Related Manuals for Hitachi RAC-25WXE
Summary of Contents for Hitachi RAC-25WXE
- Page 1 TECHNICAL CATALOGUE MONO SPLIT RAC-25WXE RAC-35WXE RAK-25RXE RAK-35RXE RAK-50RXE RAC-50WXE...
- Page 2 Whilst every effort is made to ensure that all dimensions and specifications are correct, any printers’ error not rectified are outside the control of HITACHI, who cannot be held responsible for the same...
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Page 3: Table Of Contents
INDOOR UNIT ________________________________________________________________________ 16 6.2. OUTDOOR UNIT ______________________________________________________________________ 16 WIRING DIAGRAM ____________________________________________________________________ 7.1. RAK-25RXE, RAK-35RXE, RAK-50RXE ____________________________________________________ 17 7.2. RAC-25WXE, RAC-35WXE, RAC-50WXE ___________________________________________________ 18 REFRIGERANT CYCLE _________________________________________________________________ 8.1. WALL TYPE: RAK-25RXE/RAC-25WXE, RAK-35RX /RAC-35WX ______________________________ 19 WALL TYPE: RAK-50RXE / RAC-50WXE ___________________________________________________ 19 8.2. -
Page 4: 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 5: Wall Type (Rac-25Wxe/35Wxe/50Wxe)
SPECIFICATIONS 1.2. WALL TYPE (RAC-25WXE/35WXE/50WXE) OUTDOOR Unit RAC-25WXE RAC-35WXE RAC-50WXE Nominal Cooling capacity (min - max) 2.50 (0.90 - 3.10) 3.50 (0.90- 4.00) 5.00 (1.90- 5.20) Nominal Heating capacity (min - max) 3.20 (0.90- 4.20) 4.00 (0.90- 4.80) 5.80 (2.20- 7.00) Nominal cooling power input (min - max) 0.481 (0.25 - 1.00) -
Page 6: Dimensional Data
DIMENSIONAL DATA 2 DIMENSIONAL DATA 2.1. WALL TYPE: RAK-25RXE/35RXE/50RXE 231.5 231.5 19 .3 (RAK-25/35RXE) 12.7 (RAK-50RXE) -
Page 7: Wall Type: Rac-25Wxe/35Wxe
DIMENSIONAL DATA 2.2. WALL TYPE: RAC-25WXE/35WXE Unit : mm AIR SUCTION View from the rear Drain hole Drain hole Drain hole... -
Page 8: Wall Type: Rac-50Wxe
DIMENSIONAL DATA 2.3. WALL TYPE: RAC-50WXE... -
Page 9: Capacities Table
CAPACITIES TABLE 3 CAPACITIES TABLE 3.1. CAPACITY CHARACTERISTIC CURVES The following charts show the characteristics of outdoor unit capacity, which corresponds with the operating ambient temperature of outdoor unit. Condition: ①Pipe length / height difference : 5m / 0m ③Capacity loss due to white frost and defrost operation is not included. -
Page 10: Rak-35Rxe/Rac-35Wxe
CAPACITIES TABLE 3.1.2 RAK- 35 RXE/RAC- 35 WXE COOLING [50Hz, 230V] INDOOR OUTDOOR TEMPERATURE (°CDW) °C °C 12.0 2767 2169 461 3133 2892 548 2900 2670 646 2870 2657 749 2765 2540 781 2590 2394 838 2485 2278 14.0 2767 2169 461 3367 2892... -
Page 11: Correction Factors According To Piping Length
CAPACITIES TABLE 3.2. CORRECTION FACTORS ACCORDING TO PIPING LENGTH Correction Factor for Cooling Capacity according to Correction Factor for Heating Capacity according to Piping Length Piping Length The cooling capacity should be corrected according to the The heating capacity should be corrected according to the following formula: following formula: CCA = CC x F... - Page 12 CAPACITIES TABLE Models : RAK-25RXE/RAC-25WXE, RAK-35RXE/RAC-35WXE Pipe length (m) Pipe length (m) Models : RAK-50RXE/RAC-50WXE Pipe length (m) Pipe length (m)
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Page 13: 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 14: Sound Data
SOUND DATA 4 SOUND DATA 4.1. RAC-25WXE COOLING 90.0 NC-70 80.0 NC-65 NC-60 NC-55 70.0 NC-50 NC-45 NC-40 60.0 NC-35 NC-30 NC-25 49.0 50.0 46.3 NC-20 46.1 43.4 NC-15 40.5 40.0 37.0 30.4 30.0 24.4 20.0 10.0 1000 2000 4000... -
Page 15: Rac-35Wxe
SOUND DATA 4.2. RAC-35WXE COOLING 90.0 NC-70 80.0 NC-65 NC-60 NC-55 70.0 NC-50 NC-45 NC-40 60.0 NC-35 NC-30 NC-25 49.7 48.4 50.0 46.9 NC-20 45.0 NC-15 41.9 37.9 40.0 32.6 30.0 25.7 20.0 10.0 1000 2000 4000 8000 Octave band main wave length (Hz) HEATING 90.0 NC-70... -
Page 16: Rac-50Wxe
SOUND DATA 4.3. RAC-50WXE COOLING 90.0 NC-70 80.0 NC-65 NC-60 NC-55 70.0 NC-50 NC-45 NC-40 60.0 NC-35 NC-30 50.8 50.2 NC-25 48.5 50.0 NC-20 44.3 NC-15 38.9 40.0 36.0 30.0 26.9 24.0 20.0 10.0 1000 2000 4000 8000 Octave band main wave length (Hz) HEATING 90.0 NC-70... -
Page 17: 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-25WXE RAC-35WXE RAC-50WXE The temperature range is indicated in the following table. Cooling Heating working range... -
Page 18: Electrical Data
Input (W) 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-25WXE 230,1，50 2.73 4.35 5.22 RAC-35WXE 230,1，50 3.67 6.09 6.96 RAC-50WXE 230,1，50... -
Page 19: Wiring Diagram
WIRING DIAGRAM 7 WIRING DIAGRAM 7.1. RAK-25RXE, RAK-35RXE, RAK-50RXE... -
Page 20: Rac-25Wxe, Rac-35Wxe, Rac-50Wxe
WIRING DIAGRAM 7.2. RAC-25WXE, RAC-35WXE, RAC-50WXE... -
Page 21: Refrigerant Cycle
REFRIGERANT CYCLE REFRIGERANT CYCLE 8.1. WALL TYPE: RAK-25RXE/RAC-25WXE, RAK-35RXE/RAC-35WXE Silencer Silencer 8.2. WALL TYPE: RAK-50RXE / RAC-50WXE Silencer Silencer... -
Page 22: Control And Function
CONTROL AND FUNCTION CONTROL AND FUNCTION 9.1. WIRELESS REMOTE CONTROL 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). -
Page 23: 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 24: 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 25: 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 26: 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 Press [POWERFUL] button and... -
Page 27: 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 28: Additional Function Via Dip-Switch Settings
OPTION LIST 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 9.9.1. AUTO RESTART FUNCTION The AUTO RESTART function can be enabled or disabled by setting Pin No. -
Page 29: Option List
CONTROL AND FUNCTION 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. -
Page 30: 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 31 CONTROL AND FUNCTION TIMER LD301 LAMP CODE MEANING BLINKING BLINKING 4 times 6 times OH thermistor temperature rise 4 times 7 times Abnormal outdoor thermistor 4 times 9 times Communication error 4 times 10 times Abnormal power source 4 times 11 times Fan stop for strong wind 4 times...
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Page 32: 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 33: 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 –... -
Page 34: 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 35: 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 36: 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: Op onal Connec ng cord Accessory SPX-WDC3 AUTO RESTART function set to "Enable"... - Page 37 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 38: 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 39 TC-ERP-Model (2019.02) INDOOR OUTDOOR RAK-25RXE RAC-25WXE RAK-35RXE RAC-35WXE RAK-50RXE RAC-50WXE...