Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Troubleshooting
Related Manuals for Daikin LRYEN10A Y1 Series
Summary of Contents for Daikin LRYEN10A Y1 Series
- Page 1 Installation and operation manual CO₂ Conveni-Pack outdoor unit and capacity up unit LRYEN10A▲Y1▼ LRNUN5A▲Y1▼ Installation and operation manual English ▲= 1, 2, 3, …, 9 CO₂ Conveni-Pack outdoor unit and capacity up unit ▼= , , 1, 2, 3, …, 9...
- Page 2 (mm) 1500 ≥300 ≥500 ≥500 ≥500 ≥300 ≥500 ≥500 ≥500 ≥500 ≥500 ≥300 ≥500 ≥500 ≥500 ≥300 ≥500 ≥500 ≥500 ≥500 ≥500 ≥500...
-
Page 3: Table Of Contents
Table of contents 13.1.4 To select the piping size ..........22 Table of contents 13.1.5 To select refrigerant branch kits........23 13.1.6 To select expansion valves for refrigeration ....23 13.2 Using stop valves and service ports .......... 24 1 About the documentation 13.2.1 To handle the stop valve.......... -
Page 4: About The Documentation
ONLY the refrigeration parts that are also designed to work Daikin website (publicly accessible). with R744 (CO ) shall be connected to the system. ▪ The full set of the latest technical data is available on the Daikin installation" [ 4 16]) Unit Installation site (see "12 Unit Business Portal (authentication required). - Page 5 2 Specific installer safety instructions WARNING WARNING Follow the service space dimensions in this manual to install the unit correctly. See "12.1.1 Installation site unit" [ 4 17]. requirements of the outdoor CAUTION NEVER remove the spun piping by brazing. Appliance NOT accessible to the general public, install it in Any gas or oil remaining inside the stop valve may blow off a secured area, protected from easy access.
- Page 6 2 Specific installer safety instructions WARNING WARNING Electrical wiring MUST be in accordance with the ▪ ONLY use R744 (CO ) as refrigerant. Other substances instructions from: may cause explosions and accidents. installation" [ 4 31]. ▪ This manual. See "14 Electrical ▪...
-
Page 7: For The User
3 User safety instructions CAUTION CAUTION After the refrigerant is fully charged, do NOT turn off the ALWAYS turn off the operation switch BEFORE turning off operation switch and power supply of the outdoor unit. This the power supply. prevents the safety valve actuation due to an increase in internal pressure under... - Page 8 3 User safety instructions WARNING CAUTION Do NOT keep flammable materials Do NOT insert fingers, rods or other inside the unit. They may cause an objects into the air inlet or outlet. Do explosion or a fire. NOT remove the fan guard. When the fan is rotating at high speed, it will WARNING: FLAMMABLE MATERIAL cause injury.
-
Page 9: About The System
4 About the system WARNING CAUTION Be careful with ladders when working Do NOT insert fingers, rods or other in high places. objects into the air inlet or outlet. When the fan is rotating at high speed, it will WARNING cause injury. -
Page 10: System Layout
5 Operation ▪ Heating and refrigeration: NOTICE ▪ With fully heat recovery For future modifications or expansions of your system: ▪ With outdoor heat exchanger as gas cooler A full overview of allowable combinations (for future system extensions) is available in technical engineering ▪... -
Page 11: About The Refrigerant
7 Troubleshooting NOTICE WARNING Do NOT wipe the controller operation panel with benzine, Stop operation and shut OFF the power if anything thinner, chemical dust cloth, etc. The panel may get unusual occurs (burning smells etc.). discoloured or the coating peeled off. If it is heavily dirty, Leaving the unit running under such circumstances may soak a cloth in water-diluted neutral detergent, squeeze it cause breakage, electrical shock or fire. -
Page 12: Error Codes: Overview
8 Relocation Malfunction Measure Error codes: Overview The system operates ▪ Check if air inlet or outlet of outdoor or In case a malfunction code appears on the indoor unit user interface but cooling or heating indoor unit is not blocked by obstacles. display, contact your installer and inform the malfunction code, the is insufficient. -
Page 13: For The Installer
10 About the box For the installer About the box Keep the following in mind: ▪ At delivery, the unit MUST be checked for damage and completeness. Any damage or missing parts MUST be reported immediately to the claims agent of the carrier. ▪... -
Page 14: To Remove The Accessories From The Outdoor Unit
11 About the units and options 3 There are 2 ways to lift the outdoor unit. NOTICE ▪ with a crane and 2 belts of at least 8 m long as shown in the figure ▪ Use a belt sling that adequately bears the weight of the below. -
Page 15: Labels On Outdoor Unit
11 About the units and options Label about safety valve NOTICE These units (LRYEN10* and LRNUN5*) are only parts of an air conditioner system, complying with partial unit requirements International Standard 60335-2-40:2018. As such, they must ONLY be connected WARNING to other units that have been confirmed as complying to corresponding partial unit requirements of this International Standard. -
Page 16: System Layout
12 Unit installation Text on warning label Translation NOTICE MAXIMUM STORAGE MAXIMUM STORAGE The design pressure of high pressure side of the TEMPERATURE: 55°C TEMPERATURE: 55°C connected refrigeration parts MUST be 9 MPaG (90 bar gauge). A CO detector is always A CO detector is always recommended during storage... -
Page 17: Preparing The Installation Site
12 Unit installation NOTICE Item Description Possible patterns with installation When indoor installation of the outdoor unit is required, for spaces in case of an outdoor unit example in a technical room, the following requirements (a)(b)(c)(d)(e)(f) connected to a capacity up unit MUST be met: H1 (actual height)–1500 mm ▪... -
Page 18: Opening And Closing The Unit
12 Unit installation ▪ (natural or mechanical) ventilation If the total refrigerant charge …the number of appropriate (kg) divided by the room measures must be at least… ▪ safety shut-off valves volume ) is… ▪ safety alarm, in combination with a CO refrigerant leak detector (a >QLMV and <QLAV safety alarm alone is NOT considered an appropriate measure... -
Page 19: To Open The Switch Box Of The Outdoor Unit
12 Unit installation Switch box of the capacity up unit 4× 4× × 12.2.3 To close the outdoor unit Outdoor unit NOTICE Capacity up unit When closing the outdoor unit cover, make sure that the 3 Remove the small front plates of each removed front panel. tightening torque does NOT exceed 3.98 N•m. -
Page 20: Mounting The Outdoor Unit
12 Unit installation 12.3 Mounting the outdoor unit 12.3.1 To provide the installation structure Make sure the unit is installed level on a sufficiently strong base to prevent vibration and noise. For more information, see chapter "Installation site requirements of the outdoor unit"... -
Page 21: Piping Installation
13 Piping installation Outer Temper Thickness Design Piping installation diameter grade pressure (Ø) Ø 13.1 Preparing refrigerant piping Liquid 15.9 mm R300 1.05 mm 120 bar piping (5/8") gauge 19.1 mm R300 1.30 mm 120 bar 13.1.1 Refrigerant piping requirements piping (3/4") gauge WARNING Depending on the applicable legislation and the maximum working pressure of the unit (see "PS High"... -
Page 22: To Select The Piping Size
13 Piping installation Requirement Limit LRYEN10* LRYEN10* + LRNUN5* Maximum height difference 5 m between blower coil and showcase ▪ Example: H3≤Limit Maximum height difference 0.5 m between air conditioners ▪ Example: H1≤Limit Whichever is longer For low load restrictions, see 'Constraints for refrigeration' in the Installer and user reference guide. -
Page 23: To Select Refrigerant Branch Kits
13 Piping installation In case the required pipe sizes (inch sizes) are not available, it is Liquid side Gas side also allowed to use other diameters (mm sizes), taken the following Air conditioner Ø15.9 Ø15.9 into account: side ▪ Select the pipe size nearest to the required size. Reducers (field supply) may be required to connect the piping. -
Page 24: Using Stop Valves And Service Ports
13 Piping installation 13.2 Using stop valves and service ports For more information about the card on the unit, see "Card about ports" [ 4 15]. stop valves and service To outdoor unit To indoor unit WARNING When stop valves are closed during service, the pressure To close the stop valve of the closed circuit will increase due to high ambient temperature. -
Page 25: Tightening Torques
13 Piping installation To outdoor unit To indoor unit 13.2.2 Tightening torques Screw stop valve Stop valve Tightening torque (N•m) (turn clockwise to close) size (mm) Shaft Valve cap Packing Valve stem Valve core pressure Copper packing Ø15.9 38.2~46.6 7.4~9.0 13.2~16.0 14.2~17.2 2 Connect the charge port to the service port. -
Page 26: Connecting The Refrigerant Piping
13 Piping installation INFORMATION If the stop valve was initially open, a small amount of refrigerant or oil may leak out. 5 Wait until all oil has dripped out before continuing with the connection of the field piping in case the recovery was not complete. - Page 27 13 Piping installation 1 Remove the left front panel of the outdoor unit and, if applicable, the one of the capacity up unit. See "12.2.1 To open unit" [ 4 18]. the outdoor 2 Remove the knockout in the small front plate of the outdoor unit and, if applicable, the one of the capacity up unit.
-
Page 28: Guidelines To Connect T-Joints
13 Piping installation 6 Connect the gas and liquid piping of the air conditioning to the outdoor unit. 13.3.3 Guidelines to connect T-joints INFORMATION Piping joints and fittings shall comply with the requirements of EN 14276-2. CAUTION ALWAYS use K65 T-joints for refrigerant branching. Stop valve (gas –... -
Page 29: Guidelines To Install Safety Valves
13 Piping installation When brazing Follow the brazing instructions in the dryer NOTICE manual. ALWAYS choose and install a safety valve according to Remove the dryer cap immediately before brazing the design pressure of the gas piping of refrigeration parts (to prevent absorption of moisture). -
Page 30: Checking The Refrigerant Piping
13 Piping installation Prerequisite: To prevent the safety valve (field supplied) from 13.4 Checking the refrigerant piping opening during the test, if present, do the following: Keep the following in mind: ▪ Remove the safety valve(s) (field supplied) and, if present, the changeover valve. -
Page 31: To Perform Vacuum Drying
14 Electrical installation Insulation sealing 6 If there is a pressure drop, locate the leak, repair it and repeat the strength pressure test (see "13.4.2 To perform a strength To prevent rain and condensed water entering the unit, add a test" [ 4 30]) and the leak test (see pressure "13.4.3 To perform a... -
Page 32: Field Wiring: Overview
14 Electrical installation 14.1 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 33: Guidelines For Making Knockout Holes
14 Electrical installation 14.2 Guidelines for making knockout 2× holes ▪ To punch a knockout hole in a front panel, hit on it with a hammer. ▪ To punch a knockout hole in the bottom panel, drill holes where indicated. ▪... -
Page 34: About Electrical Compliance
14 Electrical installation Tightening torques 14.5 Specifications of standard wiring components NOTICE We recommend using solid (single-core) wires. If stranded X1M (A1P) wires are used, slightly twist the strands to consolidate the X1M (A1P) end of the conductor for either direct use in the terminal clamp or insertion in a round crimp-style terminal. -
Page 35: Connections To The Outdoor Unit
14 Electrical installation Details – DIII transmission wiring 14.6 Connections to the outdoor unit components" [ 4 34]. "14.5 Specifications of standard wiring NOTICE Details – Remote operation switch ▪ Be sure to keep the power line and transmission line NOTICE apart from each other (≥50 mm). Transmission wiring and power supply wiring may cross, but may not run Remote operation switch. -
Page 36: High Voltage Wiring - Outdoor Unit
14 Electrical installation Details – Output signals 14.6.2 High voltage wiring – Outdoor unit NOTICE Connections/routing/fixing Output signals. The outdoor unit is provided with a terminal (X4M class II construction) that can output 4 L1 L2 L3 different signals. The signal is 220~240 V AC. The maximum load for all signals is 0.5 ... -
Page 37: 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 38: Charging Refrigerant
15 Charging refrigerant Power supply: Charging refrigerant a: Power supply cable b: Overcurrent fuse c: Earth leakage circuit breaker 15.1 Precautions when charging Protective earth (screw) Output signals: refrigerant d: Caution e: Warning WARNING f: Run ▪ ONLY use R744 (CO ) as refrigerant. -
Page 39: To Determine Additional Refrigerant Amount
15 Charging refrigerant NOTICE Liquid Conversion Piping Total piping size ratio per length (m) amount of Do NOT fully close the stop valve for field piping after the (mm) meter of refrigerant refrigerant has been charged into the unit. liquid (kg) piping (kg/ NOTICE... -
Page 40: To Fix The Refrigerant Charge Label
16 Configuration Pressure difference too low 16.1 Making field settings If the pressure difference between the charging cylinder and refrigerant piping is too low, you cannot charge anymore. Continue 16.1.1 About making field settings as follows to decrease the pressure in the piping and to be able to continue charging: To configure the outdoor unit and capacity up unit, you must give input to the main PCB (A1P) of the outdoor unit and capacity up unit. -
Page 41: To Access Mode 1 Or 2
16 Configuration Initialisation: default situation NOTICE Turn ON the power 6 hours before operation in order to have power running to the crankcase heater and to protect the compressor. Target evaporating temperature Normal load Low load Turn on the power supply of the outdoor unit, capacity up unit, and all indoor units. -
Page 42: Commissioning
17 Commissioning Result: The setting appears on the 7-segment display, [Mode 17.2 Checklist before commissioning Setting] is addressed. 1 After the installation of the unit, check the items listed below. 3 Push BS3 1 time to access the selected setting's value. 2 Close the unit. -
Page 43: About The System Test Run
17 Commissioning 1 Turn ON the operation switch of the capacity up unit. Air inlet/outlet 2 Wait for about 10 minutes (after power supply ON) until the Check that the air inlet and outlet of the unit is NOT communication between the outdoor unit and the capacity up obstructed by paper sheets, cardboard, or any other unit is confirmed. -
Page 44: Correcting After Abnormal Completion Of The Test Run
17 Commissioning Parameter Range Root cause Countermeasu Action Push button 7-segment display when out of Push BS3 once, and For example, 7- range indicate each of the segment displays 12 BS1 BS2 BS3 Suction ≤18°C Lack of amount Charge selected parameters. if suction superheat is temperature of refrigerant. -
Page 45: Troubleshooting
18 Troubleshooting This chapter gives you an overview of all possible error codes and Troubleshooting their descriptions as they appear on the user interface. INFORMATION 18.1 Solving problems based on error See the service manual for: codes ▪ The complete list of error codes If the unit runs into a problem, the user interface displays an error ▪... - Page 46 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 47 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 the unit only within the temperature operation range.
-
Page 48: 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 the latest technical data is available on the Daikin Business Portal (authentication required). 19.1 Piping diagram: Outdoor unit... - Page 49 19 Technical data Filter Propeller fan Thermistor Units from serial number 3000000 till 3999999 Y31S~Y34S Y44S 15.9 C1220T-H Y17E Y16E Y21S~Y26S Y11S~Y16S 15.9 C1220T-H S3PH S1NPH R33T R93T HEX1 CV10 Y14E R23T S2NPM CV11 S1PH S2PH HEX2 R31T R32T R91T R92T 19.1 C1220T-H R21T...
- Page 50 19 Technical data Units from serial number 4000000 Y31S~Y34S Y44S 15.9 C1220T-H Y17E Y16E Y21S~Y26S Y11S~Y16S 15.9 C1220T-H S3PH S1NPH R33T R93T HEX1 CV10 Y14E R23T S2NPM CV11 S1PH S2PH HEX2 R31T R32T R92T R91T 19.1 C1220T-H R21T R22T S1NPL S2NPL S1NPM Y13E...
-
Page 51: Piping Diagram: Capacity Up Unit
19 Technical data 19.2 Piping diagram: Capacity up unit 15.9 C1220T-H 15.9 C1220T-H 3D128362B Pressure sensor Compressor with accumulator Pressure switch Plate heat exchanger Check valve Heat exchanger Service port Oil separator Electronic expansion valve Liquid receiver Filter Refrigerant pipe Propeller fan Oil and injection pipe LRYEN10A + LRNUN5A... -
Page 52: Wiring Diagram: Outdoor Unit
19 Technical data 19.3 Wiring diagram: Outdoor unit The wiring diagram is delivered with the unit: Motor (compressor) (INV2) ▪ For the outdoor unit: At the inside of the left switch box cover. Motor (compressor) (INV3) Motor (fan) (FAN1) ▪ For the capacity up unit: At the inside of the switch box cover. Motor (fan) (FAN2) Outdoor unit Motor (fan) (FAN3) - Page 53 19 Technical data Y16E Electronic expansion valve (discharge, R300 Resistor (A2P) cooling or defrost) Resistor (current sensor) (A4P) Y17E Electronic expansion valve (discharge, Thermistor (air) (A1P) heating) Thermistor (M1C suction) Capacity up unit Thermistor (M1C discharge) Notes: Thermistor (de-icer) Thermistor (liquid separator outlet) This wiring diagram applies only to the capacity up unit.
- Page 56 4P605461-1 E 0000000$ 4P605461-1E 2024.12...
Need help?
Do you have a question about the LRYEN10A Y1 Series and is the answer not in the manual?
Questions and answers