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Panasonic S-80MW1E5 Service Manual & Test Run Service Manual

Air-to-water indoor unit r410a
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SERVICE MANUAL & TEST RUN SERVICE MANUAL
Air-to-Water INDOOR UNIT
Indoor Unit
Type
Indoor Unit Type
W1
Air-to-Water
● Connectable outdoor unit lineup
This document is the Service Manual of the indoor unit.
For outdoor unit, refer to the Service Manual of the outdoor unit.
Type
Outdoor Unit Type
MF2
3WAY VRF System
85464849343000
Rated Capacity
80
125
S-80MW1E5
S-125MW1E5
8 hp
10 hp
U-8MF2E8
U-10MF2E8
Order No. SBPAC1509011CE
12 hp
14 hp
U-12MF2E8
U-14MF2E8
REFERENCE NO.
16 hp
U-16MF2E8
September 2015
SM830243-00

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Summary of Contents for Panasonic S-80MW1E5

  • Page 1 Air-to-Water INDOOR UNIT Indoor Unit Rated Capacity Type Indoor Unit Type Air-to-Water S-80MW1E5 S-125MW1E5 ● Connectable outdoor unit lineup This document is the Service Manual of the indoor unit. For outdoor unit, refer to the Service Manual of the outdoor unit. Type...
  • Page 2 IMPORTANT! SPECIAL PRECAUTIONS Please Read Before Starting When Wiring WARNING This Air-to-Water must be installed by the sales dealer or WARNING installer. This information is provided for use only by authorized ELECTRICAL SHOCK CAN persons. CAUSE SEVERE PERSONAL Be sure to read the installation instructions relevant to INJURY OR DEATH.
  • Page 3 When Installing… • Ventilate the room immediately, in the event that is refrigerant gas leaks during Select an installation location which is the installation. Be careful not to allow rigid and strong enough to support or contact of the refrigerant gas with a hold the unit, and select a location for flame as this will cause the generation easy maintenance.
  • Page 4 Others CAUTION WARNING • Do not touch the air inlet or the CAUTION WARNING sharp aluminum fins of the • Do not sit or step on the unit, you outdoor unit. You may get injured. may fall down accidentally. • Ventilate any enclosed areas when •...

  • Page 5: Table Of Contents

    — CONTENTS — Section 1: CONTROL FUNCTIONS-Outdoor Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 * Refer to the Service Manual of Outdoor Unit.
  • Page 6 – MEMO –...

  • Page 7: Control Functions-Outdoor Unit

    Air-to-Water Indoor Unit 1. CONTROL FUNCTIONS-Outdoor Unit * Refer to the Service Manual of Outdoor Unit. 1 - 1...
  • Page 8 – MEMO – 1 - 2...

  • Page 9: Control Functions-Indoor Unit

    Air-to-Water Indoor Unit Contents 2. CONTROL FUNCTIONS-Indoor Unit 1. Running Mode ............2-2 2.

  • Page 10: Running Mode

    1. Running Mode 2. Heating Mode Operation Air-to-Water Indoor Unit 3. Cooling Mode Operation 1. Running Mode When switching on the power for the first time after installation, it is necessary to make the initial setting. Refer to Installation Instructions. ⇒...

  • Page 11: Tank Mode Operation

    3. Cooling Mode Operation Air-to-Water Indoor Unit 4. Tank Mode Operation Thermo OFF Conditions = a and b and c a. Cooling mode b. Δ Tw(Cool) ≤ Thermo OFF margin c. Not in Force Thermo ON ΔTw ΔTw Cooling Heating Set temp Set temp Thermostat...

  • Page 12: Heating Curve Function

    Air-to-Water Indoor Unit 5. Heating Curve Function 5. Heating Curve Function This function is only for Heating mode. The Water outlet temperature is controlled automatically according to the outdoor temperature. It is possible to change the 2 points of the heating curve by the menu setting. It is possible to shift the Water outlet temperature of heating curve by the remote controller.

  • Page 13: Room Thermostat Control (Optional)

    Air-to-Water Indoor Unit 6. Room Thermostat Control (Optional) 6. Room Thermostat Control (Optional) It is possible to set the room temperature by using the Remote controller sensor or the Remote sensor. The thermostat is turned ON or OFF according to the following ΔTr, ΔTw. ΔTr (Cool) = Room temperature –...

  • Page 14: External Room Thermostat Control (Optional)

    Air-to-Water Indoor Unit 7. External Room Thermostat Control (Optional) 7. External Room Thermostat Control (Optional) It is possible to use an external room thermostat (field supply). It is necessary to set the Water outlet temperature by remote controller. If the external room thermostat inputs the Thermo OFF signal to the Air-to-Water module, the Air-to-Water module will be Thermo OFF and keeps the Thermo OFF while the signal is input.

  • Page 15: Water Pump Control

    8. Water Pump Control Air-to-Water Indoor Unit 9. Flow Switch Control 8. Water Pump Control According to the water piping length in the site, it is possible to adjust the pump speed from 7 steps during the test running for the water circuit. Be sure to confirm the water flow rate and adjust it by selecting the pump speed.

  • Page 16: Electric Heater Control

    10. Electric Heater Control Air-to-Water Indoor Unit 11. Sterilization Mode 10. Electric Heater Control The internal heater will be ON when heating capacity is not enough, especially low ambient temperature. Internal heater ON condition (auxiliary heat source) • 10 minutes from the start of operation, it is not energized. (For the first time only, 20 minutes from the start of operation, and after 10 minutes from water pump ON) •...

  • Page 17: Way Valve Control (Optional)

    Air-to-Water Indoor Unit 12. 2-Way Valve Control (Optional) 12. 2-Way Valve Control (Optional) Function of 2-Way Valve: • Allow to use the hot water to the floor heating panel or brock cold water to floor heating panel. Control contents: Conditions of 2-Way Valve OPEN When indoor unit running in heat mode When outdoor unit under defrost control When test run for water circuit...

  • Page 18: External Water Pump (Optional)

    Air-to-Water Indoor Unit 13. External Water Pump (Optional) 13. External Water Pump (Optional) When the external pump is used, be sure to install it in independent water circuit and not direct to the Air-to- Water heatpump indoor unit circuit. Air-to-Water External Pump Heatpump indoor unit External Water Pump Connection setting...

  • Page 19: External Device Ready Demand (Signal Output/Input) (Optional)

    Air-to-Water Indoor Unit 14. External Device Ready Demand (Signal Output/Input) (Optional) 14. External Device Ready Demand (Signal Output/Input) (Optional) It is possible to output and input the signal of external device. The setting of changes will be necessary when using the external device. Existence of External Device setting Code No.(DN): Disconnected...
  • Page 20 Air-to-Water Indoor Unit 14. External Device Ready Demand (Signal Output/Input) (Optional) External Device Notice (External Device Signal Input) Terminal Nos.10-11 It is possible to input the alarm signal from External Device. 24V power source is necessary even if nothing is connected. If the contact is opened continuously for 60 seconds, the icon is displayed on the remote controller.

  • Page 21: Antifreeze Control

    Air-to-Water Indoor Unit 15. Antifreeze Control 15. Antifreeze Control Water pump turns ON when ALL below conditions are fulfilled: Heatpump OFF (stand by) Water flow switch is not abnormal and water pump is not abnormal. Outdoor temperature < 3˚C or Outdoor temperature sensor is abnormal or temperature cannot get more than 3 minutes Water inlet / outlet temperature <...

  • Page 22: Troubleshooting Guide

    Air-to-Water Indoor Unit 16. Troubleshooting Guide 16. Troubleshooting Guide Alarm code Alarm meaning Remote controller communication error Alarm conditions (a and b) or (c and d) a: For 3 minutes without receiving from the remote controller For 15 minutes without receiving from system c: For 10 minutes without receiving from the remote controller d: Tank mode Possible Cause...
  • Page 23 Air-to-Water Indoor Unit 16. Troubleshooting Guide Alarm code Alarm meaning Abnormal refrigerant sensor 2 (E3) Alarm conditions A/D step is 10 steps or less (short circuit). A/D step is 1014 steps or more (open circuit). Possible Cause Faulty connector connection Faulty sensor Faulty indoor unit PCB Check...
  • Page 24 Air-to-Water Indoor Unit 16. Troubleshooting Guide Alarm code Alarm meaning Mismatched indoor unit Alarm conditions Software of outdoor unit is not corresponding to Air-to-Water module. Possible Cause Software of 3WAY system (MF2) is old version. Outdoor unit is not 3WAY system (MF2). Check In case of 3WAY system (MF2), perform the version-up of software.
  • Page 25 Air-to-Water Indoor Unit 16. Troubleshooting Guide Alarm code Alarm meaning Abnormal water flow Alarm conditions OFF state of failure Conditions 1: a and {(b and c) and d} and e a: Water pump runs for 10 minutes or more. b: Input from the flow switch is OPEN. c: Water pump tap is ”H”...
  • Page 26 Air-to-Water Indoor Unit 16. Troubleshooting Guide Alarm code Icon Alarm meaning External Device Notice Alarm conditions (f and b) and c or a and (d or e) a: External Device use Setting is not “00”. b: Input the external Device Notice（terminal OPEN） c: Continues for 60 seconds.

  • Page 27: Outdoor Unit Repair Procedures

    Air-to-Water Indoor Unit 3. OUTDOOR UNIT REPAIR PROCEDURES * Refer to the Service Manual of Outdoor Unit. 3 - 1...
  • Page 28 – MEMO – 3 - 2...

  • Page 29: Outdoor Unit Maintenance Remote Controller

    Air-to-Water Indoor Unit 4. OUTDOOR UNIT MAINTENANCE REMOTE CONTROLLER * Refer to the Service Manual of Outdoor Unit. 4 - 1...
  • Page 30 – MEMO – 4 - 2...

  • Page 31: Remote Controller Functions

    Air-to-Water Indoor Unit 5. REMOTE CONTROLLER FUNCTIONS 1. Simple Settings Function ..........5-2 2.

  • Page 32: Simple Settings Function

    Air-to-Water Indoor Unit 1. Simple Settings Function • This function is for setting central control address. When simple settings mode is engaged, operation stops at the individual indoor unit to which the remote controller for simple settings is connected. <Procedure of CZ-RTC5> Keep pressing the buttons simultaneously for 4 or more seconds.
  • Page 33 Air-to-Water Indoor Unit 1. Simple Settings Function List of Simple Setting Items Setting data Item code Item Description 0001 Central control address 1 0002 Central control address 2 0003 Central control address 3 Central control address 0064 Central control address 64 0099 No central control address set (Setting at shipment) NOTE...

  • Page 34: Detailed Settings Function

    Air-to-Water Indoor Unit 2. Detailed Settings Function <Procedure of CZ-RTC5> 20:30 (THU) START CZ-RTC5 Select the “Code no.” by pressing the Keep pressing the button. buttons simultaneously for 4 or more seconds. Change the “Code no.” by pressing the The “Maintenance func” screen appears on the button (or keeping it pressed).
  • Page 35 2WAY SYSTEM Air-to-Water Indoor Unit 2. Detailed Settings Function 2. Detailed Settings Function Remote Controller Functions List of Detailed Setting Items Setting data Item code Item Description 0030 Air-to-Water (W1) (Setting at shipment) Type 80 (Type 80) 0012 Indoor unit capacity 0016 125 (Type 125) 0001 Unit No.
  • Page 36 Air-to-Water Indoor Unit 2. Detailed Settings Function Detailed Setting Items Item code Item Description Unit type Set when the indoor unit EEPROM memory is replaced during servicing. Indoor unit capacity System (outdoor unit) address These are not set at the time of shipping from the factory. These must be set after installation if automatic address setting is not Indoor unit address performed.

  • Page 37: Detailed Settings Function For Air-To-Water

    Air-to-Water Indoor Unit 3. Detailed Settings Function for Air-to-Water Detailed settings for Air-to-Water <Procedure of CZ-RTC5> Press the button to see each menu. If you wish to see the next screen instantly, press the button. 20:30 (THU) Select “Air-to-Water settings” on the LCD display and press the button.
  • Page 38 Air-to-Water Indoor Unit 3. Detailed Settings Function for Air-to-Water Setting data Item code Item Description -020 -20˚C -019 -19˚C Outdoor temperature using internal heater 0000 0˚C * 0025 25˚C 0000 0˚C 0001 1˚C Internal Heater ON differential 0010 10˚C * 0040 40˚C 0001...
  • Page 39 Air-to-Water Indoor Unit 3. Detailed Settings Function for Air-to-Water Setting data Item code Item Description 0000 No * External Water Pump 0001 Operation signal interlocking connection 0002 Internal Water Pump interlocking (installation manual undescribed) 0005 5˚C 0006 6˚C Upper limit Cool mode setting 0019 19˚C...

  • Page 40: Remote Controller Servicing Functions

    Air-to-Water Indoor Unit 4. Remote Controller Servicing Functions ■ High-spec Wired Remote Controller CZ-RTC5 Display of “maintenance function” screen Keep pressing the buttons simultaneously for 4 or more seconds. Maintenance func 20:30 (THU) The “Maintenance func” screen appears on the 1.
  • Page 41 Air-to-Water Indoor Unit 4. Remote Controller Servicing Functions Test Run Function Operates the unit with the thermostat forced ON. <Procedure of CZ-RTC5> Keep pressing the 20:30 (THU) buttons simultaneously for 4 or more seconds. The “Maintenance func” screen appears on the LCD display.
  • Page 42 Air-to-Water Indoor Unit 4. Remote Controller Servicing Functions Sensor Temperature Display Function (displayed regardless of whether unit is operating or stopped) The procedure below displays the sensor temperatures from the remote controller, indoor unit, and outdoor unit on the remote controller. <Procedure of CZ-RTC5>...

  • Page 43: Trouble Diagnosis

    Air-to-Water Indoor Unit 6. TROUBLE DIAGNOSIS * Refer to the Service Manual of Outdoor Unit However, Refer to page 5-12 operations in the high-spec wired remote controller (CZ-RTC5) of "Sensor temperature display function". 6 - 1...
  • Page 44 – MEMO – 6 - 2...

  • Page 45: Test Run From The Remote Controller (Cz-Rtc5)

    VRF SYSTEMS Indoor Unit Air-to-Water Indoor Unit 7. TEST RUN from the remote controller (CZ-RTC5) 1. Test Run ............. . 7-2 2.

  • Page 46: Test Run

    Air-to-Water Indoor Unit Air-to-Water Indoor Unit 1. Test Run Regarding the detailed settings for the test run, refer to the service manual for each outdoor unit. If operating the high-spec wired remote controller (CZ-RTC5 is necessary, follow the procedure described below. 7-1.

  • Page 47: Auto Address Setting

    VRF SYSTEMS Indoor Unit VRF SYSTEMS Indoor Unit Air-to-Water Indoor Unit Air-to-Water Indoor Unit 2.Auto address setting 7-2. Auto address setting <Procedure of CZ-RTC5> 20:30 (THU) Keep pressing the buttons simultaneously for 4 or more seconds. The “Maintenance func” screen appears on the LCD display.

  • Page 48: Test Run For Water Circuit

    Air-to-Water Indoor Unit Air-to-Water Indoor Unit 3. Test Run for Water Circuit 7-3. Test Run for Water Circuit <Procedure of CZ-RTC5> 20:30 (THU) * You cannot perform the test run of refrigerant circuit if test run for water circuit has not been completed. * First, pour water into the water circuit.
  • Page 49 VRF SYSTEMS Indoor Unit VRF SYSTEMS Indoor Unit Air-to-Water Indoor Unit Air-to-Water Indoor Unit 3. Test Run for Water Circuit • Pump speed setup Press the button to see each menu. If you wish to see the next screen instantly, press the button.
  • Page 50 201509...

This manual is also suitable for:

S-125mw1e5U-8mf2e8U-10mf2e8U-12mf2e8U-14mf2e8U-16mf2e8

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