Related Manuals for Daikin RXYQ6BRY16
Summary of Contents for Daikin RXYQ6BRY16
- Page 1 INSTALLATION MANUAL System Air Conditioner RXYQ6BRY16 RXYQ8BRY16 RXYQ10BRY16 RXYQ12BRY16 RXYQ14BRY16 RXYQ16BRY16 RXYQ18BRY16 RXYQ20BRY16 RXYQ22BRY16 RXYQ24BRY16 00_CV_3P748230-1.indd 1 12/10/2023 11:27:06...
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Page 3: Table Of Contents
19.2 Maximum concentration level ........61 19.3 Procedure for checking maximum concentration ... 61 3. Introduction ............5 3.1 General information ............5 3.2 System layout ..............5 Thank you for purchasing this Daikin VRV system. 3.3 Combination..............5 3.4 Scope of the manual ............6 4. Accessories ............6 CAREFULLY READ THESE INSTRUCTIONS 4.1 Accessories supplied with this unit ........6 BEFORE INSTALLATION. -
Page 4: Meaning Of Used Terms
Your hand may suffer burns or frostbite if you Qualified company which can perform or coordinate the touch the piping or internal parts. To avoid injury, required service to the unit. give the piping and internal parts time to return to normal temperature or, if you must touch them, Applicable legislation: be sure to wear protective gloves. All international, European, national and local directives, laws, regulations and/or codes which are Also, at least, following information shall be provided at relevant and applicable for a certain product or domain. an accessible place of the system: Accessories: Instructions for shutting down the system in case of • Equipment which is delivered with the unit and which an emergency. needs to be installed according to instructions in the Name and address of fire department, police and • documentation. hospital. Optional equipment: Name, address and day and night telephone numbers • for obtaining service. Equipment which can optionally be combined to the products as per the subject of this manual. Field supply: Equipment which needs to be installed according to instructions in this manual, but which are not supplied by Daikin. 01_EN_3P748230-1.indd 2 23/01/2023 17:23:34... -
Page 5: Safety Precautions
FIRST OF ALL WARNING This document is an installation manual for the • Ask your dealer or qualified personnel to carry out • Daikin RXYQ Series VRV Inverter. Before installing installation work. the unit, read this manual thoroughly, and following Do not attempt to install the air conditioner yourself. the instructions contained in it. After installation, do a Improper installation may result in water leakage, test run to make sure the unit runs properly and then electric shocks or fire. explain how to operate and take care of the unit to Consult your local regarding what to do in case of • the customer, using the operation manual. refrigerant leakage, when the air conditioner is to be Lastly, make sure the customer keeps this manual, • installed in a small room, it is necessary to take along with the operation manual, in a safe place. proper measures so that the amount of any leaked refrigerant does not exceed the concentration limit in This manual does not describe how to install the • the event of leakage. Otherwise, this may lead to an indoor unit. accident due to oxygen depletion. Refer to the installation manual included with the indoor unit for that. Install the air conditioner in accordance with the • instructions in this installation manual. Improper installation may result in water leakage, 2.1 Safety precautions electric shocks or fire. -
Page 6: Special Notice Of Product
After completing installation, check for refrigerant 4. Where flammable gas may leak, where there is • gas leakage. carbon fibre or ignitable dust suspensions in the air, Toxic gas may be produced if the refrigerant gas or where volatile flammables such as paint thinner leaks into the room and comes into contact with a or gasoline are handled. source of fire, such as a fan heater, stove or cooker. Operating the unit in such conditions may result in fire. Do not directly touch refrigerant that has leaked from • In a domestic environment this product may cause refrigerant pipes or other areas, as there is a danger • radio interference in which case the user may be of frostbite. required to take adequate measures. Be sure to switch off the unit before touching any • electrical parts. 2.2 Special notice of product Do not allow children to climb on the outdoor unit • and avoid placing objects on the unit. [REFRIGERANT] Injury may result if the unit becomes loose and falls. VRV System use R410A refrigerant. Be sure to earth the air conditioner. •... -
Page 7: Introduction
3. Introduction 3.3 Combination The indoor units can be installed in the following range. 3.1 General information (Outdoor unit) (Combination) (Total capacity of indoor units) This installation manual concerns the VRV, full inverter RXYQ6BRY16 …….. Single unit 75~300 driven, heat pump system. RXYQ8BRY16 …….. Single unit 100~400 Depending on the type of outdoor unit which is chosen, RXYQ10BRY16 …….. Single unit 125~500 some functionality will or will not exist. It will be RXYQ12BRY16 …….. Single unit 150~600 indicated throughout this installation manual and RXYQ14BRY16 …….. Single unit 175~700 brought to your attention. Certain features have... -
Page 8: Scope Of The Manual
4.1 Accessories supplied with this unit KHRP26M73HP Outdoor unit multi connection piping kit • Accessories assy Number of outdoor units connected 2 units 3 units (Manual) BHFP22P1356 BHFP22P1686 Kit name Note Make sure that any separate purchased accessories • are designed for use with R410A. Accessories assy (piping) REFNET joint KHRP~ model is included in some • specific Pipe size reducer. It is not designed to size up main pipes (gas side) to Ø25.4, Ø31.8 or Ø38.1 mm in diameter. For further specifications, contact Daikin sales office. NOTICE Do not throw away any of the accessories until installation is complete. They are needed for installation work. 01_EN_3P748230-1.indd 6 23/01/2023 17:23:39... -
Page 9: Overview Of Unit
Overview of unit 5.2 Main components in the unit For all the models a piping diagram and outlook drawing are available. 5.1 Opening the unit Depending on the model type some components in the To gain access to the unit, front plates need to be main component list may not be existing in the unit. opened as follows: Main components (see 5.2.1, 5.2.2, 5.2.3) 1 Compressor (M1C) 2 Compressor (M2C) 3 Heat exchanger 4 Propeller fan 5 Fan motor (M1F, M2F) 6 Accumulator 7 Oil separator 8 Electronic expansion valve, main (Y1E) 9 Electronic expansion valve, refrigerant cooling IPM (Y2E) 10 Electronic expansion valve, subcool heat exchanger... - Page 10 5.2.1 RXYQ* (6~12 HP) Piping diagram Stop valve (With service Ø5/16 in. (7.9mm) flare connection) Outside El. Compo. Box Heat sink air Heat sink air Electronic Electronic Expansion Expansion Valve (Y5E) Valve (Y3E) Plate Heat Exchanger Liquid Pipe. Pressure Filter Regulating Valve Electronic...
- Page 11 5.2.2 RXYQ* (14~20 HP) Piping diagram Stop valve (With service Ø 5/16 in. (7.9mm) flare connection) Outside El. Compo. Box Heat sink air Heat sink air Electronic Electronic Expansion Expansion Valve (Y5E) Valve (Y3E) Plate Heat Exchanger Liquid Pipe. Filter Pressure Regulating Valve Electronic...
- Page 12 5.2.3 RXYQ* (22, 24 HP) Piping diagram Stop valve (With service Ø5/16 in. (7.9mm) flare connection) Outside El. Compo. Box Heat sink air Heat sink air Electronic Electronic Expansion Expansion Valve (Y5E) Valve (Y3E) Plate Heat Exchanger Liquid Pipe. Filter Fan (M2F) Pressure Electronic Regulating...
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Page 13: Main Components In The Electrical Component Box
5.3 Main components in the electrical CAUTION component box Appliance not accessible to the general public, install it in a secured area, protected from easy access. This unit, both indoor and outdoor, is suitable for installation in a commercial and light industrial environment. 6.1 General precautions on installation Select an installation site that meets the following requirements: The foundation must be strong enough to support the • weight of the unit. The floor is flat to prevent vibrations and noise generation and to have sufficient stability. The space around the unit is adequate for • maintenance and servicing (see “7.2 Service space”). The space around the unit allows for sufficient air circulation. There is no danger of fire due to leakage of • flammable gas. 1 Main PCB. The equipment is not intended for use in a potentially • 2 Terminal block X1M: main terminal block which allows explosive atmosphere. -
Page 14: Weather Related Precautions
6.3 Selecting a location in cold climates (mm) NOTICE When operating the unit in a low outdoor • ambient temperature, be sure to follow the instructions described below. The following images are for reference only. • For more details contact your local dealer. 1 Personal computer or radio 2 Fuse To minimize exposure to wind and snow, install a baffle plate 3 Earth leakage protector on the air side of the outdoor unit (see “7.2 Service space”). 4 User interface 5 Indoor unit 6 Outdoor unit In places with weak reception, keep distances of 3 m or more to avoid electromagnetic disturbance of other equipment and use conduit tubes for power and transmission lines. The refrigerant R410A itself is non-toxic, • non-flammable and is safe. If the refrigerant should leak however, its concentration may exceed the allowable limit depending on room size. Due to this, it 1 Baffle plate could be necessary to take measures against leakage... -
Page 15: Dimensions And Service Space
Dimensions and service space RXYQ22-24BRY16 type 7.1 Dimensions of outdoor unit RXYQ6-12BRY16 type Unit: mm RXYQ6-12BRY16 RXYQ14-20BRY16 RXYQ22-24BRY16 Foundation bolt holes 15 × 22.5 oblong holes×4 Pitch of foundation bolt holes 1076 1586 Pitch of foundation bolt holes RXYQ14-20BRY16 type 722~737 1591 1240 1750 1660 01_EN_3P748230-1.indd 13 23/01/2023 17:24:10... -
Page 16: Service Space
7.2 Service space <Front side> <Suction side> The space around the unit is adequate for servicing and the minimum space for air inlet and air outlet is Service Service available (refer to the figure below and choose one of space space or more or more the possibilities). 1500 mm 500 mm In case of an installation site where sides A+B+C+D • have obstacles, the wall heights of sides A+C have no impact on service space dimensions. Refer to the foregoing figure for impact of wall heights of sides B+D on service space dimensions. In case of an installation site where only the sides A+B • have obstacles, the wall heights have no influence on any indicated service space dimensions. INFORMATION Please secure enough space in front of the • outdoor unit for on-site installation of the refrigerant piping. The service space dimensions in above figure • are based on cooling operation at 35°C ambient temperature (standard conditions). If the design outdoor temperature exceeds •... -
Page 17: Inspecting And Handling The Unit
Inspecting and handling the unit 8.1 Inspection At delivery, the unit must be checked and any damage must be reported immediately to the carrier’s claims agent. 8.2 Unpacking CAUTION To avoid injury, do not touch the air inlet or aluminum fins of the unit. WARNING Tear apart and throw away plastic packaging bags so that children will not play with them. Children playing with plastic bags face danger of death by suffocation. Remove the unit from its packing material. Take care not to damage the unit when unpacking. Remove the 4 bolts fixing the unit to its pallet. Make sure that all accessories as mentioned in 4.1 Accessories supplied with this unit are available in the unit. 8.3 Handling When handling the unit, take into account the following: Fragile, handle the unit with care. Keep the unit upright in order to avoid compressor damage. a Packaging material Choose on beforehand the path along which the b Belt sling unit is to be brought in. -
Page 18: Installing The Unit
Dimensions for previously figure CAUTION Outer dimension of the ≥765 mm For RXYQ22-24BRY16, lift the unit with caution base • as the unit’s centre of gravity is slightly to the RXYQ6-12 type: 930 mm Longitudinal foundation right side of centre when seen from the front. RXYQ14-20 type: 1240 mm dimension RXYQ22-24 type: 1750 mm A forklift can only be used for transport as long •... -
Page 19: Selection Of Piping Size
9.2 Selection of piping size 9.2.3 Piping between refrigerant branch kit and BP unit: F Determine the proper size referring to following tables Pipe size for direct connection on BP unit must be and reference figure (only for indication). based on the total capacity of the connected indoor units (only in case Mini-split indoor units are connected). Piping outer diameter size (mm) Total capacity index to connected indoor units. Liquid pipe Gas pipe 20~62 Ø6.4 Ø12.7 63~149 Ø15.9 150~208 Ø9.5... -
Page 20: Selection Of Refrigerant Branch Kits
Concerning REFNET headers, choose from the • The pipe thickness of the refrigerant piping shall • following table in accordance with the total capacity comply with the applicable legislation. of all the indoor units connected below the REFNET The minimal pipe thickness for R410A piping must header. be in accordance with the table below. Total indoor unit Refrigerant branch kit name (Header) Piping outer diameter size capacity index Minimal thickness t (mm) (mm) x<200 KHRP26M22H or KHRP26M33H Ø6.4 200≤x<290 KHRP26M33H Ø9.5 0.80 290≤x<640 KHRP26M72H Ø12.7 x≥640 KHRP26M73H + KHRP26M73HP Ø15.9 0.99... -
Page 21: System Piping (Length) Limitations
9.4 System piping (length) limitations 9.4.1 Piping length restrictions Make sure to perform the piping installation within the range of the maximum allowable pipe length, allowable height difference and allowable length after branching as indicated below. 3 patterns will be discussed, including VRV indoor units combined with Mini-split indoor units. Definitions Actual piping length: pipe length between outdoor*1 and indoor units. • Equivalent piping length: pipe length between outdoor*1 and indoor units (Assume equivalent piping length of • REFNET joint = 0.5 m and REFNET header = 1 m (for calculation purposes of equivalent piping length, not for refrigerant charge calculations).). Total piping length: total piping length from the outdoor*1 to all indoor units. • *1 I n case of multi outdoor system, re-read to the first outdoor unit multi connection piping kit as seen from the indoor unit. 9.4.2 System only containing VRV indoor units System setup Single outdoor Multi outdoor Branch with REFNET joint Example 1.1 Example 2.1 Example 1.2.1... - Page 22 Example 3: with standard multi layout Maximum allowable length Between outdoor and indoor units • Actual piping length 165 m Example 1.1 Example 1.2.1 Example 1.3 unit 8: a+b+c+d+e+f+g+p ≤ 165 m unit 6: a+b+h ≤ 165 m unit 8: a+i ≤ 165 m unit 8: a+i+k ≤ 165 m Example 2.1 unit 8: a+b+c+d+e+f+g+p ≤ 165 m Equivalent length 190 m — — — Total piping length 1000 m Example 1.1 Example 1.2.1 Example 1.3 a+b+c+d+e+f+g+h+i+j+k+l+m+n+p ≤ 1000 m...
- Page 23 Maximum allowable height difference ≤ 50 m (if outdoor is located below indoor units, ≤ 40 m) ≤ 30 m ≤ 5 m (a) It can be extended up to 110 m without an additional option kit by meeting the following conditions. In case the outdoor location is higher than the indoor unit: extension is possible up till 110 m and following 2 • conditions must be fulfilled: 1. Increasing the size of liquid piping (see table Size up for equivalent length for outdoor-indoor units over (90 m)). 2. Dedicated setting on outdoor unit is required (see [2-49] = on page 51). * I f the height difference exceeds 90 m, the ambient temperature range of outdoor unit in cooling mode must be 49ºC or less and the minimum connection capacity of the indoor unit shall be 7.1 kW or more. In case the outdoor location is lower than the indoor unit: extension is possible up till 110 m and following 1 • condition must be fulfilled: 1. Increasing the size of liquid piping (see table Size up for equivalent length for outdoor-indoor units over (90 m)). 01_EN_3P748230-1.indd 21 23/01/2023 17:24:15...
- Page 24 Maximum allowable length after branch NOTICE The pipe length from the first refrigerant branch kit to the indoor unit ≤ 40 m In case of size up, difference type of joint is • required to connect indoor unit and field piping. Example 1.1: unit 8: b+c+d+e+f+g+p ≤ 40 m In case of size up is exceed above pipe size, • Example 1.2.1: unit 6: b+h ≤ 40 m, unit 8: i+k ≤ 40 m above pipe is required to size up. Example 1.2.2: unit 6: g ≤ 40 m, unit 8: h+j ≤ 40 m Not allowable if can not size up. • Example 1.3: unit 8: i ≤ 40 m Please note that a reducer may be required • However, extension is possible if all below conditions are depending on the combination when the met. In this case limitation can be extended up to 90 m. piping size is increased by one size. 9.4.3 System containing VRV indoor units and Mini-split indoor units (Q140) System setup 1 Outdoor units...
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Page 25: Multi System Piping Installation
Maximum allowable height difference Prohibited patterns: change to pattern 1 or 2. ≤ 50 m (40 m) (if outdoor is located below indoor units) ≤ 15 m ≤ 40 m ≤ 15 m ≤ 5 m 1 To indoor unit 2 Piping between outdoor units Maximum allowable length after branch Not allowed The pipe length from the first refrigerant branch kit to Allowed the indoor unit ≤ 50 m. Example: b+g+l ≤ 50 m To avoid the risk of oil retention to the outmost outdoor • If the piping length between the first branch and BP unit unit, always connect the stop valve and the piping or VRV indoor unit is over 20 m, it is necessary to between outdoor units as shown in the 4 correct increase the gas and liquid piping size between the first possibilities of the figure below. branch and BP unit or VRV indoor unit. If the piping diameter of the sized up piping exceeds the diameter of the piping before the first branch kit, than the latter also requires a liquid piping and gas piping size up. 9.5 Multi system piping installation Prohibited patterns: change to pattern 1 or 2. -
Page 26: Precautions On Refrigerant Piping
If ≤2 m Block all gaps in the holes for passing out piping and wiring using sealing material (field supply) (the capacity of the unit will drop and small animals may enter the machine). Example: passing piping out through the front. 1 Close the areas marked with “ ”. (When the piping is routed from the ≤2 m front panel.) 1 To indoor unit 2 Piping between outdoor units Not allowed Allowed Use clean pipes only. • If >2 m Hold the pipe end downwards when removing burrs. • Cover the pipe end when inserting it through a wall • so that no dust or dirt enters the pipe. NOTICE After all the piping has been connected, make ≤2 m ≤2 m sure there is no gas leak. Use nitrogen to >2 m perform a gas leak detection. -
Page 27: Connecting The Refrigerant Piping
10.2 Connecting the refrigerant piping 10.2.2 Remove the pinched pipes WARNING NOTICE Never remove the pinched piping by brazing. Installation shall be done by an installer, Any gas or oil remaining inside the stop valve the choice of materials and installation shall may blow off the pinched piping. comply with the applicable legislation. Failure to observe the instructions in procedure below properly may result in property damage or personal injury, which may be serious depending 10.2.1 Decide front or side (bottom) connection on the circumstances. Installation of refrigerant piping is possible as front connection or side connection (when taken out from Use the following procedure to remove the pinched the bottom) as shown in the figure below. piping: 1 Left-side connection 2 Front connection Remove the valve cover and make sure that the 3 Right-side connection stop valves are fully closed. - Page 28 Side (bottom) connection WARNING Punching a hole of the through hole cover and lead When brazing at the proximity of the stop valves, out the piping from the bottom frame. be sure to protect the stop valves mounting plate with a protective plate to prevent from contacting with the burner flame. Refrigerant auto Gas pipe stop valve charge valve Liquid pipe stop valve Stop valves mounting plate Protective plate 1 Liquid pipe stop valve 2 Gas pipe stop valve 3 Field connection piping kit (accessories) * 4 The hole of the through hole cover 5 Liquid side piping (field supply) 6 Gas side piping (field supply) Cut off the lower part of the pinched piping (small) with an appropriate tool such as pipe cutters.
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Page 29: Guidelines For Handling Stop Valve
10.2.4 Branching the refrigerant piping Installation of the multi connection piping kit. • For installation of the refrigerant branching kit, • refer to the installation manual delivered with the kit. REFNET joint Mount the REFNET joint so that it branches either horizontally (within ±30°) or vertically. Horizontal surface Horizontal Vertical REFNET header Mount the REFNET header so that it branches horizontally. Horizontal surface Install the joints horizontally, so that the caution label (1) attached to the joint comes to the top. - Do not tilt the joint more than 15° (see view A). - Do not install the joint vertically (see view B). Make sure that the total length of the piping Gas side header connected to the joint is absolute straight for Mount the REFNET header so that the branch pipes more than 500 mm. are on the underside and branch horizontally. Only if a straight field pipe length. - Gas field pipe length > 120 mm. Horizontal surface - Liquid field pipe length > 420 mm. -
Page 30: Leak Test And Vacuum Drying
10.3.2 How to use the stop valve 10.3.4 Tightening torques Opening the stop valve The size of the stop valve on each model and the tightening torque for each size are listed in the table Remove the stop valve cover. below. Insert a hexagon wrench into the stop valve and [Stop valve size (mm)] turn the stop valve counterclockwise. Which 10HP 12HP 14HP 16HP 18HP 20HP 22HP 24HP When the stop valve cannot be turned any further, stop valve type type type type type type type... - Page 31 10.4.1 General guidelines When all piping work is complete, it is necessary to: Check for any leakages in the refrigerant piping by • Use a 2-stage vacuum pump with a non-return valve • use nitrogen gas. which can evacuate to a gauge pressure of –100.7 kPa (5 Torr absolute, –755 mm Hg). Perform vacuum drying to remove all moisture, air or • nitrogen in the refrigerant piping. Connect the vacuum pump to the service port of all • 3 stop valves to increase efficiency If there is a possibility of moisture being present in the (see “10.4.4 Setup”). refrigerant piping (for example, rainwater may have entered the piping), first carry out the vacuum drying NOTICE procedure below until all moisture has been removed. Do not purge the air with refrigerants. All piping inside the unit has been factory tested for leaks. Use a vacuum pump to evacuate the installation. Only field installed refrigerant piping needs to be checked. Therefore, make sure that all the stop valves are firmly closed before performing leak test or vacuum 10.4.2 Installation of refrigerant piping, leak test, drying. vacuuming before electrical installation is done (regular installation method) 10.4.4 Setup When all piping work is complete, it is necessary to:...
- Page 32 NOTICE NOTICE The connections to the indoor units and all Make sure to use a recommended bubble test indoor units should also be leak and vacuum solution from your wholesaler. Do not use soap tested. Keep any possible (field supplied) field water, which may cause cracking of flare nuts piping valves open as well. (soap water may contain salt, which absorbs moisture that will freeze when the piping gets Refer to the indoor unit installation manual for more cold), and/or lead to corrosion of flared joints details. (soap water may contain ammonia which causes Leak test and vacuum drying should be done a corrosive effect between the brass flare nut before the power supply is set to the unit. If not, see and the copper flare. also the flow chart earlier described in this chapter (see “10.4 Leak test and vacuum drying”). 10.4.6 Vacuum drying NOTICE To remove all moisture from the system, proceed as follows: The leak test and vacuum drying should be done using the service ports of gas pipe and Evacuate the system for at least 2 hours to a target liquid pipe stop valve. See the [R410A] vacuum of –100.7 kPa. Indication Label attached to the front panel of Check that, with the vacuum pump turned off, the outdoor unit for details on the location of the the target vacuum is maintained for at least 1 hour.
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Page 33: Pipe Insulation
11. Pipe insulation WARNING After finishing the leak test and vacuum drying, the A main switch or other means for disconnection, • piping must be insulated. Take into account the following having a contact separation in all poles, must be points: incorporated in the fixed wiring in accordance with the applicable legislation. Make sure to insulate the connection piping and • refrigerant branch kits entirely. Use only copper wires. • Be sure to insulate the liquid piping and gas piping All field wiring must be carried out in • • (for all units). accordance with the wiring diagram supplied with the unit and the instructions given below. Use heat resistant polyethylene foam which can • withstand a temperature of 70°C for liquid piping and Never squeeze bundled cables and be sure • polyethylene foam which can withstand a that it does not come in contact with the temperature of 120ºC for gas piping (for all units). non-insulated piping and sharp edges. Be sure no external pressure is applied to the Reinforce the insulation on the refrigerant piping • terminal connections. according to the installation environment. Power supply wires must be attached securely. • Ambient Humidity Minimum thickness... -
Page 34: System Overview Of Field Wiring
( 60+60+60 ) (*e) (*e) information mentioned in the table below. (*e) Value for independent unit. Minimum Phase and Recommended Transmission line section: 0.75~1.25 mm Model Voltage circuit Wire size frequency fuses Note: Insulation of supply wiring must not lighter than 60245 IEC 57. ampere RXYQ6BRY16 3N~,50Hz/60Hz 380-415V/380V 16.1 RXYQ8BRY16 3N~,50Hz/60Hz 380-415V/380V 16.1 NOTICE RXYQ10BRY16 3N~,50Hz/60Hz 380-415V/380V 17.0 When using residual current operated circuit RXYQ12BRY16 3N~,50Hz/60Hz 380-415V/380V 21.5 breakers, be sure to use a high-speed type RXYQ14BRY16 200 mA rated residual operating current. -
Page 35: How To Remove And Install The Electrical Component Box Cover
12.4 How to remove and install the 12.5 Routing electrical component box cover It is important to keep the power supply and the transmission wiring separated from each other. For the installation of wiring (transmission wires and In order to avoid any electrical interference the distance power supply wires) can be done by removing the lower between both wiring should always be at least 50 mm. cover. Removing method 12.5.1 Transmission wiring routing Remove the 5 screws fixing the lower cover. The transmission wiring outside the unit should be wrapped and routed together with the field piping. Remove the lower cover towards you. Field piping can be routed from front or bottom of the Inspection door unit (going left or right). See “10.2 Connecting the Upper cover refrigerant piping”. Rules for transmission wiring routing Be sure to follow the limits below. If the unit-to-unit •... - Page 36 Referring to the figure below, connect the • NOTICE transmission wiring between outdoor unit and indoor unit, outdoor unit and outdoor unit of other system, Be sure to keep the power line and transmission • outdoor unit and outdoor unit of same system. line apart from each other. Transmission wiring and power supply wiring may cross, but may not In order to reduce the risk of PCB failure due to • run parallel. contamination, the A1P has been sealed off and a relay terminal block X2M will be used for wire Transmission wiring and power supply wiring • may not touch internal piping (except INV PCB connection. X2M is equivalent of A1P connection cooling pipe) in order to avoid wire damage below table. due to high temperature piping. TO IN/D UNIT TO OUT/D UNIT TO MULTI UNIT Firmly close the lid and arrange the electrical • wires so as to prevent the lid or other parts from coming loose. When using a shielded wire, be sure to For the below wiring, always use vinyl cords with 0.75 • connect ground only one end of the shielded to 1.25 mm shielded or cables (2-core wires).
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Page 37: Connection Of Wiring To Terminals
Referring to the figure below, secure and wire the Power line: Open a slit hole and connect it using a • • power and transmission wiring using the included conduit. clamp. Choose an appropriate slit hole for conduit size suitable for the power and ground line to be used. Wire so that the ground wiring does not come into • contact with the compressor lead wiring. If they Transmission line: Connect it using a conduit in the • touch, this may have an adverse effect on other slit hole. devices. When passing electrical wiring through the slit holes, • The transmission wiring must be at least 50 mm protect the wiring with a conduit or bushings, making • away from the power wiring. sure not to damage the wiring. Route wiring so that it does not come into contact • NOTICE with the high-temperature pipes (indicated by the hatching in the figure below). After passing the wiring, be sure to fill any • gap (indicated by the hatching in the figure below) with sealing material (field supply) to prevent small animals and dust from entering. Transmission line Power line After wiring work is completed, check to make • sure there are no loose connections among the electrical parts in the electrical components box. - Page 38 Attach the rubber sleeve (detachable portion). INFORMATION Attach by inserting the electrical component box In case of the installed unit is RXYQ~BRY16, edge into the slit of the rubber sleeve. and to cope CISPR 14-1 standard accordance with each country legislation, it must be connected the transmission wiring of X0 and X1 in accordance with conditions below. Electrical component The transmission wiring must be used a • box edge shielded wire. Thread the transmission wiring, through the • ferrite core (accessories), and tie the wiring Fix with a clamp. and the ferrite core together with the clamp (accessories). Clamp Outside the units, the transmission wiring must be • (accessories) finished simultaneously with the local refrigerant piping, and wound with tape (field supply) as shown in the figure below. 1 Gas pipe 2 Liquid pipe 3 Insulation material Ferrite core Transmission wires 4 Finishing tape (accessories) (field supply) 5 Transmission wiring Screw...
- Page 39 Power supply wiring How to pass wire through the rubber sleeve: Be sure to connect the power supply wiring to the • Remove the rubber sleeve (detachable portion). power supply terminal block, pass each phase wire through separate rubber sleeves and fix with the included clamps. Fix the ground wiring with the included clamp by • taking care not to apply external pressure on the terminal area. Pass the power supply wiring and ground wiring • through their respective rubber sleeve and fix with the included clamps to prevent water from entering the electrical components box. Place the wire. Attach the rubber sleeve (detachable portion). 1 Power supply (See 12.3 Requirements) Attach by inserting the electrical components box 2 Fuse edge into the slit of the rubber sleeve. 3 Earth wire 4 Electrical components box 5 Insulation sleeves 6 Power supply terminal block 7 Ground terminal 8 Clamp (accessories) 9 Rubber sleeve Electrical components...
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Page 40: Making Field Settings
13. Making field settings CAUTION Be sure to use crimp-style terminal with To continue the configuration of the VRV heat pump • insulating sleeves for connections. system, it is required to give some input to the printed circuit board of the unit. This chapter will describe how (See the figure below.) manual input is possible by operating the push buttons/ Crimp-style terminal Power wire DIP switches on the printed circuit board and reading the feedback from the 7-segment displays. The contents of the actual settings is discussed and Insulating sleeve explained in 15. Monitoring function and field For wiring, use the designated power wire and • settings. connect firmly, then secure to prevent outside pressure being exerted on the terminal board. 13.1 Accessing the push buttons on the Use an appropriate screwdriver for tightening • printed circuit board the terminal screws. -
Page 41: Operating The Push Buttons And Dip Switches On The Printed Circuit Board
Functions of the push button switches which are Location of the 7-segment displays, buttons and DIP located on the outdoor PCB (A1P) switches: Turn on the power supply of the outdoor unit and all indoor units. When the communication between indoor units and outdoor unit(s) is established and normal, the 7-segment indication state will be as below (default situation when BS1 BS2 BS3 DS1 DS2 X27A shipped from factory). When turning on the power supply: flashing as indicated. BS1 MODE for changing the set mode First checks on power supply are executed (1~2 min). BS2 SET for field setting BS3 RETURN for field setting DS1, DS2 DIP switches 1 7-segment displays (3x) When no trouble occurs: lighted as indicated (8~10 min). - Page 42 Mode 1 Examples: Mode 1 is used to set basic settings and to monitor the Checking the content of parameter [2-18] (to define the status of the unit. high static pressure setting of the outdoor unit’s fan). Changing and access the setting in mode 1: • [A-B]=C in this case defined as: A=2; B=18; C=the value Once mode 1 is selected (push BS1 1 time), you can we want to know/change select the wanted setting. It is done by pushing BS2. Make sure the 7-segment indication is as during • Accessing the selected setting’s value is done by normal operation (default situation when shipped pushing BS3 1 time. from factory). To quit and return to the initial status, press BS1. • Push BS1 for over 5 seconds; result 7-segment display: • Examples: Checking the content of parameter [1-10] (to know how many indoor units are connected to the system). Result: mode 2 is accessed. Push BS2 18 times; result 7-segment display: [A-B]=C in this case defined as: A=1; B=10; C=the value • we want to know/monitor: Make sure the 7-segment indication is as during • normal operation (default situation when shipped Result: mode 2 setting 18 is addressed. from factory). Push BS3 1 time; the value which is returned • Push BS1 1 time; result 7-segment display: • (depending on the actual field situation), is the status of the setting. In the case of [2-18], default value is “0”, which means the function is not active.
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Page 43: Charging Refrigerant
14. Charging refrigerant [A] parameter Total indoor unit capacity (kg) (CR)* 10~12 14~16 50% ≤ CR ≤ 105% 14.1 Precautions 105% < CR ≤ 130% Piping length ≤ 30 m 130% < CR ≤ 160% NOTICE 160% < CR ≤ 200% 50% ≤ CR ≤ 70% Refrigerant cannot be charged until field • 70% < CR ≤ 85% wiring has been completed. 85% < CR ≤ 105% Piping length Refrigerant may only be charged after • > 30 m 105% < CR ≤ 130% performing the leak test and the vacuum drying. 130% < CR ≤ 160% When charging a system, care shall be taken • 160% < CR ≤ 200% that its maximum permissible charge is never exceeded, in view of the danger of liquid [A] parameter Total indoor unit... -
Page 44: Method For Adding Refrigerant
14.3 Method for adding refrigerant 14.3.1 Flow chart Location of valves for A, B Location of valves for C Step 1 • Calculate additional refrigerant charge amount: R (kg) (see “14.2 Calculating the additional refrigerant charge”). Step 2 • Select additional refrigerant charge function A/B (Automatic refrigerant charge) C (Manual refrigerant charge) - Page 45 Be sure to charge the specified amount of refrigerant in NOTICE liquid state. Since this refrigerant is a mixed refrigerant, adding it in If the power of some units is turned off, • gas form may cause the refrigerant composition to the charging procedure cannot be finished change, preventing normal operation. properly. Before charging, check whether the refrigerant • In case of a multiple outdoor system, turn on • cylinder is equipped with a siphon tube or not. the power of all outdoor units. Make sure to turn ON the power 6 hours If a siphon tube is If a siphon tube is not • equipped, charge equipped, charge the before starting the operation. This is the liquid refrigerant liquid refrigerant with necessary to warm the crankcase by the with the cylinder in the cylinder in upside- electric heater. upright position. down position. If operation is performed within 12 minutes • Be sure to use tools exclusively for R410A to ensure • after the indoor and outdoor units are turned required pressure resistance and to prevent foreign on, the compressor will not operate before the materials from mixing into the system. communication is established in a correct way between outdoor unit(s) and indoor units.
- Page 46 14.3.2 Charging method Location of valves As explained during vacuum drying method, once vacuum drying is finished, additional refrigerant charging can start. There are three methods to charge additional refrigerant. Use the selected method following the described procedure below. Adding refrigerant by using the automatic refrigerant • charging function with test run in a same time. Adding refrigerant by using the automatic refrigerant • 1 Gauge manifold charging function without test run. 2 Dry Nitrogen Adding refrigerant by using the manual refrigerant • 3 Measuring instrument charging function. 4 Refrigerant R410A tank (siphon system) 5 Vacuum pump A flow chart is available which gives an overview of the 6 Charge hose possibilities and actions to be taken (see “14.3.1 Flow 7 Gas stop valve chart”). 8 Liquid stop valve To speed up the process of pre-charging refrigerant for 9 Refrigerant automatic charge valve (needle valve) large systems, it is recommenced to first charge a...
- Page 47 NOTICE INFORMATION The unit’s internal piping is already factory When a malfunction is detected during the • • charged with refrigerant, so be careful when procedure (e.g, in case of closed stop valve), connecting the charge hose. a malfunction code will be displayed. In that case, refer to “16.2 Malfunction code list” After adding the refrigerant, do not forget to • and solve the malfunction accordingly. close the lid of the automatic refrigerant Resetting the malfunction can be done by charge valve. The tightening torque for the lid pushing BS2 more than 5 seconds. is 10.7 to 14.7 N·m. The procedure can be restarted from 6A). In order to ensure uniform refrigerant • Aborting the automatic refrigerant charge is • distribution, it may take the compressor possible by pushing BS1. The unit will stop ±10 minutes to start up after the unit has and return to idle condition. started operation. This is not a malfunction. Adding refrigerant by using the automatic 5A A dding refrigerant by using the automatic charging function. charging with test run function. INFORMATION INFORMATION The automatic refrigerant charging has limits as The automatic refrigerant charging has limits as...
- Page 48 Location of valves INFORMATION When the charging amount is little, the “pe” code may not be displayed, but instead the “p9” code will be displayed immediately. When the required (calculated) additional refrigerant amount is already charged before “pe” or “p9” indication appears, close valve C and wait till “p9” is displayed. 1 Gauge manifold INFORMATION 2 Dry Nitrogen 3 Measuring instrument When a malfunction is detected during the • 4 Refrigerant R410A tank (siphon system) procedure (e.g, in case of closed stop valve), 5 Vacuum pump a malfunction code will be displayed. In that 6 Charge hose 7 Gas stop valve case, refer to “16.2 Malfunction code list” 8 Liquid stop valve and solve the malfunction accordingly. 9 Valve Resetting the malfunction can be done by 10 Field piping pushing BS3. The procedure can be restarted 11 Gas flow...
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Page 49: Monitoring Function And Field Settings
NOTICE NOTICE Make sure to open all stop valves after (pre-) The unit’s internal piping is already factory • charging the refrigerant. charged with refrigerant, so be careful when connecting the charge hose. Operating with the stop valves closed will After adding the refrigerant, do not forget to damage the compressor. • close the lid of the stop valve service port. The tightening torque for the lid is 10.7 to 14.7 N·m. 15. Monitoring function and field In order to ensure uniform refrigerant • settings distribution, it may take the compressor ±10 minutes to start up after the unit has The operation of the outdoor unit can further be defined started operation. This is not a malfunction. by changing some field settings. Next to making field settings it is also possible to confirm the current 7C T he remaining additional refrigerant charge can operation parameters of the unit. The setting can also be charged by operating the outdoor unit by be performed via the PC configuration software. means of the manual refrigerant charge operation Below relevant Monitoring mode (mode 1) and Field mode: setting mode (mode 2) settings are explained in detail. Turn on the power of the indoor units and •... - Page 50 [1-1]= shows the status of low noise operation. [1-10]= shows the total number of connected indoor units. 1=unit is currently operating under low • noise restrictions It can be convenient to check if the total 0=unit is currently not operating under low number of indoor units which are installed • noise restrictions match the total number of indoor units which are recognized by the system. In case there Low noise operation reduces the sound is a mismatch, it is advised to check the generated by the unit compared to nominal communication wiring path between outdoor operating conditions. and indoor units (F1/F2 communication line). Low noise operation can be set in mode 2. See “12.5.1 Transmission wiring route”. There are two methods to activate low noise [1-13]= shows the total number of connected outdoor operation of the outdoor unit system. units (in case of multiple outdoor system). The first method is to enable an automatic low It can be convenient to check if the total noise operation during night time by field number of outdoor units which are installed setting. The unit will operate at the selected low matches the total number of outdoor units noise level during the selected time frames. which are recognized by the system. In case there is a mismatch, it is advised to check the The second method is to enable low noise communication wiring path between outdoor operation based on an external input. For this...
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Page 51: Mode 2
15.2 Mode 2 [2-8]= target temperature T fix control. Default value=2. Mode 2 is used to change the field settings of the system. Consulting the current field setting value and changing Value [2-8] target the current field setting value is possible. Auto 6°C (default) In general, normal operation can be resumed without 7°C special intervention after changing field settings. 8°C Some field settings are used for special operation 9°C (e.g., 1 time operation, recovery/vacuuming setting, 10°C manual adding refrigerant setting, etc.). In such a case, 11°C it is required to abort the special operation before normal operation can restart. It will be indicated in below Change [2-8]=0, 2~7 in function of required explanations. operation method during cooling. [2-0]= Cool/Heat selection setting This unit can operate with “T fix control” and “Eco mode”. Cool/Heat selection setting is used in case Eco mode means “VRT” or “VRT smart” control. the optional Cool/Heat selector (KRC19-26A) See “15.3 Energy saving and optimum is used. Depending on the outdoor unit setup operation”... - Page 52 [2-12]= Enable the low noise function and/or power [2-22]= Automatic low noise setting and level during consumption limitation via external control night time. adapter (DTA104A62). By changing this setting, you can activate the If the system needs to be running under low automatic low noise operation function of the noise operation or under power consumption unit and define the level of operation. limitation conditions when an external signal Depending on the chosen level, the noise level is sent to the unit, this setting should be will be lowered (3:Level3<2:Level2<1:Level1). changed. This setting will only be effective The start and stop moments for this function when the optional external control adapter are defined under setting [2-26] and [2-27]. (DTA104A62) is installed. Default value=0. Default value=0. To activate function change [2-22]=1, 2 or 3. To activate this function change [2-12]=1. [2-23]= Eco mode invalid setting. [2-18]= Fan high static pressure setting. Eco mode becomes invalid by this setting In order to increase the static pressure the When this configuration is set, it is not outdoor unit fan is delivering, this setting possible to turn Eco mode ON/OFF using should be activated. For details about this external control adapter or other setting. setting, see technical specifications. Value [2-23] Eco mode invalid setting Default value=0.
- Page 53 [2-27]= Low noise operation stop time. [2-32]= Forced, all time, power consumption limitation operation (no external control adapter is required Default value=3. to perform power consumption limitation). Stop time automatic low If the system always needs to be running Value [2-27] noise operation under power consumption limitation (approximately) conditions, this setting activates and defines 6:00 the level power consumption limitation that 7:00 will be applied continuously. 8:00 (default) The level is according to the table. This setting is used in conjunction with Default value=0 (OFF). setting [2-22]. Value [2-32] Restriction reference [2-30]= Power consumption limitation level (step 1) Function not active (default) via the external control adapter (DTA104A62). Follows [2-30] setting If the system needs to be running under Follows [2-31] setting power consumption limitation conditions when an external signal is sent to the unit, this Change [2-32]=0, 1 or 2 in function of setting defines the level power consumption...
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Page 54: Energy Saving And Optimum Operation
Value [2-81] Cooling comfort setting Outdoor fan speed would be increased for Mild (default) assisting to discharge snow on outdoor fan Quick when outdoor fan is stop or low speed. Powerful [2-90]= Indoor unit without power supply. Change [2-81]=0, 1, 2 or 3 in function of There are condition for this setting. required limitation. Ask Daikin sales company when this setting is necessary. This setting is used in conjunction with setting [2-8]. For more information and advice [2-96]= Eco level setting for Eco mode by main PCB about the impact of these settings, Default value=0. see “15.3 Energy saving and optimum operation”. Value [2-96] Eco level setting [2-82]= Heating comfort setting for VRT and VRT – (default) smart control. - Page 55 15.3.1 Four main operation methods are available: To activate this setting under cooling operation: • change field setting [2-8] to the appropriate value, Basic • matching the requirements of the pre-designed The refrigerant temperature is fixed independent system containing a high sensible solution. from the situation. It corresponds to the standard operation which is known and can be expected from/ Value [2-8] target under previous VRV systems: 7°C To activate this operation method under cooling 8°C • operation: 9°C Change field setting [2-23]=1 or disconnect the 10°C circuit between terminal on external control 11°C adapter with [2-11]≠0. To activate this setting under heating operation: • To activate this operation method under heating • change field setting [2-9] to the appropriate value, operation: matching the requirements of the pre-designed Change field setting [2-23]=2 or disconnect the system containing a high sensible solution.
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Page 56: Test Run
16. Test run Quick • Overshoot (during heating operation) or undershoot (during cooling operation) is allowed compared to the 16.1 Test operation requested refrigerant temperature, in order to achieve the required room temperature very fast. After installation and once the field settings are defined, The overshoot or undershoot is allowed from the start the installer is obliged to verify correct operation. up moment. Therefore a test run must be performed according to In case of cooling operation the evaporating the procedures described below. temperature is allowed to go down to 6°C on temporary base depending on the situation. 16.1.1 Precautions before starting test operation In case of heating operation the condense temperature After the installation of the unit, first check the following is allowed to go up to 46°C on temporary base items. Once all below checks are fulfilled, the unit must depending on the situation. be closed, only then can the unit be powered up. When the request from the indoor units becomes more moderate, the system will eventually go to the steady Installation state condition which is defined by the operation Check that the unit is properly installed, to avoid method above. abnormal noises and vibrations when starting up To achieve the quick comfort setting under cooling •... - Page 57 11 Refrigerant leak DANGER: DO NOT TOUCH PIPING Check inside of the unit on refrigerant leakage. AND INTERNAL PARTS. If there is a refrigerant leak, try to repair the leak. If the repair is unsuccessful, call your local dealer. See “2. General safety precautions”. Do not touch any refrigerant which has leaked out from refrigerant piping connections. This may result DANGER: ELECTRICAL SHOCK in frostbite. See “2. General safety precautions”. 12 Oil leak Check the compressor for oil leakage. If there is an oil leak, try to repair the leak. If the repairing is INFORMATION unsuccessful, call your local dealer. Note that during the first running period of the 13 Air inlet/outlet unit, required power input may be higher. Check that the air inlet and outlet of the unit is not This phenomenon originates from the obstructed by paper sheets, cardboard, or any compressor that requires a 50 hour run elapse other material.
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Page 58: Malfunction Code List
16.1.3 Correcting after abnormal completion of the NOTICE test operation Be sure to turn on the power 6 hours before The test operation is only completed if there is no operation in order to have power running to the malfunction code displayed on the user interface or crankcase heater and to protect the compressor. outdoor unit 7-segment display. In case of a displayed malfunction code, perform correcting actions as Make sure the default (idle) situation is existing; explained in the malfunction code table. Carry out the see “13.2 Operating the push buttons and DIP test operation again and confirm that the abnormality is switches on the printed circuit board”. properly corrected. Push BS2 for 5 seconds or more. The unit will start test operation. INFORMATION The test operation is automatically carried out, • Refer to the installation manual of the indoor unit the outdoor unit display will indicate “t01”... - Page 59 Below table gives an overview of the malfunction codes which may appear. Malfunction code Sub code Contents Solution Main code Master Sub 1 Sub 2 High pressure switch is activated. Check stop valves situation or abnormalities in • • (S1PH)-A1P (X2A) (field) piping or airflow over air cooled coil. High pressure switch connectors are detached. Securely connect each connector. Refer to the • • -A1P (X2A, X3A, X4A) wiring diagram attached to the back of the electrical component box cover. Stop valves are closed. Open stop valves. • • Refrigerant overcharge. Check refrigerant amount and recharge. • • Liquid pipe stop valve is closed. Open liquid pipe stop valve. High pressure switch is activated. Check stop valves situation or abnormalities in • •...
- Page 60 Malfunction code Sub code Contents Solution Main code Master Sub 1 Sub 2 Temperature sensor malfunction (R5T)-A1P(X35A) Check connection on printed circuit board or actuator. Temperature sensor malfunction (R3T)-A1P(X35A) Check connection on printed circuit board or actuator. Temperature sensor malfunction (R11T)-A1P(X30A) Check connection on printed circuit board or actuator. Temperature sensor malfunction (R12T)-A1P(X30A) Check connection on printed circuit board or actuator. Temperature sensor malfunction (R10T)-A1P(X30A) Check connection on printed circuit board or actuator. Temperature sensor malfunction (R8T)-A1P(X29A) Check connection on printed circuit board or actuator. Temperature sensor malfunction (R2T)-A1P(X35A) Check connection on printed circuit board or actuator. Temperature sensor malfunction (R9T)-A1P(X30A) Check connection on printed circuit board or actuator. Temperature sensor malfunction (R6T)-A1P(X29A) Check connection on printed circuit board or actuator. Temperature sensor malfunction (R4T)-A1P(X35A) Check connection on printed circuit board or actuator. High pressure sensor malfunction: open circuit Check connection on printed circuit board or actuator. (S1NPH)-A1P (X32A) High pressure sensor malfunction: short circuit Check connection on printed circuit board or actuator. (S1NPH)-A1P (X32A) Low pressure sensor malfunction: open circuit Check connection on printed circuit board or actuator.
- Page 61 Malfunction code Sub code Contents Solution Main code Master Sub 1 Sub 2 Connection malfunction over indoor units or type Check if other indoor units have malfunction and mismatch (R407C, Mini-split, etc). confirm indoor unit mix is allowed. Wrong combination (different series (e.g. RXYQ and Correct the units combination. REYQ), or different type (e.g. A type and X type)). Wrong combination of outdoor units. Correct the units combination. Auto address malfunction (inconsistency) Check if transmission wired unit amount matches with powered unit amount (by monitor mode) or wait till initialization is finished. Auto address malfunction (inconsistency) Check if transmission wired unit amount matches • Wrong wiring detection with powered unit amount (by monitor mode) or wait • till initialization is finished. Stop valves closed. Open stop valves. INFORMATION References can be found on the wiring diagram. Information code Contents Solution Main code Auto charging related.
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Page 62: Operation Of The Unit
18. Maintenance and service 18.1 Maintenance introduction In order to ensure optimal operation of the unit, a number of checks and inspections should be carried RXYQ14-24BRY16 out on the unit at regular intervals, preferably yearly. This maintenance shall be carried out by the installer or service agent. – Please refer to the Maintenance and service check – list available on Daikin City or contact your Daikin representative for the latest document. 18.2 Service precautions DANGER: DO NOT TOUCH PIPING AND INTERNAL PARTS. See “2. General safety precautions”. 1 Terminal block for power supply 2 Tester 3 White connector CAUTION To prevent damaging the printed circuit... -
Page 63: Service Mode Operation
19.2 Maximum concentration level CAUTION The maximum charge of refrigerant and the calculation Play it safe. For protection of the printed circuit of the maximum concentration of refrigerant are directly board, touch the electrical component box casing related to the humanly occupied space in to which it by hand in order to eliminate static electricity could leak. from your body before performing service. The unit of measurement of the concentration is kg/m (the weight in kg of the refrigerant gas in 1m volume of 18.3 Service mode operation the occupied space). Refrigerant recovery operation/vacuuming operation is Compliance to the local applicable regulations and possible by applying setting [2-21]. See “13.2 Operating standards for the maximum allowable concentration the push buttons and DIP switches on the printed level is required. circuit board” for details how to set mode 2. When vacuuming/recovery mode is used, check very carefully what should be vacuumed/recovered before starting. See installation manual of the indoor unit for more information about vacuuming and recovery. - Page 64 Calculate the volume of the room (m ) where the indoor unit is installed. In a case such as the following, calculate the volume of (A), (B) as a single room or as the smallest room. A Where there are no smaller room divisions: B Where there is a room division, but there is an opening between the rooms sufficiently large to permit a free flow of air back and forth. 1 Opening between the rooms 2 Partition (Where there is an opening without a door or where there are openings above and below the door which are each equivalent in size to 0.15% or more of the floor area.) Calculating the refrigerant density using the results of the calculations in steps 1 and 2 (see “19.3 Procedure for checking maximum concentration”). Total volume of refrigerant in the ≤ Maximum refrigerant system concentration level Size (m ) of smallest (kg/m room in which there is an indoor unit installed If the result of the above calculation exceeds the maximum concentration level, a ventilation opening to the adjacent room shall be made.
- Page 65 NOTE 01_EN_3P748230-1.indd 63 23/01/2023 17:24:50...
- Page 66 NOTE 01_EN_3P748230-1.indd 64 23/01/2023 17:24:50...
- Page 67 01_EN_3P748230-1.indd 65 23/01/2023 17:24:50...
- Page 68 DAIKIN AIRCONDITIONING INDIA PVT. LTD. Head office: 12th Floor, Building No.9,Tower A, DLF Cyber City, DLF Phase-Ill, Gurgaon-122 002, Haryana, India https://www.daikinindia.com 3P748230-1 00_CV_3P748230-1.indd 3 17/01/2023 11:27:06...
- Page 69 OPERATION MANUAL System Air Conditioner RXYQ6BRY16 RXYQ8BRY16 RXYQ10BRY16 RXYQ12BRY16 RXYQ14BRY16 RXYQ16BRY16 RXYQ18BRY16 RXYQ20BRY16 RXYQ22BRY16 RXYQ24BRY16 00_CV_3P748230-1.indd 1 09/01/2023 08:59:37...
- Page 70 Thank you for purchasing this Daikin air conditioner. Carefully read this operation manual before using the air conditioner. It will tell you how to use the unit properly and help you if any trouble occurs. After reading the manual, keep it in your custody for future reference.
- Page 71 Operation manual Definitions Contents Page 1. Definitions ............1 1.1 Meaning of warnings and symbols ....1 1.1 Meaning of warnings and symbols 1.2 Meaning of used terms ........1 1.3 Safety precautions ......... 2 Warnings in this manual are classified according 2. Introduction ............ 6 to their severity and probability of occurrence. 2.1 General information ........6 2.2 System layout ..........6 DANGER 3.
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Page 72: Safety Precautions
Equipment which can optionally be combined to Leaves are a hotbed for small animals which the products as per the subject of this manual. can enter the unit. Field supply: Once in the unit, such animals can cause Equipment which needs to be installed according malfunctions, smoke or fire when making to instructions in this manual, but which are not contact with electrical parts. supplied by Daikin. • Consult your local dealer about installation work. 1.3 Safety precautions Doing the work yourself may result in water leakage, electric shocks or fire hazards. To gain full advantage of the air conditioner’s functions and to avoid malfunction due to • Do not place objects, including rods, mishandling, we recommend that you read this your fingers, etc., in the air inlet or outlet. - Page 73 • Consult your local dealer regarding what to • Be sure to install an earth leakage breaker. do in case of refrigerant leakage. Failure to install an earth leakage breaker may result in electric shocks or fire. When the air conditioner is to be installed in a small room, it is necessary to take proper In order to avoid electric shock or fire, make measures so that the amount of any leaked sure that an earth leak detector is installed. refrigerant does not exceed the concentration • Consult the dealer if the air conditioner limit in the event of leakage. Otherwise, this may submerges owing to a natural disaster, lead to an accident due to oxygen depletion.
- Page 74 • Do not clean the product with organic • Do not place burners or heaters in places solvents such as paint thinner. exposed to the air flow from the unit as this may impair combustion of the burner or The use of organic solvents may cause crack heater.
- Page 75 • Never touch the internal parts of the • After prolonged use, check the unit stand controller. and its mounts for damage. Do not remove the front panel. Touching certain If left in a damaged condition, the unit may fall internal parts will cause electric shocks and and cause injury. damage to the unit. Please consult your dealer • Do not place items which might be damaged about checking and adjustment of internal parts. by moisture under the indoor unit. •...
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Page 76: Introduction
It will be indicated throughout this operation advise. manual when certain features have exclusive • Make sure that the piping is heat insulated. model rights or not. If the piping is frozen and broken, scalding or water leakage may result. Consult your dealer. System relocation • Consult your Daikin about remodelling and relocation. Introduction 1 Outdoor unit 2.1 General information 2 Refrigerant piping 3 VRV indoor unit The indoor unit part of VRV heat pump system can 4 Branch Provider unit (required to connect be used for heating/cooling applications. -
Page 77: Before Operation
Before operation Operation procedure This operation manual is for the following systems • Operation procedure varies according to the with standard control. Before initiating operation, combination of outdoor unit and user interface. contact your dealer for the operation that Read the chapter “3. Before operation”. corresponds to your system type and mark. If your • To protect the unit, turn on the main power installation has a customized control system, switch 6 hours before operation. ask your dealer for the operation that corresponds And do not turn off the power supply during the to your system. air conditioning season because of smoothly start up. Operation modes (depending on indoor unit type): • If the main power supply is turned off during • “ ” Heating and Cooling (air to air). operation, operation will restart automatically • “ ” Fan only operation (air to air). after the power turns back on again. • “ ” Dry operation. • “ ” Automatic operation. 6.1 Starting operation and Operation mode Dedicated functions exist depending on the type of (Cooling, heating, fan only, automatic... - Page 78 FOR SYSTEM WITH COOL / HEAT SELECTOR Defrost operation Overview of Cool/Heat selector • In heating operation, freezing of the outdoor unit’s air cooled coil increases over time, restricting the Cool/Heat selector energy transfer to the outdoor unit’s coil. Heating 1. F AN ONLY/AIR CONDITIONING capability decreases and the system needs to go SELECTOR SWITCH into defrost operation to be able to deliver enough Set the switch to “ ” for fan only operation or to “ ” for heating heat to the indoor units. or cooling operation. • The indoor unit will stop fan operation, the refrigerant cycle will reverse and energy 2. C OOL/HEAT SELECTOR Set the switch to “ ” for cooling from inside the building will be used to defrost or to “ ” for heating. the outdoor unit coil.
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Page 79: Adjustment
6.2 Adjustment Movement of the air flow flap For adjustment the desired temperature, fan speed Double-flow+multi-flow units and air flow direction (only for the remote controller, follow the procedure shown below). Corner units BRC1E62 Ceiling-suspended units Wall-mounted units For the following conditions, a microcomputer controls the air flow direction which may be different from the display. COOLING HEATING • When the room temperature is • When starting operation. lower than the set temperature. • When the room temperature is Temperature adjustment higher than the set temperature. • At defrost operation. Press the temperature setting button • When operating continuously at horizontal air flow direction. • When continuous operation with downward air flow is performed at Each time this button is pressed, the the time of cooling with a ceiling-suspended or a wall-mounted unit, the microcomputer may control the flow direction, and then temperature setting rises or lowers 1°C. -
Page 80: Setting The Master User Interface
6.4 Setting the master user interface In case only VRV indoor units are connected to the VRV system: Press the operation mode selector button of the current master user interface for 4 seconds. In case this procedure was not yet performed, the procedure can be executed on the first user interface operated. The display showing “ ” (changeover under centralized control) of all slave user interfaces connected to the same outdoor unit flashes. 1 Outdoor unit Press the operation mode selector button of 2 Refrigerant piping the controller that you wish to designate as 3 VRV indoor unit the master user interface. Then designation is 4 Branch Provider unit (required to connect completed. Mini-split indoor units) This user interface is designated as the master user interface and the display showing 5 Mini-split indoor units... -
Page 81: Cool/Heat Mode Selection Availability Of Other User Interface
Energy saving and optimum 6.5 Cool/Heat mode selection availability of other user interface operation • “Cool”, “Heat” and “Auto” are all only available Observe the following precautions to ensure the for selection on the master user interface. system operates properly. The following table indicates the available • Adjust the air outlet properly and avoid direct air operating modes of the other user interface on flow to room inhabitants. the system based upon the selected mode of • Adjust the room temperature properly for a the master user interface. comfortable environment. Avoid excessive heating or cooling. The other user interface in the • Prevent direct sunlight from entering a room system can be set to When the master user during cooling operation by using curtains or interface is set to... -
Page 82: Maintenance
8.2 Maintenance before a long stop period Your system is equipped with advanced energy saving functionality. Depending on the priority (e.g., at the end of the season) emphasises can be put on energy saving or • Let the indoor units run in fan only operation for comfort level. Several parameters can be selected, about half a day in order to dry the interior of the resulting in the optimal balance between energy units. consumption and comfort for your particular Refer to “6.1 Cooling, heating, fan only, application. automatic operation and dry operation”. Several patterns are available and roughly • Turn off the power. The user interface display explained below. Contact your installer or dealer disappears. for advice or to modify the parameters to the •... -
Page 83: Fan Operation Is Possible, But Cooling/ Heating Do Not Work
9.3 Fan operation is possible, but cooling/ 9.7 The user interface display reads “ ” heating do not work or “ ” and stops, but then restarts after a few minutes • Immediately after the power is turned on. The microcomputer is getting ready to operate • This is because the user interface is intercepting and is performing a communication check with noise from electric appliances other than the air all indoor units. Please wait 12 minutes (max.) conditioner. The noise prevents communication till this process is finished. -
Page 84: Dust Comes Out Of The Unit
10. Troubleshooting 9.9 Dust comes out of the unit If one of the following malfunctions occur, take the • When the unit is used for the first time in a long measures shown below and contact your dealer. time. This is because dust has gotten into the unit. WARNING 9.10 The units can give off odours Stop operation and shut off the power if anything unusual occurs (burning smells etc.) • The unit can absorb the smell of rooms, Leaving the unit running under such furniture, cigarettes, etc., and then emit it again. circumstances may cause breakage, electric shock or fire. Contact your dealer. 9.11 The outdoor unit fan does not spin The system must be repaired by a qualified •... -
Page 85: After-Sales Service And Warranty
11. After-sales service and warranty • Check if no fuse has blown or breaker has worked. Change the fuse or reset the breaker 11.1 Warranty period if necessary. • This product includes a warranty card that was Turn the power on with Switch filled in by the dealer at the time of installation. the breaker switch in Trip position The completed card has to be checked by the the off position. customer and stored carefully. Do not turn the power Breaker • If repairs to the air conditioner are necessary on with the breaker within the warranty period, contact your dealer switch in the trip and keep the warranty card at hand. position. (Contact your dealer.) 11.2 After-sales service 2 If the system goes into fan only operation, 11.2.1 Recommendations for maintenance and but as soon as it goes into cooling operation, inspection the system stops:... -
Page 86: Shortening Of "Maintenance Cycle" And "Replacement Cycle" Needs To Be Considered In Following Situations
11.2.2 Recommended inspection and 11.3 Shortening of “Maintenance cycle” maintenance cycles and “Replacement cycle” needs to be considered in following situations Be aware that the mentioned maintenance and replacement cycles do not relate to the warranty The unit is used in locations where: period of the components. • Heat and humidity fluctuate out of the ordinary. Table 1 assumes the following conditions of use: • Power fluctuation is high (voltage, frequency, • Normal use without frequent starting and wave distortion, etc.) (the unit cannot be used if stopping of the unit. power fluctuation is outside the allowable range). -
Page 87: Malfunction Codes
Moving and discarding the unit Malfunction code • Contact your dealer for removing and Contents reinstalling the total unit. Moving units requires Main code technical expertise. Internal temperature sensor of Electrical component box malfunction (outdoor) • This unit uses hydrofluorocarbon. Contact your High pressure switch malfunction dealer when discarding this unit. It is required by Fan motor trouble (outdoor) law to collect, transport and discard the Ambient temperature sensor malfunction (outdoor) refrigerant in accordance with the Discharge temperature sensor malfunction (outdoor) “hydrofluorocanbon collection and destruction” Suction temperature sensor malfunction (outdoor) regulations. De-icing temperature sensor malfunction (outdoor) Liquid temperature sensor (after subcool HE) 11.4 Malfunction codes malfunction (outdoor) Liquid temperature sensor (coil) malfunction In case a malfunction code appears on the indoor (outdoor) unit user interface display, contact your dealer and Gas temperature sensor (after subcool HE) malfunction (outdoor) inform the malfunction code, the unit type, High pressure sensor malfunction (S1NPH) and serial number (you can find this information... - Page 88 DAIKIN AIRCONDITIONING INDIA PVT. LTD. Head office: 12th Floor, Building No.9,Tower A, DLF Cyber City, DLF Phase-Ill, Gurgaon-122 002, Haryana, India https://www.daikinindia.com 3P748230-1 00_CV_3P748230-1.indd 3 17/01/2023 11:27:06...
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