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Hitachi RPS-140AN, Инструкция по эксплуатации

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 Electrical Wiring  

-19 - 

Electrical Wiring 

5. Electrical Wiring 

Tools and Instruments 

One Set of Wiring Tools, Electrical Testers (Clamp Meter) 
 

5.1 Schedule Check 

Confirm that the field-selected electrical components (main power switch, fuses, wires, conduit connections, wire 
terminals) are properly selected according to the table and to ensure that they comply with national and local codes. 
It is recommended that the main power switch be locked at the OFF position to prevent against accidental supply 
of the power during unit servicing. 
                                                                               

Electrical Data Table 

Model 

Unit Main Power 

Starting Current 

Running Current 

Indoor Unit 

RPS-140AN

1 PHASE , 230V/60Hz 

RAM-140FPS          3 PHASE , 230V/60Hz 

8A 14A 

 
5.2 Main Power Wiring Procedures 

(1)  Confirm the electrical power is not supplied in the installation location prior to any electrical installation work. 
(2)  Access to the magnetic switch box is provided with the service cover, which is fixed with screws. 
(3) Install the field-supplied main switch box at the properly selected location. 
(4) Install conduit connectors in the hole for power wiring. 
(5) Connect the main power wires and the grounding wires through the connector screw of terminals in the 

magnetic switch box. 

(6) Firmly connect the wires with wire terminals to the unit screw terminals according to wiring label attached in the 

magnetic switch box. 

(7) Reversal Phase Protection for the Three phase model RPS-140AN. 

Because the rotation direction of the orbiting scroll of the scroll type compressor is fixed, the scroll compressor 
is equipped with a Reversal Phase Protection Relay. If each phase R, S or T of the power source is incorrectly 
connected, the compressor will not start due to activation of the reversal phase protection relay. Therefore in 
order to check the correct wiring connection, the utilization of a phase sequence indicator is recommended 
when the unit is started after installation of the unit. 

       

‧

If the phase is wrong, exchange two of the three wires connected from the main power source to the main 

terminals of the unit as indicated with the dotted lines, and then check the rotation direction of the phase 
sequence indicator once again. Do not exchange the wires in the unit side in order to protect the compressor 
against the reversal rotation. 

               
 
 
     
           
 
 

 

 

                                                                                         

 

 

 

 

Outdoor Unit 

 

 
 
  

 

R

S T 

Unit Side 

Power Source 

RAM-140FPSB         1 PHASE , 230V/60Hz 

Outdoor Unit

Содержание RPS-140AN

Страница 1: ...EFORE USING THIS AIR CONDITIONER KEEP THIS MANUAL FOR FUTURE REFERENCE Models Indoor Unit Outdoor Unit RPS 140AN RAM 140FPS RAM 140FPSB HITACHI PACKAGED TYPE AIR CONDITIONERS INVERTER DRIVEN AIR COOLED TYPE Installation Operation and Maintenance INSTRUCTIONS MANUAL ...

Страница 2: ...for identifying hazard levels are provided below with their respective signal words Immediate hazards which WILL result in severe personal injury or death Hazards or unsafe practices which COULD result in severe personal injury or death Hazards or unsafe practices which COULD result in minor personal injury or product or property damage Useful information for this operation and or maintenance If y...

Страница 3: ...TION AND REFRIGERANT CHARGE 4 1 Evacuation Procedures 18 4 2 Refrigerant Charge 18 5 ELECTRICAL WIRING 5 1 Schedule Check 19 5 2 Main Power Wiring Procedures 19 5 3 Main Power Wiring Specification 20 5 4 Control Wiring 20 5 5 Grounding Specification 20 6 TEST RUNNING 6 1 Final Installation Check 21 6 2 Preparation 21 6 3 Test Running 21 6 4 Safety and Control Device Setting 22 7 MAINTENANCE 23 7 1...

Страница 4: ...Name of Parts OUTDOOR UNIT Horizontal Louver Vertical Louver Air Outlet Front Cover Air Inlet Air Outlet Air Inlet Liquid Refrigerant Piping Gas Refrigerant Piping Power Supply Main Circuit Breaker Leakage Breaker Field and Control Wiring INDOOR UNIT ...

Страница 5: ...mage the units Don t insert any material into the air inlet and air outlet During cooling operation please don t open windows entrances and exits unless necessary and minimize as possible the number of persons entering or leaving the room Doors or windows should be closed properly to prevent the cooled air to leak outside the room The setting of room temperature should be suitable Adjust the tempe...

Страница 6: ...mperature is for the air temperature at the sensor thermistor of the indoor unit The actual room temperature may be different from the air temperature of the sensor due to the difference of the sensing location Touching Type Switches This control switch is for touching type Slightly press the switch by finger The operation can be checked by the liquid crystal display NOTE The figure in Fig below s...

Страница 7: ...ation To decrease the humidity in the room Fan Operation To circulate the air in the room ATTENTION The recommendable set temperature is as follows Cooling Operation 26 28 Dry Operation 23 25 Turn ON the power supply The vertical lines appear on the liquid crystal display A C or VENTI is indicated on the liquid crystal display Step 1 Press the MODE switch By repeatedly pressing the MODE switch the...

Страница 8: ...ressing switch Max 30 The temperature is decreased by 1 by pressing switch Min 19 Setting of Fan Speed Press the FAN SPEED switch Indication when setting MED speed By repeatedly pressing the FAN SPEED switch the indication is changed in order of HIGH MED and LOW For standard operation set the fan speed at HIGH NOTE In case of DRY mode the fan speed is automatically changed to LOW and can not be ch...

Страница 9: ...t time is increased by 0 5 hours by pressing the switch Max 72 0 hours and decreased by 0 5 hours by pressing the switch Min 0 5hours In case that the required time is not set the set time is automatically indicated at 8 0 hours Cancel Press the ON OFF TIMER switch again Ventilation Function A C Air Conditioning To operate the air conditioner individually VENTI Ventilation To operate the total hea...

Страница 10: ...pped by remote control switch compressor is Frost Prevention During Cooling Operation When the indoor unit is operated at low discharge air temperature the cooling operation may be changed to fan operation for a while to avoid frost formation on the indoor heat exchanger Slow Air Control During Defrosting Operation When the outdoor unit is performing the automatic defrosting operation the indoor f...

Страница 11: ...en In Abnormal Condition Abnormality The RUN indicator Red is ON ALARM is indicated on the liquid crystal display The indoor unit number the alarm code the model code and the connected number of indoor units are indicated on the liquid crystal display In the case that the plural indoor units are connected the above items for each indoor unit are indicated one by one Check the contents of the indic...

Страница 12: ...ed Please contact your service center if the problem is still not solved Do not try to repair the unit by yourself Maintenance 1 Clean or replace the air filter 2 Clean the cabinet with clean dry cloth 3 Clean the condensate drain pan and the drain piping 4 Clean the condenser and evaporator coil Call your serviceman to do this type of work 5 Check for abnormal sound and vibration If you find abno...

Страница 13: ...under 30m under 12 4 Do not install the air conditioner in place where there are flammable gases and acid solvents 5 Do not install the air conditioner near high frequency machines 6 No radiation sources shall be allowed near the installation site 7 The installation shall be duly secured for vibration and noise Hot air released from the outdoor unit shall be led off the neighboring windows Water d...

Страница 14: ...n the back open space at front and by the side 2 In case of existence of obstruction in the back and by the side open space at front and on top 3 In case of existence of obstruction on the front open space in the back by the sides and on the top 4 In case of existence of obstruction in the back and on the front open space by the sides and on the top 5 In case of existence of obstruction in the sur...

Страница 15: ... proper clearance beneath the either rooftop or on the ground installation provide a gravel or concrete space around the outdoor unit air intake In order to avoid air flow obstruction due to grass or other vegetation 1 4 Unit Check Check to ensure that the unit has been transported without damage File a damage claim with the transportation companies if mishandling due to transportation company neg...

Страница 16: ... with the anti tumbler angle iron 2 To keep the air conditioner from tumbling fix it on the floor and the wall Securing of the wall fixation angle iron Refer to the table below for measurement of distance between air conditioner and wall For vertical measurement to the floor refer to the angle iron installation site ...

Страница 17: ...e In case of installation in an open space such as on top of a tall building where the outdoor unit outlet oppose strong winds with impacts on its rotation and cooling capacity as well the following are suggestions for improvement Keep outdoor unit face as shown the wall and the inlet toward outside with a gap of 60cm between the wall and the front of the outdoor unit Keep outdoor unit outlet and ...

Страница 18: ...es within the pipe 3 1 Preparations 1 Confirm that the piping are de oxidized seamless copper tubes and that they are free from dirt and moisture 2 Piping connections to the outdoor unit can be performed at the stop valves for liquid outlet and gas inlet in the machine compartment Flare nuts are attached at liquid and gas connections of the indoor and the outdoor unit 3 All refrigerant and drainag...

Страница 19: ...ng the piping the entire exposed tube adapter shall be duly covered with insulator and tightened with a band Tightening Flare Nut When tightening the flare nut utilize two spanners as shown below The required tightening torque is as follows Do not charge OXYGEN ACETYLENE or other flammable and poisonous gases into the refrigeration cycle when performing a leakage test or an air tight test These ty...

Страница 20: ...he indoor drainage and the outdoor drainage shall be joined with adherent agents 2 For assurance of normal drainage tubing operation a water filler shall be given for a gradual adding of 1000cc of water from the right side of the air outlet to the evaporator while checking for leakage in the drainage A Outdoor Unit Below B Outdoor Unit Above ...

Страница 21: ...n until the pressure indication of the gauge shows approximately 756mmHg 3 Stop the vacuum pump wait for approximately 5 minutes and confirm the vacuum pressure has not increased 4 Close the vacuum pump connection line V1 V2 closed 4 2 Refrigerant Charge 1 Purge air from the refrigerant cylinder connection line V1 V2 closed 2 Charge liquid refrigerant gas as required into the refrigeration cycle b...

Страница 22: ...wiring 5 Connect the main power wires and the grounding wires through the connector screw of terminals in the magnetic switch box 6 Firmly connect the wires with wire terminals to the unit screw terminals according to wiring label attached in the magnetic switch box 7 Reversal Phase Protection for the Three phase model RPS 140AN Because the rotation direction of the orbiting scroll of the scroll t...

Страница 23: ... 4 Control Wiring Connect the control wires between the indoor unit terminals and the outdoor unit terminals according to the following to the wiring label 5 5 Grounding Specification 1 Grounding impedance shall be below 100 2 Grounding wire of over Ø 2 0mm and up in diameter R S T S R T Indoor Unit Terminal Outdoor Unit Terminal Control Wiring Diameter 1 6mm 230V Indoor unit ...

Страница 24: ...en tightened 6 2 Preparation Tools and Instruments High and Low Pressure Compound Gauge s Electrical Tester General Tools Confirm the system switch is at the OFF position 6 3 Test Running When the unit is wired according to the standard label test running should be performed as follows 1 Confirm the system switch is at OFF position 2 Check to ensure that the electrical resistance is more than 1 me...

Страница 25: ...Switch Cut out kg cm2 G 42 kPa 4150 Cut In kg cm2 G 32 kPa 3200 Discharge Gas Thermostat Cut Out o C 127 Cut In o C Internal Thermostat for Outdoor Fan Motor Cut Out o C 120 Cut In o C Reverse Phase Protection Relay Included For Outdoor Fan Motor Fuse Capacity A 5 For Control Circuit Fuse Capacity A 5 For Power Circuit Fuse Capacity A 30 RAM 140FPSB ...

Страница 26: ...r loosened fixed screw and abnormal sounds 8 Operate Panel Check for abnormal function 7 2 Lubrication Compressor The compressors are charged at the factory with the correct quantity of oil listed on the compressor nameplates It is unnecessary to add oil if the refrigeration cycle remains sealed Fan Motor Bearings of fan motor are pre lubricated Lubrication is not required 7 3 Refrigerant Charge W...

Страница 27: ...om the condenser and evaporator coils 5 Check the fan screw tightness 6 Check the fan balance and try to operate the fan 7 Inspect the refrigerant piping for leakage 8 Tighten all wiring connections and access panels 7 6 Replacement of Parts Replacement of parts should be performed by ordering from the HITACHI Parts List The Form A HITACHI Recommended Spare Parts List is advisable When replacement...

Страница 28: ...C WB__________________o C 6 Check suction line Temperature and Superheat Suction line Temperature ______________o C Superheat ______________o C 7 Check Pressures Gas Valve Pressure __________________________kg cm G Liquid Valve Pressure _________________________kg cm G 8 Check Voltage Rated Voltage __________________________V Operation Voltage R S_________________V S T________________V T R________...

Страница 29: ...e in order that HITACHI may bring the latest innovations to our customers No 1A Binictican Drive Subic Bay Industrial Park Phase ll Subic Bay Freeport Zone Philippines TEL 02 362 4847 TEL SERVICE 02 362 3842 RP AF H Johnson Controls Hitachi Air Conditioning Philippines Inc ...

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