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Daikin VRV System R-22 PLUS Series Manual

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Si33-102.book Page i Tuesday, June 26, 2001 3:18 PM
SiE33-102
Part 1 General Information . .........................................................1
1. Product Outline . .....................................................................................2
1.1 Year 2001 Models Using R-22 Refrigerant.............................................. 2
1.2 Outline of New Series Products. ............................................................. 3
1.3 Model Configuration and Combination . .................................................. 5
2. Points to Bear in Mind at the System Design..........................................6
2.2 The Installation is of Vital Importance. .................................................... 7
3. Installation . ...........................................................................................12
3.1 Step by Step Installation Procedure . .................................................... 12
4. Test Operation ......................................................................................60
4.1 Procedure and Outline........................................................................... 60
4.2 Operation when Power is Turned On . .................................................. 62
4.3 Outdoor Unit PC Board Ass'y . .............................................................. 63
4.4 Setting Modes........................................................................................ 65
4.5 Cool/Heat Mode Selection. ................................................................... 72
4.6 Low Noise Operation . ........................................................................... 77
4.7 Demand Control . .................................................................................. 78
4.8 Sequential Start . ................................................................................... 79
4.9 Wiring Check Operation . ...................................................................... 80
4.10 Additional Refrigerant Charge Operation .............................................. 81
4.11 Refrigerant Recovery Mode. ................................................................. 82
4.12 Indoor Field Setting . ............................................................................. 83
4.13 Centralized Control Group No. Setting . ................................................ 89
4.14 Contents of Control Modes. .................................................................. 91
5. Caution for Refrigerant Leaks ...............................................................93
5.1 Caution for Refrigerant Leaks................................................................ 93
6. Hand Over to Customer ........................................................................96
6.1 Operational Steps.................................................................................. 96
7. Appendix ...............................................................................................97
7.1 Allowable Piping Length . ...................................................................... 97
7.2 Selection of Refrigerant Pipe Size. ....................................................... 98
7.3 Additional Charge of Refrigerant . ....................................................... 100
7.4 REFNET Pipe Connections for VRV PLUS Series.............................. 103
7.5 VRV Inspection Sheet . ....................................................................... 109
R-22 PLUS Series
and Points to be Borne in Mind . ........................................................... 13
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Summary of Contents for Daikin VRV System R-22 PLUS Series

  • Page 1: Table Of Contents

    Si33-102.book Page i Tuesday, June 26, 2001 3:18 PM SiE33-102 System R-22 PLUS Series Part 1 General Information ............1 1. Product Outline ..................2 1.1 Year 2001 Models Using R-22 Refrigerant..........2 1.2 Outline of New Series Products.............. 3 1.3 Model Configuration and Combination .
  • Page 2 Si33-102.book Page ii Tuesday, June 26, 2001 3:18 PM SiE33-102 Part 2 Installation Manual ............127 1. Introduction ..................128 1.1 Introduction..................128 1.2 Cautions in Installation ................ 129 1.3 Combination ..................130 1.4 Standard Operation Limit..............131 1.5 Standard Supplied Accessories............132 1.6 Optional Accessories................

  • Page 3: Part 1 General Information

    Si33-102.book Page 1 Tuesday, June 26, 2001 3:18 PM SiE33-102 Part 1 General Information 1. Product Outline ..................2 1.1 Year 2001 Models Using R-22 Refrigerant..........2 1.2 Outline of New Series Products............... 3 1.3 Model Configuration and Combination ............ 5 2.

  • Page 4: Product Outline

    Part1.fm Page 2 Wednesday, July 4, 2001 11:53 AM Product Outline SiE33-102 1. Product Outline Year 2001 Models Using R-22 Refrigerant Outdoor Unit Series New model Equivalent horsepower (HP) Series name R-22 VRV PLUS series Indoor Unit Series Continued model Type Type Type...

  • Page 5: Outline Of New Series Products

    Si33-102.book Page 3 Tuesday, June 26, 2001 3:18 PM SiE33-102 Product Outline Outline of New Series Products In addition to the use of a refrigerant (R-22), the new series products incorporate a function-unit-less structure for significantly improved flexibility and ease of installation. System outline Standard series General name...

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    Si33-102.book Page 4 Tuesday, June 26, 2001 3:18 PM Product Outline SiE33-102 Other versatile functions are Long refrigerant piping : equivalent provided length of 125, actual length of 100 m and height difference of 50 m. Connection of indoor unit of varying capacities and types totaling 130% (max.) of outdoor unit by capacity.

  • Page 7: Model Configuration And Combination

    Part1.fm Page 5 Wednesday, July 4, 2001 11:53 AM SiE33-102 Product Outline Model Configuration and Combination Number of units and capacity of connectable indoor units Standard Equivalent output 16HP 18HP 20HP 24HP series R-22 VRV PLUS series system model RSXY16KAY1(E)/ RSXY18KAY1(E)/ RSXY20KAY1(E)/ RSXY24KAY1(E)/...

  • Page 8: Points To Bear In Mind At The System Design

    Si33-102.book Page 6 Tuesday, June 26, 2001 3:18 PM Points to Bear in Mind at the System Design SiE33-102 2. Points to Bear in Mind at the System Design Points Relating to the Performance of the Air Conditioning Units A number of points need to be borne in mind at the system design stage in order to ensure the mechanical efficiency of the air conditioning units.

  • Page 9: The Installation Is Of Vital Importance

    Si33-102.book Page 7 Tuesday, June 26, 2001 3:18 PM SiE33-102 Points to Bear in Mind at the System Design The Installation is of Vital Importance The analysis of major installation problems experienced during the year of 1988 is shown below; How these installation problems affect an equipment are shown below: General Information : http://splitoff.ru/tehn-doc.html...

  • Page 10: Striking A Balance Between System Installation And General Construction Work (Comprehensive Flow Chart)

    Si33-102.book Page 8 Tuesday, June 26, 2001 3:18 PM Points to Bear in Mind at the System Design SiE33-102 Striking a Balance between System Installation and General Construction Work (Comprehensive Flow Chart) Note: 1. The division of the work should be thoroughly clarified. (This applies particularly to work relating to the connection of control wiring, fitting of remote control and central control panel, boundary work on areas such as connection of drain piping and humidification supply piping, inspection and foundation) 2.

  • Page 11: Points To Bear In Mind When Preparing The Contract Drawings

    Si33-102.book Page 9 Tuesday, June 26, 2001 3:18 PM SiE33-102 Points to Bear in Mind at the System Design Points to Bear in Mind when Preparing the Contract Drawings The following points should be borne in mind when preparing the contract drawings from the original drawings and the execution drawings.

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    Si33-102.book Page 10 Tuesday, June 26, 2001 3:18 PM Points to Bear in Mind at the System Design SiE33-102 2.4.2 Main Considerations in Preparation of Control Circuit Diagrams In addition to the design of the appropriate this system configuration it is also essential that the control stsyem be made amply clear.

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    Si33-102.book Page 11 Tuesday, June 26, 2001 3:18 PM SiE33-102 Points to Bear in Mind at the System Design Step 2: Preparation The following sequence should be followed in order to prepare control circuit diagrams in accordance with of the Control the system list which has already been completed: Circuit Diagrams Diagrams should be prepared for each individual outdoor unit.

  • Page 14: Installation

    Si33-102.book Page 12 Tuesday, June 26, 2001 3:18 PM Installation SiE33-102 3. Installation Step by Step Installation Procedure The above list indicates the order in which the individual work operations are normally carried out but this order may be varied where local conditions warrant such a change. General Information : http://splitoff.ru/tehn-doc.html...

  • Page 15: Work Involved In Individual Operations And Points To Be Borne In Mind

    Si33-102.book Page 13 Tuesday, June 26, 2001 3:18 PM SiE33-102 Installation Work Involved in Individual Operations and Points to be Borne in Mind 3.2.1 Sleeve and Insert Work Operational steps Preliminary talks Determine with position, size and Carry out work Check work construction number of units...

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    Si33-102.book Page 14 Tuesday, June 26, 2001 3:18 PM Installation SiE33-102 3.2.2 Installation of Indoor Unit Operational steps Determine Mark installation Fit suspension installation Fit indoor unit position bolts position (V0960) Positioning 3 essential points when installing an indoor unit 1.

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    Si33-102.book Page 15 Tuesday, June 26, 2001 3:18 PM SiE33-102 Installation 3.2.3 Refrigerant Pipe Work Operational steps Fit pipes Install indoor unit Cut pipes to size Replace nitrogen provisionally Solder Flushing Air tight test Vacuum drying (V0963) The 3 Principles of The “3 principles of refrigerant piping”...

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    Si33-102.book Page 16 Tuesday, June 26, 2001 3:18 PM Installation SiE33-102 Method for If brazing work is carried out without passing nitrogen gas through the pipes which are being brazed then Replacing Nitrogen this allows the formation of oxidation bubbles on the inside surface of the pipes. These oxidation bubbles (Brazing) are then carried along inside the pipes to cause damage to various members of the system such as valves or compressors and the system ceases to function properly.

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    Si33-102.book Page 17 Tuesday, June 26, 2001 3:18 PM SiE33-102 Installation Covering of Covering is an extremely important operation as it prevents water, dirt or dust from getting inside Refrigerant Pipes the pipes. Moisture inside the pipes was a constant source of trouble in the past. The utmost care is required to nip this problem in the bud.

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    Si33-102.book Page 18 Tuesday, June 26, 2001 3:18 PM Installation SiE33-102 Refrigerant Pipe Flushing Flushing is a method of cleaning extraneous matter out of pipes using pressurized gas. [3 major effects] 1. Removal of oxidation bubbles formed inside copper pipes when “nitrogen replacement is insufficient” during soldering work 2.

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    Joints must meet the requirements of the relevant JIS standard. (Size, materials, thickness, etc.) 2. Special branches The Daikin REFNET joint or REFNET header should be used. Example: R-22 PLUS Series Refer detail of DAIKIN REFNET joint and REFNET header on page 103. General Information : http://splitoff.ru/tehn-doc.html...

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    Si33-102.book Page 20 Tuesday, June 26, 2001 3:18 PM Installation SiE33-102 c) Brazing The Multi-System requires only copper/copper jointing and the jointing method is explained below. The use of “hard solder” is essential. The R-22 Plus Series uses a wide range of piping sizes. You should therefore be careful when selecting the nozzle tip.

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    Si33-102.book Page 21 Tuesday, June 26, 2001 3:18 PM SiE33-102 Installation Brazing a) Brazing work should be carried out such that the final result is directed either downwards or sideways. An upward direction should be avoided wherever possible. (to prevent leakage) b) Liquid and gas pipe branches should always be dealt with in the specified way with attention being paid to the direction of the fitting and its angle.

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    Si33-102.book Page 22 Tuesday, June 26, 2001 3:18 PM Installation SiE33-102 Flare Connection (a) Stiffened pipe must always be annealed at least once prior to the flaring work. (b) A pipe cutter must be used to cut the pipe. (A large pipe cutter must be used where the pipe has a large diameter.

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    Si33-102.book Page 23 Tuesday, June 26, 2001 3:18 PM SiE33-102 Installation Flaring Procedure General Information : http://splitoff.ru/tehn-doc.html...

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    Si33-102.book Page 24 Tuesday, June 26, 2001 3:18 PM Installation SiE33-102 You must use a torque wrench but if you are obliged to install the unit without a torque wrench, you may recommendable follow the installation method mentioned below. but in case of emergency After the work is finished, make sure to check that is no gas leak.

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    Si33-102.book Page 25 Tuesday, June 26, 2001 3:18 PM SiE33-102 Installation Flange Connection a) The flange sheet surface should be clean and undamaged. (Clean any dirt away with a cloth and check that there has been no damage.) b) Coat the flange sheet surface with refrigeration oil (Ester or ether oil) and then insert the packing. (Do not use SUNISO oil.) c) Tighten the bolts in opposite corners first to ensure that the connection is true.

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    Si33-102.book Page 26 Tuesday, June 26, 2001 3:18 PM Installation SiE33-102 3.2.4 Thermal Insulation Work (Refrigerant Piping) Operational steps Insulation (with the exception of Refrigerant pipe Insulation Air tight test work the jointed (jointed areas) areas) (V0985) Materials The thermal insulation materials which are used must be well able to withstand the heat from the pipes. Example: Heat pump type: Heat resistant polyethylene foam (heat resistance of at least 120˚C) Cooling only: Polyethylene foam (heat resistance of 100˚C or more)

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    Si33-102.book Page 27 Tuesday, June 26, 2001 3:18 PM SiE33-102 Installation 3.2.5 Air Tight Test Operational steps Pressurize Check for pressure drop Success Complete refrigerant pipe installation work Locate and repair leaks (V0987) Essential Points of The key to successful testing is strict adherence to the following procedure: Testing a) The liquid and gas piping in each refrigerant system should be pressurized in turn in accordance with (Maintaining...

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    Si33-102.book Page 28 Tuesday, June 26, 2001 3:18 PM Installation SiE33-102 Checking for Leaks [Check 1] (Where pressure falls while carrying out Steps 1 to 3 described on previous page) Check by ear..Listen for the sound of a major leak. Check by hand..Check for leak by feeling around jointed sections with hand.

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    Si33-102.book Page 29 Tuesday, June 26, 2001 3:18 PM SiE33-102 Installation 3.2.6 Vacuum Drying What is vacuum Vacuum drying is: drying? “The use of a vacuum pump to vaporize (gasify) the moisture (liquid) inside the pipes and expel it leaving the pipes completely dry inside.”...

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    Si33-102.book Page 30 Tuesday, June 26, 2001 3:18 PM Installation SiE33-102 Choosing a General Vacuum Pump Refrigerant piping content volume of the Plus Series is larger than the VRV Inverter Series, and consequently takes more time for vacuum drying. If you have time to spare, you may use the same vacuum pump, but if you want to save time, you will have to use a pump with higher exhaust velocity (exhaust volume).

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    Si33-102.book Page 31 Tuesday, June 26, 2001 3:18 PM SiE33-102 Installation 2. Vacuum pump maintenance Because of their nature, most vacuum pumps contain large amounts of oil which lubricates bearings, etc., and functions to enhance airtightness of pistons. When using a vacuum pump to discharge air from refrigerant piping, moisture in the air tends to get mixed in with the oil.

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    Si33-102.book Page 32 Tuesday, June 26, 2001 3:18 PM Installation SiE33-102 Vacuum Drying There are two vacuum drying methods and the appropriate one should always be chosen to conform with Procedure individual local conditions. [Normal vacuum drying]..The standard method [Operational steps] 1.

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    Si33-102.book Page 33 Tuesday, June 26, 2001 3:18 PM SiE33-102 Installation Special vacuum drying This vacuum drying method is selected when there is a suspicion that there may be moisture in the pipes. For example: When moisture was discovered during the refrigerant pipe flushing operation When there is a risk of condensation forming inside the pipes during periods of heavy rainfall When there is a risk of condensation forming inside the pipes due to a long term of works When there is a risk that rainwater may have entered the pipes during installation...

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    Si33-102.book Page 34 Tuesday, June 26, 2001 3:18 PM Installation SiE33-102 3.2.7 Additional Charge of Refrigerant Operational steps Use the length of the piping to Additional charge of calculate the amount of refrigerant refrigerant required (V0995) Important points 1. The results of all calculations must be recorded. (Make a list.) 2.

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    Si33-102.book Page 35 Tuesday, June 26, 2001 3:18 PM SiE33-102 Installation Drain Trap Fit any indoor unit whose drain pipe connection is subjected to negative pressure, with a drain trap. (FXYM40~125 only) a) Rig the drain trap as shown in the drawing bellow. b) Provide one trap per unit.

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    Si33-102.book Page 36 Tuesday, June 26, 2001 3:18 PM Installation SiE33-102 Use of an Auxiliary If a drain pan made of polystyrene foam is used then an auxiliary drain hose (flexible) is also essential. A Drain Hose flexible drain hose permits the drain socket and drain pipe to be connected without difficulty and prevents (Flexible) any undue strain being placed on the drain pan.

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    Si33-102.book Page 37 Tuesday, June 26, 2001 3:18 PM SiE33-102 Installation Piping Diameter for Select piping diameter from the below table in accordance with the amount of condensation drained by Grouped Drain all units with a common drain pipe. Pipes Consider 2 l/hr of drainage for every 1 HP.

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    Si33-102.book Page 38 Tuesday, June 26, 2001 3:18 PM Installation SiE33-102 Insulate the drain hose inside the building. (PRECAUTIONS FOR DRAIN RAISING PIPING) Install the drain raising pipes at a height of less than 310 mm. Install the drain raising pipes at a right angle to the indoor unit and no more than 300 mm from the unit. If converging multiple drain pipes, install according to the procedure shown below.

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    Si33-102.book Page 39 Tuesday, June 26, 2001 3:18 PM SiE33-102 Installation WHEN ELECTRIC WIRING WORK IS NOT FINISHED Remove the electric parts box lid, connect a power supply and remote control to the terminals. Next, press the inspection/test operation button “ ”...

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    Si33-102.book Page 40 Tuesday, June 26, 2001 3:18 PM Installation SiE33-102 Use the attached drain hose and clamp metal Insert the drain hose into the drain socket, up to the white tape. Tighten the clamp until the screw head is less than 4 mm from the hose. Wrap the attached sealing pad over the clamp and drain hose to insulate.

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    Si33-102.book Page 41 Tuesday, June 26, 2001 3:18 PM SiE33-102 Installation WHEN ELECTRIC WIRING WORK IS FINISHED Check drainage flow during COOL running, explained under “TEST OPERATION”. WHEN ELECTRIC WIRING WORK IS NOT FINISHED Remove the electric parts box lid, connect a power supply and remote control to the terminals. Next, press the inspection/test operation button “...

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    Si33-102.book Page 42 Tuesday, June 26, 2001 3:18 PM Installation SiE33-102 If the drain hose cannot be sufficiently set on a slope, fit the hose with drain raising piping as shown in the drawing. Be sur to use the attached drain hose, drain raising pipe, clamp and drain pipe insulation Secure a downward gradient of 1/100 or more for the drain pipe.

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    Si33-102.book Page 43 Tuesday, June 26, 2001 3:18 PM SiE33-102 Installation WHEN ELECTRIC WIRING WORK IS FINISHED Check drainage flow during COOL running, explained under “TEST OPERATION”. WHEN ELECTRIC WIRING WORK IS NOT FINISHED Remove the electric parts box lid, connect a power supply and remote control to the terminals. Next, press the inspection/test operation button “...

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    Si33-102.book Page 44 Tuesday, June 26, 2001 3:18 PM Installation SiE33-102 ( HOW TO INSTALL PIPING ) (1) Connect the drain pipe (field supplied) to the drain pipe, and insulate them. (2) Connect the drain pipe to the drain outlet on the indoor unit, and tighten it with the clamp. (3) Insulate both metal clamp and drain hose with the attached sealing pad.

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    Si33-102.book Page 45 Tuesday, June 26, 2001 3:18 PM SiE33-102 Installation FXYS-Concealed 1. Install the drain pipes. ceiling unit Keep piping as short as possible and slope it downwards so that air may not remained trapped inside the pipe. Keep pie size equal to or greater than that of the connecting pipe (Vinyl pipe of 25 mm nominal diam. and 32 mm outer diam.).

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    Si33-102.book Page 46 Tuesday, June 26, 2001 3:18 PM Installation SiE33-102 2. After piping, check to make sure draining flows smoothly. Open the water inlet lid, add approximately 1000 cc of water gradually and check drainage flow. WHEN ELECTRIC WIRING WORK IS FINISHED Check drainage flow during COOL running, explained under “TEST OPERATION”.

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    Si33-102.book Page 47 Tuesday, June 26, 2001 3:18 PM SiE33-102 Installation FXYB-Concealed ceiling unit (small) Install the drain pipes. • Keep piping as short as possible and slope it downwards so that air may not remaine trapped inside the pipe. •...

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    Si33-102.book Page 48 Tuesday, June 26, 2001 3:18 PM Installation SiE33-102 WHEN ELECTRIC WIRING WORK IS FINISHED • Check drainage flow during COOL running, explained under “TEST OPERATION”. WHEN ELECTRIC WIRING WORK IS NOT FINISHED Terminal board • Remove the electric parts box lid, connect a power supply and remote control to the terminals.

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    Si33-102.book Page 49 Tuesday, June 26, 2001 3:18 PM SiE33-102 Installation FXYH-Ceiling suspended unit General Information : http://splitoff.ru/tehn-doc.html...

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    Si33-102.book Page 50 Tuesday, June 26, 2001 3:18 PM Installation SiE33-102 FXYA-Wall mounted unit FXYLM-Concealed floor standing unit General Information : http://splitoff.ru/tehn-doc.html...

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    Si33-102.book Page 51 Tuesday, June 26, 2001 3:18 PM SiE33-102 Installation FXYM-KF-Outdoor Air Processing Unit 1. Install the drain pipes. Keep piping as short as possible and slope it downwards so that air may not remaine trapped inside the pipe. The diameter of the piping is the same as that of the connecting pipe (PS1B), and should be kept equal to or greater than that of the connecting pipe.

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    Si33-102.book Page 52 Tuesday, June 26, 2001 3:18 PM Installation SiE33-102 b) When cable more than 1.25 mm ² is used When wiring indoor units together, the terminal block will not be able to accommodate 2 cables simultaneously if the cables are larger than 1.25 mm ²...

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    Si33-102.book Page 53 Tuesday, June 26, 2001 3:18 PM SiE33-102 Installation When using high static pressure indoor units the fan motors must have a large capacity. Single phase 220~240V branch circuits are therefore required for each indoor unit. Example: Up to 10 × 2.5HP indoor units or 5 × 5HP indoor units can be wired together. b) The outdoor unit circuit breaker A separate circuit breaker must be fitted for each unit.

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    Si33-102.book Page 54 Tuesday, June 26, 2001 3:18 PM Installation SiE33-102 Important points 1. Earthing Have the indoor and outdoor units both been earthed? ∗ If the apparatus is not properly earthed then there is always a risk of electric shocks. The earthing of the apparatus must be carried out by a qualified person.

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    Si33-102.book Page 55 Tuesday, June 26, 2001 3:18 PM SiE33-102 Installation 3.2.12 Installation of Outdoor Unit Operational steps Prepare foundation Install outdoor unit (V1150) Foundation of Units Model RXY8KA RXY10KA 1000 1200 RXE8KA RXE10KA RXY16KA 2290 2490 RXY20KA Notes: 1. Standard concrete mix: 1 cement / 2 sand / 4 gravel with 10 reinforcing rods (approx. 300mm intervals). 2.

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    Si33-102.book Page 56 Tuesday, June 26, 2001 3:18 PM Installation SiE33-102 Caution in installation 1. Execute the installation work by checking the foundation strength and levelness to avoid any occurrence of vibration and noise. Fix the unit tightly with foundation bolts. (Prepare 4 sets of M12 foundation bolts with proper nuts and washers.) The proper length of the foundation bolts form the surface of the base is 20mm.

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    Si33-102.book Page 57 Tuesday, June 26, 2001 3:18 PM SiE33-102 Installation 4. Lift the unit from the pallet and place it on its installation position. 5. Fasten the unit in place using four anchor bolts M12. 6. Remove the upper and lower service plate. 7.

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    The construction of the unit should be such as to avoid short circuiting between suction air and discharge air. A snow hood is available from Daikin as an optional accessories so please make use of it where necessary. 2. The unit should be oriented in such a way as to prevent the air heat exchanger from facing into driving snow.

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    Si33-102.book Page 59 Tuesday, June 26, 2001 3:18 PM SiE33-102 Installation Selection of When placing several units in close proximity to each other some thought should be given to the possibility Location of short circuiting and also to the provision of adequate space for servicing. (For more detailed information please refer to the system design materials.) This unit, both indoor and outdoor, is suitable for installation in a commercial and light industrial environment.

  • Page 62: Test Operation

    Si33-102.book Page 60 Tuesday, June 26, 2001 3:18 PM Test Operation SiE33-102 4. Test Operation Procedure and Outline The operation sequence is the most important thing for test operation. Follow the following outline. 4.1.1 Check the Following Before Turning Power On Mistaken power wiring, loose screws Mistaken control transmission wiring, loose screws Piping size, presence of thermal insulation...

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    Si33-102.book Page 61 Tuesday, June 26, 2001 3:18 PM SiE33-102 Test Operation 4.1.3 Check Operation Carry out wiring check operation, For wiring check operation procedure, see wiring and check wiring and piping connections. check operation. Set the operation mode to ”cool.“ Even if it's the heating season, set to cooling mode in order to prevent liquid from backing Set to the test operation mode...

  • Page 64: Operation When Power Is Turned On

    Si33-102.book Page 62 Tuesday, June 26, 2001 3:18 PM Test Operation SiE33-102 Operation when Power is Turned On 4.2.1 When Turning On Power for the First Time The unit cannot be run for up to 12 minutes to automatically set the master power and address (indoor- outdoor address, etc.).

  • Page 65: Outdoor Unit Pc Board Ass'y

    Si33-102.book Page 63 Tuesday, June 26, 2001 3:18 PM SiE33-102 Test Operation Outdoor Unit PC Board Ass’y Outdoor Unit General Information : http://splitoff.ru/tehn-doc.html...

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    Si33-102.book Page 64 Tuesday, June 26, 2001 3:18 PM Test Operation SiE33-102 Transmission terminal Indoor unit, Cool/Heat selector Outdoor - Outdoor Service monitor LED (Green) LED-A SERV. MON. (V0836) Function setting mode switch and LED Function of setting between cooling and heating C/H SELECT IN/D OUT/D...

  • Page 67: Setting Modes

    Si33-102.book Page 65 Tuesday, June 26, 2001 3:18 PM SiE33-102 Test Operation Setting Modes There are the following three setting modes. Setting mode 1 (H1P off) Used to select the cool/heat setting, low-noise run and sequential start. Setting mode 2 (H1P on) Used to modify the running status and to program addresses, etc.

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    Si33-102.book Page 66 Tuesday, June 26, 2001 3:18 PM Test Operation SiE33-102 Mode Changing Procedure : Use the SET button to make settings. Hold down the MODE 1 Setting mode 1 Press the MODE button. button for 5 seconds. (initial status) Press the 3 Monitor mode 2 Setting mode 2...

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    Si33-102.book Page 67 Tuesday, June 26, 2001 3:18 PM SiE33-102 Test Operation 4.4.1 Setting Mode 1 Cool/heat selection setting If carried out from the indoor unit remote control: If carried out from the cool/heat selector: (SS1) IN/D OUT/D IN/D OUT/D UNIT UNIT UNIT...

  • Page 70: Http://Splitoff.ru/Tehn-Doc.html

    Si33-102.book Page 68 Tuesday, June 26, 2001 3:18 PM Test Operation SiE33-102 4.4.2 Setting Mode 2 To switch from setting mode 1 (normal) to setting mode 2, you must push and hold the next page button (BS1) for 5 seconds. (You cannot enter setting mode 2 while setting mode 1 is set.) Setting Procedure 1.

  • Page 71: Http://Splitoff.ru/Tehn-Doc.html

    Si33-102.book Page 69 Tuesday, June 26, 2001 3:18 PM SiE33-102 Test Operation LED display LED display LED display No Setting item Description H1P H2P H3P H4P H5P H6P H7P H1P H2P H3P H4P H5P H6P H7P H1P H2P H3P H4P H5P H6P H7P Emergency operation Emergency operation (Emergency...

  • Page 72: Http://Splitoff.ru/Tehn-Doc.html

    Si33-102.book Page 70 Tuesday, June 26, 2001 3:18 PM Test Operation SiE33-102 4.4.3 Monitor Mode C/H SELECT SEQ. MODE TEST L.N.O.P. START MAIN To enter the monitor mode, push the MODE button when in setting mode 1. MODE The lower 4 digits indicate the setting in each of the frames below.

  • Page 73: Http://Splitoff.ru/Tehn-Doc.html

    Si33-102.book Page 71 Tuesday, June 26, 2001 3:18 PM SiE33-102 Test Operation Monitor Mode Data Mode No. Data Display Size (binary number) method No 1 Cool/heat group address 0 ~ 31 Lower 6 digits No 2 Low noise / demand address 0 ~ 31 Lower 6 digits No 3...

  • Page 74: Cool/Heat Mode Selection

    Si33-102.book Page 72 Tuesday, June 26, 2001 3:18 PM Test Operation SiE33-102 Cool/Heat Mode Selection The R-22 VRV PLUS Series offers the following four cool/heat mode selections. 1. Setting of cool/heat by individual outdoor unit system by indoor unit remote control 2.

  • Page 75: Http://Splitoff.ru/Tehn-Doc.html

    Si33-102.book Page 73 Tuesday, June 26, 2001 3:18 PM SiE33-102 Test Operation 4.5.2 Setting of Cool / Heat by Individual Outdoor Unit System by Cool/Heat Selector Doesn’t matter whether or not there is outdoor - outdoor unit wiring. Set SS1 of the outdoor unit PC board to “OUT / D UNIT.” In setting mode 1, set cool/heat selection to “IND”...

  • Page 76: Http://Splitoff.ru/Tehn-Doc.html

    Si33-102.book Page 74 Tuesday, June 26, 2001 3:18 PM Test Operation SiE33-102 4.5.3 Setting of Cool / Heat by Outdoor Unit System Group in Accordance with Group Main Outdoor Unit by Indoor Unit Remote Control Install the External control adaptor for outdoor unit on either the outdoor - outdoor, indoor - outdoor, or indoor - indoor transmission line.

  • Page 77: Http://Splitoff.ru/Tehn-Doc.html

    Si33-102.book Page 75 Tuesday, June 26, 2001 3:18 PM SiE33-102 Test Operation Supplement Supplement to 1.5.3 and 1.5.4 If using several adaptor PCB and you want to select cool/heat mode for each adaptor PCB, set DS1 / DS2 of the adaptor PCB and the cool/heat group address on the outside unit’s PCB to the same setting in setting mode 2.

  • Page 78: Http://Splitoff.ru/Tehn-Doc.html

    Si33-102.book Page 76 Tuesday, June 26, 2001 3:18 PM Test Operation SiE33-102 Setting Method 1.5.3 and 1.5.4 address setting method (combine lower 5 digits as binary number) General Information : http://splitoff.ru/tehn-doc.html...

  • Page 79: Low Noise Operation

    Si33-102.book Page 77 Tuesday, June 26, 2001 3:18 PM SiE33-102 Test Operation Low Noise Operation By connecting the external contact input to the low noise input of the outdoor unit external control adaptor for outdoor unit (optional), you can save power and lower operating noise by 2 -3 dB. Instructions for 1.

  • Page 80: Demand Control

    Si33-102.book Page 78 Tuesday, June 26, 2001 3:18 PM Test Operation SiE33-102 Demand Control By connecting the external contact input to the demand input of the outdoor unit external control adaptor (option), the compressor operating conditions can be controlled for reduced power consumption. Demand 1 Approximately 70% level Demand 2 Approximately 40% level Demand 3 Forced thermostat OFF...

  • Page 81: Sequential Start

    Si33-102.book Page 79 Tuesday, June 26, 2001 3:18 PM SiE33-102 Test Operation Sequential Start Separates path timing of commercial power supply compressors by 3 seconds each in order to prevent overcurrent when more than 1 compressor are to be started at the same time. Improved wiring system enables sequential start of up to 10 outdoor units.

  • Page 82: Wiring Check Operation

    Si33-102.book Page 80 Tuesday, June 26, 2001 3:18 PM Test Operation SiE33-102 Wiring Check Operation If within 12 hours of stopping cooling or heating, be sure to run all indoor units in the system you want to check in the fan mode for about 60 minutes in order to prevent mis-detection. Operation Method 1.

  • Page 83: Additional Refrigerant Charge Operation

    Si33-102.book Page 81 Tuesday, June 26, 2001 3:18 PM SiE33-102 Test Operation 4.10 Additional Refrigerant Charge Operation [Work procedure] 1. Conduct ordinary refrigerant charge. With the outdoor unit in non-operating condition, charge refrigerant from the liquid-side stop valve service port. (Keep the stop valves on both liquid and gas sides closed.) Conduct the following operation only when the entire amount of refrigerant could not be charged with the compressor in non-operating condition (otherwise equipment damage can...

  • Page 84: Refrigerant Recovery Mode

    Si33-102.book Page 82 Tuesday, June 26, 2001 3:18 PM Test Operation SiE33-102 4.11 Refrigerant Recovery Mode The electronic expansion valves in the indoor and outdoor units are fixed in the fully open position for refrigerant recovery. [Work procedure] 1. Stop equipment operation. 2.

  • Page 85: Indoor Field Setting

    Si33-102.book Page 83 Tuesday, June 26, 2001 3:18 PM SiE33-102 Test Operation 4.12 Indoor Field Setting Making a field setting Field settings must be made by remote control if optional accessories have been installed on the indoor unit, or if the indoor unit or HRV unit’s individual functions have been modified. 4.12.1 Wired Remote Control <BRC1A61(51)>...

  • Page 86: Http://Splitoff.ru/Tehn-Doc.html

    Si33-102.book Page 84 Tuesday, June 26, 2001 3:18 PM Test Operation SiE33-102 4.12.2 Wired Remote Control – Heat Recovery Ventilation <BRC301B61> Field setting mode Unit No. Setting position No. Setting switch No. Mode No. 1, 7 (V1341) Setting procedure 1. In the Normal Mode, press the button for more than 4 seconds to enter the Local Setting mode.

  • Page 87: Http://Splitoff.ru/Tehn-Doc.html

    Si33-102.book Page 85 Tuesday, June 26, 2001 3:18 PM SiE33-102 Test Operation 4.12.3 Infrared Remote — Indoor Unit BRC7A Type 1. When in the normal mode, push the button for 4 seconds or more, and operation then enters the “field set mode.” 2.

  • Page 88: Http://Splitoff.ru/Tehn-Doc.html

    Si33-102.book Page 86 Tuesday, June 26, 2001 3:18 PM Test Operation SiE33-102 4.12.4 Setting Contents and Code No. – VRV Unit SECOND CODE NO. Note)2 Mode No. FIRST Description of Setting Note)1 CODE No. Approx. Approx. Ultra-Long-Life 10,000 5,000 Type Filter Contamination-Heavy/ hours hours...

  • Page 89: Http://Splitoff.ru/Tehn-Doc.html

    Si33-102.book Page 87 Tuesday, June 26, 2001 3:18 PM SiE33-102 Test Operation 4.12.5 Field Setting, Service Mode – Heat Recovery Ventilation (HRV) 1. Field setting Used for initial setting of heat recovery ventilation unit. 2. Service mode Used for confirmation of unit Nos. in the group and reallocation of unit Nos. List of Field Setting and Service Mode Heat Mode...

  • Page 90: Http://Splitoff.ru/Tehn-Doc.html

    Si33-102.book Page 88 Tuesday, June 26, 2001 3:18 PM Test Operation SiE33-102 Note: 1. All the setting can be made by the remote control for VRV and HRV unit. The setting of mode No. 19 (29) and 40 can be made only by the remote control for VRV unit. The mode No.

  • Page 91: Centralized Control Group No. Setting

    Si33-102.book Page 89 Tuesday, June 26, 2001 3:18 PM SiE33-102 Test Operation 4.13 Centralized Control Group No. Setting BRC1A51·52 If carrying out centralized control by central remote control or unified ON/OFF control, group No. must be set for each group individually by remote control. Group No.

  • Page 92: Http://Splitoff.ru/Tehn-Doc.html

    Si33-102.book Page 90 Tuesday, June 26, 2001 3:18 PM Test Operation SiE33-102 BRC7C(4C) Type Group No. setting by infrared remote for centralized control (BRC4C Type : 1. When in the normal mode, push button for 4 seconds or more, and operation then enters the without auto swing) “field set mode.”...

  • Page 93: Contents Of Control Modes

    Si33-102.book Page 91 Tuesday, June 26, 2001 3:18 PM SiE33-102 Test Operation 4.14 Contents of Control Modes Twenty modes consisting of combinations of the following five operation modes with temperature and operation mode setting by remote control can be set and displayed by operation modes 0 through 19. ON/OFF control impossible by remote control Used when you want to turn on/off by central remote control only.

  • Page 94: Http://Splitoff.ru/Tehn-Doc.html

    Si33-102.book Page 92 Tuesday, June 26, 2001 3:18 PM Test Operation SiE33-102 General Information : http://splitoff.ru/tehn-doc.html...

  • Page 95: Caution For Refrigerant Leaks

    Si33-102.book Page 93 Tuesday, June 26, 2001 3:18 PM SiE33-102 Caution for Refrigerant Leaks 5. Caution for Refrigerant Leaks Caution for Refrigerant Leaks 5.1.1 Introduction (Points to note in connection with refrigerant leaks) The installer and system specialist shall secure safety against leakage according to local regulations or standards.

  • Page 96: Http://Splitoff.ru/Tehn-Doc.html

    Dealing with the situations where the result exceeds the maximum concentration level. Where the installation of a facility results in a concentration in excess of the maximum concentration level then it will be necessary to revise the system. Please consult your Daikin supplier. General Information : http://splitoff.ru/tehn-doc.html...

  • Page 97: Http://Splitoff.ru/Tehn-Doc.html

    Si33-102.book Page 95 Tuesday, June 26, 2001 3:18 PM SiE33-102 Caution for Refrigerant Leaks Step 5 Dealing with situations where the result exceeds the dangerous concentration level. Where the installation of a facility results in a concentration in excess of the dangerous concentration level then it may be necessary to revise the system design to some extent or else take one of the following courses of action.

  • Page 98: Hand Over To Customer

    Si33-102.book Page 96 Tuesday, June 26, 2001 3:18 PM Hand Over to Customer SiE33-102 6. Hand Over to Customer Operational Steps Explain how to Hand over Make final report Complete test run (test run operate relevant printed equipment materials inspection sheet) (V1050) Important Points a) The measurements taken during the test run should be recorded and kept on a test run inspection...

  • Page 99: Appendix

    Si33-102.book Page 97 Tuesday, June 26, 2001 3:18 PM SiE33-102 Appendix 7. Appendix Allowable Piping Length Points of piping desigh 1. b + c = 100m 2. Level difference between outdoor units (Main and Sub units) a ≤ 5 m 3.

  • Page 100: Selection Of Refrigerant Pipe Size

    Si33-102.book Page 98 Tuesday, June 26, 2001 3:18 PM Appendix SiE33-102 Selection of Refrigerant Pipe Size Capacity of indoor unit and size of refrigerant pipe (G) Class Cooling kcal/h 2,000 2,500 3,150 4,000 5,000 6,300 8,000 10,000 12,500 20,000 25,000 Capacity Btu/h 7,900...

  • Page 101: Http://Splitoff.ru/Tehn-Doc.html

    Si33-102.book Page 99 Tuesday, June 26, 2001 3:18 PM SiE33-102 Appendix Between outdoor unit and first branch kit (C) × Pipe Size (out. dia. min. wall thickness) Applicable Model Liquid Pipe Gas Pipe (main) φ15.9 × φ34.9 × RXY16KA t1.0 t1.3 φ19.1 ×...

  • Page 102: Additional Charge Of Refrigerant

    Si33-102.book Page 100 Tuesday, June 26, 2001 3:18 PM Appendix SiE33-102 Additional Charge of Refrigerant Notes: 1. Refrigerant must be replenished for the R-22 VRV PLUS Series just as with past VRV Series. 2. If refrigerant is not replenished, the system will not operate properly. 3.

  • Page 103: Http://Splitoff.ru/Tehn-Doc.html

    Si33-102.book Page 101 Tuesday, June 26, 2001 3:18 PM SiE33-102 Appendix Table 1: Additional refrigerant per meter of piping (liquid pipe) Piping Size (φ) Refrigerant Amount (kg) 22.2 0.36 19.1 0.27 15.9 0.17 12.7 0.10 0.05 0.025 7.3.1 Precautions in Charging Refrigerant Mark the Model This information is needed for aftercare service.

  • Page 104: Sie33

    Si33-102.book Page 102 Tuesday, June 26, 2001 3:18 PM Appendix SiE33-102 Calculating Calculate the charge of refrigerant needed as described below, and add accordingly. Refrigerant Charge Record your calculations for use by aftercare service. Total length of liquid line piping (φ 22.2) Total length of liquid line piping (φ...

  • Page 105: Refnet Pipe Connections For Vrv Plus Series

    Si33-102.book Page 103 Tuesday, June 26, 2001 3:18 PM SiE33-102 Appendix REFNET Pipe Connections for VRV PLUS Series 7.4.1 REFNET JOINT (for Cooling Only and Heat Pump System) KHRJ26K11T (less than 100) KHRJ26K17T (100 or more) KHRJ26K18T (100 or more 160) KHRJ26K37T (160 or more 330) General Information : http://splitoff.ru/tehn-doc.html...
  • Page 106 Si33-102.book Page 104 Tuesday, June 26, 2001 3:18 PM Appendix SiE33-102 KHRJ26K40T (330 or more 640) KHRJ26K75T (640 or more) 7.4.2 REFNET HEADER (for Cooling Only and Heat Pump System) KHRJ26K11H (4 branch fitting) (less than 100) KHRJ26K17H (8 branch fitting) (100 or more) General Information : http://splitoff.ru/tehn-doc.html...
  • Page 107 Si33-102.book Page 105 Tuesday, June 26, 2001 3:18 PM SiE33-102 Appendix KHRJ26K18H (6 branch fitting) (100 or more 160) KHRJ26K37H (8 branch fitting) (160 or more 330) KHRJ26K40H (8 branch fitting) (330 or more 640) General Information : http://splitoff.ru/tehn-doc.html...
  • Page 108 Si33-102.book Page 106 Tuesday, June 26, 2001 3:18 PM Appendix SiE33-102 7.4.3 PIPE SIZE REDUCER (For R-22) This kit including followings; Name Pipe size reducer (1) Pipe size reducer (2) Pipe size reducer (3) Figure (V1071) (V1072) (V1073) KHRJ26K40TP — Q’ty KHRJ26K40HP —...
  • Page 109 Si33-102.book Page 107 Tuesday, June 26, 2001 3:18 PM SiE33-102 Appendix 7.4.4 Piping Kits for Side and Bottom Piping – Outdoor Unit Piping kit for side piping KHF30A30L Adhesive Slit Charge port PVC cover (V1078) Gas side piping (V1080) Insulation material 2pcs. (V1079) Liquid side piping Piping kit for bottom piping KHF30A30U...
  • Page 110 Si33-102.book Page 108 Tuesday, June 26, 2001 3:18 PM Appendix SiE33-102 REFNET Joint and 1. REFNET joint Header Installation (Gas line and liquird line branch pipe) If the selected building pipe differs form the branch pipe in size, cut the conneciton with a pipe cutter as shown below.

  • Page 111: Vrv Inspection Sheet

    Si33-102.book Page 109 Tuesday, June 26, 2001 3:18 PM SiE33-102 Appendix VRV Inspection Sheet Inspection date: Delivery date: Transfer date: Owner System name Outdoor units Installation location Model Unit No. Outdoor unit Main unit Sub unit Indoor units Installation Model Unit No.
  • Page 112 Si33-102.book Page 110 Tuesday, June 26, 2001 3:18 PM Appendix SiE33-102 Before turning on the power System name Inspection item Inspection method Standard (guideline) Measurement values Decision Breaker capacity Visual inspection Specified capacity Refrigerant piping system Gas detector No leaks Heat exchanger Visual inspection No clogging or damage...
  • Page 113 Si33-102.book Page 111 Tuesday, June 26, 2001 3:18 PM SiE33-102 Appendix During operation System name Inspection item Inspection method Standard (guideline) Measurement values Decision Rated voltage ±10% Main power supply voltage Tester V S-T V R-T Rated voltage ±10% Operation circuit voltage Tester Fan rotation direction Visual inspection...
  • Page 114 Si33-102.book Page 112 Tuesday, June 26, 2001 3:18 PM Appendix SiE33-102 During operation System name Inspection method Standard (guideline) Measurement values Decision Inspection item Room 1 Room 2 Room 3 Room 4 Room 5 Room 6 Room 7 Room 8 Room 9 Room10 Room11...

  • Page 115: Piping System Diagrams

    Si33-102.book Page 113 Tuesday, June 26, 2001 3:18 PM SiE33-102 Appendix Piping System Diagrams 7.6.1 Indoor Unit FXYC, FXYF, FXYK, FXYD, FXYS, FXYB, FXYM, FXYH, FXYA, FXYL, FXYLM Gas piping connection port Heat exchanger Liquid piping connection port Electronic Filter Filter R1T : Thermister for suction air temp.
  • Page 116 Si33-102.book Page 114 Tuesday, June 26, 2001 3:18 PM Appendix SiE33-102 7.6.2 Outdoor Units RSXY16·18·20KAY1(E) / YAL(E) General Information : http://splitoff.ru/tehn-doc.html...
  • Page 117 Si33-102.book Page 115 Tuesday, June 26, 2001 3:18 PM SiE33-102 Appendix RSXY24·26·28·30KAY1(E) / YAL(E) General Information : http://splitoff.ru/tehn-doc.html...

  • Page 118: Table Of Contents 7.7 Wiring Diagrams

    Si33-102.book Page 116 Tuesday, June 26, 2001 3:18 PM Appendix SiE33-102 Wiring Diagrams 7.7.1 Outdoor Units RSXY16·18·20KAY1(E) / YAL(E) General Information : http://splitoff.ru/tehn-doc.html...
  • Page 119 Si33-102.book Page 117 Tuesday, June 26, 2001 3:18 PM SiE33-102 Appendix RSXY24·26·28·30KAY1(E) / YAL(E) General Information : http://splitoff.ru/tehn-doc.html...

  • Page 120: Bad Examples And Good Examples In Installation

    Si33-102.book Page 118 Tuesday, June 26, 2001 3:18 PM Appendix SiE33-102 Bad Examples and Good Examples in Installation 7.8.1 Example 1: Signal interference due to use of multiple core cable (all model) Situation Although for the purposes of group control there are only 2 units per group there are transmission malfunctions between the indoor units and the remote control and the remote control’s address display is showing non-existent addresses such as 13 or 15.
  • Page 121 Si33-102.book Page 119 Tuesday, June 26, 2001 3:18 PM SiE33-102 Appendix 7.8.2 Example 2: Mismatch between cables connecting indoor and outdoor units and corresponding piping. (all model) Situation The remote control is not showing any malfunction and the system is operating but there is no flow of warm air from the indoor unit (in heating mode).
  • Page 122 Si33-102.book Page 120 Tuesday, June 26, 2001 3:18 PM Appendix SiE33-102 7.8.3 Example 3: Drain pipe trap shape defective Situation Indoor unit was fitted with a drain trap but a leak occurred during subsequent operation. Source of Problem The trap was not properly shaped thus preventing it from functioning effectively as a trap and resulting in and Remedial drain leakage.
  • Page 123 Si33-102.book Page 121 Tuesday, June 26, 2001 3:18 PM SiE33-102 Appendix 7.8.4 Example 4: Pressure down despite absence of leaks during air tight test (all model) Situation In order to carry out local air tight tests on the refrigerant piping the system was pressurized (3.33KPa) via the liquid pipe service port and after 24 hours the pressure was found to have fallen.
  • Page 124 Si33-102.book Page 122 Tuesday, June 26, 2001 3:18 PM Appendix SiE33-102 7.8.5 Example 5: Excessive noise due to incorrect angling of REFNET joints Situation The noise of the refrigerant flow during defrosing is excessive. Source of Problem The angle of the fittings was incorrect and needed to be rectified as shown in the following figure. and Remedial Action 1.
  • Page 125 Si33-102.book Page 123 Tuesday, June 26, 2001 3:18 PM SiE33-102 Appendix 7.8.6 Example 6: Cracks develop in field pipes due to thermal expansion and contraction Situation Refrigerant piping has developed cracks in soldered points and is leaking gas. Cause Both ends of the pipe have been tightly fixed in place. ↓...
  • Page 126 Si33-102.book Page 124 Tuesday, June 26, 2001 3:18 PM Appendix SiE33-102 7.8.7 Example 7: Transmission wiring between the cool/heat selector and the outdoor unit is too close to a high voltage wire. Situation Heating is indicated despite having selected cooling with the cool/heat selector. Cause and The transmission wiring between the cool/heat selector and the outdoor unit is too close to a high voltage Remedial Action...
  • Page 127 Si33-102.book Page 125 Tuesday, June 26, 2001 3:18 PM SiE33-102 Appendix Situation The display on the central remote control does not change from its initial state after turning power ON. Initial display of the central remote control Cause 1. None of the indoor units connected to the central remote control have been given a group No. 2.
  • Page 128 Si33-102.book Page 126 Tuesday, June 26, 2001 3:18 PM Appendix SiE33-102 General Information : http://splitoff.ru/tehn-doc.html...

  • Page 129: Part 2 Installation Manual

    Si33-102.book Page 127 Tuesday, June 26, 2001 3:18 PM SiE33-102 Part 2 Installation Manual 1. Introduction ..................128 1.1 Introduction..................128 1.2 Cautions in Installation ................ 129 1.3 Combination ..................130 1.4 Standard Operation Limit..............131 1.5 Standard Supplied Accessories............132 1.6 Optional Accessories................

  • Page 130: Introduction

    44.8 to 84.0kW and nominal heating capacities ranging from 50.0 to 94.5kW. The RSXY units can be combined with Daikin VRV series indoor units for air conditioning purposes. The present installation manual describes the procedures for unpacking, installing and connecting the RSXY units.

  • Page 131: Cautions In Installation

    Improper installation or attachment of equipment or accessories could result in electric shock, short-circuit, leaks, fire or other damage to the equipment. Be sure only to use accessories made by DAIKIN which are specifically designed for use with the equipment and have them installed by a professional.

  • Page 132: Combination

    Si33-102.book Page 130 Tuesday, June 26, 2001 3:18 PM Introduction SiE33-102 Combination The combination with indoor units is as follows: The possible combination of the outdoor unit with indoor units is in function of the total capacity index of these indoor units and must be within the range as specified below: Outdoor Unit RSXY16 <...

  • Page 133: Standard Operation Limit

    Si33-102.book Page 131 Tuesday, June 26, 2001 3:18 PM SiE33-102 Introduction Standard Operation Limit The figures below assume following operating conditions for indoor and outdoor units: Equivalent pipe length..................5m Level difference....................0m Cooling Heating 15.5 −5 −10 −5 −10 −15 10 15 20 25 30 D 20 25 27 30 B (V0888)

  • Page 134: Standard Supplied Accessories

    Si33-102.book Page 132 Tuesday, June 26, 2001 3:18 PM Introduction SiE33-102 Standard Supplied Accessories RXY8,10 RXY16,20 RXE8,10 (V1833) Accessories are attached in the main unit , RXY. RSXY16,18,20 Tie-Wrap (1) (V0889) Gas Side Attached Pipe (2) (for connecting main and sub unit) (V0890) Gas Side Attached Pipe (2) (V0892)
  • Page 135 Si33-102.book Page 133 Tuesday, June 26, 2001 3:18 PM SiE33-102 Introduction Notes: Attached pipes are only for front piping. (RSXY24-30) For side or bottom piping , see “Optional accessories” Installation Manual : http://splitoff.ru/tehn-doc.html...

  • Page 136: Optional Accessories

    Si33-102.book Page 134 Tuesday, June 26, 2001 3:18 PM Introduction SiE33-102 Optional Accessories The outdoor unit requires purchasing the following refrigerant branch kits separately. Refnet Header KHRJ26K11H KHRJ26K17H KHRJ26K18H KHRJ26K37H KHRJ26K40H Refnet Joint KHRJ26K11T KHRJ26K17T KHRJ26K18T KHRJ26K37T KHRJ26K40T KHRJ26K75T Pipe Size Reducer KHRJ26K40TP KHRJ26K40HP KHRJ26K75TP...

  • Page 137: Technical Specifications

    Si33-102.book Page 135 Tuesday, June 26, 2001 3:18 PM SiE33-102 Introduction Technical Specifications “KAY1” for 3N~380-415V 50Hz “KAYAL” for 3N~380V 60Hz General RSXY16 RSXY18 RSXY20 RSXY24 RSXY26 RSXY28 RSXY30 Nominal Cooling Capacity 44.8 50.4 56.0 67.2 72.8 78.4 84.0 Nominal Heating Capacity 50.0 56.5 63.0...

  • Page 138: Electrical Specifications

    Si33-102.book Page 136 Tuesday, June 26, 2001 3:18 PM Introduction SiE33-102 Electrical Specifications RSXY16 RSXY18 RSXY20 RSXY24 RSXY26 RSXY28 RSXY30 Model KAY1 KAY1 KAY1 KAY1 KAY1 KAY1 KAY1 - Phase - Frequency Power - Voltage 380 – 415 380 – 415 380 –...

  • Page 139: Main Components

    Si33-102.book Page 137 Tuesday, June 26, 2001 3:18 PM SiE33-102 Main Components 2. Main Components Main Components For main components and function of the main components, refer to the Engineering Data Book and service manual Si33-101. Installation Manual : http://splitoff.ru/tehn-doc.html...

  • Page 140: Selection Of Location

    Si33-102.book Page 138 Tuesday, June 26, 2001 3:18 PM Selection of Location SiE33-102 3. Selection of Location Selection of Location This unit, both indoor and outdoor, is suitable for installation in a commercial and light industrial environment. If installed as a household appliance it could cause electromagnetic interference. The VRV plus outdoor units should be installed in a location that meets the following requirements: 1.

  • Page 141: Inspecting And Handling The Unit

    Si33-102.book Page 139 Tuesday, June 26, 2001 3:18 PM SiE33-102 Inspecting and Handling the Unit 4. Inspecting and Handling the Unit Inspecting and Handling the Unit The units are packed in a wooden crate and attached on a wooden pallet. At delivery, the package should be checked and any damage should be reported immediately to the carrier claims agent.

  • Page 142: Unpacking And Placing The Unit

    Si33-102.book Page 140 Tuesday, June 26, 2001 3:18 PM Unpacking and Placing the Unit SiE33-102 5. Unpacking and Placing the Unit Unpacking and Placing the Unit 1. Remove the wooden crate from the unit. 2. Remove the four screws fixing the unit to the pallet. 3.

  • Page 143: Refrigerant Piping

    Si33-102.book Page 141 Tuesday, June 26, 2001 3:18 PM SiE33-102 Refrigerant Piping 6. Refrigerant Piping Refrigerant Piping Caution All field piping must be installed by a licensed refrigeration technician and must comply with relevant local and national regulations. Installation Manual : http://splitoff.ru/tehn-doc.html...

  • Page 144: Selection Of Piping Material

    Si33-102.book Page 142 Tuesday, June 26, 2001 3:18 PM Refrigerant Piping SiE33-102 Selection of Piping Material Step 1 Use the following material specification for refrigerant piping: construction material: Phosphoric acid deoxidized seamless copper for refrigerant. size: Determine the proper size referring to chapter “Example of connection”. Step 2 Make sure to use the particular branches of piping that have been selected referring to chapter “Example of connection”...

  • Page 145: Connecting The Refrigerant Piping

    Si33-102.book Page 143 Tuesday, June 26, 2001 3:18 PM SiE33-102 Refrigerant Piping Connecting the Refrigerant Piping 1. Piping Installation of refrigerant piping is possible as front connection, side connection and bottom connection. Installation Caution Be sure to use the attached pipe when carrying out piping work in the field. Separately use the optional “KHF30A30L”...
  • Page 146 Si33-102.book Page 144 Tuesday, June 26, 2001 3:18 PM Refrigerant Piping SiE33-102 3. Bottom Connection Piping kit “KHF30A30U” is required for RSXY24,26,28 and 30. For RSXY16,18 and 24, bend the liquid side pipe as below and connect it to the stop valve. ±175mm Bending position...
  • Page 147 Si33-102.book Page 145 Tuesday, June 26, 2001 3:18 PM SiE33-102 Refrigerant Piping 2. Piping between Be sure to open the cornered knock out hole on the left panel of the sub unit when connecting the Main Unit (RXY-) branch piping between outdoor units. and Sub Unit (RXE-) Location to disconnect: the V groove part (Sub unit)
  • Page 148 Si33-102.book Page 146 Tuesday, June 26, 2001 3:18 PM Refrigerant Piping SiE33-102 5. Pipe Connection Apply the refrigerant oil around the flare portions before connecting. Only proceed with brazing after carrying out “Refrigerant pipe flushing” (note) or while releasing nitrogen into the refrigerant piping (note). If brazing is done without “Refrigerant pipe flushing”...
  • Page 149 Si33-102.book Page 147 Tuesday, June 26, 2001 3:18 PM SiE33-102 Refrigerant Piping The pressure regulator for the nitrogen released when doing the brazing should be set to 0.02 MPa (0.2 kg/cm ² ) or less. Location to be brazed Taping Manual valve Regulator...

  • Page 150: Leak Test And Vacuum Drying

    Si33-102.book Page 148 Tuesday, June 26, 2001 3:18 PM Refrigerant Piping SiE33-102 Leak Test and Vacuum Drying The units were checked for leaks by the manufacturer. Confirm that the valves are firmly closed before pressure test or vacuuming. Air Tight Test and Air tight test: Make sure to use nitrogen gas.

  • Page 151: Pipe Insulation

    Si33-102.book Page 149 Tuesday, June 26, 2001 3:18 PM SiE33-102 Refrigerant Piping Pipe Insulation After finishing the leak test and vacuum drying, the piping must be insulated. Take into account the following points: Make sure to insulate the connection piping and refrigerant branch kits entirely. Make sure to insulate the gas side connection piping and refrigerant branch kits entirely against heat, and depending on operation conditions (e.g.

  • Page 152: Additional Refrigerant Charge

    Si33-102.book Page 150 Tuesday, June 26, 2001 3:18 PM Refrigerant Piping SiE33-102 Additional Refrigerant Charge Caution Refrigerant may only be charged after performing the leak test and the vacuum drying. (See page 148) When charging a system, care shall be taken that its maximum permissible charge is never exceeded, in view of the danger of liquid hammer.

  • Page 153: Field Wiring

    Si33-102.book Page 151 Tuesday, June 26, 2001 3:18 PM SiE33-102 Field Wiring 7. Field Wiring Field Wiring Caution All field wiring and components must be installed and maintenanced by a licensed electrician and must comply with relevant local and national regulations. The field wiring must be carried out in accordance with the wiring diagrams and the instructions given below.

  • Page 154: Internal Wiring - Parts Table

    Si33-102.book Page 152 Tuesday, June 26, 2001 3:18 PM Field Wiring SiE33-102 Internal Wiring – Parts Table Refer to the wiring diagram sticker on the unit. The abbreviations used are listed below: RSXY16, 18, 20 Printed circuit board (MAIN) Reactor Printed circuit board (INV) M1C,2C Motor (compressor)
  • Page 155 Si33-102.book Page 153 Tuesday, June 26, 2001 3:18 PM SiE33-102 Field Wiring RSXY24, 26, 28, 30 Printed circuit board (MAIN) Q11M,12M Thermo switch (M11F, M12F) Printed circuit board (INV) Q21M,22M Thermo switch (M21F, M22F) A3P,4P Printed circuit board (SUB) Q3M,4M Thermo switch (M3F, M4F) Printed circuit board Resistor...

  • Page 156: Optional Parts Cool/Heat Selector

    Si33-102.book Page 154 Tuesday, June 26, 2001 3:18 PM Field Wiring SiE33-102 Optional Parts Cool/Heat Selector SS1 ..Selector switch (fan, cool/heat) SS2 ..Selector switch (cool/heat) Notes: Use copper conductors only. When using the adaptor for sequential start, refer to chapter “Examples”. For connection wiring to outdoor-outdoor transmission F1-F2, outdoor-indoor transmission F1-F2, refer to chapter “Examples”.

  • Page 157: Power Circuit And Cable Requirements

    Si33-102.book Page 155 Tuesday, June 26, 2001 3:18 PM SiE33-102 Field Wiring Power Circuit and Cable Requirements A power circuit (See table below) must be provided for connection of the unit. This circuit must be protected with the required safety devices, i.e. a main switch, a slow blow fuse on each phase and an earth leak detector.

  • Page 158: General

    Si33-102.book Page 156 Tuesday, June 26, 2001 3:18 PM Field Wiring SiE33-102 General Make sure to connect the power source wire to the power source terminal block and to clamp it as shown in figure, chapter “Field line connection” on page 157. As this unit is equipped with an inverter, installing a phase advancing capacitor not only will deteriorate power factor improvement effect, but also may cause capacitor abnormal heating accident due to high- frequency waves.

  • Page 159: Examples

    Si33-102.book Page 157 Tuesday, June 26, 2001 3:18 PM SiE33-102 Field Wiring Examples 7.6.1 System Example RSXY16,18,20 RSXY24,26,28,30 RXY16,20 RXE8,10 RXY8,10 RXE8,10 Field power supply Field power supply Earth leak Earth leak Main switch Main switch detector detector Fuse Cool/Heat selector Fuse Cool/Heat selector Earth leak detector...
  • Page 160 Si33-102.book Page 158 Tuesday, June 26, 2001 3:18 PM Field Wiring SiE33-102 7.6.3 Field Line Connection between Main Unit (RXY-) and Sub Unit (RXE-) Caution In the event that the main unit and the sub unit are separated by 1000 mm or more, the attached cables cannot be used.
  • Page 161 Si33-102.book Page 159 Tuesday, June 26, 2001 3:18 PM SiE33-102 Field Wiring RSXY24,26,28,30 RXY16,20 (Main unit) RXE 8,10 (Sub unit) Branch wiring between outdoor units (Low voltage) Power supply Cable(Low voltage) Liquid line Insulation material Cable (High voltage) Gas line Insulation material Branch wiring between outdoor units...
  • Page 162 Si33-102.book Page 160 Tuesday, June 26, 2001 3:18 PM Field Wiring SiE33-102 7.6.5 Example of Performing Cool/Heat with Cool/Heat Selector A B C F1 A B C TO IN/D UNIT TO OUT/D UNIT Cool/heat selector C/H SELECTOR TRANSMISSION WIRING (optional for heat pump unit only) Take care of the polarity Outdoor unit P.C.
  • Page 163 Si33-102.book Page 161 Tuesday, June 26, 2001 3:18 PM SiE33-102 Field Wiring 7.6.8 Setting the Cool/Heat Operation 1. Performing cool/heat setting with the remote control connected to the indoor unit. Keep the cool/heat selector switch (SS1) on the outdoor unit PC board (A1P) at the factory setting position IN/D UNIT.
  • Page 164 Si33-102.book Page 162 Tuesday, June 26, 2001 3:18 PM Field Wiring SiE33-102 7.6.9 Picking Power Line and Transmission Line Be sure to let the power line and the transmission line pass through a conduit hole. Pick the power line from the upper hole on the left side plate, from the front position of the main unit (through the conduit hole of the wiring mounting plate - optional parts) or from a knock out hole to be made in the unit’s bottom plate.

  • Page 165: Before Operation

    Si33-102.book Page 163 Tuesday, June 26, 2001 3:18 PM SiE33-102 Before Operation 8. Before Operation Checks before Initial Start-Up Caution Make sure that the circuit breaker on the power supply panel of the installation is switched off. After the installation, check the following before switching on the circuit breaker: 1.

  • Page 166: Test Run

    Si33-102.book Page 164 Tuesday, June 26, 2001 3:18 PM Before Operation SiE33-102 Test Run 8.2.1 Operation of Stop Valve Keep all stop valves fully open. (Refer to chapter “How to operate stop valves”.) 8.2.2 Power Supply Connection Caution In order to avoid compressor damage, it is necessary to switch on the crankcase heater for at least six hours before starting the compressor after a long period of standstill or for the first time.
  • Page 167 Si33-102.book Page 165 Tuesday, June 26, 2001 3:18 PM SiE33-102 Before Operation 8.2.4 How to Operate Stop Valves (V1869) 1. To Open 1. Remove the cap (1) and turn the shaft (2) counterclockwise with hexagon socket screw keys (JIS B 4648 nominal size 6 mm and 10 mm).
  • Page 168 Si33-102.book Page 166 Tuesday, June 26, 2001 3:18 PM Before Operation SiE33-102 When you keep on tightening the flare nut with a spanner, there is a point where the tightening torque suddenly increases. From that position, further tighten the flare nut the angle shown below: Torque wrench Spanner Flare nut...

  • Page 169: Caution For Refrigerant Leaks

    Si33-102.book Page 167 Tuesday, June 26, 2001 3:18 PM SiE33-102 Caution for Refrigerant Leaks 9. Caution for Refrigerant Leaks Caution for Refrigerant Leaks 9.1.1 Introduction The installer and system specialist shall secure safety against leakage according to local regulations or standards. The following standards may be applicable if local regulations are not available.
  • Page 170 Dealing with the situations where the result exceeds the maximum concentration level. Where the installation of a facility results in a concentration in excess of the maximum concentration level then it will be necessary to revise the system. Please consult your Daikin supplier. Installation Manual : http://splitoff.ru/tehn-doc.html...

  • Page 171: Appendix Of Installation

    Si33-102.book Page i Tuesday, June 26, 2001 3:18 PM SiE33-102 Index Symbols Field Setting ............87 Field Wiring ............151 “88” cannot be cleared from the central remote Flange Connection ..........25 control ............124 Flare Connection ........... 22 Flaring Procedure ..........23 Additional Charge of Refrigerant ....34, 100 Additional Refrigerant Charge ......150 Grouped Drain Piping ..........
  • Page 172 Si33-102.book Page ii Tuesday, June 26, 2001 3:18 PM SiE33-102 Snow Accumulation ..........58 Standard Operation Limit ........131 REFNET HEADER ..........104 Standard Supplied Accessories ......132 REFNET header ...........108, 122 Step by Step Installation Procedure ...... 12 REFNET JOINT ...........103 Stop Valve ............

  • Page 173: Example Of Connection

    Si33-102.book Page iii Tuesday, June 26, 2001 3:18 PM SiE33-102 Drawings & Flow Charts Symbols by Indoor Unit Remote Control ..74 Supplement ............. 75 “88” cannot be cleared from the central remote Correlation of nozzle tip and control ............124 size of refrigeration piping ......
  • Page 174 Si33-102.book Page iv Tuesday, June 26, 2001 3:18 PM SiE33-102 FXYA-Wall mounted unit ........50 Operational Steps ........... 96 FXYB-Concealed ceiling unit (small) .....47 Heat Pump System Example ......100 FXYC-2-way blow ceiling mounted cassette How these installation problems affect After piping work is finished, an equipment ...........
  • Page 175 Si33-102.book Page v Tuesday, June 26, 2001 3:18 PM SiE33-102 Setting Mode 1 ..........67 Setting Mode 2 ..........68 Picking Power Line and Transmission Line ..162 Setting the Cool/Heat Operation ......161 Pipe size reducer (1) ..........106 Signal interference due to use Pipe size reducer (2) ..........106 of multiple core cable ........
  • Page 176 Si33-102.book Page vi Tuesday, June 26, 2001 3:18 PM SiE33-102 Drawings & Flow Charts http://splitoff.ru/tehn-doc.html...

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