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Error code causes and solutions. – part 4

Error code

(Hexadecimal)

Description

Cause

Required action

PWM board error

Replace PWM board

The power supply's voltage or frequency is outside the
specified working range.

Operate the unit within the specified working range.

Open circuit condition or loose connection in control
wiring.

Repair the control wiring.

PWM board error

Replace PWM board

Open circuit condition or loose connection in control
wiring.

Repair the control wiring.

Compressor error

Replace compressor.

Miswiring and wiring disconnection of PWM board

Repair wiring.

Incorrect wiring or disconnection of compressor terminal Repair wiring.

The power supply's voltage or frequency is outside the
specified working range.

Operate the unit within the specified working range.

Open circuit condition or loose connection in control
wiring.

Repair the control wiring.

Overload

Improve working conditions to reduce the load.

Compressor error

Replace compressor.

PWM board error

Replace PWM board

The power supply's voltage or frequency is outside the
specified working range.

Operate the unit within the specified working range.

Open circuit condition or loose connection in control
wiring.

Repair the control wiring.

Load fluctuations are too large

Reduce fluctuations

Cooling fan error

Replace cooling fan.

A power outage occurred

Repair the power supply

Overload

Improve working conditions to reduce the load.

Compressor error

Replace compressor.

IPDU board error

Replace IPDU board

The power supply's voltage or frequency is outside the
specified working range.

Operate the unit within the specified working range.

Open circuit condition or loose connection in control
wiring.

Repair the control wiring.

A power outage occurred

Repair the power supply.

Overload

Improve working conditions to reduce the load.

Cooling fan error

Replace cooling fan.

Open circuit condition or loose connection in control
wiring.

Repair the control wiring.

Heat sink sensor error value

Repair wiring / change sensor.

PWM board error

Replace PWM board

Temperature sensor error

Replace temperature sensor.

PWM board error

Replace PWM board

Open circuit condition or loose connection in control
wiring.

Repair the control wiring.

Open circuit condition or loose connection in
communication line wiring.

Repair communication line.

Failure of communication port on EEV board

Replace EEV board

PWM board error

Replace PWM board

Blown 16A fuse (400 V specification only)

Rectify fault and replace 16A fuse.

Power rectifier error

Replace rectifier.

Open circuit condition in wiring

Repair wiring.

The power supply's voltage or frequency is outside the
specified working range.

Operate the unit within the specified working range.

PWM board error

Replace PWM board.

Open circuit condition or loose connection in control
wiring.

Repair the control wiring.

A power outage occurred

Repair the power supply.

Circuit breaker has tripped

Rectify fault and switch breaker back on.

Rectifier for compressor error

Replace rectifier.

Blown fuse (400 V specification only)

Rectify fault and replace fuse.

Magnet switch breakdown

Replace magnet switch and repair wiring.

The power supply's voltage or frequency is outside the
specified working range.

Operate the unit within the specified working range.

PWM board error

Replace PWM board.

Open circuit condition or loose connection in control
wiring.

Repair the control wiring.

Heatsink sensor err

COMP IPDU board err

COMP abnormal volt

COMP IPDU comm error

Heatsink overheat

COMP Mortor Lock

COMP Breakdown

COMP Crnt snsr err

COMP Other error

COMP detct crcit err

Содержание RUAGP Series

Страница 1: ... or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the unit by a person responsible for their safety Fluorocarbon must be recovered in accordance with the local laws and regulations when the product is repaired or thrown away Type and volume of refrigerant and conversion values for CO2 are listed Keep this manual aft...

Страница 2: ...Controller 18 Unit Controller 35 Unit Controller with pressure display function 39 Main Functions 42 Control Flow 47 Refrigerant piping drawings 62 Operating Standard and Operating Range 64 Component Rating 67 High EER Type 68 Maintenance and Inspection 71 Water Heat Exchanger Maintenance 75 Pump Maintenance 76 Water Quality Management 77 Precautions When Operation Is Stopped 78 Troubleshooting 79...

Страница 3: ... and piping work involved in installation and removal has the qualifications pertaining to this refrigerant handling and piping work as stipulated by the local laws and regulations and he or she is a person who has been trained in matters relating to refrigerant handling and piping work on the units made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters ...

Страница 4: ... handling and piping work on the units made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work The qualified service person who is allowed to work at heights has been trained in matters relating to working at heights with the uni...

Страница 5: ...ature parts You might get burned when removing this panel CAUTION Do not touch the aluminum fins of the unit Doing so may result in injury Do not touch the aluminum fins of the unit Doing so may result in injury CAUTION High temperature parts You might get burned when removing this panel CAUTION Moving parts Do not operate unit with grille removed Stop the unit before the servicing WARNING ELECTRI...

Страница 6: ...ion and wait for 10 minutes to discharge the capacitors may result in electric shocks through contact with the interior parts Only a qualified installer 1 or qualified service person 1 is allowed to remove the service panel of the unit and do the work required Use of a stand more than 50 cm high to clean the body of the unit or to carry out other such jobs constitutes working at heights Due to the...

Страница 7: ...stallation Manual to install the unit Failure to follow these instructions may cause the product to fall down or topple over or give rise to noise vibration water leakage or other failure Confirm that the unit is fixed on the base Otherwise falling down of the unit or other accidents may occur After the installation work has been completed have the installer explain about the circuit breaker posit...

Страница 8: ... service person 1 when the repair includes additional charging of the refrigerant Be sure to stop running the unit and turn off the circuit breaker before cleaning Otherwise a fire electric shocks injury may result Do not insert a finger stick and so on into the fans and pump Repairs When you have noticed that some kind of error such as when an error display has appeared there is a smell of burnin...

Страница 9: ... 1 6 times higher than that of refrigerant R22 Accompanied with the new refrigerant refrigerating oil has also been changed Therefore during repair work be sure that water dust former refrigerant or refrigerating oil does not enter the refrigerating cycle To prevent charging an incorrect refrigerant and refrigerating oil the sizes of connecting sections of charging port of the main unit and instal...

Страница 10: ...tective devices to operate the unit forcibly and do not change the settings on the protective devices Doing so may cause a fire or explosion Do not start and stop the unit by turning the circuit breaker ON and OFF Doing so may cause a fire and electric shocks Do not fill the fusible plug on the refrigerant pipe with solder etc Doing so may cause an explosion Do not install the unit in a location i...

Страница 11: ... ＵＡ G Ｐ５１１ＨＬＺ G 3 T R Unit 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Horse power 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 Cooling Capacity Heating Capacity Cooling only Cooling Capacity Cooling Capacity Heating Capacity Horse power 60 120 180 240 300 360 420 480 540 600 660 720 780 840 900 960 Cooling Capacity Heating Capacity Cooling only Cooling Capacity Cooling Capacit...

Страница 12: ...n of Heat Pump Note One module controller can control up to 16 modules code High EER type Brine specifications Resistance to salt High resistance to salt N R Z ZG NR NZ NG RZ RG WZ WG Module up to 16 Module controller ...

Страница 13: ...LE CONTROLLER INSTALLED IN ONLY ONE MODULE DRAIN Note 12 BOTTOM φ40 Note 4 MOUNTING HOLE PITCH 4 φ20 EXTERNAL CONTROL DETAIL A MOUNTING HOLE MOUNTING HOLE PITCH POWER SUPPLY BOTTOM φ80 KNOCK OUT PUNCH Note 13 POWER SUPPLY BOTTOM φ80 KNOCK OUT PUNCH Note 13 BASE SIDE Note 9 HOUSING TYPE JOINT Pump integrated machine only 20Meshes in Note 8 Note 11 WATER INLET NAME No JOINT 3 FLANGE 3 FLANGE PT1 1 2...

Страница 14: ...POWER LAMP SWITCH MODULE CONTROLLER INSTALLED IN ONLY ONE MODULE DRAIN Note 12 BOTTOM φ40 Note 4 EXTERNAL CONTROL MOUNTING HOLE PITCH 4 φ20 DETAIL A MOUNTING HOLE MOUNTING HOLE PITCH POWER SUPPLY BOTTOM φ80 KNOCK OUT PUNCH Note 13 POWER SUPPLY BOTTOM φ80 KNOCK OUT PUNCH Note 13 BASE SIDE Note 8 Note 11 Note 9 HOUSING TYPE JOINT Pump integrated machine only BOTTOM φ35 KNOCK OUT PUNCH MOUNTING HOLE ...

Страница 15: ... 12330 B 32 44 48 40 36 20 28 24 4 8 16 12 C 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 13360 52 14390 56 15420 60 16450 64 9240 Arrow E Arrow F COIL DRAIN B WATER OUTLET B B POWER SUPPLY B WATER INLET PUMP DRAIN B MOUNTING HOLE C B DRAIN POWER SUPPLY BOTTOM KNOCK OUT PUNCH B MODULE MAIN BODY MOUNTING HOLE PITCH POWER SUPPLY BOTTOM KNOCK OUT PUNCH MOUNTING HOLE P...

Страница 16: ...ump only Note 2 The heater box is limited to 50HP 60HP Powerful heating type only Note 3 The relative humidity sensor box is limited to 50HP 60HP Powerful heating type including MC only BOX Layout Diagram Water spray system is omitted Control box layout diagram Fan Reactor Box Relative Humidity Sensor Box Note 3 Cooling Fan Inverter Box Back Side Circuits C D Power supply control box Power supply ...

Страница 17: ...t the module controller to Unit In the Remote change screen of the module controller switch to Unit 3 Close the gate valves of the water supply main pipe for the spray and stop water supply to each module 4 Fully open the manual flow rate adjustment valve of the sprinkler inlet High EER Type Drainage Open manual valve fully Flow control valve with strainer 60 mesh Solenoid valve Water supply pipe ...

Страница 18: ... ON 6 When water of all modules are completely drained set the solenoid valve for the spray to OFF close 5 Set to ON open 6 Set to OFF close This method can only drain water from the spray inside each module As shown in Pipe example water drain valves procured locally also need to be provided in the collecting pipe to each module Be sure to use these valves to drain water Cautions ...

Страница 19: ...solenoid valve for the spray 6 Use UP or DOWN to select On open and touch ENTER In the manual mode use UP or DOWN to select Ctrl automatic On open or OFF close and touch ENTER to confirm 7 When water is completely drained select Ctrl automatic and touch ENTER Then touch BACK to exit the manual mode 8 Perform the same procedure to drain water from the other modules C t L r O n O F F S P y r C t r L...

Страница 20: ...Confirm button Applies various settings Move on to the next screen Module Controller Lamp display Screen display You can switch screens select functions and enter numerical values by pressing the buttons Buttons Home button Operation buttons left right Menu button Return button Confirm button POWER lamp green Lit when controller is powered RUN lamp green Lit when heat pump is running ALARM lamp ye...

Страница 21: ...switching screen Remote switch screen Home screen MC failure history screen Information Operation screen MC pattern switching screen System information screen UC information screen UC operation screen Circuit information screen Operate solenoid valve for spray screen ...

Страница 22: ...ord screen 05 LCD settings screen 06 Password setting screen Menu screen 07 DN code setting screen 03 Setup operation data storage screen 02 Customer reference number screen 08 Wireless connection screen 04 Data Time setting screen 08_1 FlashAir SSID setting screen 08_2 FlashAir connection setting screen ...

Страница 23: ...GC pattern 7 GC pattern 8 Demand Hidden No demand Demand Demand limit ON OFF SD operation Saving Saving data Waiting to save No settings saved while SD is inserted Other error Other error Hidden None SD not inserted Wireless Connecting Hidden No connection Failure Failure state Hidden No failure Button display Display types that can be selected with the cursor Button not selected with setting Whit...

Страница 24: ...mation screen Select Yes and press to confirm the changes and return to the previous screen Select No and press to discard the changes and return to the previous screen Select Cancel and press to discard the changes and return to the original screen If you make a change even if the setting is the same as before the change press to display the confirmation screen Value input screen To enter numeric...

Страница 25: ...tern 4 selected GC pattern 5 GC pattern 5 selected GC pattern 6 GC pattern 6 selected GC pattern 7 GC pattern 7 selected GC pattern 8 GC pattern 8 selected 4 System status System name Displays MC A or MC B Display only Switching system data Run Operating Stop Operation stopped Disable Disabled operation selected Cooling symbol Cooling mode selected Heating symbol Heating mode selected Stopped symb...

Страница 26: ...s selected during External or Remote operation the operation is automatically switched to local operation and operation is stopped Remote switch screen Use the cursor to select Unit External or Remote switching from Unit Ext Rmt Refer to the table below for the items and content of display information MC pattern switching screen Use the cursor to select from MC patterns 1 to 4 of MC pattern switch...

Страница 27: ... supply water sensors exist and are normal Operation continues When return water and supply water sensors do not exist and are not normal Backup operation E3 Ext diff prss sensor 0 0 Backup operation When flow meter exists and is normal Operation continue When flow meter does not exist or is not normal Operation continue with backup control In case of thermistor sensor Sensor disconnection short c...

Страница 28: ...he average outlet water temperature of each heat pump LRWT C Indicates the return water temperature external input LSWT C Indicates the supply water temperature external input OAT C Indicates the average outdoor air temperature of each heat pump RHT Indicates relative humidity only for HEATEDGE For other than HEATEDGE is displayed Load flw L min Indicates the flow rate on the load side from the by...

Страница 29: ...tes the centre water temperature LWT C Indicates the outlet water temperature Ope CAPA Displays the operating capacity from 0 to 100 Demand A kW Displays the demand setting value when demand control is enabled OFF Demand control disabled PUMP ON Pump operation OFF Pump stopped Flow rate L min Displays the flow rate EWP kPa Indicates entering water pressure LWP kPa Indicates leaving water pressure ...

Страница 30: ...Coil 1 C Indicates the pipe temperature of the air heat exchanger heat pump only When viewed from the controller side the left side is 1 and the right side is 2 Displays when a cooling only unit is not installed Coil 2 C LQT C display COMP ON Compressor operation OFF Compressor stopped FAN rpm Displays the fan rotation speed Time h Displays the operation hours Count Times Displays the number of st...

Страница 31: ...he Value input screen for detailed information about entering a password Press to move to the Basic settings screen After entering the password you will remain logged in for 30 minutes of inactivity You will not be required to enter your password to display the Menu screen from the Home screen 30 minutes after you enter the password the device will automatically return to the Home screen and log o...

Страница 32: ...ct the password error screen appears If you press the functions will be restricted If the password is correct the Basic settings screen that allows selection of 8 items appears Press or to switch pages You can change the item with and Press to move to each screen If the password is correct If the password is incorrect Password error screen ...

Страница 33: ... the input screen Refer to the Value input screen for detailed information about entering a value The standards that can be set during demand control are Current A Operation Capacity Rated power ratio Power consumption ratio and Power kW The demand input title follows the set standard Refer to the table below for the items and content of display information Item Setting Mode Cooling Heating Cool s...

Страница 34: ...t can be stored Maximum amount of stored data Number of connected heat pumps Save interval Save period Saved items Approximate guide 8 1 minute 24 hours System data 1 945 months 8 1 minute 24 hours System data 1 UC data 1 140 months 8 1 minute 24 hours System data 1 UC data 1 System data 2 133 months 8 1 minute 24 hours System data 1 UC data 1 System data 2 UC data 2 115 months 16 1 minute 24 hour...

Страница 35: ...perature _ALM Failure code _STAGE Operating capacity _EWT Inlet water temperature _LWT Outlet water temperature _FLOW Flow rate _DGP High pressure _SGP Low pressure _CPRUN Compressor running time _CPCNT Compressor running count UC Data 2 Stored data Symbol Description UC data _ALT Alert code _CWT Middle water temperature _MMX Pump frequency _EWP Inlet pressure _LWP Outlet pressure Group Data 2 Sto...

Страница 36: ...during pre operation 0 Do not treat as failure 1 Treat as failure 43 System A Ratio of units with major failures confirmed 100 1 100 Set the failure ratio of UC for system A with major failure confirmed 44 System A Operation continues when a major failure occurs 2 0 2 Set whether to continue operation when system A has a major failure 0 If the ratio of units with major failures confirmed is exceed...

Страница 37: ...g Note To perform unit module operation when another module connected to the same water piping system is operating RUN touched do so in accordance with the operation mode cooling or heating of the other module REMOTE Remote Unit button Switches between remote group operation control via module controller and unit module operation single module operation Unit Controller POWER lamp green Lights up w...

Страница 38: ...W9 on the CPU control board to change the control mode Before changing it turn off the power of the control circuit pump breaker CB1 inside the power control box and check that the power of the CPU board is shut off After configuring the setting of each switch turn the power back on Note 1 Do not change the factory defaults However SW6 7 need to be changed after water filling at the site Note 2 Th...

Страница 39: ...pressure MPa of each circuit circuit name A b C d SGP Indicates the evaporation pressure MPa of each circuit circuit name A b C d EP Indicates the chilled warm water entering pressure kPa LP Indicates the chilled warm water leaving pressure kPa SP Indicates the pressure on the intake side of the pump Models with integrated pump only FLO Indicates the converted flow rate L min of chilled warn water...

Страница 40: ...mperature cooling from 7 C to 6 8 C Example SP C 7 0 ENTER 7 0 DOWN 6 8 1 SEt BACK 6 8 ENTER 4 DN code table based on pump horsepower difference After delivery of the heat pump check to ensure the pumps horsepower setting of the DN code correlates to the heat pump s nameplate 1 Use UP and DOWN to select C dnSt and then ENTER to confirm 2 After d appears the set value appears After d appears the sh...

Страница 41: ...ther module connected to the same water piping system is operating RUN touched do so in accordance with the operation mode cooling or heating of the other module REMOTE Remote Unit button Switches between remote group operation control via module controller and unit module operation single module operation Unit Controller with pressure display function Unit Controller with pressure display functio...

Страница 42: ...us detailed item BACK Go to the display title When changing the setting value of a detailed item UP Increase the setting value DOWN Decrease the setting value ENTER Confirm the setting value BACK Go to the display title Display mode The unit controller with pressure display function displays the operating pressure of each circuit The display mode can be set to one of Bar Graph Display Numerical Di...

Страница 43: ...ER to confirm The value flashes so that you can change it When the value is still flashing use UP and DOWN to change the displayed value to the correct value for the pump horsepower and then touch ENTER to confirm 5 Finally use BACK to return to the default value such as Cool Minimum Maximum 1A0 Contrast 2 0 4 1A1 Backlight OFF time min 0 Always on 0 0 60 1A2 Pressure display mode 0 Graph 1 Numeri...

Страница 44: ... fixed frequency operation Freeze protection operation See page 49 When compressors are not running the fracturing of water heat exchangers pumps and other devices may occur due to a drop in outdoor air temperature To prevent this problem the module controller monitors the water entering leaving and evaporation temperatures to control the starting and stopping of internal and external pumps Group ...

Страница 45: ...ator close during operation and open otherwise Error display and signalling The module controller show the error status of the heat pump on the LCD screen These controllers also provide the Major and Minor error signals that can be used by an external error indicator or buzzer Closed contact when an error occurs and open contact for normal operation Operation pattern display and signalling The mod...

Страница 46: ...h as air conditioners 2 Group output for defrosting Use it to provide a signal that indicates defrosting is being performed Closed contact to show defrost operation and open contact for normal operation 3 Output for freeze protection pump operation Use it to provide a signal that indicates the pump is performing freeze protection operation Closed contact to show freeze protection operation and ope...

Страница 47: ...mal operation Pump interlock You can enable pump interlock detection if you connect a wire to the specified input port of the module controller Double setpoints This feature is available if you program an operation pattern with the module controller Forced fan operation It is used to forcibly operate the fan by instructions of snowfall sensor etc in order to prevent snowfall to the heat pump Other...

Страница 48: ...ion capacity display simple capacity display simple input display simple thermal energy and integrated power display Output display Operation output fault output operation pattern output Operation mode output 1 operation capacity output simple capacity output simple input output Unit External Remote Function Unit External On LCD screen External contact input Setting functions Set temperature ON OF...

Страница 49: ...load side flow rate 1You can perform variable flow rate control even without sensors You can connect to the MC to perform tasks such as measuring the amount of heat on the load side 2If a system has a flow meter module control based on a direct measurement of the load side flow rate can be made possible by connecting the flow meter output to the module controller Flow rate measurement using thermi...

Страница 50: ...g hours to balance running hours among all compressors When two compressors are necessary either one of the downstream circuits circuits A and B and either one of the upstream circuits circuits C and D are operated Pump The module controller provides a flow rate target to each module The unit controller controls the operation frequency to make its flow rate close to the target When operating pump ...

Страница 51: ...ds i e when a high flow rate is necessary all modules are started at the same time in this case all the modules activate their respective first compressor at the same time and then the second to fourth compressors at the same time At these stages the compressors maintain the operation at a constant frequency for a fixed time of period going up to the maximum performance eventually 1 After start up...

Страница 52: ...Powerful heating type its frosted state including the relative humidity is assessed 3 Completion of defrosting The unit controller quits defrosting when the condensing temperature has risen above the programmed temperature The defrosting operation will also end if the maximum defrosting operation time 10 minutes is exceeded after the start of the defrosting operation 4 Defrosting sequence In a def...

Страница 53: ...n preventing freezing the pump runs at 150 L min minimum flow rate per module Pump operation conditions Condition 1 when the detected evaporation temperature is higher than the freeze prevention temperature Stopping Entering leaving water temperature 2 C freeze prevention temperature When the thermo is off at an operation capacity of 0 Entering leaving water temperature 3 C freeze prevention tempe...

Страница 54: ...re switch during a test run or for use as an emergency backup in the event of a failure of the module controller In this mode the module is activated when the entering water temperature exceeds the capacity control enable threshold and deactivated when it drops below the capacity control disable threshold Unless any other module is running in Remote Group mode the internal pump operates at a frequ...

Страница 55: ...ompressor minimum running time Compressor minimum stop time Circuit increase interval minimum Circuit decrease interval minimum Fan pre operation time Internal pump pre operation minimum Internal pump remaining operation minimum 180 seconds 120 seconds 60 seconds 30 seconds 20 seconds 15 seconds 15 seconds Unit Factory setting Variable range Variable step C 7 4 to 30 0 1 C 45 25 to 55 0 1 100 0 to...

Страница 56: ...setpoint other circuits are activated at the same time 5 For continually high load applications such as computer cooling the pump may be customized to shorten this period For details contact Toshiba Carrier 6 Minimum periods taken for compressors to reach the maximum operation frequency after start up May be longer depending on leaving water temperature 7 The remaining operation time of the intern...

Страница 57: ... Furthermore when the heating operation is performed the fans may be stopped to protect the compressor and activation may occur under the condition of the expansion valves being closed External pump of module stops C O O L Cooling H E A t Heating C 0 0 0 Cooling H 0 0 0 Heating C Cooling H Heating C Cooling H Heating C O O L Cooling H E A t Heating Preparation Turn each power source switch on Turn...

Страница 58: ...nput port Items to which demand control can be applied Unit Function Settable range Electric current A A Limits the total of all modules in the system so that the set electric current value is not exceeded 0 to 5000 Capacity L Limits the electric current value in the system so that the capacity value is not exceeded when the reference electric current value is 100 0 to 100 Rated power ratio R Limi...

Страница 59: ...l required Note 1 The above times are approximate Note 2 Auto recovery of module controller from power failure is possible with customization In the Unit or External mode Power supply condition Power on Power failure 20 msec Power on power recovery Run Run Operating condition continues Pump Run Built in pump continues operation Compressor Run Compressor operation continuous operation Power failure...

Страница 60: ...its that fail while running in the Unit mode Circuits of the modules that are idle in the Unit mode Circuits that are idle in the Unit and Remote modes 2 The number of all circuits in a system means In Cooling mode Number of circuits of cooling only and heat pump modules In Heating mode Number of circuits of heat pump and heat machine modules 1 Major faults When the percentage of failed circuits i...

Страница 61: ...er Upon fault reset the operating mode is automatically set to Unit After you fix the cause of the fault set it back to External or Remote A custom option is available for supporting a fault reset using an external or remote stop signal For details contact Toshiba Carrier c Resetting a fault using the optional group controller If the current operating mode is External or Remote a stop signal from ...

Страница 62: ...chilled warm water middle temperature Disconnection shorting or loose connection of applicable thermistor C Only two circuits on the upstream side 2E Relative humidity sensor error Note 4 Disconnection shorting or loose connection of applicable thermistor 0 Operation continues only in the case of error output 2F Thermistor error outside air temperature Disconnection shorting or loose connection of...

Страница 63: ...Name of applicable circuit Applicable circuit only 75 Refrig injection line failure Detects abnormalities in the injection 2 way valve or injection expansion valve Name of applicable circuit Applicable circuit only 7A Cooling fan error 1 Heat sink temperature is 95ºC or higher or reactor temperature is 130ºC or higher 2 Heat sink temperature is 90ºC or higher or the reactor temperature is 110ºC or...

Страница 64: ...oid valve 63HA T DGTB P DGPB Accumulator P SGPB SGTB T 63HB T OAT CGTB1 T CGTB2 T Air heat exchanger Air heat exchanger Electric expansionvalve Electric expansionvalve CGTC1 CGTC2 T T Service port CGTD1 T CGTD2 T Receiver Receiver Fuslble plug T DGTD P DGPD Accumulator P SGPD SGTD T 63HD Accumulator T DGTC P DGPC P SGPC SGTC T 63HC Water heat exchanger Water heat exchanger CircuitD CircuitC Air ve...

Страница 65: ...ve 63HA T DGTB P DGPB Accumulator P SGPB SGTB T 63HB T OAT Air heat exchanger Air heat exchanger Electric expansionvalve Electric expansionvalve Service port Air heat exchanger Air heat exchanger Service port T DGTD P DGPD Accumulator P SGPD SGTD T 63HD Accumulator T DGTC Service port P DGPC P SGPC SGTC T Solenoid valve 63HC Water heat exchanger Water heat exchanger CircuitD CircuitC Air vent valv...

Страница 66: ... circuit Not a depression or a location with poor ventilation The location must be able to properly support the operating weight of the heat pump Ensure drainage is installed to provide water removal from the water spray system and condensation water from the each module Dispose of drainage and waste water from the heat pump as necessary Prepare measures for accumulating snow and strong winds as n...

Страница 67: ...when the outside air temperature is inside the operating envelope shown above Note 6 When calculating holding water volume calculate the smallest water volume for the piping flow passage taking the bypass channel and other factors into consideration The holding water volumes shown in the table are values for a designed outlet inlet temperature differential of ΔT 7ºC and for the values in parenthes...

Страница 68: ...ul heating type only Note 6 When calculating holding water volume calculate the smallest water volume for the piping flow passage taking the bypass channel and other factors into consideration The holding water volumes shown in the table are values for a designed outlet inlet temperature differential of ΔT 10ºC and for the values in parentheses a designed outlet inlet temperature differential of Δ...

Страница 69: ...Prevention Thermo C Suct Gas Temperature only at cooling C Antifreeze Thermo C High Water Temp Prevention Thermo C Low Pressure 1 MPa Low Pressure 2 only at cooling MPa Low Water Flow Protection L min Water Pressure kPa Case Heater W Fuse Control Circuit A Transformer capacity VA Transformer capacity VA Fuse Case Heater Solenoid Valve A Fuse Fan Motor A Fuse Fan Fuse A Fuse For MC A SCCR A note1 P...

Страница 70: ...evaporative condenser operation end outside air temperature 2 1 to 10 63 Evaporative condenser operation start capacity Compressor capacity when operation starts Note 75 0 to 100 64 Capacity when evaporative condenser operation ends Difference with start capacity Operation ends if following value is less than stated value evaporative condenser operation start compressor capacity evaporative conden...

Страница 71: ...ozzle from becoming clogged with foreign matter install a 50 mesh strainer in the main pipes as shown below Pipe layout example 3 Depending on the water quality scales may adhere to the surface of the air heat exchanger Stains such as scales not only degrade the performance of the air heat exchanger but may damage the air heat exchanger due to corrosion so periodically check the scale adhesion con...

Страница 72: ... the air heat exchanger surface is not uniform the spray nozzle may be clogged with foreign matter The spray nozzle of the sprinkler is shown in the figure below Since the spray nozzle can be easily removed with a tool such as a spanner wash it or replace the spray nozzle Note Spray nozzle A and spray nozzle B are different types of nozzles Pay attention to their difference when installing Sprinkl...

Страница 73: ... during the inspection activity During inspection the appropriate signage should be displayed to make any persons in the area aware that work is taking place Set the Remote Unit switch on the operation panel of the module to Unit to stop the operation Also turn off all the circuit breakers control circuits fans and pump breakers in the power box before starting inspection Periodic inspection items...

Страница 74: ...ssure difference Every year Wash 5 years Gas leaks Gas detector No gas leaks Repair replace Fan motor Note 9 Operating noise vibration Visual auditory No abnormal noise or vibration Every year Replace 20 000 hours Insulation resistance DC500V Megger No problem in insulation resistance Inverter electrolytic capacitor Appearance of capacitor Visual No liquid leaks or deformation Every year Replace 5...

Страница 75: ...ial beyond the specified range could indicate a drop in the water flow rate If the case of a reduced flow rate stop the system rectify the fault and restart operation Note 6 Antifreeze density management When using antifreeze in the chilled warm water use it only in the models and at the densities specified by the manufacturer Do not use calcium chloride antifreeze which will corrode the plate hea...

Страница 76: ...s unit uses R32 refrigerant which is a near azeotropic mixture with an ozone depletion potential of 0 When charging the refrigerant be sure to use R32 only The table below shows enclosed capacities and global warming potential GWP In the event of a refrigerant leak the systems refrigerant will need to be recovered and the leaks repaired Once recovered check for leaks vacuum the system and then cha...

Страница 77: ...nger inlet connection 5 in the figure below and the flange at the internal pump discharging side 6 in the figure below to take out the pipes g Connect the circuit pipe used for the chemical treatment to the inlet and outlet of the plate heat exchanger and fill the plate heat exchanger with cleaner at a temperature between 50 C and 60 C Next use the pump to circulate the chemical for two to five ho...

Страница 78: ...te or any other irregularities noted during operation this could be caused by a clogged strainer In this case the strainer should be cleaned 4 The water pump is a replaceable part the table below shows the replaceable parts available and the possible reasons to change the parts on the water pump Expendable parts Inspection and repair guideline Remarks Mechanical seal 1 year Replace when a leak occ...

Страница 79: ...2 6 0 to 8 0 6 8 to 8 0 6 8 to 8 0 6 8 to 8 0 7 0 to 8 0 7 0 to 8 0 7 0 to 8 0 7 0 to 8 0 Electrical conductivity mS m 25 C 80 or less 30 or less 40 or less 40 or less 30 or less 30 or less 30 or less 30 or less 30 or less μS cm 25 C 1 800 or less 300 or less 400 or less 400 or less 300 or less 300 or less 300 or less 300 or less 300 or less Chloride ion mgCl l 200 or less 50 or less 50 or less 50...

Страница 80: ...top the chiller units operation 2 When external water pumps are used and are controlled by group input output signals the water pump will begin its stopping process automaticallyNote For water pumps not using group input output signals ensure the stopping procedure is performedNote When the chiller has a built in inverter driven water pump the water pump will begin its stopping process automatical...

Страница 81: ... air accumulated inside the water piping system Is the water shared with other heat pump Is the pressure of suction pipe negative Too much resistance for suction pipe Water is accumulating on the surface of the water pump Are there any water leaks visible when carrying out the visible inspection Water drains from the bottom of the chiller base causing the surface around the chiller to get wet Is t...

Страница 82: ...connection in communication line wiring Repair communication line Inverter communication function error Replace inverter CPU board communication port error Replace CPU board Open circuit condition or loose connection in communication line wiring Repair communication line CPU board communication port error Replace CPU board Module controller error Replace module controller Open circuit condition or...

Страница 83: ...cleaning Water pressure sensor error value Repair wiring change water pressure sensor Inappropriate flow control parameter Adjust flow control parameter The inlet and outlet pipes have been reversed Repair the inlet and outlet pipes Applicable water temperature thermistor error value Repair wiring change thermistor Rapid increase decrease in water flow rate Same as Low flow rate protection Open ci...

Страница 84: ... error value heat pump only Repair wiring change thermistor Low pressure sensor error value Repair wiring change sensor EEV board error Replace EEV board 72 Exp valve2 abnormal Same as Exp valve1 abnormal Same as Exp valve1 abnormal Four way valve main unit error Replace four way valve main unit Four way valve coil error Replace four way valve coil Open circuit condition or loose connection in con...

Страница 85: ...trol wiring A power outage occurred Repair the power supply Overload Improve working conditions to reduce the load Cooling fan error Replace cooling fan Open circuit condition or loose connection in control wiring Repair the control wiring Heat sink sensor error value Repair wiring change sensor PWM board error Replace PWM board Temperature sensor error Replace temperature sensor PWM board error R...

Страница 86: ...ischarge of air C6 FAN ctrl board err Fan motor error Replace fan motor Fan motor error Replace fan motor The power supply s voltage or frequency is outside the specified range Operate the unit within the specified working range Insufficient space for the suction and discharge of air Ensure enough space has been provided for the suction and discharge of air Open circuit condition or loose connecti...

Страница 87: ...RUAGP421H7R8E RUAGP421H7NR8E RUAGP421C7R8E RUAGP421C7NR8E RUAGP511HL8E RUAGP511HLN8E RUAGP511CL8E RUAGP511CLN8E RUAGP511H18E RUAGP511H1N8E RUAGP511C18E RUAGP511C1N8E RUAGP511H28E RUAGP511H2N8E RUAGP511C28E RUAGP511C2N8E RUAGP511H38E RUAGP511H3N8E RUAGP511C38E RUAGP511C3N8E RUAGP511H58E RUAGP511H5N8E RUAGP511C58E RUAGP511C5N8E RUAGP511H78E RUAGP511H7N8E RUAGP511C78E RUAGP511C7N8E RUAGP511HLR8E RUAG...

Страница 88: ...RUAGP511F5R8E RUAGP511F5NR8E RUAGP511F7R8E RUAGP511F7NR8E Commercial name Universal Smart X Complies with the provisions of the Machinery Directive 2006 42 EC and the regulations transposing into national law Complies with the provisions of the following harmonized standard EN 378 2 2008 A1 2016 Note This declaration becomes invalid if technical or operational modifications are introduced without ...

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