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Hitachi RAS-3HVRNME-AF Installation And Operation Manual Download Page 38

PMML0205A rev.4 - 11/2012

38

Alarm 

Code

Retry Stop 

Code

Origin

Detail of Abnormality

Main Factors

11

-

Indoor Water inlet thermistor abnormally (THM

WI

)

Loose, disconnected, broken or short-circuited connector

12

-

Indoor Water outlet thermistor abnormally (THM

WO

)

Loose, disconnected, broken or short-circuited connector

13

-

Indoor Indoor Liquid Pipe Temp Thermistor Abnormality (THM

L

) Loose, disconnected, broken or short-circuited connector

14

-

Indoor Indoor Gas Pipe Temp. Thermistor Abnormality (THM

G

) Loose, disconnected, broken or short-circuited connector

15

-

Indoor Water outlet C2 thermistor abnormally (THM

WO2

)

Loose, disconnected, broken or short-circuited connector

16

-

Indoor Water DHWT thermistor abnormally (THM

DHWT

)

Loose, disconnected, broken or short-circuited connector

17

-

Indoor Swimming pool thermistor abnormally (THM

SWP

)

Loose, disconnected, broken or short-circuited connector

18

-

Indoor Water outlet boiler thermistor abnormally (THM

WO3

)

Loose, disconnected, broken or short-circuited connector

20

-

Outdoor Compressor-Top Temp Thermistor Abnormality

Loose, disconnected, broken or short-circuited connector

21

-

Indoor 2nd ambient thermistor  abnormally (THM

AMB2

) 

Loose, disconnected, broken or short-circuited connector

22

-

Outdoor Outdoor Temp Thermistor Abnormality

Loose, disconnected, broken or short-circuited connector

24

-

Outdoor Outdoor Heat Exchanger Liquid Pipe Thermistor

Abnormality

Loose, disconnected, broken or short-circuited connector

31

-

Outdoor Indoor/Outdoor Combination Setting Error

Outdoor/Indoor Unit capacity setting error, Indoor total 

capacity excessively large/small

35

-

Outdoor Indoor Unit Number Setting Error

Indoor units with the same number exist in a refrigerant 

piping system

38

-

Outdoor Outdoor Protection Detection Circuit Abnormality

Outdoor PCB abnormality, Error in wiring to outdoor PCB

41

-

Outdoor Cooling Overload

Outdoor heat exchanger clogging/short circuit, Broken 

outdoor fan motor

42

-

Outdoor Heating Overload

Outdoor heat exchanger clogging/short circuit, Expansion 

valve close-locked

47

15

Outdoor Suction Pressure Decrease Prevention Activated

Shortage or leakage of refrigerant, piping clogging, 

Expansion valve close-locked, Fan motor locked

48

17

Outdoor Overload Operation Protection Activation

Cycle abnormality, Inverter PCB abnormality, DM 

abnormality, Heat exchanger clogging, etc.

51

17

Outdoor Inverter Current Sensor Abnormality

Error in CT wiring, Outdoor PCB abnormality, Inverter 

PCB abnormality

53

17

Outdoor Inverter Module Error

Compressor, ISPM abnormality, Heat exchanger clogging, 

etc.

54

P7

Outdoor Inverter Fin Temp. Abnormality

Fin thermistor abnormality, Heat exchanger clogging, Fan 

motor abnormality

55

18

Outdoor Inverter Non-Operation

Inverter not operating or broken

57

Outdoor

Abnormality of fan motor protection (DC fan motor)

59

-

Outdoor Inverter Fin Temp Thermistor Abnormality

Loose, disconnected, broken or short-circuited connector

b1

-

Outdoor Error in Address/Refrigerant System Setting

Address/refrigerant system setting over 64

EE

-

Outdoor Compressor Factor Alarm

Alarm to notify damage to compressor occurs 3 times 

within 6 hours

70

P-70

Indoor Hydraulic alarm

Water pressure or water flow is not detected in the 

hydraulic cycle

71

-

Indoor Water Pump Feedback

72

-

Indoor Thermostat Heater Alarm

High temperature is detected in Electric Heater T>75ºC

73

-

Indoor Mixing over-temperature limit protection for Mixed

circuit.

Circuit 2 supply temperature > Target tempe 

offset

74

P-74

Indoor Unit over-temperature limit protection

75

-

Indoor Freeze Protection by Cold water inlet, outlet

temperature detection

76

-

Indoor Freeze Protection Stop by indoor liquid temperature

thermistor 

77

-

Indoor Opentherm Communication failure

No Opentherm communication for a continuous period of 1 

minute.

78

-

Indoor RF Communication failure

There is no communication for 1 hour with one or two RF 

receivers which are bound to the RF-Bridge.

79

-

Indoor

-outdoor Unit Capacity setting Error

There is no concordance between indoor outdoor unit 

capacity 

80

-

Indoor-

LCD

LCD H-link transmission error

No H-link communication for a continuous period of 

1 minute between Indoor and LCD User control by 

connection wiring (breaking, wiring error, etc.)

81

-

Indoor Incorrect PCB operation

TROUBLESHOOTING

Summary of Contents for RAS-3HVRNME-AF

Page 1: ...INSTALLATION AND OPERATION MANUAL YUTAKI S S80 Series RAS 3 6 H V RNME AF Outdoor Unit ...

Page 2: ......

Page 3: ...hout notice in order that HITACHI may bring the latest innovations to their customers Whilst every effort is made to ensure that all specifications are correct printing errors are beyond Hitachi s control Hitachi cannot be held responsible for these errors ...

Page 4: ...ing to the appropriated local or national regulations in a environmentally correct way Due to the refrigerant oil and other components contained in Air Conditioner its dismantling must be done by a professional installer according to the applicable regulations Contact to the corresponding authorities for more information ...

Page 5: ... result in severe injury or death WARNING Hazards or unsafe practices which COULD result in severe personal injuries or death CAUTION Hazards or unsafe practices which COULD result in minor personal injury or product or property damage ...

Page 6: ......

Page 7: ... gases it is mandatory to fill in the label attached to the unit with the total amount of refrigerant charged on the installation Do not vent R410A R407C into the atmosphere R410A R407C are fluorinated greenhouse gases covered by the Kyoto protocol global warming potential GWP R410A R407C 1975 1652 5 ...

Page 8: ...ounts Factory Charge Additional Charge Total Charge 2 Stick the Protection Plastic Film on the F Gas Label delivered in a plastic bag with the Manual To see Figure nº 2 Figure 1 F Gas Label with Protection Plastic Film Figure 2 Protection Plastic Film Protection Plastic Film Adhesive Surface Peel off Paper ...

Page 9: ...according to the model name which is your air conditioner type how it is abbreviated and referred to in this instruction manual This Installation and Operation Manual is only related to RWM H FSN3E RWH FS V NFE combined with Outdoor Units H V RNME AF ...

Page 10: ...N ΜΟΝΤΕΛΑ ΜΕ ΑΝΤΛΙΑ ΘΕΡΜΟΤΗΤΑΣ Single Phase Monofásico Einphasig Monophasé Monofase Monofásico Enfaset Eenfasig En fas Μονοφασικά Three Phase Trifásico Dreiphasig Triphasé Trifase Trifásico Trefaset Driefasig Trefasig Tριφασικά RAS 3HVRNME AF RAS 4HVRNME AF RAS 4HRNME AF RAS 5HVRNME AF RAS 5HRNME AF RAS 6HVRNME AF RAS 6HRNME AF 1 3N RAS RAS 6H V RNME AF Unit type outdoor unit RAS Compressor Power ...

Page 11: ... 5 0FSVNFE RWH 5 0FSNFE RWM 6 0FSN3E RWM 6 0HFSN3E RWH 6 0FSVNFE RWH 6 0FSNFE 1 1 1 3N 1 3N 1 3N RWM RWH RWM 5 0 H FSN3E Unit type indoor unit water module medium temperature Compressor power HP 3 0 4 0 5 0 6 0 Made in Europe Series Refrigerant R410A Only heating unit System Free RWH 5 0FS V NFE Unit type indoor unit water module high temperature Compressor power HP 4 0 5 0 6 0 Made in Europe Refr...

Page 12: ...G PARTIE I FONCTIONNEMENT 1 CONSIGNES DE SÉCURITÉ 2 REMARQUES IMPORTANTES 3 DESCRIPTION DU SYSTÈME 4 AVANT L UTILISATION 5 CONTRÔLES AUTOMATIQUES 6 DÉPANNAGE DE BASE PARTIE II INSTALLATION 7 NOMENCLATURE DES PIÈCES 8 CYCLE FRIGORIFIQUE 9 INSTALLATION DES UNITÉS 10 TUYAUTERIE FRIGORIFIQUE ET CHARGE DU FLUIDE FRIGORIGÈNE 11 TUYAU D ÉVACUATION 12 CÂBLAGE ÉLECTRIQUE 13 TEST DE FONCTIONNEMENT 14 SOMMAI...

Page 13: ...SÄKERHETSSAMMANFATTNING 2 VIKTIG ANMÄRKNING 3 SYSTEMÖVERSIKT 4 FÖRE DRIFT 5 AUTOMATIK KONTROLLANORDNING 6 FELSÖKNING DEL II INSTALLATION 7 DELAR 8 KYLMEDIETS CYKEL 9 INSTALLATION AV ENHETER 10 KYLRÖR OCH PÅFYLLNING AV KYLMEDIUM 11 DRÄNERINGSRÖR 12 KABELANSLUTNINGAR 13 PROVKÖRNING 14 säkerhetssammanfattning OCH SÄKERHETSINSTÄLLNINGAR 15 FELSÖKNING ΜΕΡΟΣ Ι ΛΕΙΤΟΥΡΓΙΑ 1 ΣΥΝΟΠΤΙΚΕΣ ΠΡΟΦΥΛΑΞΕΙΣ ΑΣΦΑΛΕΙ...

Page 14: ......

Page 15: ...operate as well as for other models DANGER Pressure Vessel and Safety Device This heat pump is equipped with a high pressure vessel under PED Pressure Equipment Directive The pressure vessel has been designed and tested before shipment according to PED Also in order to prevent the system from an abnormal pressure a high pressure switch which needs no field adjustment is utilized in the refrigerati...

Page 16: ...remove the cause NOTE The label for the vessel under PED are attached on the high pressure vessel The pressure vessel capacity and vessel category are indicated on the vessel Location of High Pressure Switch Compressor NOTE The high pressure switch is indicated on the electrical wiring diagram in the outdoor unit as PSH connected to printed circuit board PCB1 in the outdoor unit Structure of High ...

Page 17: ... activation of the outdoor thermistor until the temperature becomes low HOT START DURING HEATING OPERATION To prevent cold air discharge the fan speed is controlled from the slow position to the set position according to the discharge air temperature At this time the lover is fixes horizontally 6 BASIC TROUBLESHOOTING CAUTION When you smell or white smoke occurs from the unit stop the system and c...

Page 18: ...rt Name 1 Compressor 2 Heat Exchanger 3 Fan 4 Fan Motor 5 Strainer 6 Distributor 7 Reversing Valve 8 Expansion Valve 9 Solenoid Valve 10 Stop Valve for Gas Line 11 Stop Valve for Liquid Line 12 Receiver 13 Check Joint 14 Electrical Control Box 15 High Pressure Switch 16 Pressure Switch 17 Crankcase Heater for Compressor 18 Vibration Isolation Rubber 19 Air Outlet 20 Air Inlet NAME OF PARTS ...

Page 19: ... Connection Refrigerant Airtight Test Pressure Nº Name of Item Nº Name of Item 1 Compressor 9 High Pressure Switch Protection 2 Heat Exchanger 10 Stop Valve for Gas Line 3 Filter 11 Stop Valve for Liquid Line 4 Expansion valve 12 Pressure Switch Control 5 Reverse Valve 13 Solenoid Valve 6 Filter 1 2 14 Ambient Thermistor 7 Distributor 15 Evaporating Pipe Thermistor 8 Check Joint 16 Discharge Gas T...

Page 20: ...fire Work with sufficient ventilation for working in an enclosed space may cause oxygen deficiency Toxic gas may be produced when cleaning agent is heated to high temperature by e g being exposed to fire Cleaning liquid shall be collected after cleaning Pay attention not to clamp cables when attaching the service cover to avoid electric shock or fire CAUTION Keep clearance between the units of mor...

Page 21: ... and left sides When subject to direct sunlight on the back wall ensure the length marked with be 500 or greater Upper Side Blocked 100 mm or more of the side space is acceptable on the service cover side Dimensions in shows numbers especially for 4 6 HP Allow 100 mm of space between units Leave open both right and left sides Dimensions in shows numbers especially for 4 6 HP Be sure to use the fan...

Page 22: ...en units Serial installation allowed up to two units Leave open both right and left sides H l The length A is as shown in the following table When L H use a base for outdoor unit to make L H Close the base not to allow the outlet air bypassed L A 0 L 1 2H 200 1 2H L H 300 The length A is as shown in the following table When L H use a base for outdoor unit to make L H Close the base not to allow th...

Page 23: ... avoid the drain water from upper unit falling on the lower unit Be sure to use the fan direction guide Allow 100mm of space between units Serial sideway installation allowed but leave open both right and left sides Close the part A not to allow the outlet air bypassed Install to avoid the drain water from upper unit falling on the lower unit Multiple Installation in Multiple Rows Serial Installat...

Page 24: ...cult to remove Service Cover Mortar Hole Ø100xDepth 150 Anchor Bolt M10 Ø12 5 Hole Drainage Wide 100xDepth 150 Drainage Vibration proof rubber 5 The whole of the base of the outdoor unit should be installed on a foundation When using vibration proof mat it should also be positioned the same way When installing the outdoor unit on a field supplied frame use metal plates to adjust the frame width fo...

Page 25: ...figure indicates field supplied stay 2 Ensure the foundation so that avoid the deforming and noise 3 In case of prevention from vibration transfer to the building use rubber Mat Suspended unit 1 Suspend the unit as the drawing indicates 2 Ensure that wall can resist the Outdoor unit weight indicated in specification label plate 3 It is recommended to select each foot support to bear the full weigh...

Page 26: ...e piping work Pipe Cover Right side piping work Bottom side piping work Knock out hole Front side piping work Piping work Stop Valve Removing Direction for Service Cover CAUTION Notes to open close the service cover Remove the screws following the instructions to the above figure Slowly press down the cover NOTE Hold the cover with a hand to remove screws as the cover may fall down For the front a...

Page 27: ...Ring Rubber Spindle valve Open Counterclockwise Close Clockwise Tighten torque N m Valve type Model A B C D Liquid Valve 3 6HP 7 9 34 42 34 42 14 18 Gas Valve 3 6HP 9 11 34 42 68 82 14 18 Outdoor unit stop valve Do not apply two spanners at this position If applied leakage will occur Stop valve Flare nut CAUTION At the test run fully open the spindle If not fully opened the devices will be damaged...

Page 28: ...n and will circulate in the cycle resulting in clogged expansion valves etc This will cause bad influence to the compressor Use a reducer valve when nitrogen gas blowing is performed during brazing The gas pressure should be maintained within 0 03 to 0 05 MPa If a excessively high pressure is applied to a pipe it will cause an explosion 10 5 Caution of the pressure by check joint When the pressure...

Page 29: ...e flare nut and union of the piping connection with thermal insulation Liquid line Liquid stop valve Gas stop valve Nitrogen tank For air Tight test Nitrogen blow during brazing Vacuum cylinder Manifold gauge Outdoor unit Example of Refrigerant Charge 10 6 1 REFRIGERANT charging quantity Outdoor unit is factory charged with a refrigerant charge amount for 30m of piping length The maximum refrigera...

Page 30: ...lying with IEC 61000 3 2 professional use RAS 3HVRNME AF RAS 4HRNME AF RAS 5HRNME AF RAS 6HRNME AF Equipment complying with IEC 61000 3 12 RAS 4HVRNME AF RAS 5HVRNME AF RAS 6HVRNME AF 4 Check to ensure that the power supply voltage is within 10 of the rated voltage 5 Check to ensure that power supply has an impedance low enough to warranty not reduce the starting voltage more than 85 of the rated ...

Page 31: ...tches for Outdoor Unit Quantity and Position of DIP Switches The PCB in the Outdoor Unit is operating with 5 types of DIP Switches 1 Slide Switch and 3 Push Switch The location is as follows DSW1 For Test Run Setting before shipment DSW2 Optional Function Setting Setting before shipment DSW3 Capacity 3HVRNME AF 4HVRNME AF Setting position 5HVRNME AF 6HVRNME AF 4HRNME AF 5HRNME AF 6HRNME AF Refrige...

Page 32: ...e of power source wiring when multiple outdoor units are connected from one power source line The recommended breaker sizes are shown in Table of electrical data and recommended Wiring Breaker Size 1 O U In the case that a conduit tube for field wiring is not used fix rubber bushes with adhesive on the panel All the field wiring and equipment must comply with local and international codes ATTENTIO...

Page 33: ...7 0 4 x 2 5 mm GND RAS 5HRNME AF 11 0 4 x 4 0 mm GND RAS 6HRNME AF 13 0 4 x 4 0 mm GND NOTE Follow local codes and regulations when selecting field wires Circuit breakers and Earth Leakage breakers Use the wires which are not lighter than the ordinary polychloroprene sheathed flexible cord code designation H05RN F Select the main switches in according to the next table Model Combination Power Sour...

Page 34: ...e has been ON for more than 12 hours in order to give the oil heater time to warm the compressor In three phase unit check phase sequence connection on terminal board Check the power supply voltage 10 of the rated voltage Check that field supplied electrical components main switches breakers wires conduit connectors and wire terminals have been properly selected according to the electrical specifi...

Page 35: ...tures Set point I II RUN T III OFF SUM TEST RUN OUTDOOR UNIT Pending time 44h 20m 19s Operation display parameters System Operation Unit Status Actual temperatures Set point On that screen it could be cancelled the test User could move on same screen through the Operation display parameters menu Note that when test start it will be exit from the installer mode When test run will be set on the outd...

Page 36: ... from the outdoor unit and stopped from the remote control switch the test run function of the remote control switch is cancelled However the test run function of the outdoor unit is not cancelled In case that the plural indoor units are connected with one remote control switch all the units start test run operation at the same time therefore turn the power source OFF for the indoor units not to o...

Page 37: ... Internal Thermostat Cut Out o C For Control Circuit A 5 5 5 5 Fuse Capacity on PCB 15 TROUBLESHOOTING Alarm Code Indication of Remote Control Switch Alarm indication Alarm code NOTE For information about troubleshooting by 7 segment please refer to the Service Manual Alarm Code Retry Stop Code Origin Detail of Abnormality Main Factors 02 Outdoor Activation of Outdoor Unit Protection Device Except...

Page 38: ... 47 15 Outdoor Suction Pressure Decrease Prevention Activated Shortage or leakage of refrigerant piping clogging Expansion valve close locked Fan motor locked 48 17 Outdoor Overload Operation Protection Activation Cycle abnormality Inverter PCB abnormality DM abnormality Heat exchanger clogging etc 51 17 Outdoor Inverter Current Sensor Abnormality Error in CT wiring Outdoor PCB abnormality Inverte...

Page 39: ...uited or cut 128 2nd cycle Failure of suction gas temperature thermistor The suction gas temperature thermistor is short circuited or cut 129 2nd cycle Failure of discharge gas pressure sensor The high pressure sensor is short circuited or cut 130 2nd cycle Failure of suction gas pressure sensor The low pressure sensor is short circuited or cut 132 2nd cycle Abnormal transmission between Inverter ...

Page 40: ...PMML0205A rev 4 11 2012 Printed in Spain ...

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