Q'ty Supplied parts Remarks Duct connection box Duct connection box installation bracket Installation flange Duct flange o Instruction screw Thermal insulation Page Mini Vrf Alarm Codes Mini VRF SYSTEM 4. NVERTER Heat Pump Air-Conditioner Energy Saving Year-round Comfort ECO Refrigerant RA. Wired remote controller Not used. Prevent air short Air short circuit has occurred. Receiver remote control. Mini VRF Alarm Codes Trouble Diagnosis H31 alarm Alarm code Alarm meaning HIC trouble alarm Alarm conditions This alarm occurs when the microcomputer identifies a trouble signal indicating abnormal HIC temperature or other trouble from the HIC. CZ-RWSC2 1. Page Timer Operation Page 63 Mini VRF SYSTEM 2. Failure to do so may lead to electric shock or unit failure. Overview What is the outdoor unit maintenance remote controller? ADD D LED1 D LED2 MODE CN-OPT1 STOP CN-OPT2 TEST Inlet Page RECEIVER CZ-RWSU2 Receives the signal sent from the 1. Page 33 Schrader-type 11 Never use any refrigerant other than RA. Page 97 Page F31 Outdoor unit nonvolatile memory EEPROM trouble Error Detection Method It is judged an error based on the criteria listed below. PAC-i System Alarm Codes Alarms for outdoor units Alarm Alarm Meaning Code Remote Controller Reception Error Remote Controller Transmission Error Error in Indoor Unit Receiving Signal from Remote Controller central Error in Indoor Unit Receiving Signal from the Outdoor Unit Error in Indoor Unit Transmitting Signal to the Outdoor Unit Outdoor Unit Failed to Receive Serial Communication Signals from Indoor Unit Outdoor Unit Sending Failure to Indoor Unit Page 96 When the unit stops, the flap up-down wind direction plate automatically faces downwards.
Page 72 Mini VRF SYSTEM 2. Page 92 Mini VRF SYSTEM 4. Page Outdoor Unit Control HIC PCB A : UPE1R5, UPE1R5 A : UPE1R5 for single-phase outdoor unit HIC PCB for single-phase outdoor unit HIC PCB A : UPE1R5, UPE1R5 A : UPE1R8, UPE1R8, UPE1R8 for single-phase outdoor unit HIC PCB for 3-phase outdoor unit PCB Page F08 Outdoor air temperature sensor TO trouble Error Detection Method It is judged an error when open circuit or short circuit. This will cause the drain water to flow 1 Prepare standard hard PVC pipe O. Page 4: Precautions For Installation Using New Refrigerant 2.
Refrigerant Flow Diagram Page 88 Mini VRF SYSTEM 4. Page E03 Error in Indoor Unit Receiving Signal from Remote Controller central When indoor unit s are connected Error Detection Method It is judged an error when there is no communication from any remote controller collectively in a 3-minute period or if there is no communication from the central device in a minute period. This is detected even when auto address setting is not used. Page E01 Remote Controller Reception Error When indoor unit s are connected Error Detection Method It is judged an error if no self-addressed communication is sent to the remote controller in a 3-minute period. Drain Pump Control Page 9: Compressor Control Mini VRF SYSTEM 2. Set up the wiring and cable for the outdoor unit piping and secure with a tie. Sign In OR. Installing the Receiver Ceiling Suspended Model 1 Open the air inlet grill on the side panel, remove the 1 screw and then move it toward the front direction of the arrow and remove it. Accessories Accessories Quantity Accessories Quantity Receiver Dry-cell Batteries Users Manual Remote Control Truss Self-Tapping Screws 4 X 16 Remote Control Holder Cable tie 2. For this, prepare a bucket and wiping cloth to catch and wipe up spilled water. Part A Part B Fig. Air-blocking material for 3-direction discharge CZ-CFU2 Air-blocking material when a discharge duct is connected CZ-CFU Is there a short circuit with the intake air flow? Room Temperature Control The body sensor or remote controller sensor detects temperature in the room. Before Requesting Service Before requesting service, please check the followings. Page Matching up Addresses Setting Remote Control Addresses 1. Mechanical trouble A Locking intrusion of foreign objects, galling, etc. Connect the wiring 2-wire to points 1 and 2 on the left side of the terminal block. Operation of Solenoid Valves Control Functions 6. Servicing and Maintenance Functions Control Functions The below functions are available, and are selected by the outdoor unit EEPROM settings. Page Airflow Distance Chart Outdoor Unit Control PCB A : UPE1R5, UPE1R5 A : UPE1R5 Page E05 Error in Indoor Unit Transmitting Signal to the Outdoor Unit Error Detection Method It is judged an error when a unit itself cannot receive a signal that it has sent.
Q'ty Supplied parts Remarks Duct connection box Duct connection box installation bracket Installation flange Duct flange o Instruction screw Thermal insulation User manual for the device Panasonic Air Conditioner RA. Installing the Receiver The receiver can only be installed on the corner indicated in Fig. Upload from disk. Page 90 Mini VRF SYSTEM 4. Page 87 Page Indoor Fan Performance
Main unit setting was made in the indoor unit group control setting of the remote control detailed settings mode. Fan Control during Dry Mode The fan control during dry mode is as follows. Refer to "Checking the LED 1 and 2 Alarm Display on the Outdoor Unit Control PCB. Single-Phase Unit continued CR-PCB A UPE1R5, UPE1R5 EEPROM memory IC POWER LED JP IC18 D SILENT CN- SILENT S LED for EEPROM S memory PUMP D DOWN A. Page Adjusting The Wind Direction To operate this system, the below settings must be made at the time of the test run. Upload from disk. Outdoor unit Min. Contents of Remote Controller Switch Alarm Display Trouble Diagnosis Blinking: OFF: Wired Wireless remote remote controller control receiver display display Possible cause of malfunction Incorrect discharge temperature. Frost is detected when either Condition 1 or 2 below is met. High Pressure Sensor The high pressure sensor connection port on the outdoor unit includes a Schrader-type, push-to-release valve. Page Control Functions 4. Page 65 Mini VRF SYSTEM 2. The detected temperature is called the room temperature. Page A EEPROM OPTION TEST Pin CHK Pin 4-way Cassette Type Indoor Unit Control Board A EEPROM OPTION TEST Pin CHK Pin Duct Type Indoor Unit Control Board Mini VRF Alarm Codes Trouble Diagnosis P16 alarm Alarm code Alarm meaning Inverter compressor overcurrent alarm Alarm conditions This alarm occurs when current trouble or current detection trouble occurs at an inverter frequency of less than 80 Hz after start when trouble judgment current is detected in the primary or secondary current, or when an instantaneous secondary current of 48 A or higher is detected. When power initially turned ON for the first time, nonvolatile memory EEPROM is not installed. View and Download Panasonic RA installation instructions manual online. Drain wiring The portion where the packing protrudes outward must Main unit be folded to the side of the lateral plate and paste it. Installing Batteries 1. Installing the Receiver Ceiling Suspended Model 1 Open the air inlet grill on the side panel, remove the 1 screw and then move it toward the front direction of the arrow and remove it. Outdoor Unit Control Panel LED Display Page 83 Mini VRF SYSTEM 4. Heating Standby In heating mode, the indoor fan speed decreases to prevent cold air discharge from the indoor unit.
Page List Of Detailed Setting Items Indoor Unit Electronic Control Valve Control Control Functions 9. Sign up! Page 88 Page E04 Error in Indoor Unit Receiving Signal from the Outdoor unit Error Detection Method When there is no communication within a 3-minute period from the outdoor unit. After fixing the panel in place, fit the receiver to the panel taking care not to trap the wire from the receiver. Handle liquid refrigerant carefully as it may cause frostbite.
Front panel Cover A Fig. Liquid New refrigerant RA cannot be used for earlier models 1. Detailed Settings Function Don't have an account? This manual is also suitable for: Ule1u6 Ule1u6 Ule1u6e Ule1u6e Smd1u6 Smf1u Are the terminal screws loose? Wired remote controller Not used. Gently insert one end of an unfolded paper clip or a similar object that can fit into the Reset hole and press the Reset button inside the hole and then put the cover back on. Reconnect and check Replace sensor Resistance between sockets is infinity or 0 ohm. Page Capacity Correction Graph According To Temperature Condition Detailed Settings Function Remote Controller Functions Setting data Item code Item Description No forced operation Forced operation for 1 minute Automatic drain pump operation Continuous operation None Ventilation fan operation Ventilation fan operated by remote controller. Inspection of Parts Outdoor Unit 1 Electronic control valve MOV1 MOV1: Measure the voltage between plug pin 5 and pins 1 through 4 at the CN-MOV1 connector 5P, white on the outdoor unit control PCB. Room Temperature Control The body sensor or remote controller sensor detects temperature in the room. Mechanical trouble A Locking intrusion of foreign objects, galling, etc. Before Requesting Service Before requesting service, please check the followings. Page 43 Mini VRF SYSTEM 8. Page 34 Error Diagnosis 1 Check the Was EEPROM replaced when PC board was replaced? Indoor unit capacity System outdoor unit address These are not set at the time of shipping from the factory. Page Simple Settings Function Mini VRF SYSTEM 1. Wiring the Receiver Wiring Diagram Indoor Unit Receiver PCB Terminal Strip for White Wiring Remote Black Controls Connections Connect the wires from the receiver to the remote control terminal strip on the indoor unit. Congratulations and thank you for choosing our Inverter split-type room air.
Congratulations and thank you for choosing our Inverter split-type room air. When cooling operation reaches a stable condition, open each valve corresponding to these procedures in the order given: Procedure 1: Open the Hi-side gauge manifold valve Procedure 2: Open the upper valve Procedure 3: Open the lower valve SERVICE MANUAL Model No. Page 89 Mini VRF SYSTEM 4. The outdoor unit is not turned on. CZ-RWSY2 1. Page 51 Mini VRF SYSTEM 3.
CZ-RWST2 1. Page 29 Mini VRF SYSTEM 3. Frost detection Frost is not detected at the outdoor unit heat exchanger for 5 minutes after operation starts. List of Servicing Functions Functions Description Button operation Reset operation Unit status Operation with Press and hold the Body sensor is used. Page 9 Check the See what happens. Connect the tube that runs Outdoor unit from the liquid tube valve to the ball valve. Operation of O sensor device Page A EEPROM OPTION TEST Pin CHK Pin 4-way Cassette Type Indoor Unit Control Board A EEPROM OPTION TEST Pin CHK Pin Duct Type Indoor Unit Control Board Inspection of Parts Outdoor Unit Page 79 Mini VRF SYSTEM 1. Replace indoor units. NOTE The operation of the air conditioner can be impacted, depending on the settings made, so only service personnel should make the settings. Advanced inverter technology provides outstanding. Page 4: Check Of Density Limit The refrigerant RAwhich is used in the air conditioner, is safe, without the toxicity or combustibility of ammonia, and is not restricted by laws imposed to protect the ozone layer. Page Operating Range Värmepumpen använder köldmedium av miljövänlig typ som heter RA och är det. Trouble with electronic detected at or CONTROL FUNCTIONS Page Emergency Operation
Detailed Settings Function Remote Controller Functions Item code Item Description Unit type Set when the indoor unit EEPROM memory is replaced during servicing. Contents of Remote Controller Switch Alarm Display Quick Links. Page 74 Mini VRF SYSTEM 3. Page List Of Detailed Setting Items