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Related Manuals for Daikin VRV-W IV
Summary of Contents for Daikin VRV-W IV
- Page 1 INSTALLATION AND OPERATION MANUAL System Air Conditioner RWEYQ8T7Y1B RWEYQ10T7Y1B...
- Page 2 13 12 21 19 20...
- Page 3 2P329110-4D...
- Page 4 2P329110-4D...
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Page 5: Table Of Contents
Main components in the electrical component box ......7 6. Selecting an installation location..........7 Thank you for purchasing this Daikin VRV IV system. 7. Dimensions and service space ..........8 The original instructions are written in English. All other languages 7.1. -
Page 6: Meaning Of Used Terms
Equipment which needs to be installed according to instructions in Do not attempt to install the air conditioner yourself. this manual, but which are not supplied by Daikin. Improper installation may result in water leakage, electric shocks or fire. - Page 7 The indoor unit is designed for R410A use. See the catalogue for indoor unit models that can be connected. (Normal operation is not possible when connecting units that are originally designed for other refrigerants.) RWEYQ8+10T7Y1B Installation and operation manual VRV-W IV System Air Conditioner 4P347465-1A – 2013.04...
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Page 8: Introduction
RWEYQ-T series. These units are designed for indoor installation and used for cooling, heat pump and heat recovery applications. The RWEYQ-T 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 RWEYQ-T units. -
Page 9: Combination And Options
"5.1. Opening the unit" on page 6 for the location of Heat recovery system BHFQ23P907 BHFQ23P1357 the accessories. The accessories are located behind the front plate, as shown in the following figure. RWEYQ8+10T7Y1B Installation and operation manual VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... -
Page 10: Overview Of Unit
2 Cover of electrical component box 3 Inspection cover DANGER: Electrical shock "2. General safety precautions" on page DANGER: Do not touch piping and internal parts. "2. General safety precautions" on page Installation and operation manual RWEYQ8+10T7Y1B VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... -
Page 11: Main Components In The Electrical Component Box
INFORMATION For more details refer to the wiring diagram of the units. The wiring diagram is located on the inside of the electrical component box. RWEYQ8+10T7Y1B Installation and operation manual VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... -
Page 12: Dimensions And Service Space
Due to this it could be necessary to take measures against leakage. Refer to "19. Caution for refrigerant leaks" on page Dimensions are in <mm> Installation and operation manual RWEYQ8+10T7Y1B VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... -
Page 13: Service Space
The foundation bolts should be inserted 20 mm. Fix 4 foundation bolts. Support the unit with a foundation that is larger than the hatched area. RWEYQ8+10T7Y1B Installation and operation manual VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... -
Page 14: Refrigerant Pipe Size And Allowable Pipe Length
≤15.9 O (annealed) <150 15.9 12.7 ≥19.1 1/2H (half hard) 150≤x<200 19.1 15.9 200≤x<290 22.2 19.1 290≤x<420 12.7 28.6 420≤x<640 15.9 640≤x<920 34.9 28.6 19.1 ≥920 41.3 Installation and operation manual RWEYQ8+10T7Y1B VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... -
Page 15: Selection Of Refrigerant Branch Kits
(field supply). In this case, the additional refrigerant calculation has to be adjusted as mentioned in "16.3. Calculating the additional refrigerant charge" on page RWEYQ8+10T7Y1B Installation and operation manual VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... -
Page 16: System Piping (Length) Limitations
Assume equivalent piping length of Refnet joint=0.5 m, Refnet header=1 m, BSVQ100/160=4 m and BSVQ250=6 m (for calculation purposes of equivalent piping length, not for refrigerant charge calculations). Installation and operation manual RWEYQ8+10T7Y1B VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... -
Page 17: System Containing Vrv Dx Indoor Units
Example 3 ≤50 m (40 m) (if outdoor is located below indoor units) r, s, t≤10 m; u≤5 m ≤15 m Equivalent length 13 m — ≤2 m RWEYQ8+10T7Y1B Installation and operation manual VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... -
Page 18: Multi Outdoor Unit System Piping Installation
1 To indoor unit 2 ≤2 m 3 Rising height: ≥200 mm 4 ≥2 m If available on the site. Otherwise it cannot be increased. Installation and operation manual RWEYQ8+10T7Y1B VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... -
Page 19: Precautions On Refrigerant Piping
Do not use flux when brazing copper-to-copper refrigerant piping. Use phosphor copper brazing filler alloy (BCuP) which does not require flux. RWEYQ8+10T7Y1B Installation and operation manual VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... - Page 20 3 to 4 turns as the initial tightening. 10.2.2 Connect piping to outdoor unit by using accessory pipes [11] Installation and operation manual RWEYQ8+10T7Y1B VRV-W IV System Air Conditioner 4P347465-1A – 2013.04...
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Page 21: Guidelines For Handling Stop Valve
Hexagonal Service accessory size body wrench (valve lid) port Flare nut pipe Liquid side 5.4~6.6 4 mm 13.5~16.5 32,7 11.5~13.9 Gas side 27.0~33.0 10 mm 36.0~44.0 22-28 RWEYQ8+10T7Y1B Installation and operation manual VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... -
Page 22: Leak Test And Vacuum Drying
12 Stop valve service port (in case of heat recovery system) 13 To indoor unit 14 To indoor unit/BS unit 15 Field piping A Valve A B Valve B C Valve C D Valve D Installation and operation manual RWEYQ8+10T7Y1B VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... -
Page 23: Pipe Insulation
Refer to "16. Charging refrigerant" on page After completing the drain piping work, make sure that the water runs smoothly without any clogging by dirt. RWEYQ8+10T7Y1B Installation and operation manual VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... -
Page 24: Handling Of The Brazed Plate Heat Exchanger
6 Filter for pump (field supply) 7 Automatic air purge valve (field supply) 8 Water outlet piping 9 Joint use with water draining plug 10 Plate heat exchanger 11 Outdoor unit Installation and operation manual RWEYQ8+10T7Y1B VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... -
Page 25: Before Operation Or Starting A Test Run
The supply water must be clean tap water, industrial water or clean underground water. Do not use purified or softened water. Once through water may cause corrosion. Do not use once through water. RWEYQ8+10T7Y1B Installation and operation manual VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... -
Page 26: Maintenance Of Plate Heat Exchanger
Never remove a thermistor, sensor, etc., when connecting power wiring and transmission wiring. (If operated without thermistor, sensor, etc., the compressor may break down.) Installation and operation manual RWEYQ8+10T7Y1B VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... -
Page 27: Internal Wiring - Parts Table
European/International Technical Standard setting the limits for harmonic ......Protective earth (screw) currents produced by equipment connected to public low-voltage systems with input current >16 A and ≤75 A per phase. RWEYQ8+10T7Y1B Installation and operation manual VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... -
Page 28: System Overview Of Field Wiring
Make sure the wiring and the electrical component box cover do not stick up above the structure, and close the cover firmly. Installation and operation manual RWEYQ8+10T7Y1B VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... -
Page 29: Routing And Connection Of Power Supply Wiring And Transmission Wiring
7 No branch is allowed after branch 8 Central user interface (etc...) A Transmission wiring between outdoor unit and indoor unit(s) B Transmission wiring between outdoor units RWEYQ8+10T7Y1B Installation and operation manual VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... - Page 30 Make sure that the wire of the smaller gauge is located above. 12 Terminal block 13 Crimp-style terminal 14 Wire gauge: Small 15 Wire gauge: Large Installation and operation manual RWEYQ8+10T7Y1B VRV-W IV System Air Conditioner 4P347465-1A – 2013.04...
- Page 31 RWEYQ8+10T7Y1B Installation and operation manual VRV-W IV System Air Conditioner 4P347465-1A – 2013.04...
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Page 32: Making Field Settings
1 Electrical component box 2 Cover of electrical component box 3 Inspection cover Now you can open the inspection cover of the electrical component box front plate (see figure). Installation and operation manual RWEYQ8+10T7Y1B VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... -
Page 33: Operating The Push Buttons And Dip Switches On The Logic Board
If you get confused in the middle of the process, push BS1. run, etc.) or when an malfunction happened, information Then it returns to idle situation. will be displayed. RWEYQ8+10T7Y1B Installation and operation manual VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... - Page 34 To leave the monitoring function, push BS1 one time; you will return to the default situation when shipped from factory. return to the default situation when shipped from factory. Installation and operation manual RWEYQ8+10T7Y1B VRV-W IV System Air Conditioner 4P347465-1A – 2013.04...
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Page 35: Charging Refrigerant
2 Additional refrigerant amount charged in the field 3 Total refrigerant charge 4 Contains fluorinated greenhouse gases covered by the Kyoto protocol 5 Outdoor unit 6 Refrigerant cylinder and manifold for charging RWEYQ8+10T7Y1B Installation and operation manual VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... -
Page 36: Calculating The Additional Refrigerant Charge
Be sure to use tools exclusively for R410A to ensure required pressure resistance and to prevent foreign materials from mixing into the system. Installation and operation manual RWEYQ8+10T7Y1B VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... -
Page 37: Start-Up And Configuration
"14. Electrical wiring work" on page 22. Be sure that neither a fuse nor a protection device has been bypassed. RWEYQ8+10T7Y1B Installation and operation manual VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... -
Page 38: Monitoring Function And Field Settings
INFORMATION If a malfunction situation occurs, H2P will be lit. If demand operation is active, H7P will be lit. Installation and operation manual RWEYQ8+10T7Y1B VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... -
Page 39: Mode 2
BS3. If BS3 is not pushed, the system will remain in method during cooling. refrigerant recovery/vacuuming mode. For more information and advice about the impact of these settings, see "17.4. Energy saving and optimum operation" on page RWEYQ8+10T7Y1B Installation and operation manual VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... - Page 40 The level is according to the table. Value Power consumption limitation [2-31] (approximately) Level1: 30% Level2: 40% (default) Level3: 50% Installation and operation manual RWEYQ8+10T7Y1B VRV-W IV System Air Conditioner 4P347465-1A – 2013.04...
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Page 41: Energy Saving And Optimum Operation
To activate this setting under cooling operation: change field setting [2-8] to the appropriate value, matching the requirements of the pre-designed system containing a high sensible solution. Value [2-8] target (°C) RWEYQ8+10T7Y1B Installation and operation manual VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... - Page 42 This setting is used in conjunction with setting [2-8]. To activate the quick comfort setting under heating operation, change field setting [2-52]=2. This setting is used in conjunction with setting [2-9]. Installation and operation manual RWEYQ8+10T7Y1B VRV-W IV System Air Conditioner 4P347465-1A – 2013.04...
- Page 43 B Operation start C Operation time A Set room temperature D Mild B Operation start E Quick C Operation time F Powerful D Mild E Quick F Powerful RWEYQ8+10T7Y1B Installation and operation manual VRV-W IV System Air Conditioner 4P347465-1A – 2013.04...
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Page 44: Test Operation
NOTICE To protect the compressor, be sure to turn on the power supply 6 hours before starting operation. Installation and operation manual RWEYQ8+10T7Y1B VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... -
Page 45: Malfunction Code List
When the test operation is fully completed, unit. normal operation will be possible after 5 minutes. RWEYQ8+10T7Y1B Installation and operation manual VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... -
Page 46: Check Of Normal Operation
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. 1 Direction of the refrigerant flow... -
Page 47: Maintenance And Service
(b) Nominal cooling capacities are based on indoor temperature 27°C DB and 19°C WB, inlet water temperature 30°C, equivalent refrigerant piping: 7.5 m, level Press BS1 to stop vacuuming mode. difference: 0 m. RWEYQ8+10T7Y1B Installation and operation manual VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... -
Page 48: Electrical Specifications
(c) MCA must be used to select the correct field wiring size. The MCA can be regarded as the maximum running current. Thank you for purchasing this Daikin VRV IV system. (d) MFA is used to select the circuit breaker and the ground fault circuit interrupter (earth leakage circuit breaker). -
Page 49: Meaning Of Warnings And Symbols
Indicates an imminently hazardous situation which, if not Equipment which needs to be installed according to instructions in avoided, will result in death or serious injury. this manual, but which are not supplied by Daikin. WARNING Introduction Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. - Page 50 Be sure to use only accessories and spare parts made by Daikin which are specifically designed for Do not touch the heat exchanger fins. These fins are use with the equipment and have them installed by a sharp and could result in cutting injuries.
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Page 51: System Layout
Fan only operation. Automatic cooling/heating changeover (heat recovery system) Dedicated functions exist depending on the type of indoor unit, refer to dedicated installation/operation manual for more information. RWEYQ8+10T7Y1B Installation and operation manual VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... -
Page 52: User Interface
. It may take some time before the fan starts. This is not a Cooling operation malfunction. Heating operation Fan only operation Automatic operation (heat recovery system) Installation and operation manual RWEYQ8+10T7Y1B VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... -
Page 53: Program Dry Operation
"6.3. Adjusting the air flow direction" on page 49 for details. 2 VRV direct expansion (DX) indoor unit 3 BS box 4 User interface (dedicated depending on indoor unit type) RWEYQ8+10T7Y1B Installation and operation manual VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... -
Page 54: Precautions For Group Control System Or Two User Interface Control System
(e.g., 25°C) as under high outdoor temperatures (e.g., 35°C). Using this idea, the system automatically starts increasing refrigerant temperature, automatically reducing the delivered capacity and increasing the system's efficiency. Installation and operation manual RWEYQ8+10T7Y1B VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... -
Page 55: Maintenance
(1) Contact your installer or maintenance person to clean air filters and casings of the indoor unit. Maintenance tips and procedures for cleaning are provided in the installation/ operation manuals of dedicated indoor units. RWEYQ8+10T7Y1B Installation and operation manual VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... -
Page 56: Troubleshooting
"Maintenance" in the indoor unit manual.) Check all valves in the water piping system. Open all valves. Check if the water filter is blocked. Clean the strainer. Installation and operation manual RWEYQ8+10T7Y1B VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... -
Page 57: After-Sales Service And Warranty
hydrogen sulfide may be present in the air. The machine is started and stopped frequently or operation time is long (sites with 24 hour air-conditioning). RWEYQ8+10T7Y1B Installation and operation manual VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... -
Page 58: Malfunction Codes
Transmission malfunction between main PCB and sub PCB (indoor) Heat exchanger thermistor malfunction (indoor; liquid) Heat exchanger thermistor malfunction (indoor; gas) Suction air thermistor malfunction (indoor) Discharge air thermistor malfunction (indoor) Installation and operation manual RWEYQ8+10T7Y1B VRV-W IV System Air Conditioner 4P347465-1A – 2013.04... - Page 59 1975 GWP=global warming potential Periodical inspections for refrigerant leaks may be required depending on European or local legislation. Please contact your local dealer for more information. RWEYQ8+10T7Y1B Installation and operation manual VRV-W IV System Air Conditioner 4P347465-1A – 2013.04...
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