motor
valve, and 4-way valve.

Selection of
operating condition

Heating: Start/Stop
DHW: Start/Stop
Cooling: Start/Stop

Serial signal:
transmit & receive

Remote controller functions:
i)

Heating – ON/OFF

ii)  DHW ON/OFF
iii)  Cooling ON/OFF
iv)  Setpoint temperature control
v)  Holiday mode
vi)  Alarm display
vii)  Header/follower control
viii) Time & schedule setting

New hydronic

control PCB

(NHC)

Serial signal:
transmit & receive

JBus/Modbus communication

ON / OFF input
Mode (CLG/HTG) input
Comfort/ECO input
Safety switch input

Water flow switch input
User defined input # 1
User defined input # 2
User defined input # 3
User defined input # 4
DHW tank temp. sensor

Chiller water system temp.
sensor

Indoor air temp. (room sensor)

Outdoor air temp. sensor

DHW diverting valve

Electrical heater EH#1 /
boiler ON/OFF

User defined output # 1
User defined output # 2

Variable speed pump-PWM
Additional fixed speed
pump ON / OFF

Main water pump ON/OFF

Compressor control

Monobloc unit control
Inverter frequency control
Waveform synthesis function
Calculation function (Temperature
calculation)
AD conversion function
Rapid heating function
Compressor restart
Delay function
G-Tr overcurrent prevention function
Defrosting operation function

Inverter

Compressor

CDU fan

Td sensor
Ts sensor

Te sensor
To sensor

PMV

4 way valve

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Содержание Estia RUA-CP1701H

Страница 1: ...FILE No EU SVM 17001 3rd Revision July 2019 AIR TO WATER HEAT PUMP Service Manual Monobloc Outdoor Unit Model name RUA CP1701H RUA CP2101H See next page for model naming convention ...

Страница 2: ...or DHW production RBP RTAM1MNR E Additional outdoor ambient temperature sensor Accurate reading of outdoor air temperature RUA CP 170 1 H 8 E E Blank Z 8 Blank FP L H Blank 0 9 170 210 21 0kW Cooling only Series Number 1 1 Series Capacity Based on heating capacity kW 17 0kW Factory option Pump Variable speed pump with Expansion vessel Fixed speed pump with Expansion vessel Pump less type without E...

Страница 3: ...BLOC OUTDOOR UNIT CONTROL 22 6 3 1 MCC 1596 compressor IPDU 22 6 3 2 MCC 1597 fan motor IPDU 22 6 3 3 MCC 1599 interface PCB 23 6 3 4 MCC 1600 noise filter 23 6 3 5 NHC new hydronic PCB 24 6 3 6 Standard acronyms 24 7 REFRIGERATION CYCLE WATER SYSTEM DIAGRAMS 25 7 1 WATER SYSTEM DIAGRAM 25 GLYCOL ANTI FREEZE 26 7 2 REFRIGERATION CYCLE SYSTEM DIAGRAM 27 8 OPERATIONAL DESCRIPTION 30 8 1 BASIC OPERAT...

Страница 4: ...IRMED FIRST 70 9 1 1 Initial check items 70 9 1 2 Check the power supply voltage 70 9 1 3 Check for any miss wiring of the connection cables 70 9 1 4 About the installation of the temperature sensor 70 9 2 NON DEFECTIVE OPERATION PROGRAM OPERATION NO ERROR CODE 70 9 3 OUTLINE OF THE DETERMINATION DIAGRAM 71 9 3 1 Procedure of defect diagnosis 71 9 3 2 How to determine the Alarm on the remote contr...

Страница 5: ...2 21 WATER RELIEF VALVE REPLACEMENT 141 13 REPLACEMENT OF THE SERVICE PC BOARD 142 13 1 INVERTER BOX REPLACEMENT 142 13 2 NHC BOARD REPLACEMENT 143 14 DOWNLOADING NEW SOFTWARE VERSION 144 15 PERIODIC INSPECTION ITEMS 147 15 1 REFRIGERANT CHARGE 147 15 1 1 Refrigerant leak testing 147 15 1 2 Refrigerant charging 147 15 2 CLEANING THE COIL 148 15 2 1 Overview 148 15 2 2 Precautions and recommendatio...

Страница 6: ...R Turn off the power breaker Turn off the power breaker before removing the front panel and cabinet Failure to do so may cause a high voltage electric shock leading to death or injury During an operation the second side circuit of high pressure transmission are applied with a high voltage of 230 V or higher Touching the circuit even with an electrical insulator let alone a bare hand or body causes...

Страница 7: ...s other than the specified refrigerant R410A A mixture of R410A with air or an inappropriate substance causes excessive high pressure inside the refrigerant cycle leading to an injury due to burst failure Check that there is no refrigerant gas leak after the installation is completed If it catches fire of a fan heater a space heater or a stove poisonous gases may be produced Be careful with wiring...

Страница 8: ...inet before making a test run Check after re installation Check that the following are properly performed after re installation 1 The earth wire is properly connected 2 The installation is stable without any tilt or wobbles Failure to check them may cause a fire an electric shock or an injury CAUTION Wear gloves Wear gloves when performing repair Failure to do so may cause an injury when accidenta...

Страница 9: ...auses excessive high pressure inside the refrigerant cycle leading to possible injury due to burst failure Check that no refrigerant gas leaks after the service repair work is completed When installing the unit that contains large amount of refrigerant such as Air to Water Heat Pump take measures to prevent the refrigerant from exceeding the threshold concentration in case it leaks Should leaking ...

Страница 10: ...asy reach Repair the leak detected and charge the circuit with the total R 410a charge as indicated on the unit name plate Charging any refrigerant other than the original charge type R 410a will impair machine operation and can even lead to a destruction of the compressor The compressor operating with this refrigerant type are lubricated with synthetic Polyolester oil POE During refrigerant remov...

Страница 11: ...uit is open to carry out a repair all circuit openings must be plugged if the repair takes longer than 30 minutes This prevents humidity from contaminating the circuit especially the oil If the work is expected to take longer charge the circuit with nitrogen Do not attempt to repair or recondition any safety devices when corrosion or build up of foreign material rust dirt scale etc is found within...

Страница 12: ...speed pump 100 kPa 30 105 40 105 Available static pressure with fixed speed pump kPa 60 190 60 190 Maximum water side operating pressure with pump kPa 300 300 Water connections with fixed or variable speed pump inlet outlet inch 1 1 BSP 1 1 BSP Water connections Pumpless inlet outlet inch 1 1 BSP 1 1 BSP Refrigerant service ports LP HP inch UNF UNF Chassis colour Light Grey RAL 7035 Performance da...

Страница 13: ...lues are guidelines only Refer to unit nameplate 2 In dB ref 10 12W A weighting Declared dual number noise emission values in accordance with ISO 4871 3 In dB ref 20μPa A weighting Declared dual number noise emission values in accordance with ISO 4871 4 Minimum water side operating pressure with fixed speed pump is 50kPa and with variable speed pump is 40kPa Electrical data RUA CP H Full Options R...

Страница 14: ...Monobloc Outdoor Unit Service Manual 13 4 Construction views 4 1 Monobloc outdoor unit 4 2 Remote controller Water inlet Water outlet Safety valve outlet Electrical connections ...

Страница 15: ...Monobloc Outdoor Unit Service Manual 14 4 3 ESTIA hot water cylinder ...

Страница 16: ...W SWITCH CM COMPRESSOR TC TRANSFORMER EH1 HEATER PLATE EXCHANGERS TD DISCHARGE TEMPERATURE SENSOR EH90 HEATER HYDRAULIC PUMP TE HEAT EXCHANGER SENSOR 1 EP90 HYDRAULIC PUMP TL HEAT EXCHANGER SENSOR 2 FM1 FAN MOTOR TO OUTSIDE TEMPERATURE SENSOR FM2 FAN MOTOR TR REFRIGERANT SENSOR FR90 HYDRAULIC PUMP THERMAL RELAY TS SUCTION TEMPERATURE SENSOR FT1 COMPRESSOR CASE THERMOSTAT YV21 2 WAY VALVE COIL PMV1...

Страница 17: ...MIZE DISCRETE INPUT 7 12 CUSTOMIZE DISCRETE INPUT 8 13 GROUND 14 DHW TANK TEMPERATURE TTW 15 CHILLER WATER SYSTEM TEMPERATURE 16 INDOOR AIR TEMPERATURE 17 OUTDOOR AIR TEMPERATURE 18 GROUND 19 DOMESTIC HOT WATER 3 WAY VALVE 20 EHS1 BOILER 21 CUSTOMIZED OUTPUT 8 22 CUSTOMIZED OUTPUT 9 23 NEUTRAL 24 REMOTE CONTROLLER WUI 12V 25 REMOTE CONTROLLER WUI GROUND 26 VARIABLE WATER FLOW CONTROL 27 GROUND 28 ...

Страница 18: ...Monobloc Outdoor Unit Service Manual 17 5 1 3 Wiring Diagram Sheet 6 ...

Страница 19: ...Monobloc Outdoor Unit Service Manual 18 5 1 4 Wiring Diagram Sheet 7 ...

Страница 20: ...Monobloc Outdoor Unit Service Manual 19 5 1 5 Wiring Diagram Sheet 8 ...

Страница 21: ...Monobloc Outdoor Unit Service Manual 20 5 2 General electrical connection 5 3 ESTIA hot water cylinder ...

Страница 22: ...800A Qty 2 parallel Rated volt DC 12V 10 Rated A 0 26A phase 20 C Coil Ω 46 3Ω 9 Fan motor O O B036870H01 Qty 2 Water 10 Water flow switch O O Sika Operating flow rate ON 0 28 l sec Operating flow rate OFF 0 24 l sec Electrical 11 Terminal block TB X2 O O Sensors 12 Discharge temperature sensor td O O 45kΩ 25 C 7kΩ 75 C 13 Heat exchanger sensor 1 te O O 10kΩ 25 C 14 Heat exchanger sensor 2 tl O O ...

Страница 23: ...Monobloc Outdoor Unit Service Manual 22 6 3 Monobloc outdoor unit control 6 3 1 MCC 1596 compressor IPDU 6 3 2 MCC 1597 fan motor IPDU ...

Страница 24: ...Monobloc Outdoor Unit Service Manual 23 6 3 3 MCC 1599 interface PCB 6 3 4 MCC 1600 noise filter ...

Страница 25: ...put water sensor J27 Outputs J9 Input water sensor 6 3 6 Standard acronyms Acronym Meaning Acronym Meaning IAT Indoor air temperature NHC New hydronic control BPHE Brazed plate heat exchanger OAT Outside air temperature CHWS Chiller water system PMV Pulse modulating valve DHW Domestic hot water SHC Space heating cooling control EHS Electrical heater stage TR Refrigerant temperature EWT Entering wa...

Страница 26: ...Monobloc Outdoor Unit Service Manual 25 7 Refrigeration cycle water system diagrams 7 1 Water system diagram Pumpless model Variable fixed speed hydraulic model ...

Страница 27: ...7 Safety valve 19 Mesh filter mandatory for a unit without hydronic kit 8 Pump 20 Pressure gauge 9 Temperature sensor 21 Water drain valve from the plant 10 Brazed Plate Heat Exchanger 22 Water drain valve from refrigerant water exchanger 11 Anti freeze electric heater 23 Charge valve 12 Temperature sensor 24 Buffer tank if required Components provided with unit Note The unit must be protected aga...

Страница 28: ...Monobloc Outdoor Unit Service Manual 27 7 2 Refrigeration cycle system diagram Pumpless models ...

Страница 29: ...Monobloc Outdoor Unit Service Manual 28 Variable fixed speed hydraulic models ...

Страница 30: ... variable speed single pump with an expansion vessel 1 Variable speed rotary compressor 2 2 way solenoid valve warm up on system start 3 Reversing 4 way valve energised in heating mode 4 Brazed plate heat exchanger BPHE 5 Receiver 6 Pulse modulating valve 2 x PMV for 21kW unit 7 Sight glass 8 Dryer filter 9 Air cooled heat exchanger 10 Accumulator 11 High pressure switch 4 15 MPa 12 Pressure safet...

Страница 31: ... valve and 4 way valve Selection of operating condition Heating Start Stop DHW Start Stop Cooling Start Stop Serial signal transmit receive Remote controller functions i Heating ON OFF ii DHW ON OFF iii Cooling ON OFF iv Setpoint temperature control v Holiday mode vi Alarm display vii Header follower control viii Time schedule setting New hydronic control PCB NHC Serial signal transmit receive JBu...

Страница 32: ... 8 1 4 Cooling operation 9 Purpose Cooling 10 Details This section performs cooling operation according to cooling conditions specified for the steps on the left 11 Operations a By selecting COOLING on the remote controller b The NHC PCB starts to transmit a cooling operation signal to the monobloc outdoor unit c The monobloc outdoor unit performs the operation controls shown on the left while als...

Страница 33: ...mption more efficiently When switch is closed then unit shall be stopped as soon as possible Solar Input Switch When this 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 input is closed the Domestic Hot Water production is requested A thermal switch mounted on the Domestic Hot Water...

Страница 34: ...during operation 5 18 Condenser Air Temperature C Minimum Maximum Standard unit 0 46 Heating DHW Cycle Condenser Water Temperature C Minimum Maximum Entering water temperature at start up 10 45 Leaving water temperature during operation 20 60 57 1 Evaporator Air Temperature C Minimum Maximum Standard unit 20 2 30 1 60 C for RUA CP1701H E and 57 C for RUA 2101H E 2 For operation at outdoor ambient ...

Страница 35: ...ected ii Operation mode determination The DHW operation mode is determined according to the temperature of the DHW S sensor Heat pump operation When DHW TT DHW stp dhw dt the heat pump operation is selected When DHW TT DHW_stp 1K the heat pump operation is stopped and the thermostat OFF status is selected iii Operation stop The unit stops the DHW operation or switches to Space Heating if one of th...

Страница 36: ...0 1 60 708 DHW exception time dhw_excp hr 1 24 2 710 DHW mode pump speed dhw_vsp 19 100 100 711 DHW schedule days dhw_dow 0000 0000 to 1111 1110 1111 1110 712 DHW start time dhw_strt hr mm 00 00 23 59 21 00 713 DHW stop time dhw_stop hr mm 00 00 23 59 06 00 716 Summer time OAT threshold sum_oat C 15 0 30 0 20 0 717 Summer mode ON delay sum_on hr 0 12 5 718 Summer mode OFF delay sum_off hr 0 12 5 7...

Страница 37: ...operation is controlled by the system Room Air Temperature and the system Heat Home Setpoint htoccstp P421 The Control Temperature is measured by the leaving water temperature sensor P004 To prevent the system short cycling in heating mode using air temperature control the Air Delta Setpoint deltastp P428 parameter must be set The Heat Home Setpoint htoccstp P421 has to be set for each of the occu...

Страница 38: ...ontrol Temperature CTRL_TMP and the system Control Point CTRL_PNT The Control Temperature is measured by the leaving water temperature sensor LWT P004 To prevent the system short cycling in cooling mode the Water Cool Hysteresis P411 parameter must be set The Control Point CTRL_PNT has to be set for each of the occupancy modes This is achieved by applying an offset to the Control Point CTRL_PNT se...

Страница 39: ...ool hysteresis cw_hyst 0 5 2 0 0 5 521 User interface type ui type 0 3 0 Cooling control using room air temperature The operation of the heating mode is determined by the temperature sensor located inside the remote controller The cooling operation will start when 1 Room Air Temperature Air Set point P421 Air Delta Set point P428 The heating operation will continue until 2 Room Air Temperature Air...

Страница 40: ...splayed on the remote controller The electric heater for the DHW cylinder is allowed to start 2 The system will operate in DHW production mode until DHW_TT CTRL_PNT P406 1K P722 OR until the DHW Maximum Runtime P707 At this point the DHW temperature inside the DHW cylinder will be satisfied and the system will change back to space heating operation NOTE The DHW inside the DHW cylinder will be prod...

Страница 41: ... The electric heater for the DHW cylinder is allowed to start 2 The system will operate in DHW production mode until DHW_TT CTRL_PNT P406 1K P722 OR until the DHW Maximum Runtime P707 At this point the DHW temperature inside the DHW cylinder will be satisfied and the system will change back to space heating operation NOTE The DHW inside the DHW cylinder will be produced using only the electric hea...

Страница 42: ... must be used to turn the boiler ON OFF The relay coil must be rated for 230VAC 50Hz The relay operation is controlled by DO 07 set to back up by oil or gas boiler by setting P601 90 The boiler ON trigger temperature can be adjusted using P514 range 20 0 C 10 0 C default 20 0 C When there is a heating demand AND TO P514 then the heat pump is used to heat up the water in the heating circuit 1 The b...

Страница 43: ...input signal is received from a custom DI set up for the DHW Priority function AND the DHW Exception timer is not timed out The DHW Priority function is OFF when b The DHW Exception timer has timed out Control overview 1 The normal DHW schedule is OFF At this point if there was a DHW demand then the system would not change operating modes to produce DHW 2 When there is a DHW demand and the normal ...

Страница 44: ...en the DHW maximum runtime is ignored 8 2 9 Anti Legionella Control The water inside the domestic water tank must be constantly controlled in order to minimize the risk of any contamination including legionella bacteria Legionella belongs to a group of bacteria that is likely to grow in the water system if proper measures are not taken The system can be scheduled to heat up water in the domestic h...

Страница 45: ...OAT goes below AntiFreezeDeltaSetpoint P517 6 C the pump runs for 1 minute every 15 minutes at maximum speed If OAT goes below AntiFreezeDeltaSetpoint P517 6 C and EWT or LWT goes below AntiFreezeDeltaSetpoint P517 4 C the pump runs continuously at maximum speed A 1K hysteresis is applied to exit these two overrides The electric heaters are controlled as follows The electric heaters are energized ...

Страница 46: ...ult 814 Cooler Heater Type clht_typ 0 No heater 1 Heater on HEX 1 517 Anti Freeze Delta Setpoint clhrstp 0 0 6 0 C 0 0 C 8 2 12 Home Anti freeze protection This control is enabled by the room temperature measurement from the remote controller It is used to maintain a minimum room temperature When the room temperature goes below the pre defined setpoint P427 the unit will run in Booster Heating mod...

Страница 47: ... cannot be guaranteed For this reason the main unit and or customer circuit disconnect switch must always be left closed 8 2 13 Auto climatic curve operation The auto or climatic curve control automatically sets the water temperature set point depending on the outside air temperature OAT Auto curve control is available for both heating and cooling functions There are two types of auto curve availa...

Страница 48: ...ed according to the selected cooling climatic curve Two predefined cooling climatic curves are available Climatic Curve Min OAT Max OAT Min Water Temp Max Water Temp Application K1 20 C 40 C 5 C 10 C FCU s K2 20 C 40 C 10 C 18 C UFC If OAT is invalid not transmitted by the Inverter out of range value etc the Water Setpoint is equal to the current Min Water Temp If OAT is above the current Max OAT ...

Страница 49: ...rve fixed water temperature 0 Custom climatic curve 1 Heating climatic curve 1 12 Heating climatic curve 12 Custom climatic curve If the heating climatic curve ht_curv is configured to 0 the water set point will be calculated according to the custom heating climatic curve This custom heating climatic curve can be defined using the following parameters in the CLIMCURV table Parameters Description D...

Страница 50: ...C 60 C Radiators K7 20 C 20 C 22 C 42 C FCU s K8 20 C 20 C 23 C 55 C Radiators K9 12 7 C 20 C 24 C 60 C Radiators K10 5 9 C 20 C 25 C 60 C Radiators K11 1 5 C 20 C 26 C 60 C Radiators K12 3 5 C 20 C 27 C 60 C Radiators If OAT is invalid not transmitted by the Inverter out of range value etc the Water Setpoint is equal to the current Max Water Temp If OAT is above the current Maximum OAT threshold ...

Страница 51: ...time has elapsed OR The summer switch input using digital inputs DI 05 DI 08 changes status from CLOSED to OPEN Related Parameters for summer mode control Par No Description Range Default 042 Summer mode sum_mode 0 1 0 502 508 Customer switch DI configuration 0 8 0 716 Summer mode OAT threshold sum_oat C 15 0 30 0 20 0 717 Summer mode ON delay sum_ON hr 0 12 5 718 Summer mode OFF delay sum_OFF hr ...

Страница 52: ...actory options All parameter settings P804 required for these options will be completed by the Factory before the Monobloc outdoor unit is dispatched The main pump can be controlled according to the following operating modes and conditions Operating Mode Conditions Action Unit Off Pump is stopped Anti sticking override P563 Pump is running for 2 minutes every 24 hours Low OAT or very low OAT overr...

Страница 53: ...s Par 229 each Header or Follower unit has its own pump 3 Individual Water Pump Pump is stopped when the unit is satisfied No Internal Pump Option pmp_type 0 If no internal main pump is fitted then parameter P804 0 There are 2 control options for the no internal main pump configuration Either the external main pump is not controlled by the unit and External Main Pump Control parameter P561 is set ...

Страница 54: ...ena Maximum pressure at the suction of the pump before the opening of the water relief valve Fixed speed hydronic module 50kPa 0 5 bar 300 kPa 3 bar To ensure the correct and safe operation of the system a minimum water flow rate must be maintained throughout the hydronic circuit If the minimum flow rate is not maintained then the contacts on the flow switch incorporated into the fixed speed pump ...

Страница 55: ...ntrol methods Constant adjustable speed OR Constant T The method of control used for the variable speed hydronic module is set using the Variable Speed Pump Logic parameter P566 Par No Description Range Default 566 Variable speed pump logic vsp_log 0 Adjustable speed control using P568 maximum pump speed 1 speed controlled by water T 0 1 1 Constant adjustable speed logic P566 0 Depending on the hy...

Страница 56: ...eed vsp_min Par No Description Range Default 567 Minimum pump speed vsp_min 19 50 19 Domestic hot water mode When the unit is producing hot water the unit is in DHW mode it is possible to change the speed of the water pump to allow for different surface areas on the DHW cylinder internal heat exchanger The variable speed pump can only be set to constant adjustable speed logic The parameter to conf...

Страница 57: ...ck 0 No 1 Yes 1 Yes Additional pump control external pump locally sourced The RUA CP170 2101H Monobloc units can also control an additional water pump installed in the water circuit P573 is used to configure the system to control and additional external pump The control logic options for an additional external pump are shown below Par No Description Range Default 573 Additional pump logic add_pmp ...

Страница 58: ...reasing flow ON 0 28 l s Setpoint decreasing flow OFF 0 24 l s After 5 retries of start up of pump with the paddle flow switch which stays opened the alarm 32 activates 8 3 Override List To know the override status of unit refer to parameters Capacity override P064 System Mode Override P047 Pump override P081 Backup override P091 8 3 1 SYSTEM MODE OVERRIDE P047 In certain cases the control system ...

Страница 59: ...mum OAT in Heating Heat Mode requested and TO2 is above oat_max parameter P515 default is 30 C max limit is 99 C Do not allow the start or stop unit if already running 41 Maximum EWT in Heating Unit running and EWT is above 59 C 17kW or 56 C 21 kW or unit stopped and EWT is above 52 C 17kW or 49 C 21kW Do not allow the start or stop the compressor if already running 42 Low OAT in Heating Units 17 ...

Страница 60: ...r Chiller21 A 0 1Hz s ramp is applied 70 Water Flow Failure Water is not flowing through the water exchanger Stop compressor 85 Compressor stopped by the Inverter Compressor was running for at least 3 minutes and Inverter stop it Stop compressor control if override is active for more than one minute 90 Booster Heating Booster Heating Mode selected Run compressor at the maximum frequency in Heat Mo...

Страница 61: ...5 minutes 6 Very Low OAT Pump is not running AND OAT MinimumCoolLWT AntiFreezeDeltaSetpoint P517 4K AND EWT or LWT MinimumCoolLWT AntiFreezeDeltaSetpoint P517 1K AntiFreezeDeltaSetpoint is 0 K by default Run the pump continuously at maximum configured speed 7 Defrost active Defrost is active Run the pump at maximum speed 8 Boiler active Boiler active and Compressor is not running Stop the pump 9 D...

Страница 62: ...mp 8 3 4 Backup Override P091 The following table includes all backup overrides with respect to their priority Override Conditions Action 1 Backup Disabled No backup is configured Do nothing 1 Backup running due to Heat Pump low capacity Heat Mode is requested warm up timer is elapsed and setpoint is not satisfied Booster is active 2 Backup running as booster EHS1 is configured as booster P601 and...

Страница 63: ...es Override Conditions Action 1 DHW Disabled DHW is not configured Do nothing 0 No override Unit is running normally in DHW Do nothing 1 DHW not operating Unit is running in Space Heating or Cooling 2 DHW Valve moving DHW Diverting Valve is moving 3 DHW with EH only DHW mode is active with DHW Electrical Heater only 50 Heat Mode not allowed DHW cannot run due to Capacity Override 39 Minimum OAT in...

Страница 64: ...nications 8 4 3 Two way Valve Control The conditions for opening and closing the 2 way valve are shown in the table below 2 way valve Open Conditions 2 way valve Close Condtions Non operation 1 When operation stopped after operating When operation started after operating or when 30 minutes elapsed after opening 2 way valve under conditions 1 2 2 When power placed ON During Cooling Operations 3 Whe...

Страница 65: ...g the power OFF and not operating for a long time also requires application of a current before starting operation in the same manner as the test run Application of current is determined by TD and TO sensors When the TO sensor is defective a backup control is automatically performed by the TE sensor When TO sensor is defective make a determination using the LED display of the outdoor interface boa...

Страница 66: ...essure sensor and it is controlled by PMV opening 8 4 5 1 Superheat of 17kW unit Superheat target on 17kW SHtarget SH0 α Compressor frequency SH0 f 15 15 f 38 4 38 4 f 61 8 61 8 f 85 2 85 2 f Cooling mode 6 6 6 6 6 Heating mode 4 4 4 4 4 8 4 5 2 Superheat of 21kW unit Superheat target on 21kW SHtarget SH0 α Compressor frequency SH0 f 42 42 f 60 60 f 78 78 f 96 96 f Cooling mode 6 6 6 6 6 Heating m...

Страница 67: ...15 minutes after heating operation has started is stored in memory as TE0 A zone Status TE0 TE 3 continues for 20 seconds B zone Defrost operation is performed in this zone when TE0 TE 3 continues for 20 seconds C zone Defrost operation is performed when this zone continues for 20 seconds D zone Defrost operation is performed when this zone continues for 20 seconds 8 4 6 2 Defrost mode on 21kW uni...

Страница 68: ...240 280 380 500 530 610 640 780 780 780 890 21 Upper 240 250 250 300 350 410 470 530 590 640 710 770 810 850 920 Lower 250 280 280 340 400 460 520 580 640 710 760 830 860 920 940 8 4 7 1 Cooling mode Cooling operations of the fans are controlled by a TL sensor TO sensor and the compressor revolution number Control is performed per 1 tap of DC fan control The outdoor fan is controlled by every 1 ta...

Страница 69: ...r revolution number Control from a minimum W1 to a maximum is performed according to the table below Operation is fixed for 3 minutes after start up by a maximum fan tap corresponding to the zones in the table below Thereafter fan control is performed using the temperature from the TE sensor When TE 24 C cont i nue placed in the same state as a normal thermostat OFF without an alarm display The co...

Страница 70: ...Monobloc Outdoor Unit Service Manual 69 ...

Страница 71: ... holder so that the temperature sensing part of the sensor and the straight part of the copper piping are attached with each other tightly If the installation of the sensor is incomplete or the installed position is wrong it will not perform a normal control operation and may cause a defect such as a malfunction of the equipment or an occurrence of an abnormal sound etc 9 2 Non defective operation...

Страница 72: ...oor unit can be performed by the following method 9 3 1 Procedure of defect diagnosis In the case of a defect please apply the following procedure in order to find the defective part 9 3 2 How to determine the Alarm on the remote controller Alarms are used to inform you of the failure of one of the parts of the heat pump or chiller system In the case of an alarm the alarm icon is displayed on the ...

Страница 73: ... Room Sensor failure Access the parameter menu on the remote controller Use the Up Down arrows to select the following alarm parameters Inverter Alarm P344 NHC Current alarm 1 P346 to NHC current alarm 5 P349 NHC Past alarm 1 P350 to NHC past alarm 5 P354 9 3 3 How to cancel a check code If the defect is limited by the check code displayed on the remote controller please repair the defect based on...

Страница 74: ...tables below How to read the LED diagnostic a When all Dip switch of SW 803 are OFF the current status of error which is displayed current alarm b When only DIP switch 1 of SW803 is turned ON the last error generated on unit is displayed past error c If there is an error any LED D800 to D804 goes ON Display 1 d When pushing the pushdown button switch SW800 for approx 1 second the display is exchan...

Страница 75: ...Monobloc Outdoor Unit Service Manual 74 ...

Страница 76: ... failure Continue O Alarm reset by resetting the power supply to the Monobloc unit Unit operation continues in backup mode TO sensor value fixed to 30 C in cooling 10 C in heating Backup mode is cancelled when any other value is detected by TO sensor 1 Check outside temperature sensor TO 108 14 Inverter Suction Temperature TS Sensor failure Compressor stop O Alarm reset by resetting the power supp...

Страница 77: ...upply to the Monobloc unit Error becomes definite after retrying operation for 8 times Error detected in either of the following condition 1 Fan motor lock 2 Fan motor IPM over currentat start up 3 Fan IPDU DCvoltage abnormal Check 1 Check lock of fan motor 2 Check power supply voltage between L2 and N 250 62 Compressor inverter short circuit protection Compressor stop O Alarm reset by resetting t...

Страница 78: ... time clock failure on NHC board Continue X 81 EEPROM corrupted on NHC board Continue O 127 82 Inverter EEPROM not readable of EEPROM number out of range Stop O Alarm reset by resetting the power supply to the Monobloc unit Error caused by delay of communication 90 Invalid configuration Stop X Automatic reset when configuration is correct 100 Emergency stop Stop X Automatic reset when P055 is rese...

Страница 79: ...ture is detected in an abnormal stop zone the unit stops the compressor and restarts after 2 minutes 30 seconds The alarm counter is cleared when it has continued the operation for 10 minutes If the abnormal stop zone has been detected by 4 times without clearing the counter an alarm 74 is displayed Heating TR CP1701H CP1701H CP2101H CP2101H a 62 C 62 C 62 C 62 C b 59 C 59 C 59 C 59 C c 57 C 57 C ...

Страница 80: ...P510 table GEN_CONF Terminal 16 on terminal block TB X2 9 4 1 2 Alarm 8 Remote Controller WUI Indoor Temperature Failure The sensor is located on Remote Controller WUI it measures the room temperature Alarm 8 RC WUI Indoor Temperature failure If a failure occurs on the Remote controller WUI indoor temperature sensor then the Remote Controller WUI must be changed Is sensor correctly connected On te...

Страница 81: ...perature failure If a failure occurs on the TH temperature sensor then the inverter box must be changed 9 4 1 5 Alarm 16 Inverter TE TS sensors wrongly connected Electrical connection Alarm 16 Inverter TE TS sensors wrongly connected For TE CN601 on MCC 1599 For TS CN600 on MCC 1599 Change WUI RC remote controller Is sensor mounting correctly Are the resistance characteristics of the temperature s...

Страница 82: ...Correctly connection of connector Are the output current characteristics sensor error of PS sensor normal Is there voltage at inverter boards terminals Replace sensor Sensor error Check inverter box and replace if defective NO NO YES YES Saturated suction temperature read by the pressure gauge on suction line check joint Read SST value P008 read on WUI RC remote controller If and are different an ...

Страница 83: ... WUI of unit by WUI pocket tool for service WUI pocket is off Check and correct the connections YES YES Is unit correctly configured Check the value of the parameter User interface Type P551 in function of interface option Are the connections of WUI and NHC board are correct Is the power of WUI correct Replace WUI of unit by WUI pocket tool for service WUI pocket is off Check and correct the conne...

Страница 84: ...ss of communication with Followers Electrical connection Alarm 24 Loss of communication with Header Bus connection J6 on NHC board or terminal block X2 1 2 3 Is the connection NHC board and inverter box correct Correct wiring NHC or inverter box replacement NO YES Are the connections between the boards of the inverter box correct Correct wiring Correct wiring NO YES YES With user interface pass fr...

Страница 85: ...f pump off P562 yes or 1 then flow switch is closed whereas no flow rate NO Replace pump YES Replace flow switch Is flow switch in the correct physical position in the water flow direction NO Perform air vent Excess air noise comes from inside the pump NO YES Water flow rate too low NO Dirt clogging inside water circuit Check the pump available pressure if not normal then replace the pump Check th...

Страница 86: ...of connectors fan board fan motor wiring Is there any element which blocks air heat exchanger Clogging of heat exchanger Bypass in heat exchanger YES NO Overcharge of refrigerant clogging pipe breakage abnormal load Cooling operation Doesn t high pressure switch operate Check parts if defective replace YES Is circuit wiring normal Are parts of high pressure switch normal NO YES Check inverter box ...

Страница 87: ...f blockage element or change filter Heating operation Replace pump YES NO Check the presence of water leakage on circuit YES Is there any element which blocks water heat exchanger Clogging of heat exchanger Bypass n heat exchanger Clogging of filter drier Clogging of refrigerant overcharge Pipe breakage Abnormal load NO Is TR sensor correctly located And are characteristics of TR sensor good YES C...

Страница 88: ... Is PMV opening closed YES NO Is connector of PS sensor correctly connected Correct connection of connector Replace PMV YES NO PMV coil short circuit NO Is there leaks of refrigerant on circuit Leakage detection YES Empty the refrigerant charge from the unit and recharge with correct charge of refrigerant YES Is pipe crushed on refrigerant circuit YES Repair piping Is operation of 4 way valve norm...

Страница 89: ...ion error Are fan connectors connected correctly YES Check wiring refer to wiring diagram NO Is pipe crushed on refrigerant circuit NO YES Check operation of inverter box Defective fan motor replace Replace fan motor YES Is there a problem on connection of compressor lead or reactor check referring to wiring diagram NO Check wiring refer to wiring diagram NO Is pipe crushed on refrigerant circuit ...

Страница 90: ...d correct it YES Is it not abnormal overload YES Check inverter box Defect Replace Correct and clear the cause YES Is compressor normal YES Check inverter box Defect Replace YES Is there no refrigerant stagnation NO Compressor lock Replace YES Does PMV normally operate NO Check inverter box Defect Replace Check TE TS sensors and PMV Defect Replace NO Is power supply voltage normal AC 342V to 547V ...

Страница 91: ...crushed or broken pipe Defect Correct and replace Correct defective position Replace defective part YES Are CN609 connection and case thermostat normal NO Correct connector Case thermostat error Replace YES NO YES Are the pressure sensor characteristics of the low pressure sensor normal NO Replace low pressure sensor YES Is the 2 way valve circuit normal In cooling season go to A In the heating se...

Страница 92: ...YES YES Refrigerant shortage clogging or pipe breakage is considered NO A Heating mode Does fan normally operate NO YES Cleaning Are parts of fan motor normal 1 Connection of connector 2 Capacitor 3 Motor 4 Fan Repair the defective part Check inverter box Defective Replace NO YES YES Shortage of refrigerant Blocking Pipe breakage NO Is there clogging of water heat exchanger Is PMV normal NO Are co...

Страница 93: ...ger Short circuit YES Eliminate interfering element NO Check overcharge of refrigerant clogging of cycle broken pipe abnormal overload Defect Correct defective position Cooling season Cooling operation Is there no problem on TL sensor measurement of resistance values NO Replace sensor YES Is there no element which interfere with heat exchanger Clogging of heat exchanger Bypass NO Check the same it...

Страница 94: ...defective part Recharge refrigerant YES Is it not abnormal overload YES Repair defective part NO Is PMV normal NO Correct and clear the cause YES Check inverter box Defect Replace Correct connector Sensor error Replace IS CN603 connection normal Is resistance value of TD sensor normal NO YES Is there no open of the power supply YES NO Check wiring Check inverter box Defect Replace Confirm electric...

Страница 95: ...rcuit protection 253 P29 Outdoor unit motor position detection error Note This Inverter Error Code is coming from HV bus Command BAH Byte 2 9 4 1 29 Alarms 80 81 NHC failure Alarm 80 RTC failure on NHC board Alarm 81 EEPROM corrupted on NHC board 9 4 1 30 Alarm 82 Inverter EEPROM not readable or EEPROM number out of range Alarm 82 Inverter EEPROM not readable or EEPROM number out of range 9 4 1 31...

Страница 96: ...erature resistance characteristic tables TD TL sensor characteristics TE TS TO sensor characteristics EWT LWT sensor characteristics 0 0 5 1 1 5 2 2 5 3 0 5 10 15 20 25 30 10 0 10 20 30 40 50 60 70 80 90 Resistance kΩ 40 C or more Resistance kΩ 40 C or less Temperature C ...

Страница 97: ...G 8 0010H Backup Configuration Table BCK_CONF 9 0010H DHW Configuration Table DHW_CONF 10 0010H Header Follower Configuration Table MSL_CONF 11 0010H JBus Configuration Table JBUSCONF 12 0010H General Unit Table GENUNIT 14 0011H Status Table STATUS 15 0011H Capacity Table LOADFACT 16 0011H Pump Status Table PMP_STAT 17 0011H Backup Status Table BCK_STAT 18 0011H Inputs Table INPUTS 19 0011H DHW St...

Страница 98: ... Cooling and Heating 3 Heating Only 2 Unit size 0 Undefined 17 17 kW 21 21 kW 3 Fan type 0 Regular fan 1 Ducted fan 4 Water Pump Type 0 No internal pump 1 Hydronic Kit with Fixed Speed Pump 2 Hydronic Kit with Variable Speed Pump PWM control 5 Flow switch type 0 No Flow Switch 1 Normally Open Flow Switch Flow Switch closed when water is flowing 2 Normally Closed Flow Switch Flow Switch open when w...

Страница 99: ...ed Afterwards parameters given in the table above cannot be changed 10 1 2 Configuration tables 10 1 2 1 General Configuration Table Access type Read Write TABLE NAME GEN_CONF PIC Table Type 10H instance 1 PAR NAME RANGE DEFAULT UNIT DESCRIPTION 501 sfsw_typ 1 to 3 1 Safety Switch Type 1 502 cust_di5 0 to 15 1 Customized DI 5 Config 2 503 cust_di6 0 to 15 0 Customized DI 6 Config 2 504 cust_di7 0 ...

Страница 100: ... split units 2 Mounted after PMV with more than 10m of pipes split units 5 EWT sensor type 0 No EWT sensor 1 EWT sensor is present 2 EWT sensor is present and its measurement is used as control temperature 6 IAT sensor type 0 No IAT sensor 1 10 kOhm Thermistor 2 5 kOhm Thermistor 3 3 kOhm Thermistor 7 OAT sensor type 0 No additional OAT sensor TO value from the Control Box 1 10 kOhm Thermistor con...

Страница 101: ...rol Unit Monitoring Scheduling Temp Type Display Remarks 0 No Only Time and DOW WUI installed but not used WUI only responds to CCN commands WUI used for unit configuration 1 Water Temp Normal Unit controlled by remote contacts or unit is a Follower unit WUI used for unit configuration and monitoring 2 Air Temp Normal WUI installed in the house 3 Water Temp Normal WUI installed on the unit 2 Param...

Страница 102: ... 568 vsp_max 50 to 100 100 Maximum Pump Speed 569 dt_stp 2 0 to 20 0 5 0 C Water Delta T Setpoint 570 dt_kp 10 000 to 0 001 6 000 Delta T Proport Gain 571 dt_ti 10 to 120 20 s Delta T Integral Time 572 dt_ts 10 to 120 10 s Delta T Sample Time 573 add_pmp 0 to 4 0 Additional Pump Logic 6 1 Fluid type 1 Water min cooling setpoint is 5 C 2 Medium Brine min cooling setpoint is 0 C 2 External Pump Cont...

Страница 103: ...lowing parameters Par 587 to Par 590 1 Cooling Climatic Curve 1 2 Cooling Climatic Curve 2 The option to control the water temperature based on the climatic curve applies only to units that have system control based on water temperature control not air temperature control With a custom climatic curve be careful to configure the Maximum OAT greater than the Minimum OAT Otherwise the setpoint will b...

Страница 104: ... Stages EH1 EH2 3 Booster by 3 Electric Heating Stages with 2 outputs EH1 EH2 4 Booster by 3 Electric Heating Stages with 3 outputs EH1 EH2 EH3 5 DHW Backup EH3 6 Booster by 1 Electric Heating Stage EH1 DHW Backup EH3 7 Booster by 2 Electric Heating Stages EH1 EH2 DHW Backup EH3 8 Booster by 3 Electric Heating Stages with 2 outputs EH1 EH2 DHW Backup EH3 9 Backup by Oil or Gas Boiler 10 Backup BY ...

Страница 105: ...ment 1 Diverting Valve NO 2 points valve energized in DHW position 2 Diverting Valve NC 2 points valve de energized in DHW position 3 Dedicated DHW Circulator or Pump 2 Maximum runtime If this parameter is configured to 1 DHW Runtime is ignored 3 DHW days schedule Domestic hot water priority request b7 b6 b5 b4 b3 b2 b1 b0 b7 Monday b6 Tuesday b5 Wednesday b4 Thursday b3 Friday b2 Saturday b1 Sund...

Страница 106: ...2 Follower 2 Follower address The address of the Follower unit Please note that up to 3 Follower units can be configured to operate in the same Header Follower assembly 3 Cascade type This parameter is used to define the start stop function applicable to units operating in the same Header Follower assembly 0 Starting Header unit first then Follower units are started beginning with the first Follow...

Страница 107: ...ess register n use n address Modbus To access register n use n 1 address 2 JBus baud rate 0 9600 bauds 1 19200 bauds 2 38400 bauds 3 JBus baud frame 0 No parity 1 stop bit 1 Odd parity 1 stop bit 2 Even parity 1 stop bit 3 No parity 2 stop bits 4 Odd parity 2 stop bits 5 Even parity 2 stop bits 4 JBus timeout If no JBus request is received for more than the timeout delay the unit will be stopped a...

Страница 108: ...ter Current Mode 7 20 freq_min xxx x Hz Actual Min Compr Freq 21 freq_max xxx x Hz Actual Max Compr Freq 22 FREQ_REQ 0 0 to 120 0 Hz Requested Compr Freq 8 23 freq_cur xxx x Hz Actual Compressor Freq 24 pmv_pos xxxx PMV Position 27 upr_fan Xxxx rpm Upper Fan Speed 28 lwr_fan Xxxx rpm Lower Fan Speed 29 EXCH_HTR Off On Exchanger Elec Heater 30 BOILER Off On Boiler 31 EHS 0 to 3 Electrical Heat Stag...

Страница 109: ...mp ramp up in Heating mode for UFH drying 3 System mode status read only 0 Off 1 Cool 2 Heat 3 unused 4 DHW Heat 5 Booster Cooling 6 Booster Heating 7 Defrost 8 Purge 9 Drying 20 Home Anti Freeze 21 Cool Satisfied 22 Heat Satisfied 24 DHW Satisfied 29 Drying Satisfied 100 Off Fail 101 Cool Fail 102 Heat Fail 104 DHW Fail 105 B Cool Fail 106 B Heat Fail 107 Defrost Fail 108 Purge Fail 109 Drying Fa...

Страница 110: ... in Heating 43 Very Low OAT in Heating 44 High OAT in Heating 45 High LWT in Heating 46 reserved 47 High LWT in Heating 50 Minimum OAT for Cooling 51 Minimum EWT for Cooling 52 OAT below 15 C in Cooling 53 OAT above 26 C in Cooling 54 OAT above 40 C in Cooling 55 Low SST Avoidance 56 reserved 57 reserved 58 Water Exchanger Freeze Protection in Cooling 61 Negative OAT and LWT above 12 C in cooling ...

Страница 111: ...e moving run the pump 16 Water Control Point Reached control variable speed pump on CTRL_PNT 2 Water pump speed For Fixed Speed Pump 0 Stopped 100 Running 3 Additional pump output The additional pump installed in the heating loop 10 1 3 5 Backup Status Table Access type Read only force is possible TABLE NAME BCK_STAT PIC Table Type 11H instance 5 PAR NAME RANGE DEFAULT UNIT DESCRIPTION 91 back_ovr...

Страница 112: ...DI 8 Status 110 LIM_SW Open Close Power Limitation Switch 1 111 OPEAK_SW Open Close Off Peak Hour Switch 1 112 LSHED_SW Open Close Loadshed Request Switch 1 113 SOLAR_SW Open Close Solar Input Switch 1 114 DHW_REQ Open Close DHW Request from tank 1 115 DHW_PRIO Open Close DHW Priority Button 1 116 DHW_ANTI Open Close DHW Anti Legionella Req 1 117 SUMM_SW Open Close Summer Switch 1 120 EXALM_SW Ope...

Страница 113: ...atus 1 DHW mode 0 DHW Eco mode 1 DHW anti legionella mode 2 DHW regular mode 2 DHW override 1 DHW disabled 0 DHW Operating 1 DHW Not Operating Space Heating Cooling Mode 2 DHW Valve moving 3 DHW Operating with EHS Only 50 Heat Mode not allowed 100 DHW Fail 3 DHW conditions DHW conditions are met and the flag is set if the unit is not in DHW alarm and one of the following conditions is true DHW onl...

Страница 114: ... Status 4 234 MS_LIM 0 to 100 100 Header Follower Demand Limit 1 Chiller water system temperature Chillers or heat pumps system overall leaving temperature 2 Header Follower active flag True 1 Header Follower assembly configured At least two units running in Header Follower assembly False 0 different than 1 3 Header Follower overall status 1 Disabled 0 Off 1 Cool mode 2 Heat mode 21 Cool Satisfied...

Страница 115: ...er EEPROM Code 1 305 sw_set 0xXXXXXXXX Inverter Switch Setting 306 cdu_cap 0 to 15 CDU Capacity 2 307 mcu_code 0xXXXX MCU Code 3 1 Inverter EEPROM Code Unit EEPROM Code RUA CP17 0x61F848 RUA CP21 0x61F850 2 Outdoor condensing unit CDU capacity 0 Undefined 1 0 5 HP 2 0 75 HP 3 1 0 HP 4 1 25 HP 4 kW single phase 5 1 5 HP 6 1 75 HP 6 kW single phase 7 2 0 HP 8 2 5 HP 8 kW single phase 9 3 0 HP 10 3 5...

Страница 116: ...ailed due to timeout 5 HP Test Failed due to Flow Switch Failure 6 HP Test Failed due to Low Water Temperature 7 HP Test Failed due to Inverter Failure 8 HP Test failed due to high TL temperature The HP Switch test can be launched if QCK_ENA is set to Yes and current _RAT_MOD is 0 Off Mode The goal of the HP Switch Test is to open the HP Switch The way to do it is to start in Cool Mode at 65 Hz to...

Страница 117: ...de 0 Normal no error 100 F04 TD sensor open or short 102 F06 TE sensor open or short 103 F07 TL sensor open or short 104 F08 TO sensor open or short 108 F12 TS sensor open or short 109 F13 TH sensor open or short 111 F15 TE TS sensors incorrectly connected 119 F23 PS sensor open or pressure too high 127 F31 Not able to communicate with EEPROM or EEPROM number out of range 129 H01 Compressor breakd...

Страница 118: ...382 comp_hr xxxxx x h Compressor Run Hours 383 back_hr xxxxx x h Backup Running Hours 384 cool_hr xxxxx x h Cooling Mode Hours 385 heat_hr xxxxx x h Heating Mode Hours 386 dhw_hr xxxxx x h DHW Mode Hours 387 dfrt_hr xxxxx x h Defrost Mode Hours 388 nrg_heat xxxxx x kWh Energy consumed in Heat 2 389 nrg_cool xxxxx x kWh Energy consumed in Cool 2 1 User Runtime Reset 0 Do nothing 1 Reset Hours only ...

Страница 119: ...xx x Hz Actual Compressor Freq 24 pmv_pos xxxx PMV Position 27 upr_fan xxxx rpm Upper Fan Speed 28 lwr_fan xxxx rpm Lower Fan Speed 29 EXCH_HTR Off On Exchanger Elec Heater 41 CHIL_OCC 0 to 2 Occupancy Mode 44 MOD_REQ 0 to 9 System Mode Request 45 MOD_STAT 0 to 109 System Mode Status 47 mod_ovr 0 to xxx System Mode Override 48 setpoint 5 0 to 60 0 C Current Setpoint 51 CTRL_PNT 5 0 to 60 0 C Water...

Страница 120: ... 3 unused 4 DHW 5 Booster Cooling 6 Booster Heating 7 unused 8 Purge water pump is ran forever to purge the hydraulic circuit 9 Drying slow water temp ramp up in Heat mode for UFH drying 3 System Mode Status read only 0 Off 1 Cool 2 Heat 3 unused 4 DHW Heat 5 Booster Cooling 6 Booster Heating 7 Defrost 8 Purge 9 Drying 20 Home Anti Freeze 21 Cool Satisfied 22 Heat Satisfied 24 DHW Satisfied 29 Dry...

Страница 121: ... Home Setpoint 2 408 cwunooff 0 0 to 10 0 0 0 C Cool Sleep Offset 3 409 cwecooff 0 0 to 10 0 0 0 C Cool Away Offset 4 410 hw_hyst 0 5 to 2 0 1 0 C Heat Hysteresis 411 cw_hyst 0 5 to 2 0 0 5 C Cool Hysteresis 5 412 hcurvoff 5 0 to 5 0 0 0 C Heat Curv Max Stp Offset 413 ccurvoff 5 0 to 5 0 0 0 C Cool Curv Min Stp Offset 1 Heating water setpoints These setpoints are used when Heating Climatic Curve S...

Страница 122: ...e whether the control is in cooling or heating demand 6 IAT reset factor This parameter is used to determine the indoor air temperature 10 1 6 POC tables POC tables are used to control Follower units that are interconnected to operate in the same Header Follower assembly 10 1 6 1 Follower 0 Status Table Access type Read only TABLE NAME SLV0STAT PIC Table Type 615H instance 1 PAR NAME RANGE DEFAULT...

Страница 123: ...tering Water Temp 1202 lwt xx x C Leaving Water Temp 1203 mod_stat 0 to 101 System Mode Status 1204 alm Normal Alarm Alarm Status 1205 cap_t 0 to 100 Total Capacity 1206 cap_ovr 0 to 204 Capacity Override 1207 pmp 0 to 100 Water Pump Speed 1208 pmp_ovr 1 to 100 Pump Override 1209 flow_sw Close Open Flow Switch Status 1210 freq_cur 0 to 120 Hz Actual Compressor Freq 1211 wearfact xxxxxxxx Unit Wear...

Страница 124: ...Max Default Unit Jbus Modbus 001 Outdoor Air Temperature 40 0 115 6 RO 0001H RO 4000H 002 Indoor Air Temperature 40 0 115 6 RO 0002H RO 4001H 003 Entering Water Temperature 40 0 115 6 1 10 C RO 0003H RO 4002H 004 Leaving Water Temperature 40 0 115 6 1 10 C RO 0004H RO 4003H 005 Refrigerant Temperature 40 0 115 6 1 10 C RO 0005H RO 4004H 007 Room Temperature 40 0 115 6 1 10 C RO 0007H RO 4006H 008 ...

Страница 125: ...044H RO 4043H 069 Unit Running Status 0 1 RO 0045H RO 4044H 081 Pump Override 1 20 RO 0051H RO 4050H 082 Water Flow Failure 0 1 RO 0052H RO 4051H 083 Current DeltaT Setpoint 1 10 K RO 0053H RO 4052H 084 Water Delta Temperature 1 10 K RO 0054H RO 4053H 085 Water Pump Speed 0 100 RO 0055H RO 4054H 088 Additional Pump Output 0 1 RO 0058H RO 4057H 091 Backup Override 1 100 RO 005BH RO 405AH 092 Backup...

Страница 126: ...n 303 Inverter Progr Revision 304 Inverter EEPROM Code 305 Inverter Switch Setting 306 CDU Capacity 0 15 307 MCU Code 308 CDU Current mA 321 QT Quick Test enable 0 1 322 QT HP Switch Test 0 8 323 QT Rating Mode 0 4 324 QT Rating Frequency 120 120 1 10 Hz 325 QT Lower Fan Speed 0 999 rpm 326 QT Upper Fan Speed 0 999 rpm 327 QT PMV Position 0 999 328 QT Compressor Coils Heater 0 1 329 QT 2 way Equal...

Страница 127: ...H 404 DHW Eco Setpoint 20 0 60 0 45 0 1 10 C RW 0194H RW 8003H 405 DHW Anti Legionella Stp 50 0 60 0 60 0 1 10 C RW 0195H RW 8004H 406 DHW Setpoint 30 0 60 0 50 0 1 10 C RW 0196H RW 8005H 407 Cool Home Setpoint Water 5 0 18 0 12 0 1 10 C RW 0197H RW 8006H 408 Cool Sleep Offset Water 0 0 10 0 0 0 1 10 K RW 0198H RW 8007H 409 Cool Away Offset Water 0 0 10 0 5 0 1 10 K RW 0199H RW 8008H 410 Heat Hyst...

Страница 128: ... 571 Delta T Integral Time 10 120 20 s 572 Delta T Sample Time 10 120 10 s 573 Additional Pump Logic 0 4 0 581 Heat Clim Curve Select 1 12 1 582 Heat Minimum OAT 30 0 10 0 7 0 1 10 C 583 Heat Maximum OAT 10 0 30 0 20 0 1 10 C 584 Heat Min Water Setpoint 20 0 40 0 20 0 1 10 C 585 Heat Max Water Setpoint 30 0 60 0 38 0 1 10 C 586 Cool Clim Curve Select 1 2 1 587 Cool Minimum OAT 0 0 30 0 20 0 1 10 C...

Страница 129: ... Follower Selection 0 2 0 743 Follower 1 Address 0 239 0 744 Follower 2 Address 0 239 0 745 Follower 3 Address 0 239 0 746 Capa To Start Next Unit 30 75 75 747 Capa To Stop Next Unit 1 25 25 750 CHWSTEMP Type 0 3 2 751 Cascade Type 0 2 1 752 M S Heat Proport Gain 0 001 10 000 6 000 753 M S Heat Integral Time 10 120 30 s 754 M S Heat Sampling Time 10 120 30 s 755 M S Cool Proport Gain 10 000 0 001 ...

Страница 130: ...06 Capacity Override 1007 Water Pump Speed 1008 Pump Override 1009 Flow Switch Status 1010 Actual Compressor Freq 1 10Hz 1011 Unit Wear Factor 1101 Entering Water Temperature 1 10 C 1102 Leaving Water Temperature 1 10 C 1103 System Mode Status 1104 Alarm Status 1105 Total Capacity 1106 Capacity Override 1107 Water Pump Speed 1108 Pump Override 1109 Flow Switch Status 1110 Actual Compressor Freq 1 ...

Страница 131: ...06 Drive Mode 0 22 0 2507 Saturated Suction Temp 1 1 1 10 C 2508 Suction Temperature 10 1 10 C 2509 Discharge Temperature 75 1 10 C 2510 Lower Air Heat Exch Temp 12 1 10 C 2511 Upper Air Heat Exch Temp 15 1 10 C 2512 Outdoor Air Temperature 16 1 10 C 2513 Heatsink Temperature 37 1 10 C 2514 PMV Position 0 1000 500 2515 Fans Speed 0 1000 720 3000 PI Proportional Term 1 10 3001 PI Integral Term 1 10...

Страница 132: ...r heat pump and turn off switch of the breaker unit or installation 2 Unscrew the two screws of the front panel 3 Remove the front panel 12 2 Open the right panel Tools Screwdriver Steps 1 Stop operation of the chiller heat pump and turn off switch of the breaker unit or installation 2 Unscrew the two screws of the right panel 3 Remove the front panel ...

Страница 133: ...rew the ten screws of the rooftop 3 Remove the rooftop 12 4 Detachment of the back panel Tools Screwdriver Steps 1 Perform the work 12 3 2 Disconnect the customer hydraulic connections inlet outlet 3 Remove the different cables of cable glands 4 Unscrew the seven screws which maintain the back panel 5 Remove the back panel Outletconnection Inletconnection Water fillingsystem connection Cable gland...

Страница 134: ...e fan grid 3 Remove the central nut of the fan propeller with socket wrench of 10mm 4 Remove all the clamps along fan cable path 5 Disconnect the fan cables on the inverter board for the corresponding fan 6 Unscrew the four screws which maintain fan motor with socket of 10mm 7 Change fan motor Put back all damps as initially to avoid contact between cable and propeller 17Kw 21Kw Upper fan Lowerfan...

Страница 135: ...ly source and water piping valve to pass water through the hydronic kit and check the connection has no water leakage 12 7 Variable Speed Pump Replacement Tools Screwdriver Wrench of 13mm Steps 1 Perform the works 12 1 and 12 2 2 Empty the water of hydraulic circuit with the drain valve 3 Unscrew the four screws of pump electrical box 4 Disconnect the four wires in being careful of wire locations ...

Страница 136: ...tion on terminal block Phase X3 3 Neutral X2 32 Earth X2 33 6 Disconnect the flow switch on terminal block X2 8 and X2 13 7 Disconnect the customer connections of terminal block ex WUI DHW sensor Header Follower sensor 8 Disconnect terminals J8 J9 J11 in being careful of wire locations 9 Disconnect on inverter board the NHC connections 1 2 3 10 Unscrew two screws on right side of electrical box on...

Страница 137: ...eck that the connection has no refrigerant leakage Ensure flames of burner do not damage the close component When reconnecting the lead wires to the compressor terminals after replacement of compressor be sure there is no loosening problem 12 10 Reactor Replacement Tools Screwdriver Steps 1 Perform the works 12 1 12 2 and 12 3 2 Perform the work 12 9 3 To change reactor 44 x2 Disconnect 2 wires co...

Страница 138: ...of hydraulic circuit with the drain valve 3 Disconnect the flow switch on terminal block X2 8 4 Unscrew the flow switch After component replacement open the water supply source and water piping valve to pass water through the hydronic kit and check that the connection has no water leak The water relief valve hydraulic connection uses O ring for water seal Be careful not to scratch the O ring other...

Страница 139: ...tion around BPHE and detach the electric heater from BHPE 6 Unbraze refrigerant inlet outlet BPHE 7 Unscrew completely the higher nut and unscrew partially the lower nut with wrench of 5mm 8 Lift up the BPHE to extract the BPHE from support oblong holes After component replacement open the water supply source and water piping valve to pass water through the hydronic kit and check that the connecti...

Страница 140: ...wo nuts which maintain the receiver on partition panel access by coil side with wrench of 5mm 5 Remove receiver in lifting up it oblong holes Ensure flames of burner do not damage the close component 12 15 PMV Coil Replacement Tools Screwdriver Steps 1 Perform the work 12 2 2 Disconnect PMV on inverter board 3 Hold outside of coil by hands and turn it while lifting upward 4 The fixing hooks come o...

Страница 141: ...claim refrigerant gas 3 Disconnect the corresponding connectors on inverter box 4 Unbraze inlet outlet of component Ensure flames of burner do not damage the close component After connecting the refrigerant pipe check that the connection has no refrigerant leakage 12 18 Relief Valve Replacement Tools Screwdriver Wrench of 20mm Steps 1 Perform the work 12 2 2 Reclaim refrigerant gas 3 Unscrew the r...

Страница 142: ... the expansion tank After component replacement open the water supply source and water piping valve to pass water through the hydronic kit and check that the connection has no water leak 12 21 Water Relief Valve Replacement Tools Screwdriver Steps 1 Perform the works 12 1 and 12 2 2 Empty the water of hydraulic circuit with the drain valve 3 Remove the flexible pipe 4 Remove the relief valve After...

Страница 143: ...lve Two way valve HP switch Thermal cut off of compressor PMV s one for 17kW and two for 21kW LP sensor Wires 1 2 3 connected of NHC board Power L1 L2 L3 Neutral Earth Power of compressor directly on the compressor 3 wires 3 Remove six screws which maintain the inverter box 4 Remove the inverter box to remove it lift up it For 5 minutes after the power is turned off do not disassemble the inverter...

Страница 144: ...echanical protection unscrew two screws 3 Disconnect all cables of NHC board in being careful of wire locations 4 Unclip NHC board 5 Change the board by the new NHC card When mounting a new board check that the board is correctly set in the groove on the base holder of the NHC board base Electrical box Mechanical protection Clips ...

Страница 145: ... Use Connection Manager at 38400 Baud to connect the PC to the NHC board If it doesn t exist add a new Proprietary Protocol connection Launch Winloader from Connection Manager By default software files to download must be put in this directory C Program Files WinLoader OEM Download Place the following files in this directory ECG SR 20N4Cxxx hex ECG SR 20N4Cxxx GenericOEM cmd OEM_KEY_GenericOEM hex...

Страница 146: ... up The address of the connected NHC board will appear in the fields Bus and Element Go back on Winloader select the software to download 30RBV RQV17 21 30AWH004 015 SR xx x for Generic OEM Enter the correct Bus and Element numbers by default Bus 0 Element 1 Click on Start download Wait until the Download is completed then NHC board will restart ...

Страница 147: ...Monobloc Outdoor Unit Service Manual 146 Disconnect the USB to Proprietary Protocol converter plug from J6 on NHC board and reconnect the correct wire ...

Страница 148: ...en to search for the leak Repair the leak using good refrigeration practices After leaks are repaired system must be vacuumed and dehydrated 15 1 2 Refrigerant charging Before charging be sure the vacuum is correct Pressure should be equal to 1 mbar When adding or removing charge circulate water through the cooler at all times or completely drain the cooler to prevent freezing Freezing damage is c...

Страница 149: ...ds on the season and location of the HVAC unit ventilated wooded dusty area etc Coil Cleaning Level 2 Clean the coil using appropriate products Use product s which have a neutral pH value do not contain phosphates are not harmful to the human body and can be disposed of through the public drainage system Depending on the degree of fouling use products which can be used diluted or undiluted This pr...

Страница 150: ... base or on the floor of the unit Carefully observe the instructions in Section 1 Rinsing the system The spray direction is very important to avoid damaging the coils It must be done from top to bottom and bottom to top the pipe must be positioned aslant to the fins in the opposite direction of the air flow direction with a large diffuser 25 30 at a minimum distance of 300 mm from the coil 15 3 Le...

Страница 151: ...use mechanical seal damages and low water flow Measure motor currents value at duty point and verify proper motor protection set up Motor data label The motor currents may be saved used for predictive maintenance Check for proper voltage under load as close to the motor as possible Check for leaks and ensure all fittings are properly tightened Bump start the pump and listen for any unusual sounds ...

Страница 152: ...frequency with_RAT_FRQ parameter 3 Ramp Cool _RAT_FRQ corresponds to the change rate Hz min ramp up if positive ramp down if negative 4 Ramp Heat _RAT_FRQ corresponds to the change rate Hz min ramp up if positive ramp down if negative Note The Rating Mode is implemented for test purpose Lab tests When the Rating Mode is active Water Control Point is ignored by the control The Pump is forced to run...

Страница 153: ... screws Screw Type Utilisation Value N m M8 H Wood screw Chassis fixing to shipping pallet 13 M8 H nut Compressor fixing to base pan BPHE Receiver fixing 15 Taping screw D 4 2mm Sheet metal parts Plastic grid electrical components 4 2 Taping screw D 3mm Deflector assembly on front panel 2 M6 Taping screw Fan sub assembly Chassis assembly on feet 7 M8 Screw Water pump assembly on the partition pane...

Страница 154: ...Monobloc Outdoor Unit Service Manual 153 16 Outdoor unit exploded view parts list 16 1 17kW Fixed Speed Variable Speed Pumpless ...

Страница 155: ...ROSSBEAM 2 2 2 26 43E46001 EXCHANGER 1 1 1 27 43E11003 INSULATION 1 1 1 28 43E0A016 PANEL 1 1 1 29 43E22001 DUCT 2 2 2 30 43E09001 TOSHIBA GRILL 2 2 2 31 43E0L001 HANDLE 1 2 2 2 32 43E4N003 COIL 1 1 1 33 43E5A001 VALVE 2 2 2 35 43E49001 SIGHT GLASS 1 1 1 36 43E45001 FILTER 1 1 1 37 43E0A011 FIXING COLLAR 1 1 0 38 43E5A006 REGULATOR 1 1 1 39 43E7V002 HYDRAULIC PUMP 0 1 0 39 43E7V001 HYDRAULIC PUMP ...

Страница 156: ...SULATION 2 2 2 81 43E50007 SWITCH 1 0 0 82 43E6V004 RELAY 1 0 0 83 43E11010 THERMAL INSULATION 1 1 1 84 43E11006 EXCHANGER INSULATION 1 1 1 85 43E6V005 GROMMET 2 2 2 86 43E97002 NUT 2 2 2 87 43E97004 ROUND HEAD SCREW 100 100 100 88 43E97007 WASHER 4 4 4 89 43E97005 SHEETMETAL SCREW 2 2 2 90 43E5G001 EXPANSION VESSEL 1 1 0 91 43E5E002 FLEXIBLE 1 1 0 92 43E97003 NUT 1 1 0 93 43E5Q004 JOINT 1 1 0 94 ...

Страница 157: ...Monobloc Outdoor Unit Service Manual 156 16 2 21kW Fixed Speed Variable Speed Pumpless ...

Страница 158: ...1002 INSULATION 1 1 1 25 43E0A010 CROSSBEAM 2 2 2 26 43E46002 EXCHANGER 1 1 1 27 43E11008 INSULATION 2 2 2 28 43E0A017 PANEL 1 1 1 29 43E22001 DUCT 2 2 2 30 43E09001 TOSHIBA GRILL 2 2 2 31 43E0L001 HANDLE 1 2 2 2 32 43E4N003 COIL 2 2 2 33 43E5A001 VALVE 2 2 2 34 43E4N005 ELECTRICAL REGULATOR 2 2 2 35 43E49001 SIGHT GLASS 1 1 1 36 43E45001 FILTER 1 1 1 37 43E0A011 FIXING COLLAR 1 1 0 39 43E7V002 HY...

Страница 159: ...E0A009 CORNER POST 1 1 1 77 43E0A021 TOP COVER 1 1 1 78 43E0A013 FRONT PANEL 1 1 1 79 43E11009 INSULATION 2 2 2 81 43E50007 SWITCH 1 0 0 82 43E6V004 RELAY 1 0 0 83 43E11010 THERMAL INSULATION 2 2 2 84 43E11006 EXCHANGER INSULATION 2 2 2 85 43E6V005 GROMMET 2 2 2 86 43E97002 NUT 2 2 2 87 43E97004 ROUND HEAD SCREW 102 102 102 88 43E97007 WASHER 4 4 4 90 43E5G001 EXPANSION VESSEL 1 1 0 91 43E5E002 FL...

Страница 160: ...Monobloc Outdoor Unit Service Manual 159 ...

Страница 161: ...Monobloc Outdoor Unit Service Manual 160 ...

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Страница 164: ...TOSHIBA CARRIER EUROPE S A S Route de Thil 01120 Montluel France 1402410501R03 ...

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