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IN-THE-CEILING (DUCT) Installation & Maintenance Manual INVERTER-DRIVEN MULTI-SPLIT SYSTEM HEAT PUMP AIR CONDITIONERS - SET-FREE SERIES - Type Model RPI-3.0FSN2SQ RPI-4.0FSN2SQ In-the-Ceiling RPI-5.0FSN2SQ (Duct) RPI-6.0FSN2SQ RPI-7.0FSN2SQ IMPORTANT: READ AND UNDERSTAND THIS MANUAL BEFORE USING THIS HEAT-PUMP AIR CONDITIONERS. KEEP THIS MANUAL FOR FUTURE REFERENCE.
IN-THE-CEILING (DUCT) IMPORTANT NOTICE HITACHI pursues a policy of continuing improvement in design and performance of products. HITACHI cannot anticipate every possible circumstance that might involve a potential hazard. This heat pump air conditioner is designed for standard air conditioning only. Do not use this heat pump air conditioner for other purpose such as drying clothes, refrigerating foods or for any other cooling or heating process.
IN-THE-CEILING (DUCT) CHECKING PRODUCT RECEIVED Upon receiving this product, inspect it for any shipping damage. to determine if they are correct. The standard utilization of the unit shall be explained in these instructions. Therefore, the utilization of the unit other than those indicated in these instructions is not recommended. Please contact your local agent, as the occasion arises.
IN-THE-CEILING (DUCT) Safety Summary < Signal Words > Signal words are used to identify levels of hazard seriousness. DANGER will result in death or serious injury. WARNING CAUTION NOTICE NOTE P5414985 TC-12001...
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IN-THE-CEILING (DUCT) DANGER Do not perform the installation work, refrigerant piping work, drain pump, drain piping and electrical wiring connection without referring to our installation manual. If the instructions are not followed, it may result in Do not pour water into the indoor unit or outdoor unit. These products are equipped with electrical parts. If poured, it will cause a serious electrical shock.
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IN-THE-CEILING (DUCT) NOTICE Do not install the indoor unit, outdoor unit, remote control switch and cable within approximately 3 meters from strong electromagnetic wave radiators such as medical equipments. Supply electrical power to the system to energize the oil heater for 12 hours before startup after a long shutdown.
IN-THE-CEILING (DUCT) 2. Structure Name of Parts < RPI-3.0FSN2SQ - RPI-6.0FSN2SQ > Unit: mm Part Name Model RPI-3.0FSN2SQ 1,076 Fan Motor RPI-4.0FSN2SQ 1,076 Heat Exchanger RPI-5.0FSN2SQ 1,300 1,000 Distributor RPI-6.0FSN2SQ 1,300 1,000 Strainer Micro-Computer Control Expansion Valve Electrical Control Box...
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IN-THE-CEILING (DUCT) < RPI-7.0FSN2SQ > 1430 Part Name Fan Motor Heat Exchanger Distributor Micro-Computer Control Expansion Valve Strainer Electrical Control Box Refrigerant Gas Pipe Connection Refrigerant Liquid Pipe Connection Drain Pipe Connection Float Switch Drain Pan Air Outlet Air Inlet P5414985 2-12 TC-12001...
Fig. 4.1. facilities where there are electronic waves from medical equipment. < RPI-3.0FSN2SQ - RPI-6.0FSN2SQ > (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.
(1) Apply vibration absorbing mats (10t) under the indoor unit. Separate the indoor unit in the following order. < RPI-3.0FSN2SQ - RPI-6.0FSN2SQ > (1) Remove the 4 bolts (M6) on the back of the supply air box (Fig. 4.2). Indoor Unit...
IN-THE-CEILING (DUCT) Rejoin the return air and supply air 4.3.4 Adjusting of Unit Level compartments in the following order. (5) Carefully place the fan assembly back into taking into account the maximum foundation the original position. gradient. (6) Fix the fan assembly onto the heat exchanger compartment with 4 bolts (M6) (Fig.
IN-THE-CEILING (DUCT) 4.3.5 Connecting Supply Duct (1) The supply duct should be connected with the indoor unit through canvas ducts, in order to avoid supply duct connection. (2) Attach the vibration proof rubber to Sling Bolt in order to avoid abnormal sound vibration. (3) Undamped natural frequency is shown in the table.
(3) After connecting the refrigerant piping, seal the refrigerant pipes by using the factory- (1) Position of piping connection is shown supplied insulation material as shown in Fig below. 5.4. < RPI-3.0FSN2SQ - RPI-6.0FSN2SQ > Insulation for Refrigerant Pipe Cord Clamp Refrigerant Gas Pipe (Factory-Supplied)
IN-THE-CEILING (DUCT) Drain Piping The position of the drain piping connection is NOTE shown in Fig. 6.1. Prepare polyvinyl chloride pipe with a 32mm When the relative humidity of inlet or ambient air outer diameter. Fasten the tube to the drain hose with the drain pan beneath the indoor unit as shown in Fig.
IN-THE-CEILING (DUCT) Electrical Wiring Turn OFF the main power switch to the Wrap the accessory packing around the indoor unit and the outdoor unit before wires, and plug the wiring connection hole electrical wiring work or a periodical check is with the seal material to protect the product performed.
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IN-THE-CEILING (DUCT) Electrical Box Cover Air Inlet Remove the fixing screws for Electrical box cover. Protect the earth wire to contact with the live part. Earth Terminal Remote Control Cable (Shielded Twist Pair Cable) Power Source Line to Remote Control Switch (PC-ARF) Operating Line (Shielded Twist...
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IN-THE-CEILING (DUCT) Electrical Box Cover Air Inlet Remove the two fixing screws for electrical box cover. Protect the earth wire to contact with the live part. Earth Terminal Remote Control Cable (Shielded Twist Pair Cable) to Remote Control Switch Power Source Line Operating Line (PC-ARF) (Shielded Twist...
IN-THE-CEILING (DUCT) Field Minimum Wire Sizes for Power Source Do not operate the system until all the check points have been cleared. (A) Check to ensure that the electrical resistance is more than 1 megohm, by measuring the resistance between ground and the terminal of the electrical parts. If not, do not operate the system until the electrical leakage is found and repaired.
IN-THE-CEILING (DUCT) Setting of Dip Switches (1) Turn OFF all the power supply to the indoor (c) Unit Model Code Setting (DSW4) and the outdoor units before Dip Switch No setting is required. setting. If not, the setting is invalid. Setting the model code of the indoor unit.
Do not operate the system until all the check Setting of Model Static points have been cleared. Pressure (A) Check to ensure that the electrical RPI-3.0FSN2SQ resistance is more than 1 megohm, 70Pa (Standard) RPI-4.0FSN2SQ by measuring the resistance between RPI-5.0FSN2SQ...