Page 2 - ENGLISH; Contents; ATTENTION INSTALLERS AND SERVICE TECHNICIANS!; AIR CONDITIONER WITH R-410A – QUICK REFERENCE GUIDE; Table I
3 8 V Y X 0 5 0 / 3 8 V Y X 0 8 0 Heat pump split system outdoor units GB - 1 ENGLISH For operation and maintenance instructions of this unit as well as installationinstructions of the indoor unit, refer to the relevant manuals. Contents Page Precautions for safety .....................................
Page 3 - General information; Precautions for safety; Required tools for installation work
GB - 2 3 8 V Y X 0 5 0 / 3 8 V Y X 0 8 0 General information Precautions for safety The unit must be installed according to the national plant-engineering standards.• Read this “PRECAUTIONS FOR SAFETY” carefully before Installation. • The precautions described below include the important items regar...
Page 4 - Accessory and refrigerant; Table II: Accessory and Installation Parts; Table III: Length of refrigerant; Table IV: Operating limits
GB - 3 3 8 V Y X 0 5 0 / 3 8 V Y X 0 8 0 E N G L I S H Accessory and refrigerant Table II: Accessory and Installation Parts Refrigerant Piping • Piping kit used for the conventional refrigerant cannot be used.• Use copper pipe with 0.8 mm or more thickness for Ø 6.4, Ø 9.52, Ø 12.7. Outdoor unit Pro...
Page 5 - Selection of installation
GB - 4 3 8 V Y X 0 5 0 / 3 8 V Y X 0 8 0 Knockout procedure • The indoor/outdoor connecting pipes can be connected to 4 directions. Take off the knockout par t of the pipe cover in whichpipes or wires pass through the base plate. • As shown in the figure, do not remove the pipe cover from the cabine...
Page 6 - Refrigerant piping; Flaring
GB - 5 3 8 V Y X 0 5 0 / 3 8 V Y X 0 8 0 E N G L I S H 38 VYX 050Pipe forming / positioning • Pipe forming. Form the pipe along with a marked line of the cabinet. • End positioning of pipe. Match the ends of both pipes at a distance of 85 mm apart fromthe marked line. Refrigerant piping Flaring 1. C...
Page 7 - Minimum clearances; Upper side is free; Obstacle also at the upper side; Obstacle at front side; Obstacle at front side
3 8 V Y X 0 5 0 / 3 8 V Y X 0 8 0 GB - 6 Minimum clearances Single unit installation Obstacles at both right and left sides. Serial installation of two or more units Single unit installation Obstacles at both right and left sides. 1000 or more 1000 or more • The height of the obstacle should be lowe...
Page 8 - Obstacles at both front and rear sides; Standard installation; Serial installation at front and rear sides; Standard installation; Installation
GB - 7 3 8 V Y X 0 5 0 / 3 8 V Y X 0 8 0 E N G L I S H Minimum clearances Open the upper side and both right and left sides. The height of obstacle at both front and rear side, should be lower than the height of the outdoor unit. 1000 or more 150 or more Serial installation of two or more units 1000...
Page 9 - Table VII: Piping connection; Table VI: Optional Installation Parts
GB - 8 3 8 V Y X 0 5 0 / 3 8 V Y X 0 8 0 • When there is a possibility of freezing of drain at the cold district or a snowfall area, be careful for drainage ability of drain.The drainage ability increases when a knockout hole on the baseplate is opened. (Open the knockout hole to outside using ascre...
Page 10 - Evacuating
GB - 9 3 8 V Y X 0 5 0 / 3 8 V Y X 0 8 0 E N G L I S H Evacuating - This air conditioner can be installed up to the connecting pipe length and height difference in the following table. Air Purge With respect to the preservation of terrestrial environment, adopt“Vacuum pump” for air purge (Evacuate a...
Page 11 - Power cable and connecting cable
3 8 V Y X 0 5 0 / 3 8 V Y X 0 8 0 GB - 10 All field electrical connections are the responsibility of theinstaller. WARNING:• Wrong wiring may cause a burn-out to some electrical par ts.• Be sure to use the cord clamps attached to the product.• Do not damage or scratch the conductive core and inner i...
Page 12 - Final installation checks; Check and Test Operation; LED indication and code checking; Self-Diagnosis by LED Indication
GB - 11 3 8 V Y X 0 5 0 / 3 8 V Y X 0 8 0 E N G L I S H Final installation checks Check and Test Operation For R410A, use the leak detector exclusively manufactured for HFCrefrigerant (R410A, R134a, etc.). • The conventional leak detector for HCFC refrigerant (R22, etc.) cannot be used because its s...
Page 13 - Installation/Servicing Tools; Changes in the product and components; Table: New tools for R410A
3 8 V Y X 0 5 0 / 3 8 V Y X 0 8 0 GB - 12 Final installation checks Installation/Servicing Tools Changes in the product and components In the case of an air conditioner using R410A, in order to preventany other refrigerant from being charged accidentally, service port diameter of the outdoor unit co...