Hitachi RAC-08CH8 Manuals

SPLIT UNIT AIR CONDITIONER INSTALLATION MANUAL Indoor Unit Outdoor Unit RAS-08CH8/RAS-08CH8(B) RAC-08CH8 RAS-10CH8/RAS-10CH8(B) RAC-10CH8 RAS-14CH8/RAS-14CH8(B) RAC-14CH8 G + – Screwdriver G Measuring Tape G Knife G Saw G ø 65mm Power Drill G Hexagonal Wrench Key ( 4mm) G Wrench (14, 17, 22mm) G Gas Leakage Detector G Pipe Cutter G Putty G Vinyl Tape G Pliers G Flare Tool G Carefully read through the procedures of proper installation before starting installation work. G The sales agent should inform customers regarding the correct operation of installation. Tools Needed For Installation Work SAFETY PRECAUTION G Read the safety precautions carefully before operating the unit. G The contents of this section are vital to ensure safety. Please pay special attention to the following sign. WARNING ........ Incorrect methods of installation may cause death or serious injury. CAUTION ......... Improper installation may result in serious consequence. Be sure that the unit operates in proper condition after installation. Explain to customer the proper way of operating the unit as described in the user’s guide. ! ! WARNING ! CAUTION ! G A circuit breaker or fuse must be installed. Without a circuit breaker or fuse the danger of electric shock exists. A main switch with a contact gap of more than 3mm has to be installed in the power supply line to the outdoor unit. G Do not install the unit near a location where there is flammable gas. The outdoor unit may catch fire if flammable gas leaks around it. G Please ensure smooth flow of water when installing the drain hose. G Piping shall be suitable supported with a maximum spacing of 1m between the supports. G Please request your sales agent or qualified technician to install your unit. Water leakage, short circuit or fire may occur if you do the installation work yourself. G Please observe the instructions stated in the installation manual during the process of installation. Improper installation may cause water leakage, electric shock and fire. G Make sure that the units are mounted at locations which are able to provide full support to the weight of the units. If not, the units may collapse and impose danger. G Observe the rules and regulations of the electrical installation and the methods described in the installation manual when dealing with the electrical work. Use power cables approved by the authorities of your country. G Be sure to use the specified wire for connecting the indoor and outdoor units. Please ensure that the connections are tight after the conductors of the wire are inserted into the terminals. Improper insertion and loose contact may cause over-heating and fire. G Please use the specified components for installation work. Otherwise, the units may collapse or water leakage, electric shock and fire may occur. G Be sure to use the specified piping set for R22. Otherwise, this may result in broken copper pipes or faults. G When installing or removing an air conditioner, do not allow air or moisture to remain in the refrigeration cycle. Otherwise, pressure in the refrigeration cycle may become abnormally high so that a rupture may be caused. G Be sure to ventilate fully if a refrigerant gas leak while at work. If the refrigerant gas comes into contact with fire, a poisonous gas may occur. G After completion of installation work, check to make sure that there is no refrigeration gas leakage. If the refrigerant gas leaks into the room, coming into contact with fire in the fan-driven heater, space heater, etc., a poisonous gas may occur. G Unauthorized modifications to the air conditioner may be dangerous. If a breakdown occurs please call a qualified air conditioner technician or electrician. Improper repairs may result in water leakage, electric shock and fire, etc. FOR SERVICE PERSONNEL ONLY THE CHOICE OF MOUNTING SITE (Please note the following matters and obtain permission from customer before installation). WARNING ! G The unit should be mounted at stable, non-vibratory location which can provide full support to the unit. WARNING ! G The Outdoor unit must be mounted at a location which can sup- port heavy weight. Otherwise, noise and vibration will increase. CAUTION ! G No nearby heat source and no obstruction near the air outlet is allowed. G The clearance distances from top, right and left are specified in figure below. G The location must be convenient for water drainage and pipe connection with the Outdoor unit. G To avoid interference from noise please place the unit and its remote controller at least 1m from the radio, television and inverter type fluorescent lamp. G To avoid any error in signal transmission from the remote controller, please put the controller far away from high-frequency machines and high-power wireless systems. G The installation height of indoor unit must be 2.3m or more. CAUTION ! G Do not expose the unit under direct sunshine or rain. Besides, ventilation must be good and clear of obstruction. G The air blown out of the unit should not point directly to animals or plants. G The clearances of the unit from top, left, right and front are specified in figure below. At least 3 of the above sides must be open air. G Be sure that the hot air blown out of the unit and noise do not disturb the neighbourhood. G Do not install at a location where there is flammable gas, steam, oil and smoke. G The location must be convenient for water drainage. G Place the Outdoor unit and its connecting cord at least 1m away from the antenna or signal line of television, radio or telephone. This is to avoid noise interference. G Do not install outdoor unit facing strong wind direction. It may damage the fan motor. INDOOR UNIT Names of Indoor Components Hanger Qty No. Item The Length of Indoor Unit Connecting Cord Figure showing the Installation of Indoor and Outdoor Unit. OUTDOOR UNIT 1 1 Screw for holder of Remote Controller (3.1x16) AAA Size Battery Direction of Piping Dimension of Mounting Stand of the Outdoor unit (unit : mm) Holder for Remote Controller There are 4 directions allowed, namely, horizontally perpendicular to the unit, vertically down from right, horizontally out from right and horizontally out to left. Don’t form the piping downward at the left of the unit. (4.1x32) Remote Controller Purifying Filter 2 6 3 1 4 2 5 2 6 7 9 1 0 1 Screw for Hanger Names of Outdoor Components Qty No. Item Drain Pipe 1 0.8m 1.5m Connection Horizontally perpendicular to the unit 500 100 35 35 12 225 8 mounting stand ! CAUTION • The installation height of indoor unit must be 2.3m or more. Bush 2 8 Holder 1 ! 2 Bush @ Bush 1 For RAC-08/10CH8 only For RAC-14CH8 only For RAC-14CH8 only above 50mm above 100mm above 0.45m above 300mm must not bend above 100mm 2,300mm or more 1 2 4 5 3 Maximum pipe length 10m Minimum pipe length 5m Plug 6 above 100mm ❈ above 300mm above 200mm ❈ above 100mm ❈ give clearance as wide as possible above 50mm when installed on the ceiling of balcony above 200mm G The difference in height between the indoor and outdoor unit should be kept max 10m. G The connecting pipe, no matter big or small, should all be insulated with insulation pipe and then wrapped with vinyl tape. (The insulator will deteriorate if it is not wrapped with tape). The connection of insulated drain hose. Please use insulated drain hose for the indoor piping (commercial product). The indoor piping should be insulated with the enclosed insulation pipe. (If the insulator is insufficient, please use commersial products). inner diameter ø 16mm Be sure to completely seal any gap with putty. Maximum pipe length 15m Minimum pipe length 5m above 200mm above 700mm above 200mm ) above 100mm above 100mm give clearance as wide as possible above 50mm when installed on the ceiling of balcony ( For RAC-08/10CH8 only Dimension of Mounting Stand of the Outdoor unit (unit : mm) 57 12 35 124 500 320 10 20 (10) 340 mounting stand For RAC-14CH8 only For RAC-14CH8 only Installation of Hanger, Wall Penetration and Installation of Protection Pipe 1 CAUTION ! G The draining of the water container inside the indoor unit can be done from the left. Therefore the hanger must be fixed horizontally or slightly tilted towards the side of drain hose. Otherwise, condensed water may overflow the water container. Direct Mounting On The Wall G Please use hidden beams in the wall to hold the hanger. Wall Penetration and Installation of Protection Pipe G Drill a ø 65mm hole on wall which is slightly tilted towards the outdoor side. Drill the wall at a small angle. G Cut the protection pipe according to the wall thickness. G Empty gap in the sleeve of protection pipe should be completely sealed with putty to avoid dripping of rain water into the room. Procedures of Installation and Precautions G Procedures to fix the hanger. 1.Drill holes on wall. 2. Push plug into the holes. 3. Fix the hanger on wall (As shown below) (As shown below) with 4.1 x 32 screw (As shown in figure below) G Procedures to fix the holder of remote control. 1.Drill holes on wall. 2. Push plug into the holes. (As shown below) (As shown below) Installation of the Indoor Unit 2 VERTICALLY DOWNWARD PIPING Preparation G Connect connecting cord. G Pull out the pipe, connecting cord and drain hose. Installation G The upper part of the Indoor unit is hanged on the hanger. G The projection at the lower part of the Indoor unit is hooked onto the hanger. Please pull the lower part of the Indoor unit outwards to check if the unit is hooked onto the hanger. Improper installation may cause vibration and noise. ! CAUTION HORIZONTAL PIPING Preparation Change of Drain Hose and Installation Procedures. G Exchange the location of drain hose and drain cap during horizontal piping as shown in figure below. Be sure to plug in the drain hose until the insulating material folds upon itself. G Please use pliers to pull out the drain cap. (This is an easier way to remove the drain cap). INSTALLATION OF REFRIGERATING PIPES AFTER CONNECTION G The refrigerating pipes should be adjusted to fit into the hole on the wall and then ready for further connection. G The terminals of 2 connected pipes must be covered with insulator used for terminal connection. Then the pipes are wrapped with insulation pipe. G Connect the connecting cord after removing electrical cover. (Refer to “CONNECTION OF POWER CORD”) G After adjustment, fit the connecting cord and pipes into the space available under the indoor unit. Use holder to hold them tight. ! CAUTION G The rubber strap used for fixing the insulator should not be tied with great force. Otherwise, this will damage heat insulation and causes water condensation. G Holder can be attached at the either of 2 places. Please select the easier position. THE CONNECTION OF REFRIGERATING PIPE DURING THE INSTALLATION OF INDOOR UNIT Preparation To Install Refrigerating Pipes ! CAUTION G Please fix in the plastic core after flaring to avoid plastic chips entering the pipes. CAUTION ! You are free to choose the side (left or right) for the installation of drain hose. Please ensure the smooth flow of condensed water of the Indoor unit during installation. (Carelessness may result in water leakage.) ! CAUTION Be sure that the drain hose is not loosely connected or bend. Be sure that the wire is not in contact with any metal in the wall. Please use the protection pipe as wire passing through the hollow part of the wall so as to prevent the possibility of damaged by mouse. Unless it seals completely, any air with high humidity flows from outdoor and any dew may drop. ! WARNING G The refrigerating pipes and connecting cord transform and are attached. G The end of the refrigerating pipes are at locations marked with “
” symbol. Installation of Drain Hose 3 Installation Hang the Indoor unit onto the hanger. Use the temporary stand at the back of the Indoor unit to push its lower part 15cm forwards. G Place the drain hose through the hole on the wall. G Wrap the refrigerating pipes with insulation pipe after connecting refrigerating pipe. G Connect the connecting cord after removing electrical cover. (Refer to “Connection of Power Cord”) G After adjustment, the connecting cord and refrigerating pipes are placed into the space available under the Indoor unit. G The projection of Indoor unit must hook to the hanger. INDOOR UNIT HOW TO REMOVE INDOOR UNIT G Push up the (PUSH) sections at the bottom of the indoor unit and pull the bottom plate towards you. Then the claws are released from the stationary plate. (The (PUSH) sections are indicated by 2 arrows in the right figure) Sleeve of protection pipe WALL Protection pipe Seal with putty Seal with putty 2 ~ 5mm Outdoor Indoor Connecting cords, pipe and drain hose must be laid together with Vinyl tape. Lift the body of the unit upwards and then force it downwards. Hanger Refrigerating Pipe Protection Pipe Drain Hose Connecting Cord Hanger 1 Projection 2 [Push] mark positions ! CAUTION Condensed water may leak out if not inserted properly. HORIZONTAL & DOWNWARD PIPING – MAKING OPENINGS G During horizontal or downward piping, use a knife to cut openings as shown in figure. Then smoothen the edges of openings with a file. G Turn the piping while holding down the lower portion of pipe-support by hand. Drain hose Drain cap Drain cap Please insert until here Drain hose Please insert until here Pipe support Pull up the pipe after bending downward Openings Pipe Connecting cord Drain hose Insulation pipe (must be wrapped with vinyl tape at every 120mm). 8 Holder Pipe Rubber strap tied with great force below 5mm Please bend at a small radius to form an arc 0.85m about 15cm Hook Projection Protection pipe Connecting cord Holder Connected section Drain hose HITACHI Heat insulation pipe Connecting cord Refrigerating pipe Bending upwards Condensed water pond Ditch Condensed water pond Pull this to the front during the connection of refrigerating pipes to ease task. 125mm 45mm 200mm 60mm 80mm 780mm 125mm 280mm 45mm 115mm 450mm Level Hanger Hole for pipe Weight Mark Line Please use more than 4 screws. Screw for Hanger

– 1 – ENGLISH SPLIT TYPE AIR CONDITIONER INDOOR UNIT/OUTDOOR UNIT MODEL RAS-08KH2/RAC-08KH2 RAS-10KH2/RAC-10KH2 RAS-14KH2/RAC-14KH2 OUTDOOR UNIT INDOOR UNIT RAC-14KH2 RAS-08KH2 RAS-10KH2 RAS-14KH2 Instruction manual To obtain the best performance and ensure years of trouble free use, please read this instruction manual completely. RAC-08KH2 RAC-10KH2