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OPERATION MANUAL

Air Conditioner

FDQ16PY1
FDQ20PY1
FDQ16PYL
FDQ20PYL

MODELS

 • Duct Connection type

Thank you for purchasing this Daikin air conditioner.
Carefully read this operation manual before using 
the air conditioner.
It will tell you how to use the unit properly and help 
you if any trouble occurs.
After reading this manual, file it away for future 
reference.

English

01_CV1_3PR05311-1.fm  Page 1  Thursday, May 21, 2009  1:21 PM

Summary of Contents for FDQ16PY1

Page 1: ...urchasing this Daikin air conditioner Carefully read this operation manual before using the air conditioner It will tell you how to use the unit properly and help you if any trouble occurs After reading this manual file it away for future reference English 01_CV1_3PR05311 1 fm Page 1 Thursday May 21 2009 1 21 PM ...

Page 2: ...SEFUL INFORMATION FOR OPTIMUM OPERATION 13 TROUBLE SHOOTING 14 MAINTENANCE 17 AFTER SALES SERVICE AND WARRANTY 19 The operation manual attached to the outdoor unit provides information on the multi connection of indoor units Refer to this operation manual in the case of connecting a pair of units of this FDQ type model 01_CV2_3PR05311 1 fm Page 1 Tuesday May 26 2009 4 03 PM ...

Page 3: ...e unit Press it again to stop the unit Indicates the unit is under centralized control When the operation button is pressed sometimes NOT AVAILABLE will be displayed continuously for several seconds if a certain function is not available with the indoor unit When several units are running simultaneously NOT AVAILABLE will be displayed only when a certain function is not available with all indoor u...

Page 4: ... this button to carry out inspection test operation Don t press this button at ordinary times Use this button when the unit is connected to the total heat exchanger unit etc For details see the operation manual of the total heat exchanger unit OPERATION MODE SELECTOR PROGRAMMING TIME BUTTON TIMER MODE START STOP BUTTON TIMER ON OFF BUTTON INSPECTION TEST OPERATION BUTTON FOR MAINTENANCE TEMPERATUR...

Page 5: ...it breaker for fan motor This wire leads the electricity of the indoor and outdoor units to the earth to prevent an electric shock in case of current leakage See pages 1 2 Remote controller Drain pipe Earth wire Connecting wire Refrigerant pipe 01_EN_3PR05311 1 fm Page 3 Tuesday June 2 2009 3 36 PM ...

Page 6: ...is may result in electric shock fire injury or dam age to the unit Consult your local dealer regarding modification repair and maintenance of the air conditioner Improper workmanship may result in water leakage electric shocks or fire hazards Be sure to earth the unit Do not earth the unit to a utility pipe lightning conductor or telephone earth lead Imperfect earthing may result in elec tric shoc...

Page 7: ...s are not exposed directly to airflow from the unit as adverse effects may ensue To avoid oxygen depletion ensure that the room is ade quately ventilated if equipment such as a burner is used together with the air conditioner Do not wash the air conditioner with water as this may result in electric shocks or fire After prolonged use check the unit stand and its mounts for damage If left in a damag...

Page 8: ...eave the remote controller wherever there is a risk of wetting If water gets into the remote controller there is a risk of elec trical leakage and damage to electronic components Do not place objects in direct proximity of the outdoor unit and do not let leaves and other debris accumulate around the unit Leaves are a hotbed for small animals which can enter the unit Once in the unit such animals c...

Page 9: ... wires The air conditioner should be equipped with dedicated elec tric wires The indoor fan motor and the outdoor unit should be equipped with dedicated electric wires respectively Operation noise Select a location as follows for installation a where sufficient load of the air conditioner is secured and the operation noise and vibration do not expand b where the heated air from the air outlet of t...

Page 10: ...es and select the OPERATION MODE of your choice from COOLING HEATING and FAN operation STEP 2 Press button OPERATION lamp lights up and the system starts OPERATION STEP 3 Set temperature When operating at the beginning of a certain season or when changing the setting operate as desired in accordance with the instructions on the following item STEP 1 STEP 2 TEMPERATURE CAUTION If the main power sup...

Page 11: ...NGE Cooling 21 32 C 80 or below 15 32 C Heating 15 27 C 15 32 C Characteristic of the heating operation DEFROST OPERATION As the frost on the coil of an outdoor unit increases heating effect decreases and the system automatically goes into DEFROST OPERATION The hot air stops and the remote controller display shows DEFROST HOT START After 6 to 8 minutes maximum 10 minutes of DEFROST OPERATION the s...

Page 12: ...ting is completed hr or hr display changes from flashing to on hr hr STEP 1 STEP 3 STEP 2 hr hr No Display NOTE The timer can be programmed a maximum of 72 hours NOTE After the time is programmed the display shows the remaining time To cancel program timer CANCEL Press button again and the display disappears OPERATION MODE When you want to start the system after a time you desire elapses When you ...

Page 13: ...utton and set STEP 3 Press button and set hr STEP 4 Next press button and select hr STEP 5 Press button and set STEP 6 Press button and set hr Simultaneity has been completed Example When AFTER HOURS CUT OFF and AFTER HOURS TURN ON are reserved simultaneously As soon as the reservation is completed it starts counting the remaining time Example When the timer is programmed as hr and hr The system w...

Page 14: ...ngs for group control or combinations for control using 2 remote controllers by yourself Contact your Daikin dealer GROUP CONTROL SYSTEM TWO REMOTE CONTROLLER SYSTEMS 1 remote controller controls up to 16 indoor units All indoor units are equally set 2 remote controllers control one indoor unit In case of group control system one group of indoor units 01_EN_3PR05311 1 fm Page 12 Tuesday June 2 200...

Page 15: ... trouble may be invited See page 17 Do not prevent the air from blowing out by keeping the flaps of the discharge grille horizontal Otherwise the air will not blow out and trouble may be invited Cut OFF the power when you do not use the unit for a long period If power is kept ON several Watt several tens of Watt will be consumed But when you restart operation of the unit please apply the power to ...

Page 16: ...mptoms After taking the following measures contact your Daikin dealer If a safety device such as a fuse a breaker or an earth leakage breaker fre quently actuates or ON OFF switch does not properly work Turn off the main power switch If water leaks from unit Stop the operation If the display INSPECTION UNIT No and the OPERATION lamp flash and the MALFUNCTION CODE appears Report to the dealer on co...

Page 17: ...r inlet is closed too much Adjust air outlet in order to have sufficient air Cooling Heating effect is poor Blocked air inlet or air outlet of the indoor or outdoor unit Remove the obstacle The air filter is clogged Clean the air filter See page 17 Improper temperature setting See page 9 Improper air flow direction See page 13 Window or door open Close Cooling Direct sunshine Provide windows with ...

Page 18: ...nd exists Outdoor unit turns heated During the shutdown period The compressor is pre heating so that the air conditioner can start smoothly Noise of air conditioners The noise Zeeen which is generated immediately after the start of operation This kind of noise occurs after the operation of the temperature con troller The sound will be reduced in about a minute A continuous flow Shuh sound is heard...

Page 19: ...the belt NOTE Do not use gasoline benzene thinner polishing powder liq uid insecticide It may cause discoloring or warping Do not let the indoor unit get wet It may cause short circuit electric shock or fire HOW TO CLEAN THE AIR OUTLET Clean in accordance with the outlet vent specifications DAILY MAINTENANCE NOTE Heat exchanger cleaning is required in case product is used in factory or kitchen Dir...

Page 20: ...o put it back in the same position 3 Apply power When power is applied the letters on the display unit of remote controller will be displayed In order to protect the unit apply power to the unit 6 hours or more before starting operation In this way smooth start of operation is secured 1 On a clear day continue FAN OPERATION for about half a day and let the inner part dry up For details of FAN OPER...

Page 21: ...s essential to operate the air conditioner Recommendations for maintenance and inspection Since dust collects after using the unit for several years the performance will be deteriorated to some extent Technical expertise is required to remove and clean the inter nal parts so we recommend entering a maintenance and inspection contract at a cost separate from normal mainte nance Where to call For af...

Page 22: ... 0906 HT 3PR05311 1 EM09A004 01_CV1_3PR05311 1 fm Page 2 Thursday May 21 2009 1 21 PM ...

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