00_CV_3P329623-1.
01_EN_3P329623-1.fm Page 1 Friday, November 9, 2012 6:50 PM CONTENTS 1. SAFETY PRECAUTIONS ........................................................ 1 2. INTRODUCTION...................................................................... 3 2-1. Combination ...................................................................... 3 2-2. Standard operation limit .................................................... 3 2-3. Spec list ............................................................................ 3 2-4.
01_EN_3P329623-1.fm Page 2 Friday, November 9, 2012 6:50 PM WARNING • Installation shall be left to the authorized dealer or another trained professional. Improper installation may cause water leakage, electrical shock, fire, or equipment damage. • Install the air conditioner according to the instructions given in this manual. Incomplete installation may cause water leakage, electrical shock, fire or equipment damage. • Be sure to use the supplied or exact specified installation parts.
01_EN_3P329623-1.fm Page 3 Friday, November 9, 2012 6:50 PM 2. 1. 2. 3. 4. 5. INTRODUCTION 2-3 Spec list This series uses R410A new refrigerant. Be absolutely sure to comply with “7. PRECAUTIONS ON REFRIGERANT PIPING”, because even greater caution is needed to prevent impurities from entering R410A (mineral oils and water). The design pressure is 478 PSI (3.3 MPa), which means that piping may be thicker than conventionally, so please refer to “7. PRECAUTIONS ON REFRIGERANT PIPING”.
01_EN_3P329623-1.fm Page 4 Friday, November 9, 2012 6:50 PM 2-5 Standard supplied accessories • Safe places which can withstand the unit’s weight and vibration and where the unit can be installed level. • Locations not exposed to rain. • A locations where there is enough space to install the unit. • Places where the indoor and outdoor unit’s piping and wiring lengths come within the allowable ranges. • A location where there is no risk of flammable gas leaking.
01_EN_3P329623-1.fm Page 5 Friday, November 9, 2012 6:50 PM 2. In case of installing multiple units (2 units or more) in lateral connection per row • In case obstacles exist in front of the air inlet and on both sides of the unit (Refer to figure 4-[3]) When something is obstructing the top 1.
01_EN_3P329623-1.fm Page 6 Friday, November 9, 2012 6:50 PM 5. PRECAUTIONS ON INSTALLATION • Install making sure the unit is level and the foundation is sturdy enough to prevent vibration noise. • In accordance with the foundation drawing in figure 10, fix the unit securely by means of the foundation bolts. (Prepare 4 sets of M12 foundation bolts, nuts and washers each which are available on the market.) • The foundation bolts should be inserted 15/16 inch (20 mm). (Refer to figure 10) 1.
01_EN_3P329623-1.fm Page 7 Friday, November 9, 2012 6:50 PM 6-2 How to lay the power supply wiring and transmission wiring Let the power supply wiring and transmission wiring with a conduit pass through one of the knockout holes on the front or side cover, and let the transmission wiring with a conduit pass through another knockout hole.
01_EN_3P329623-1.fm Page 8 Friday, November 9, 2012 6:50 PM 6-4 Inter-unit wiring connection procedure • Between indoor units in the same system, pass the wiring between the units as shown in figure 17. (There is no polarity.) (Refer to figure 17) 1. Terminal block (X2M) 2. Use balance type shield wire (with no polarity). 3. BP unit 4. Not used for this model. Never connect wires, or the entire system will be damaged.
01_EN_3P329623-1.fm Page 9 Friday, November 9, 2012 6:50 PM • When connecting the pipings downward, remove the knockout by making 4 holes in the middle on the each side of the knockout with a drill. (Refer to figure 22) 1. Dril 2. Center area around knockout hole 3. Knockout hole 4. Slit • After knocking out the knock-out, it is recommended to apply repair paint to the edge and the surrounding end surfaces to prevent rusting. (Refer to figure 23) 1. Bottom frame 2.
English a A f 1 d g 2 BP b h 1 3 H3 B i e 4 BP 2 j 5 c k 6 BP 7 3 H4 Difference in height Difference in height Difference in height Between outdoor and BP units Between BP and BP units Between indoor and indoor units How to calculate the additional refrigerant to be charged Additional refrigerant to be charged R (lb. /kg) R should be rounded off in units of 0.1 lb. (0.1kg).
01_EN_3P329623-1.fm Page 11 Friday, November 9, 2012 6:50 PM 7-8 Air tight test and vacuum drying After doing the piping, perform the following inspections. Air tight test Be sure to use nitrogen gas. (See the figure (“Stop valve operation procedure”) for the location of the service port.) • Since the side boards may be deformed if only a torque wrench is used when loosening or tightening flare nuts, always lock the stop valve with a wrench and then use a torque wrench.
01_EN_3P329623-1.fm Page 12 Friday, November 9, 2012 6:50 PM If all the refrigerant could not be added Add refrigerant using the following procedure. See the “Cautions on Service” plate on the back of the front panel for details on the settings for adding refrigerant. [Procedure] 1. Close the front panel and turn on the power to all outdoor units and indoor units in the refrigeration system. 2. Open the gas and liquid-side stop valve all the way and add the refrigerant.
01_EN_3P329623-1.fm Page 13 Friday, November 9, 2012 6:50 PM 10. TEST RUN This unit is equipped with a crank case heater to ensure smooth startup. Be sure to turn the power on at least 6 hours before operation in order to have power running to the crank case heater. WARNING When leaving the unit with the power on, be sure to switch with another person doing the installation or close the front panel.
01_EN_3P329623-1.fm Page 14 Friday, November 9, 2012 6:50 PM Check to see if the supply voltage is supplied properly. U2 Insufficient supply voltage U3 If a check operation has not Perform a check operation. been performed. U4 No power is supplied to an Turn the power on for the outdoor unit. outdoor unit. UA If no dedicated indoor unit is Check the indoor unit. If it is not a dedbeing used. icated unit, replace the indoor unit. The stop valve of an outdoor unit is left closed.
00_CV_3P329623-1.
00_CV_3P329623-1.
00_CV_3P329623-1.
00_CV_3P329623-1.fm Page 5 Friday, November 9, 2012 6:43 PM Two-dimensional bar code is a code for manufacturing.