Contents - service manual
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- What Is in This Chapter?
- FCQ71D
- FCQ100, 125, 140D
- FFQ25, 35, 50, 60B
- FBQ35, 50B
- FBQ60, 71B
- FBQ100, 125B
- FHQ35, 50B
- FHQ60, 71B
- FHQ100B
- FHQ125B
- FUQ71B
- FUQ100, 125B
- FAQ71B
- FAQ100B
- FDEQ71, 100B
- FDEQ125B
- specifications
- technical specifications
- Indoor Piping
- Pipe Connection Diameters
- FCQ35, 50, 60B
- FCQ71, 100, 125B
- FCQ71, 100, 125, 140D
- FBQ35, 50, 60B
- FBQ71B
- FDQ125, 200, 250B
- FHQ35, 50, 60B
- FHQ71, 100, 125B
- FUQ71, 100, 125B
- FDEQ71B
- FDEQ100B
- FCQ35, 50, 60, 71B
- FCQ100, 125B
- FCQ71, 100, 125 140D
- FBQ35, 50, 60, 71, 100, 125B
- FHQ35, 50, 60, 71, 100, 125B
- FDEQ71, 100, 125B
- FBQ35, 50, 60, 71B & FDEQ71B
- FBQ100, 125B & FDEQ100, 125B
- Simulated Operation Function
- functions of thermistors
- outdoor unit identification function
- restart standby
- automatic restart
- forced thermostat off
- freeze prevention function
- pmv control
- thermostat control
- drain pump control
- Condensation Avoidance Control
- Draft Avoidance Control 1
- Fan and Flap Operations
- Indoor Unit Fan Control
- Additional Checks for Troubleshooting
- What Is in This Chapter
- General Troubleshooting Flowchart
- Overview of General Problems
- equipment does not operate
- equipment operates but does not provide heating
- equipment discharges white mist
- equipment produces loud noise or shakes
- equipment discharges dust
- swing flap does not operate
- Procedure of Self-Diagnosis by Remote Controller
- Fault-diagnosis by Wired Remote Controller
- Troubleshooting by LED Indications on the Indoor Unit
- Troubleshooting by Remote Controller Display / LED Display
- system malfunctions
- Overview of the Indoor Safety Devices
- Malfunctioning Indoor PCB ..............................................................(A1)
- Malfunction of Drain Water Level System ........................................(A3)
- Malfunctioning Drain System .......................................................... (AF)
- Thermistor Abnormality ...................................................... (C4, C5, C9)
- Malfunctioning Remote Controller Air Thermistor ............................ (CJ)
- Malfunctioning of Moisture Sensor System..................................... (CC)
- Malfunction of Transmission between Indoor and Outdoor Unit (U4 or UF)
- Malfunction of Transmission between Indoor Unit and Remote Controller (U5)
- Malfunction of Transmission between MAIN Remote Controller and SUB Remote Controller (U8)
- Malfunctioning Field Setting Switch ................................................ (UA)
- Centralized Address Setting Error ..................................................(UC)
- Indoor Unit: Checking the Power Supply Wave Form
- Test Run Checks
- Setting the Wireless Remote Controller
- How to Change the Field Settings with the Wired Remote Controller
- Overview of the Field Settings on the Indoor Units
- Overview of the Factory Settings on the Indoor Units
- Setting the Ceiling Height
- Setting the Filter Counter
- setting the centralized group no
- The Field Setting Levels
- 3 Test Run and Operation Data
- General Operation Data
- removal of humidity sensor and air temperature thermistor
- removal of heat exchanger temperature thermistor
- removal of horizontal vane
- installation of drain pump
- replacement of heat exchanger thermistor
- replacement of heat exchanger
- replacement of pc board
- removal of electrical parts and pc boards
- removal of fan bearing
- removal of bottom panel and drain pan
- removal of fan
- removal of air flow control blade
- removal of front grille
- removal of electrical box
- removal of electrical parts box
- removal of swing louvre unit
- removal of fan rotor
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General Outline ESIE05-041–12 Part 1 – System Outline311451.6 FFQ25, 35, 50, 60BOutlook anddimensionsThe illustration below shows the outlook and the dimensions of the unit (mm).Suspension bolt(Suspension position)NOTES:1. Location of unit’s name platefor indoor unit : on the bell mouth inside suction grillfor decoration panel : on the inner frame inside suction grill2. In case of using wireless remote controller, this position will be a signal receiver.Refer to the drawing of wireless remote controller for detail.3. When the temperature and humidity in the ceiling exceed 30°C and RH 80% orthe fresh air is inducted into the ceiling or the unit continues 24 hour operation,an additional insulation (thickness 10mm or more of glasswool or polyethyleneform) is required.4. Though the installation is acceptable up to maximum of 910mm square ceilingopening, keep the clearance of 35mm or less between the main unit and theceiling opening so that the panel overlap allowance can be ensured.A ARROW VIEWB ARROW VIEWAdjustableor less(Ceiling opening space)(Note 2)Drain connection sidePipe connection sideOutdoor air intake(Direct connection)Ceilinghole(Suspension position)(Ceiling opening space)or less or less(Note 4).(Required space)or moreFrom the floor sideor moreFOR HEIGHT INSTALLATION*WHEN THE DISCHARGE GRILL IS CLOSE, THEREQUIRED SPACE IS 200 mm OR MORE.or more*or more*or more*or more*•REQUIRED SPACEor more
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