Hitachi RAC-18WPB Technical Catalogue
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- Service manual (109 pages)
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Summary of Contents for Hitachi RAC-18WPB
- Page 1 Библиотека СОК TECHNICAL CATALOGUE MONO SPLIT RAC-18WPB RAC-25WPB RAK-18RPB RAK-25RPB RAC-35WPB RAK-35RPB RAK-50RPB RAC-50WPB...
- Page 2 HITACHI Specifications in this catalogue are subject to change without prior notice in order for HITACHI to bring in the latest innovations to their customers Whilst every effort is made to ensure that all dimensions and specifications are correct, any printers’...
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Page 3: Table Of Contents
RAC-18WPB, RAC-25WPB, RAC-35WPB _________________________________________________ 23 7.3. RAC-50WPB ________________________________________________________________________ 24 REFRIGERANT CYCLE _______________________________________________________________ 25 8.1. WALL TYPE: RAK-18RPB/25RPB / RAC-18WPB/25WPB _____________________________________ 25 8.2. WALL TYPE: RAK-35RPB / RAC-35WPB __________________________________________________ 25 8.3. WALL TYPE: RAK-50RPB / RAC-50WPB __________________________________________________ 26 CONTROL AND FUNCTION ____________________________________________________________ 27 9.1. - Page 4 CONTENTS OPTION LIST _______________________________________________________________________ 36 10.1. WIRED REMOTE CONTROL – SPX-RCDB ________________________________________________ 36 10.1.1. SHIFT VALUE _______________________________________________________________________ 36 10.1.2. ERROR CODE INFORMATION __________________________________________________________ 37 10.2. H-LINK ADAPTOR – PSC 6RAD _________________________________________________________ 40 10.2.1. SAFETY SUMMARY __________________________________________________________________ 40 10.2.2. INSTALLATION WORK ________________________________________________________________ 40 10.2.3.
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Page 5: Specifications
NOTE: 1. The nominal cooling and heating capacity is the 2. The Sound Pressure Level is based on the following combined capacity of the HITACHI standard split conditions: system, and are based on the ISO 5151. 0.8 meter beneath indoor height center... -
Page 6: Wall Type (Rac-18Wpb/25Wpb/35Wpb/50Wpb)
SPECIFICATIONS 1.2. WALL TYPE (RAC-18WPB/25WPB/35WPB/50WPB) OUTDOOR UNIT RAC-18WPB RAC-25WPB RAC-35WPB RAC-50WPB Nominal Cooling capacity (min - max) 2.00 (0.90 - 2.50) 2.50 (0.90 - 3.10) 3.50 (0.90 - 4.00) 5.00 (1.90 - 5.20) Nominal Heating capacity (min - max) 2.50 (0.90 - 3.20) 3.40 (0.90 - 4.40) -
Page 7: Dimensional Data
DIMENSIONAL DATA 2 DIMENSIONAL DATA 2.1. WALL TYPE: RAK-18RPB/25RPB Top air suction grille Front panel Cabinet Mounting plate Horizontal air deflector Air outlet Drain When piping is drawn from the left side, exchange the drain hose and the drain cap. Drain cap connection port Drain hose About... -
Page 8: Wall Type: Rak-35Rpb/50Rpb
DIMENSIONAL DATA 2.2. WALL TYPE: RAK-35RPB/50RPB... -
Page 9: Wall Type: Rac-18Wpb/25Wpb
DIMENSIONAL DATA 2.3. WALL TYPE: RAC-18WPB/25WPB... -
Page 10: Wall Type: Rac-35Wpb
DIMENSIONAL DATA 2.4. WALL TYPE: RAC-35WPB... -
Page 11: Wall Type: Rac-50Wpb
DIMENSIONAL DATA 2.5. WALL TYPE: RAC-50WPB Unit: mm... -
Page 12: Capacities Table
Conditions: ①Pipe length / height difference : 5m / 0m ③Capacity loss due to white frost and defrost operation is not included. ②Indoor fan speed at High mode 3.1.1. RAK-18RPB/RAC-18WPB COOLING [50Hz, 230V] INDOOR OUTDOOR TEMPERATURE (°CDB) EWB EDB °C °C... -
Page 13: Rak-25Rpb/Rac-25Wpb
CAPACITIES TABLE 3.1.2. RAK-25RPB/RAC-25WPB COOLING [50Hz, 230V] INDOOR OUTDOOR TEMPERATURE (°CDB) EWB EDB °C °C TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI 12.0 18 1945 1470 391 2203 1960 464 2039 1809 547 2050 1829 644 1975 1749 672 1850 1648 721 1775 1568 749 14.0 20 1945 1470 391 2367 1960 464 2203 1828 553 2200 1829 651 2125 1769 679 1975 1648 728 1900 1588 763 16.0 22 1945 1564 397 2531 1960 470 2344 1828 560 2350 1829 658 2275 1769 693 2125 1648 742 2050 1588 770 18.0 25 2086 1677 403 2695 2129 476 2484 1979 566 2500 1990 665 2400 1910 693 2250 1789 749 2150 1709 777... -
Page 14: Rak-50Rpb/Rac-50Wpb
CAPACITIES TABLE 3.1.4. RAK-50RPB/RAC-50WPB COOLING [50Hz, 230V] INDOOR OUTDOOR TEMPERATURE (°CDB) EWB EDB °C °C TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC TC SHC PI TC SHC 12.0 18 3037 2181 679 3668 3102 861 3395 2864 1014 4100 3478 1435 3950 3325 1498 3700 3134 1607 3550 2981 1669 14.0 20 3037 2181 679 3941 3102 861 3668 2894 1026 4400 3478 1451 4250 3363 1513 3950 3134 1622 3800 3019 1700 16.0 22 3037 2321 690 4215 3102 872 3902 2894 1038 4700 3478 1466 4550 3363 1544 4250 3134 1654 4100 3019 1716 18.0 25 3256 2489 701 4488 3371 883 4137 3132 1050 5000 3784 1482 4800 3631 1544 4500 3402 1669 4300 3249 1732... -
Page 15: Correction Factors According To Piping Length
Units in Meters Actual One-Way Piping Length Between Indoor Unit and Outdoor Unit in Meters Equivalent Total Distance Between Indoor Unit and Outdoor Unit in Meters (Equivalent One-Way Piping Length) Models : RAK-18RPB/RAC-18WPB, RAK-25RPB/RAC-25WPB Pipe length (m) Pipe length (m) - Page 16 CAPACITIES TABLE Models : RAK-35RPB/RAC-35WPB Pipe length (m) Pipe length (m) Models : RAK-50RPB/RAC-50WPB Pipe length (m) Pipe length (m)
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Page 17: Correction Factors According To Defrosting Operation
CAPACITIES TABLE 3.3. CORRECTION FACTORS ACCORDING TO DEFROSTING OPERATION The heating capacity in the preceding paragraph, excludes the condition of the frost or the defrosting operation period. In consideration of the frost or the defrosting operation, the heating capacity is corrected by the equation below. Corrected heating capacity = Defrost Correction factor x unit capacity OUTDOOR TEMPERATURE (°CDB) -
Page 18: Sound Data
SOUND DATA 4 SOUND DATA 4.1. RAC-18WPB COOLING NC-70 NC-65 NC-60 NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 NC-15 43.3 40.7 36.4 34.4 33.1 32.6 32.1 27.3 1000 2000 4000 8000 Octave band main wave length (Hz) HEATING NC-70 78.1... -
Page 19: Rac-25Wpb
SOUND DATA 4.2. RAC-25WPB COOLING NC-70 NC-65 NC-60 NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 45.9 44.9 NC-15 41.2 35.8 33.6 33.5 1000 2000 4000 8000 Octave band main wave length (Hz) HEATING NC-70 NC-65 NC-60 NC-55 NC-50 NC-45 NC-40 NC-35 54.9... -
Page 20: Rac-35Wpb
SOUND DATA 4.3. RAC-35WPB COOLING NC-70 NC-65 NC-60 NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 45.2 44.3 NC-15 40.1 36.1 32.6 1000 2000 4000 8000 Octave band main wave length (Hz) HEATING NC-70 NC-65 NC-60 NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25... -
Page 21: Rac-50Wpb
SOUND DATA 4.4. RAC-50WPB COOLING NC-70 NC-65 NC-60 NC-55 NC-50 NC-45 NC-40 57.4 NC-35 55.5 NC-30 NC-25 47.5 NC-20 46.8 45.1 NC-15 43.4 33.5 1000 2000 4000 8000 Octave band main wave length (Hz) HEATING NC-70 NC-65 NC-60 NC-55 NC-50 NC-45 NC-40 58.0... -
Page 22: Working Range
Within a 3% Deviation from Each Voltage at the Main Terminal of Voltage Imbalance Outdoor Unit Starting Voltage Higher than 85% of the Rated Voltage 5.2. WORKING RANGE Applicable models: RAC-18WPB RAC-25WPB RAC-35WPB RAC-50WPB The temperature range is indicated in the following table. Cooling Heating... -
Page 23: Electrical Data
6.2. OUTDOOR UNIT Unit Main Power Compressor Motor Cooling Operation Heating Operation Model VOL, PH, Hz Fuse Rating (A) Min (V) Max (V) Locked Rotor Ampere (A) STC RAC-18WPB 230, 1, 50 3.49 4.39 4.22 RAC-25WPB 230, 1, 50 4.56 5.61... -
Page 24: Wiring Diagram
WIRING DIAGRAM 7 WIRING DIAGRAM 7.1. RAK-18RPB, RAK-25RPB, RAK-35RPB, RAK-50RPB... -
Page 25: Rac-18Wpb, Rac-25Wpb, Rac-35Wpb
WIRING DIAGRAM 7.2. RAC-18WPB, RAC-25WPB, RAC-35WPB RAC-18WPB, RAC-25WPB, RAC-35WPB... -
Page 26: Rac-50Wpb
WIRING DIAGRAM 7.3. RAC-50WPB RAC-50WPB... -
Page 27: Refrigerant Cycle
REFRIGERANT CYCLE CYC REFRIGERANT CYCLE 8.1. WALL TYPE: RAK-18RPB/25RPB / RAC-18WPB/25WPB 8.2. WALL TYPE: RAK-35RPB / RAC-35WPB... -
Page 28: Wall Type: Rak-50Rpb / Rac-50Wpb
REFRIGERANT CYCLE 8.3. WALL TYPE: RAK-50RPB / RAC-50WPB... -
Page 29: Control And Function
CONTROL AND FUNCTION 9 CONTROL AND FUNCTION 9.1. WIRELESS REMOTE CONTROL FUNCTION REMOTE CONTROLLER TYPE RAR-6N1 RAR-6N2 RAK-35RPB RAK-18RPB RAK-50RPB RAK-25RPB... - Page 30 CONTROL AND FUNCTION BUTTONS FUNCTION MODE Selector Use this button to select the operationg mode. Every time you press this button, the mode will change from cyclically. FAN SPEED Selector Button This determines the fan speed. Every time you press this button, the airflow rate will change from (This button allows selection of optimal or preferred fan speed for each operation mode).
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Page 31: Auto Changeover
CONTROL AND FUNCTION 9.2. AUTO CHANGEOVER COOLING/HEATING mode is decided by the room temperature. COOLING/HEATING mode is decided during the COOLING/HEATING mode is decided in initial startup of Automatic Operation intervals after the initial startup of Automatic Initial startup of Automatic Operation means the Operation (also known as Auto Changeover following either condition: function) -
Page 32: Operation Lock
CONTROL AND FUNCTION NOTE: There are total of 7 shift values ranging from -3 to 3. The displayed shift value, symbol on the remote controller display will be disappear after 10 seconds The changed shift value will remain unchanged after turned off the power. If “0”... -
Page 33: Intermittent Fan Speed Setting
CONTROL AND FUNCTION 9.6. INTERMITTENT FAN SPEED SETTING The intermittent fan control during thermo off in Heating Mode can be changed by the remote controller. (This procedure should be done only by service personnel.) It is possible to select from 3 patterns. PROCEDURE Press [START/STOP] button,... -
Page 34: Fan Speed Setting In Thermo Off In Cooling
CONTROL AND FUNCTION 9.7. FAN SPEED SETTING IN THERMO OFF IN COOLING The fan speed in Cooling Mode during thermo off can be changed by the remote controller. (This procedure shall be implemented strictly by service personnel only.) It is possible to return it to the default setting. PROCEDURE [TIME ∧(UP)] button sim ultaneously for about 5 seconds when the rem ote Press... -
Page 35: Error Code Information
CONTROL AND FUNCTION 9.8. ERROR CODE INFORMATION In case failure occurs to the air conditioner, by pressing (INFO) button, an error code will be displayed. Direct the remote controller towards the receiver of indoor unit (within 2 meters in from of indoor unit) and press (INFO) button. - Page 36 CONTROL AND FUNCTION LD301 Lit TIMER LAMP BLINKING CODE MEANING LD302 BLINKING 4 times 1 times Overheat thermostat 4 times 2 times Defrost thermostat 4 times 3 times Outdoor temperature thermostat 4 times 4 times Narrow pipe thermostat (indoor 1) 4 times 5 times Wide pipe thermostat (indoor 1)
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Page 37: Additional Function Via Dip-Switch Settings
CONTROL AND FUNCTION 9.9. ADDITIONAL FUNCTION VIA DIP-SWITCH SETTINGS A new DIP Switch is available on the PWBs of the indoor unit that provide additional functions via the settings on the switches. Air conditioner Indoor PWB ↕ DIP SW Label Pin No. -
Page 38: Option List
OPTION LIST 10 OPTION LIST 10.1. WIRED REMOTE CONTROL – SPX-RCDB BUTTONS FUNCTION MODE Selector Use this button to select the operationg mode. Every time you press this button, the mode will change from cyclically. FAN SPEED Selector Button This determines the fan speed. Every time you press this button, the airflow rate will change from (This button allows selection of optimal or preferred fan speed for each operation mode). -
Page 39: Error Code Information
OPTION LIST 10.1.2. ERROR CODE INFORMATION In case failure occurs to the air conditioner, the error code will constantly appear on the wired remote controller display. TIMER LD301 LAMP CODE MEANING BLINKING BLINKING Normal Refrigerant cycle fault 1 time 2 times Outdoor unit is under forced operation Communication error between indoor and outdoor 3 times... - Page 40 OPTION LIST TIMER LD301 LAMP CODE MEANING BLINKING BLINKING 4 times 6 times OH thermistor temperature rise 4 times 7 times Abnormal outdoor thermistor 4 times 8 times Accelaration defective 4 times 9 times Communication error 4 times 10 times Abnormal power source 4 times 11 times...
- Page 41 OPTION LIST LD301 Lit TIMER LD302 LAMP CODE MEANING BLINKING BLINKING 4 times 3 times Outdoor temperature thermostat 4 times 4 times Narrow pipe thermostat (indoor 1) 4 times 5 times Wide pipe thermostat (indoor 1) 4 times 6 times Narrow pipe thermostat (indoor 2) 4 times 7 times...
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Page 42: H-Link Adaptor - Psc 6Rad
Install RAC adaptor in the vertical surface as shown connection by yourself. Contact your distributor or below. dealer of HITACHI and ask then for installation work and electrical wiring by service person. The specified Upper side cable should be used to connect (i) room air conditioner and adaptor, and (ii) controller and adaptor. -
Page 43: Electrical Wiring
– DO NOT touch the adhesive part by fingers nor re- attach it many times. The adhesiveness has decreased HITACHI and the RAC adaptor may fall off. PSC 6RAD – DO NOT apply any force within 24 hours after installation. -
Page 44: Dip Switch Setting
OPTION LIST iii) Install the electrical box cover paying attention not to clamp the cable. Read the installation CAUTION: manual of each room air-conditioner for DO NOT turn ON various pins of DSW1 and DSW2 – confirming how to connect and how to Set the refrigerant cycle# by RSW1 and DSW1 assemble the cable of the RAC adaptor. -
Page 45: Test Run
OPTION LIST Terminating resistance is set in whole H-LINK system. Indoor Unit# If H-LINK connecting devices like package air- conditioner are connected besides the RAC Adaptor, set the terminating resistance by those connecting devices. The terminating resistance should be set ON in only one position in whole H- LINK system. -
Page 46: Dry Contact (Spx-Wdc3) Application (Using Dip Switch)
OPTION LIST 10.3. DRY CONTACT (SPX-WDC3) APPLICATION (USING DIP SWITCH) The dry contact system enables the operation of the air conditioner indoor unit to be controlled by using external dry contacts (with non voltage) such as card-key controller or window for facilities such as hotels. Note: Optional Connecting cord Accessory SPX-WDC3 1) DRY CONTACT function is "Enable"... - Page 47 OPTION LIST Example of wiring connection to Card Key Unit will be as below (reference only) CARD KEY UNIT (Prepared by INSTALLER) AIR CONDITIONER INDOOR PCB ② Contact with sleeve Dry contact Card sensor indicator DIP SW (DSW1) POWER ① Connecting Cord to PCB: SUPPLY SPX-WDC3 •...
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Page 48: Distributor - Spx-Dst1
OPTION LIST 10.4. DISTRIBUTOR – SPX-DST1 The optional distributor is to be used together with the wired remote controller when there is a need to centralize the control of multiple indoor units using only a single wired remote controller. A single distributor could be connected further to 3 separate distributors so that up to 13 units of indoor could be controlled by a single wired remote controller. - Page 49 HITACHI TC_ERP-RPB00–03/15...