Hitachi RPIL-1.0PNN1DH, Installation & Maintenance Manual

Page 1: ...HO2021386HA RPIL 1 0PNN1DH RPIL 1 5PNN1DH RPIL 2 0PNN1DH RPIM 3 0PNN1DH RPIM 4 0PNN1DH INDOOR UNITS DC INVERTER SERIES ...

Page 2: ......

Page 3: ... Maintenance 1 Safety Notice 6 2 Tools and Instruments for Installation 7 3 Installation of the Indoor Unit 7 3 1 Initial Check 7 3 2 Installation 8 4 Refrigerant Pipe 10 4 1 Pipe Material 10 4 2 10 Piping Connection 5 Drain Piping 11 6 Electrical Wiring 12 6 1 General Check 12 6 2 Change of Static Pressure 13 6 3 Electrical Installation 14 7 Trial Run 14 ...

Page 4: ...ditioner where excessively high heat generating objects are placed DANGER WARNING If the supply cord is damaged it must be replaced by the factory or its service department in case of danger The place where this product is installed must have the reliable electrical grounding facility and protection Please do not connect the grounding of this product to various kinds of air feeding ducts drain pip...

Page 5: ...and supply cord is detailed in below part The cord of the H07RN F type or the electrically equivalent type must be used for power connection and interconnection between outdoor unit and indoor unit The size of the cord is detailed in below part The information of dimensions of the space necessary for correct installation of the appliance including the minimum permissible distances to adjacent stru...

Page 6: ...outlet 1 0HP 9K 1 5HP 12K 2 0HP 18K 3 0HP 24K 4 0HP 36K Remote Controller Optional You can control the air conditioner with the wired controller or remote controller It is used for power ON OFF setting the operation mode temperature fan speed etc There are different types of remote controllers that can be used Operation instruction will be further specified in remote controller s manual Please rea...

Page 7: ... cases to prevent cold draft After defrosting is over the heating operation and the fan speed resume Blowing out the residual heating air When stopping the air conditioner in normal operation the fan motor might run with low speed for a while to blow out the residual heating air Auto restart from power break When the power supply is recovered after power break all presets are still effective and t...

Page 8: ...r dust the frequency of cleaning the air filter should be increased Screws Air filter Air inlet flange Remove the fixed screws of the filter and pull the filter down along the rail of the flange as the figure below Clean the air filter with a vacuum cleaner or clean water 1 Use a vacuum cleaner with the air inlet side facing the nozzle of the vacuum 2 Use clean water with air inlet side turning ba...

Page 9: ...en the indoor and outdoor units Firmly clamp the interconnecting wires so their terminals receive no external stresses Incomplete connections or clamping may cause terminal overheating or fire After connecting all the wires be sure to fix the cables so that they do not put undue force on the electrical covers or panels Install covers over the wires incomplete cover installation may cause terminal ...

Page 10: ...rd screwdriver Vacuum pump Charge hose Pipe bender Adjustable wrench Pipe cutter Cross head screw driver Number 8 9 10 11 12 13 14 Tool Leveler Hammer Churn drill Knife or wire stripper Pipe expander Inner hexagon spanner Measuring tape 12 300 or more Maintenance space 3 0HP 24K 4 0HP 36K 3 4 20 or more Ceiling H 15 3 4 400 98 1 2 2500 or more Floor surface Fig 3 1 1 unit in mm 1 Reserve necessary...

Page 11: ...d noise in electrical appliances Noise may be generated depending on the conditions under which the electric wave is generated even if a one meter allowance is maintained Do not install the indoor unit in a machinery shop or kitchen where vapor from oil or its mist flows to the indoor unit The oil will deposit on the heat exchanger thereby reducing the performance of the indoor unit and may deform...

Page 12: ...pension to prevent the nuts from loosening 1 During the installation please cover the unit with the plastic cloth to keep it clean 2 Make sure that the unit is installed level by using a level or a plastic pipe filled with water in instead of a level adjust the top surface of the unit to the surface of the water at both ends of the plastic pipe and adjust the unit horizontally one thing to watch o...

Page 13: ...on and Maintenance DANGER The pipe goes through the hole with the seal CAUTION Do not place the pipes on the floor directly Fig 4 3 Tightening torque for the nut Clamp Insulation Refrigerant pipe field supplied Side of the indoor unit Insulation field supplied Fig 4 2 The pipe diameter 1 0HP 9K 1 5HP 12K 2 0HP 18K Ref gas pipe Ref liquid pipe Drain pipe for drain pump Drain pipe 6 9 16 166 5 129 8...

Page 14: ...nsulated because condensation may happen there causing water leakage Drain piping passing indoors Drain sockets Referring the figure below insulate the drain socket and drain hose using the included large sealing pad Drain piping connections Do not connect the drain pipes directly to sewage pipes to avoid ammonia odour The ammonia in the sewage might enter the indoor unit through the drain pipes a...

Page 15: ...ctrical Wiring When clamping the wiring use the included clamping material to prevent external pressure being exerted on the wiring connections and clamp firmly While performing wiring work make sure the wiring is proper and does not cause the control box lid to stick up then close the cover firmly When attaching the control lid make sure you do not pinch any wires Outside the indoor unit and outd...

Page 16: ...m Outdoor unit Indoor unit Terminal Terminal Power connecting cord SI SI L L N N Note Since there may be differences in some model s terminal blocks wiring connection should be done according to letters on the terminal block Please disregard numbers in this case HCWA21NEHH Parameter code Function code Function revise indicator ALARM Static Pressure Setting HCWA21NEHH Press and hold both and button...

Page 17: ... 194 90 14 7 Trial Run Please perform trial run according to outdoor unit installation manual Model Transmitting Cable Size 1 0HP 4 0HP 9K 36K 4 16AWG Note 1 Follow local codes and regulations when selecting field wires and all the above are the minimum wire size 2 Use copper supply wires 3 When transmitting cable length is longer than 49 ft 15m a larger wire size should be selected 4 Install main...

Page 18: ......

Page 19: ......

Page 20: ...ithout notice in order that Hitachi Johnson Controls Air Conditioning Inc may bring the latest innovations to their customers 2021 Johnson Controls Air Conditioning Inc Hitachi 2021 3 Version A Printed in China Hitachi Johnson Controls Air Conditioning Inc ...