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Summary of Contents for Daikin LRYEN-AY1
- Page 1 Installation and operation manual CO₂ Conveni-Pack outdoor unit and capacity up unit Installation and operation manual LRYEN10A7Y1 English CO₂ Conveni-Pack outdoor unit and capacity up unit LRNUN5A7Y1...
- Page 2 (mm) 1500 ≥300 ≥500 ≥100 ≥500 ≥300 ≥500 ≥10 ≥50 ≥200 ≥300 ≥500 ≥100 ≥500 ≥300 ≥20 ≥100 ≥400 ≥10 ≥50 ≥200...
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Page 3: Table Of Contents
Table of contents 13.1.5 To select refrigerant branch kits........20 Table of contents 13.1.6 To select expansion valves for refrigeration ....20 13.2 Using stop valves and service ports........... 20 13.2.1 To handle the stop valve..........20 13.2.2 To handle the service port ........... 21 1 About the documentation 13.2.3 Tightening torques ............ -
Page 4: Specific Installer Safety Instructions
Make sure installation, servicing, maintenance, repair and of water collecting and freezing in discharge pipes for applied materials follow the instructions from Daikin and, in pressure relief devices, accumulation of dirt and debris, or addition, comply with applicable legislation and are blockage of the discharge pipes by solid CO (R744). -
Page 5: For The User
3 User safety instructions Refrigerant piping installation (see "13 Piping Electrical installation (see "14 Electrical installation" [ 4 25]) installation" [ 4 17]) WARNING WARNING ▪ If the power supply has a missing or wrong N-phase, ▪ Only use R744 (CO ) as refrigerant. Other substances equipment might break down. -
Page 6: General
3 User safety instructions ▪ Batteries are marked with the following symbol: General WARNING This means that the batteries may NOT be mixed with unsorted If you are NOT sure how to operate the household waste. If a chemical symbol is printed beneath the unit, contact your installer. - Page 7 3 User safety instructions WARNING CAUTION: Pay attention to the fan! Before operating the unit, be sure the It is dangerous to inspect the unit while installation has been carried out the fan is running. correctly by an installer. Be sure to turn off the main switch before executing any maintenance CAUTION task.
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Page 8: About The System
4 About the system WARNING System layout The R744 refrigerant (CO ) inside the INFORMATION unit is odourless, non-flammable and The following illustration is an example and might NOT normally does NOT leak. match your system layout. If the refrigerant leaks in high concentrations in the room, it may have negative effects on its occupants such as asphyxiation and carbon dioxide... -
Page 9: Maintenance And Service
6 Maintenance and service top of normal maintenance activities. Our network of dealers has Side Design pressure access to a permanent stock of essential components in order to Refrigeration 90 bar keep your unit in operation as long as possible. Contact your dealer Air conditioning 120 bar for more information. -
Page 10: Error Codes: Overview
8 Relocation Error codes: Overview Code Cause Solution Wrong combination of ▪ Check the number of In case a malfunction code appears on the indoor unit user interface indoor units connected indoor units. display, contact your installer and inform the malfunction code, the ▪... -
Page 11: To Remove The Accessories From The Outdoor Unit
11 About the units and options Crane 10.1.3 To remove the accessories from the outdoor unit Lift the outdoor unit preferably with a crane and 2 belts of at least 8 m long as shown in the figure below. Always use protectors to Outdoor unit prevent belt damage and pay attention to the centre of gravity of the unit. -
Page 12: Labels On Outdoor Unit
11 About the units and options 11.1.1 Labels on outdoor unit Text on warning card Translation Unit is charged and under high Unit is charged and under high Label about flow directions pressure. pressure. ports" [ 4 20]. Also see "13.2 Using stop valves and service Label about maximum storage temperature 55°C Text on caution label... -
Page 13: Indoor Unit Constraints
12 Unit installation Blower coil (indoor unit for refrigeration) Item Description Safety valve Possible patterns with installation control panel detector spaces in case of a single alarm (a)(b)(c)(d) outdoor unit ventilator Shut off valve Possible patterns with installation spaces in case of an outdoor unit connected to a capacity up unit 11.3 Indoor unit constraints... -
Page 14: Opening And Closing The Unit
12 Unit installation Refrigerant charge INFORMATION Room volume For more information regarding allowable refrigerant 2 appropriate measures required 1 appropriate measure required charge and space volume calculations see the reference No measure required guide of the indoor unit. For occupancies on the lowest underground floor of the building Appropriate measures If the total refrigerant charge... -
Page 15: To Open The Electrical Component Box Of The Outdoor Unit
12 Unit installation 12.2.2 To open the electrical component box of the outdoor unit 2× NOTICE Do NOT apply excessive force when opening the electronic component box cover. Excessive force can 7× deform the cover, resulting in entering of water to cause equipment failure. -
Page 16: Mounting The Outdoor Unit
12 Unit installation Outdoor unit Outdoor unit Capacity up unit 2 Reinstall the front panels. 4× × × Outdoor unit Capacity up unit 3 Attach the small front plates to the front panels. 2× 7× Capacity up unit Outdoor unit Capacity up unit 12.3 Mounting the outdoor unit... -
Page 17: To Install The Outdoor Unit
13 Piping installation ▪ Fasten the unit in place using four foundation bolts M12. It is best to screw in the foundation bolts until their length remains 20 mm above the foundation surface. NOTICE 8× 8× ▪ Prepare a water drainage channel around the foundation to drain waste water from around the unit. -
Page 18: Refrigerant Piping Length And Height Difference
13 Piping installation Piping type Outer Temper Thickness Requirement Limit diameter grade LRYEN10* LRYEN10* + (Ø) LRNUN5* Ø Liquid piping 15.9 mm R300 ≥1.05 mm Maximum height difference 0.5 m (5/8") between air conditioners (drawn) Gas piping 19.1 mm R300 ≥1.30 mm ▪ Example: H1≤Limit (3/4") Whichever is longer (drawn) - Page 19 13 Piping installation Capacity up unit (LRNUN5*) Outdoor unit (LRYEN10*) Indoor unit (showcase) Indoor unit (blower coil) Indoor unit (air conditioning) Liquid piping (side showcases and blower coils) A2~E2 Liquid piping (side air conditioning) Gas piping (side showcases and blower coils) a2~e2 Gas piping (side air conditioning) H1~H4...
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Page 20: To Select Refrigerant Branch Kits
13 Piping installation Indoor unit (air conditioning) Stop valve size Liquid piping (refrigeration side): 90 bar Gas piping (refrigeration side): depends on design Liquid side Gas side pressure of showcase and blower coil. For example, Refrigeration side Ø15.9 Ø19.1 60 bar Gas and liquid piping (air conditioning side): 120 bar Air conditioner Ø15.9 Ø15.9... -
Page 21: To Handle The Service Port
13 Piping installation 2 Tighten the packing holder. To open the service port 3 Before mounting the valve cap, insert a new copper packing. 1 Remove the service port cap with 2 spanners and remove the copper packing. 2 Connect the charge port to the service port. 3 Remove the valve cap with 2 spanners. -
Page 22: Connecting The Refrigerant Piping
13 Piping installation 13.3.2 To connect the refrigerant piping to the 13.3 Connecting the refrigerant piping outdoor unit DANGER: RISK OF BURNING/SCALDING You can route refrigerant piping to the front or side of the unit. For the outdoor unit: 13.3.1 To remove the spun pipes WARNING Any gas or oil remaining inside the stop valve may blow off... -
Page 23: Guidelines To Connect T-Joints
13 Piping installation Coming from the indoor units Side connection Going to the outdoor units Main refrigerant pipe 1 Remove the knockout on the bottom plate. Slanting downwards NOTICE Where joints are used on piping, avoid damage caused by freezing or vibration. 4×... -
Page 24: Checking The Refrigerant Piping
13 Piping installation NOTICE NOTICE The design pressure of the connected air conditioning The connections to the indoor units and all indoor units parts MUST be 12 MPa (120 bar). If this is not the case, should also be leak and vacuum tested. Keep any possible please contact your dealer for assistance. -
Page 25: 14 Electrical Installation
14 Electrical installation Insulation thickness ▪ EN/IEC 61000‑3‑12 provided that the short-circuit power S greater than or equal to the minimum S value at the interface Take the following into account when determining the insulation point between the user's supply and the public system. thickness: ▪... -
Page 26: Field Wiring: Overview
14 Electrical installation 14.2 Field wiring: Overview INFORMATION Indoor units (air conditioning). This field wiring overview shows only one possible wiring for the indoor units (air conditioning). For more possibilities, see the indoor unit manual. X1M (A1P) X1M (A1P) X1M (A1P) X1M (A1P) L1 L2 L3 N C C1 W1 R P1 P2... -
Page 27: Guidelines When Knocking Out Knockout Holes
14 Electrical installation 14.3 Guidelines when knocking out 14.4 Guidelines when connecting the knockout holes electrical wiring ▪ To punch a knockout hole in a front panel, hit on it with a hammer. Tightening torques ▪ To punch a knockout hole in the bottom panel, drill holes where indicated. -
Page 28: Connections To The Outdoor Unit
14 Electrical installation If the total transmission wiring exceeds these limits, communication errors might occur. Remote switches See details in: X1M (A1P) unit" [ 4 28] ▪ "14.6.1 Low voltage wiring – Outdoor unit" [ 4 30] ▪ "14.7.1 Low voltage wiring – Capacity up Output signals See details in: unit" [ 4 29]... -
Page 29: High Voltage Wiring - Outdoor Unit
14 Electrical installation Details – Output signals Low noise switch Mode Normal mode NOTICE Low noise mode Output signals. The outdoor unit is provided with a terminal (X4M) that can output 4 different signals. The Wiring low noise switch: signal is 220~240 V AC. The maximum load for all signals Wiring Sheathed cable (2 wires) is 0.5 ... -
Page 30: Low Voltage Wiring - Capacity Up Unit
14 Electrical installation 14.7.1 Low voltage wiring – Capacity up unit Connections/routing/fixing X1M (A1P) IN/D UNIT OUT/D UNIT MULTI UNIT F2 Q1 Q2 X1M (A1P) Factory-equipped operation switch: OFF: Unit operation turned OFF ON: Unit operation turned ON c/d a/b Remote: Unit controlled (ON/OFF) with remote operation switch X1M (A1P) -
Page 31: 15 Charging Refrigerant
15 Charging refrigerant Output signals: INFORMATION d: Caution For the operation method of the stop valves, refer to e: Warning ports" [ 4 20]. "13.2 Using stop valves and service f: Run WARNING ▪ Only use R744 (CO ) as refrigerant. Other substances may cause explosions and accidents. -
Page 32: To Determine Additional Refrigerant Amount
15 Charging refrigerant 15.2 To determine additional refrigerant Factory charged amount of refrigerant into 6.3 [5] outdoor unit (kg) amount Additional amount of refrigerant charged when test run if required (kg) Use method 1 for an outdoor unit WITHOUT a capacity up unit. Total amount of refrigerant [4]+[5]+[6] (kg) 1 Calculate each amount of refrigerant for the liquid piping using the Calculation table in this chapter, based on the piping size... -
Page 33: Configuration
16 Configuration INFORMATION NOTICE After charging, add the total amount of refrigerant to the Close the cover of the electrical component box before name plate on the front panel of the unit. turning ON the power. 16.1.3 Field setting components Configuration DIP switches Use DS1 to set the target evaporating temperature for the... -
Page 34: 17 Commissioning
17 Commissioning Initialisation: default situation During test operation, the outdoor unit and the indoor units will start up. Make sure that the preparations of all indoor units are finished NOTICE (field piping, electrical wiring, air purge, ...). See installation manual of the indoor units for details. -
Page 35: About The Test Run
17 Commissioning 2 Wait for about 10 minutes (after power supply ON) until the Air inlet/outlet communication between the outdoor unit and the capacity up Check that the air inlet and outlet of the unit is NOT unit is confirmed. The 7-segment display is blinking during the obstructed by paper sheets, cardboard, or any other communication test: material. -
Page 36: Correcting After Abnormal Completion Of The Test Run
17 Commissioning Check defrosting Parameter Range Root cause Countermeasu when out of Check if the indoor unit starts defrosting if the defrosting setting is range applied. Subcool ≥2 K Lack of amount Charge CAUTION of refrigerant (in additional case of high refrigerant ALWAYS turn off the operation switch BEFORE turning off suction... -
Page 37: Troubleshooting
18 Troubleshooting If the unit runs into a problem, the user interface displays an error Troubleshooting code. It is important to understand the problem and to take measures before resetting an error code. This should be done by a licensed installer or by your local dealer. 18.1 Solving problems based on error This chapter gives you an overview of all possible error codes and... - Page 38 18 Troubleshooting Main code LRYEN10* LRNUN5* Cause Solution Malfunction of discharge/compressor body Check connection on PCB or actuator. temperature sensor For LRYEN10*: ▪ (R31T) - A1P (X19A) ▪ (R32T) - A1P (X33A) ▪ (R33T) - A2P (X19A) ▪ (R91T) - A1P (X19A) ▪...
- Page 39 18 Troubleshooting Main code LRYEN10* LRNUN5* Cause Solution ▪ Heat exchanger of outdoor unit is blocked. ▪ Check if any obstacles block the heat exchanger and remove them. ▪ The outdoor temperature is above the maximum operating temperature. ▪ Operate unit only within...
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Page 40: 19 Technical Data
19 Technical data Technical data A subset of the latest technical data is available on the regional Daikin website (publicly accessible). The full set of latest technical data is available on the Daikin Business Portal (authentication required). 19.1 Piping diagram: Outdoor unit 15.9 C1220T-H... -
Page 41: Piping Diagram: Capacity Up Unit
19 Technical data 19.2 Piping diagram: Capacity up unit 15.9 C1220T-H 15.9 C1220T-H Pressure sensor Plate heat exchanger Pressure switch Heat exchanger Check valve Oil separator Service port Liquid receiver Electronic expansion valve Distributor Filter Refrigerant pipe Propeller fan Oil and injection pipe Compressor with accumulator LRYEN10A7Y1+LRNUN5A7Y1 Installation and operation manual... -
Page 42: Wiring Diagram: Outdoor Unit
19 Technical data 19.3 Wiring diagram: Outdoor unit The wiring diagram is delivered with the unit: Motor (compressor) (INV1) ▪ For the outdoor unit: At the inside of the left electrical component Motor (compressor) (INV2) box cover. Motor (compressor) (INV3) ▪... - Page 43 19 Technical data Capacity up unit Thermistor (M1C discharge) Notes: Thermistor (de-icer) This wiring diagram applies only to the capacity up unit. Thermistor (liquid separator outlet) Field wiring Thermistor (plate heat exchanger outlet) Terminal block Thermistor (liquid pipe) Connector Thermistor (M1C body) S1NPH High pressure sensor Terminal...
- Page 44 4P605461-1 B 0000000- 4P605461-1B 2020.08 Verantwortung für Energie und Umwelt...
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