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Hitachi RCI-3.0UFE1NH, Инструкция по установке и обслуживанию

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2  Tools and Instruments for Installation

Number

Tool

Number

Tool

1

Standard screwdriver

8

Knife or wire stripper

2

Vacuum pump

9

Leveler

3

Charge hose

10

Hammer

4

Pipe bender

11

Churn drill

5

Adjustable wrench

12

Pipe expander

6

Pipe cutter

13

Inner hexagon spanner

7

Cross head screwdriver

14

Measuring tape

3  Installation of the Indoor Unit

!

 DANGER

Do not install the indoor unit in a flammable environment to avoid fire or an explosion.

!

 WARNING

•  Check to ensure that the ceiling slab is strong enough. Otherwise the indoor unit may topple, and fall down causing injury.
• 

Do not install the indoor unit outdoors. If done, an electric hazard or electric leakage will occur.

3.1  Initial Check

• 

Install the indoor unit with a proper clearance around it for operation and maintenance space, as shown in Fig.3.1.

• 

Provide a service access door near the unit piping connection area on the ceiling.

•  Ensure that the ceiling has a sufficient strength to hang the indoor unit.
•  Check that the ceiling surface is flat for the air panel installation work.

Piping connection

Service access door

Service access door

Service access door

Piping connection

Piping connection

Distance from Wall Side

500mm Min.

100mm Min.

500mm Min.

1000mm Min.

100mm Min.

Piping 

connection side

Service space

Fig. 3.1 Space around Indoor Unit

INSTALLATION AND MAINTENANCE

HO2019289HA

13

EN

Содержание RCI-3.0UFE1NH

Страница 1: ...HO2019289HA RCI 3 0UFE1NH RCI 3 5UFE1NH RCI 4 0UFE1NH RCI 5 0UFE1NH RCI 6 0UFE1NH RCI 6 5UFE1NH MONO SPLIT DC INVERTER SERIES ...

Страница 2: ......

Страница 3: ... Immediate hazards which WILL result in severe personal injury or death WARNING Hazards or unsafe practices which COULD result in severe personal injury or death CAUTION Hazards or unsafe practices which COULD result in minor personal injury or product or property damage NOTE Useful information for operation and or maintenance It is assumed that this air conditioner will be operated and serviced b...

Страница 4: ...s as well as other piping lines to avoid an electric shock and damage caused by other factors Wiring must be done by a qualified electrician All the wiring operations must be conducted according to the local electrical codes You should consider the capacity of the electric current of your electrical meter and socket before installation The power wire where this product is installed should have the...

Страница 5: ...ance 12 1 Safety Notice 12 2 Tools and Instruments for Installation 13 3 Installation of the Indoor Unit 13 3 1 Initial Check 13 3 2 Installation 15 3 3 Installation Details for Air Panels 17 4 Refrigerant Pipe 18 4 1 Pipe Material 18 4 2 Piping Connection 18 5 Drain Piping 19 6 Electrical Wiring 21 6 1 General Check 21 6 2 Electrical Wiring Connection 21 7 Electrical Installation 22 8 Test Run 22...

Страница 6: ......

Страница 7: ... serious faults or fire may occur Do not pull or press the power supply cord too strong otherwise the power supply cord may be broken which may result in electric shock or fire Never insert a stick or similar object to the unit This may result in injury because the fan is rotating at high speed It is harmful for your health if you are exposed to cold air for a long period of time Therefore it is r...

Страница 8: ... the room temperature when outdoor temperature is very low lt might take longer time if the working temperature range is not close to the operation limits Precautions for using R32 refrigerant The basic installation work procedures are the same as the conventional refrigerant R22 or R410A However pay attention to the following points WARNING 1 Transportation of equipment containing flammable refri...

Страница 9: ... the charging area 6 6 No ignition sources No person carrying out work in relation to a refrigeration system which involves exposing any pipe work that contains or has contained flammable refrigerant shall use any sources of ignition in such a manner that it may lead to the risk of fire or explosion All possible ignition sources including cigarette smoking should be kept sufficiently far away from...

Страница 10: ...rrect fitting of glands etc Ensure that the device is mounted securely Ensure that seals or sealing materials have not degraded in such a manner that they no longer serve the purpose of preventing the ingress of flammable atmospheres Replacement parts shall be in accordance with the manufacturer s specifications NOTE The use of silicone sealants may inhibit the effectiveness of some types of leak ...

Страница 11: ...ting to atmosphere and finally pulling down to a vacuum This process shall be repeated until no refrigerant is within the system When the final OFN charge is used the system shall be vented down to atmospheric pressure to enable working This operation is absolutely vital if brazing operations on the pipe work are to take place Ensure that the outlet for the vacuum pump is not close to any ignition...

Страница 12: ...frigerant and labelled for that refrigerant i e special cylinders for the recovery of refrigerant Cylinders shall be complete with pressure relief valve and associated shut off valves in good working order Empty recovery cylinders are evacuated and if possible cooled before recovery The recovery equipment shall be in good working order with a set of instructions concerning the equipment available ...

Страница 13: ...t manufacturer Maintenance and repair requiring the assistance of other skilled personnel shall be carried out under the supervision of the person competent in the use of flammable refrigerants The appliance shall be installed and stored so as to prevent mechanical damage Mechanical connectors used indoors shall comply with ISO 14903 When mechanical connectors are reused indoors sealing parts shal...

Страница 14: ...essed The unit will be started or stopped once the switch is pressed The unit will be operated in forced cooling mode if the switch is pressed continuously for more than 5s when the unit is off 3 Timer indicator Green It lights on when timer is in use It lights off when timer completes 4 Filter clean Yellow It lights on when the filter needs to be cleaned 5 Defrost indicator Green It lights on dur...

Страница 15: ...tops working Heating operation Heating capacity depends on external factors like outdoor unit temperature Heating capacity might decrease if outdoor ambient temperature is too low Anti freezing function during cooling When the air temperature from the indoor outlet is too low the unit will run for some time in the ventilating mode to avoid frost or ice forming in the indoor heat exchanger Cold air...

Страница 16: ...is turned on Step 2 Cancel the filter alarm Press Emergency switch to return to the standard state Emergency switch Filter 3 2 Take Out the Filter Take out the air filter according to the following steps Step 1 Open the air inlet grille after pushing the two knobs as the arrow mark Step 2 Take out the air filter from the air inlet grille by supporting the air grille and lifting the air filter afte...

Страница 17: ...ion Check whether the SET TEMP is set at the correct temperature 4 3 Not Cooling or Heating Properly Check for obstruction of air flow of outdoor or indoor units Check if there are too many heating sources in the room Check if the air filter is clogged with dust Check if the doors or windows are open Check if the temperature condition is within the operation range 4 4 This is Not Abnormal Odour fr...

Страница 18: ...nt circuit free from air Air in the refrigerant circuit may cause an abnormal pressure rise or rupture resulting in injury If any refrigerant leakage occurs during the installation work ventilate the room After all installations are completed make sure that there is no refrigerant leakage The refrigerant produces a toxic gas if exposed to flames When carrying out piping connection do not to let ai...

Страница 19: ... Do not install the indoor unit outdoors If done an electric hazard or electric leakage will occur 3 1 Initial Check Install the indoor unit with a proper clearance around it for operation and maintenance space as shown in Fig 3 1 Provide a service access door near the unit piping connection area on the ceiling Ensure that the ceiling has a sufficient strength to hang the indoor unit Check that th...

Страница 20: ...llowing points when the indoor unit is installed in a hospital or other facilities where there are electromagnetic waves from medical equipment a Do not install the indoor unit where the electromagnetic wave is directly radiated to the electrical box remote control cable or remote control switch b Install the indoor unit and components at least 3 meters away from the electromagnetic wave radiator ...

Страница 21: ...pening Unit size Dimension of suspension bolts 4 positions of suspension bolts Unit mm Unit size 860 to 910 Dimension of opening Dimension of suspension bolts Piping connection side Drain piping connection side Optional panel Fig 3 3 Opening of False Ceiling and Suspension Bolts 3 Ensure that the ceiling is in horizontally level otherwise drainage flow cannot be achieved 4 Strengthen the opening p...

Страница 22: ...e Indoor Unit 1 Mount the nuts and washers into the suspension bolts 102 Suspension Bolt Field Supplied Nut Field Supplied Washer with Insulation Accessory Suspension Bracket Attached Indoor Unit Washer Accessory Surface of Ceiling Approx 52 Approx 50 Unit mm Nut Field Supplied Place the washer so that the surface with insulation faces downwards Fig 3 7 Mounting Nuts and washer 2 Lift the indoor u...

Страница 23: ...st the position of indoor unit according to the dimensions 7 10 to 35 10 to 35 10 to 35 10 to 35 Surface of Flange Indoor Unit Viewed from Bottom Side Surface of Ceiling Indoor Unit Slab Unit mm a For Ceiling already Completed with Panels Attach the scale to the bottom side of the unit Attach the scale to the face of ceiling Checking scale for Dimension of Opening Adjust the height of the ceiling ...

Страница 24: ... 9 52 4 0HP 6 5HP 19 05 9 52 3 Select clean copper pipes Make sure that there is no dust and moisture inside Blow the pipes with nitrogen or dry air to remove dust and foreign materials before connecting pipes 4 2 Piping Connection 1 Position of piping connection is shown in Fig 4 1 Indoor Unit Unit mm 18 Gas Pipe 840 Unit 25 Liquid Pipe 840 Unit Liquid Pipe Connection Gas Pipe Connection 127 Liqu...

Страница 25: ...ical wiring check to ensure that water flows smoothly as in the following procedure Checking the Float Switch a Switch ON the power supply b Pour 1 8 liters of water into the drain pan c Check to ensure that the water flows smoothly or whether no water leakage occurs When water cannot be found at the end of the drain piping pour another 1 8 liters of water into the drain d Switch ON the power supp...

Страница 26: ... Supplied Drain Hose Accessory Drain Pipe Connection Upward Slope Rising part Common Drain Piping Drain Pipe Connection 1 25 to 1 100 Down Slope This drain pipe shall be separated from other pipes 100mm Min 850mm Max Total length of a b c mm a 300 b 850 c 50 a b c 1100 In case of lifting the drain pipe at outlet part perform the drain piping work as shown in the above figure 3 Insulate the drain p...

Страница 27: ...ected electrical components main power switches circuit breakers wires conduit connectors and wire terminals have been properly selected according to the electrical data given in 7 Electrical Installation Make sure that the components comply with National Electrical Code NEC 2 Check to ensure that the power supply voltage is within 10 of the rated voltage 3 Check the capacity of the electrical wir...

Страница 28: ...inary polychloroprene sheathed flexible cord code designation H07RN F When connecting the terminal block with flexible cord make sure to use the round crimp style terminal for connection to the power supply terminal block Place the round crimp style terminals on the wires up to the covered part and secure them in place When connecting the terminal block with a single core wire be sure to perform c...

Страница 29: ......

Страница 30: ...sources To return your used device please use the return and collection systems or contact the retailer where the product was purchased They can take this product for environmental safe recycling Specifications in this document are subject to change without notice in order that Hitachi Johnson Controls Air Conditioning Inc may bring the latest innovations to their customers Hitachi Johnson Control...

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