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Pioneer KFDH075UW, Technical Manual

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Pioneer KFDH075UW Technical Manual Download Page 4

Refrigeration Schematic Diagram

Refrigeration Schematic Diagram

Operation Limit

Operation Limit

Dry bulb             Wet bulb

TXV

(field installed)

Sight

glass

Filter 

drier

     Scroll
Compressor

Access

Valve

Access

Valve

High Pressure

    Switch

Low Pressure

    Switch

Heat Exchanger     (Outdoor)

Heat Exchanger        (Indoor)

Discharge

Cooling Operation

** For working conditions below 20 deg C head pressure control shall be installed
 (Eg , Fan speed Controller , Field installed)

Caution: 

Ambient temperature  deg C

Indoor    
Maximum                                  35                         21
Minimum                                   19                         14

Outdoor                                      
Maximum                                  43                          -
Minimum                                   20**

Summary of Contents for KFDH075UW

Page 1: ...Technical Manual Split System Cooling Only KODH TMES 2013 KFDH 075 200 075 100 125 150 200 075 100 125 150 ...

Page 2: ...e 6 Fan Performance Table 7 Sound Data 8 Unit Dimension 9 10 11 Installation Indoor unit installation 12 13 Outdoor unit installation 14 Refrigerant piping connection 14 16 Refrigerant Charging 17 18 31 Electrical Wiring Controller Operation Service and Maintenance 32 Trouble Shooting 1 stage controller 19 21 2 stage controller 22 29 Phase Protector 30 ...

Page 3: ...ss galvanized steel c w internal epoxy polyester resin coating The drain pan is sloped towards the drain pipe with a 2 deg gradient The drain pan has one 3 4 inch to 1 1 4 inch male pipe thread BT connection The standard insulation material is 10mm thickness 25kg m density PE foam 3 Flat type design which allows maximum utilization of storage and container loading Modular design allows minimum spa...

Page 4: ...Compressor Access Valve Access Valve High Pressure Switch Low Pressure Switch Heat Exchanger Outdoor Heat Exchanger Indoor Discharge Cooling Operation For working conditions below 20 deg C head pressure control shall be installed Eg Fan speed Controller Field installed Caution Ambient temperature deg C Indoor Maximum 35 21 Minimum 19 14 Outdoor Maximum 43 Minimum 20 ...

Page 5: ...t Dimension Double Skin Unit Weight Condensate Drain Pipe OUTDOOR UNIT Air Flow Unit Dimension Weight Connection Braze Type 1 stage 1 stage Insulation Diameter X Length mm Index of Protection Insulation Power Source V Ph Hz Capacitor μF 10 10 12 12 Rated Running Curre A 2 0 2 0 2 0 2 0 3 4 4 7 6 2 Rated Output Power W 250 250 315 315 1500 2200 3000 Tube Material Size mm in Fin Material Thickness m...

Page 6: ...2 0 21 9 20 4 19 36 2 26 4 33 5 25 2 30 8 23 9 29 0 23 2 25 5 21 5 22 3 20 0 20 37 8 25 7 35 0 24 5 32 2 23 2 29 1 21 8 2 8 20 8 23 1 19 3 21 39 4 25 0 36 5 23 8 33 6 22 5 30 5 21 0 27 8 20 0 24 3 18 5 22 40 9 24 3 38 1 23 0 35 1 21 7 31 9 20 3 29 1 19 1 25 5 17 6 23 42 7 23 7 39 6 22 3 36 5 21 0 33 3 19 5 30 4 18 3 26 7 16 7 24 44 3 23 0 41 1 21 6 38 0 20 2 34 6 18 7 31 7 17 5 27 9 15 9 20 37 8 2...

Page 7: ...5 9 58 2 26 5 53 3 26 8 48 8 27 5 43 1 28 2 27 30 43 20 24 20 25 30 35 40 ID D B C ID W B C O utdoor D B C TC kW S C kW TC kW S C kW TC kW S C kW TC kW S C kW TC kW S C kW TC kW S C kW 15 56 4 31 9 53 7 30 0 51 0 28 2 48 0 26 1 45 5 24 5 42 2 22 3 16 61 6 31 0 57 9 29 0 54 3 27 1 50 4 24 9 47 0 23 2 42 6 20 8 16 61 6 41 7 57 9 39 8 54 3 37 8 50 4 35 6 47 0 33 9 42 6 31 5 17 66 7 40 9 62 2 38 8 57 ...

Page 8: ...FDH075UW 250Watt X 2 AIR FLOW CMH CFM Low Medium High Fan Speed 700 400 1350 800 2050 1200 2700 1600 3400 2000 4100 2400 4750 2800 ESP Pa 350 300 250 200 150 100 50 KFDH100UW 350Watt X 2 AIR FLOW CMH CFM 1350 800 2050 1200 2700 1600 3400 2000 4100 2400 4750 2800 5450 3200 3600 400 ...

Page 9: ...24 SPZ 1 300 1063 4 160 224 SPZ 1 400 1140 5 5 170 224 SPZ 2 100 953 4 150 224 SPZ 1 200 1027 4 160 224 SPZ 1 300 1100 5 5 170 224 SPZ 2 5400 5400 ESP Pa Model Air Flow CFM CMH Motor Power Pulley Size Motor Pulley Size Blower Type Qty KFDH150UW 100 712 1 5 80 160 SPZ 1 200 841 1 5 90 150 SPZ 1 300 958 1 5 90 140 SPZ 1 400 1064 2 2 100 140 SPZ 1 500 1161 2 2 112 140 SPZ 1 100 751 1 5 80 150 SPZ 1 1...

Page 10: ... KFDH 075UW KFDH 100UW Model Connection 1 1 Octave Sound Pressure Level dB ref 20uPa Overall dBA Sound pressure measuring point is 1 4m below the unit surface unit is ducted with 3m discharge air duct Sound Pressure Level Sound Pressure Level 125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz 66 61 67 63 64 64 62 54 48 5 39 KODH100UW 67 5 KODH075UW 65 68 66 63 55 5 49 41 66 70 66 63 56 50 41 67 63 72 68 66 5 6...

Page 11: ...100UW Model KFDH125 150 200UW 476 C Control Box 20 A B 20 885 35 412 255 773 850 130 38 745 38 74 Drain Pipe 1 φ15 1502 20 53 1268 81 20 396 1402 973 297 80 562 71 437 60 761 605 96 25 214 40 Model 125 150 200 A 1600 2854 B 1541 1975 C 1376 1630 ...

Page 12: ...id line 75 1 2 100 125 150 5 8 Gas line 75 100 1 1 8 125 150 1 3 8 Control Box Wiring Hole Liquid line Gas line Condenser Control Box Wiring Hole Liquid line Gas line Condenser Model KODH200UW Liquid line 5 8 Gas line 1 1 8 75 100 125 1000 1085 150 1287 1372 Model ...

Page 13: ...sate water Trap shall be installed See figure Make sure no leak at the connecting joint Trap Insulate the drain pipe to avoid water condensation Service space Min 800mm Make sure sufficient space for service and maintenance see figure Select a location where air can be distributed to all corners of the room Make sure no obstruction to return and dischage air Avoid installation at the following loc...

Page 14: ... for protection if necessary e A place where the hot air discharge and operating sound level will not annoy the neighbours f A place must not be susceptible to dust or oil mist or other corrosive chemicals Caution If the condensing unit is operated in an atmosphere containing oils including machine oils salt coastal area sulphide gas near hot spring oil refinery plant corrosive chemicals etc may l...

Page 15: ...nt the imbalance of the unit when lifting Unit Support Slab curb Absorber Unit shall be placed on a secured base on slab curb or steel frame Absorber should be installed to absorb the unit vibration during operation Belt shall be used for lifting the unit properly tied the belt to the holes use shackles to tighten the belt Make sure the belt strenght is able to withstand the unit weight ...

Page 16: ...tal equivalent length 35M Max bends 8 For operation safety accumulator is recommended to be added for any installation more than 30m in length length Field Charging Refrigerant Handling Scroll compressors have a very high volumetric efficiency and quickly pump a deep vacuum if there is insufficient refrigerant in the system or if refrigerant is added too slowly Low suction pressure will lead to hi...

Page 17: ...d at the compressor suction Suction and discharge pressures must be monitored carefully during the charging process Additional Chage Based on liquid pipe size per meter length Liquid line size kg 1 2 0 10 5 8 0 17 3 4 0 26 7 8 0 37 Above is the recommendation actual charge level may be different due to the different application and ambient condition Refrigerant R410A special precaution R410A is HF...

Page 18: ...ust be taken to ensure optimum and trouble free system operation a During installation or servicing avoid prolong exposure of the internal part of the refrigerant system to moist air Residual POE oil in the piping and components can absorb moisture from the air b Ensure that the compressor is not expose to open air for more than the recommended time specified by its manufacturer typically less tha...

Page 19: ...must be properly GROUNDED a b c d e Power supply Circuit Breaker field supply Power supply wiring for unit indoor unit outdoor unit Wired remote controller f Unit interconnecting wire b c h PE d g Earth h f a a b c h PE e g Note 75 100 c No of wire CC CX LP CC CX TB2 C Blue Brown Brown 1 5 OLP 95 96 OLP MF2 CC MC 1 2 3 CH HP PP PP Fuse3 15A TB1 L3 L1 L2 N E LIVE COMP X1 X2 X3 HI MED LOW HANDSET N1...

Page 20: ...COMP2 INDOOR LIVE NEUTRAL TR DI 02 DI 06 12V COM DI 04 CH1 CH2 TB4 A 1C TB3 1 TB3 A TB3 2 1 2 TB4 2C CC2 WHITE RED BLACK TB1 L3 L1 L2 MC2 MC1 CC2 CC1 OLP1 OLP2 N Neutral OFC pp MF1 IDF OLPF TB2 L3 L1 L2 N IFC CC1 CC2 PP OLP2 LP2 HP2 OLP1 LP1 HP1 TB3 1C TB3 2C CC1 OUTDOOR OLPOF OLPF MF2 MF3 OFC CC1 CC2 CIRCUIT BREAKER h g g TIM HIGH LO W M ED TEM P AUTO DRY FAN M O DE CO O L O N O FF FAN HEAT f Rec...

Page 21: ...m will retrieve the most recent settings and system status from the non volatile memory as below a Mode e Key lock status b Set temperature㸦F or C㸧 f System status㸦On Off㸧 c Fan speed g Temperature display option d Sleep The above setting can be changed via wired control panel or remote handset The latest settings will be recorded into the memory Should the data in the non volatile memory were inv...

Page 22: ...ror code will be shown one after another 13㸧 Off mode All output are off during system off state except indoor fan which are subject to the minimum operating time guard where applicable 6㸧Compressor protection a Comp restart protection 1 3 minutes protection 2 Hardware Anti short cycle timer Should the power supply is cut off and resume compressor 3 minutes protection control logic is as below 7㸧T...

Page 23: ...hould there be no further key press it will revert to normal mode Should Timer key is not released timer setting will incremented automatically every 0 5S TIM ER SLEEP HIGH LO W M ED TEM P AUTO DRY FAN M O DE CO O L O N O FF FAN HEAT g Key lock Hold down Temp Down and Mode keys for 3S to activate key lock mode similarly to unlock In key lock mode the following keys are valid㸸 1 On Off to turn on o...

Page 24: ...3 IDQ PRWRU RSHQ LQGRRU IDQ FDQ QRW EH WXUQHG RQ DQG V VWHP HQWHUV VWDQGE PRGH On cycle completed 12 RRO PRGH RQ VHTXHQFH 5HPDUNV DOO SDG RQ WHUQDO LQWHUORFN UHPRWH RQ RII FRQWDFW FORVH 6KRXOG WKH FRQWDFW LV RSHQHG V VWHP HQWHU LQWR VWDQGE PRGH 7XUQ RQ LQGRRU IDQ GHOD VHF I WKHUH EH LQGRRU IDQ IDLOXUH 2 3 IDQ PRWRU RSHQ LQGRRU IDQ FDQ QRW EH WXUQHG RQ DQG V VWHP HQWHUV VWDQGE PRGH KHFN UHWXUQ DLU ...

Page 25: ...D VHF 2II LQGRRU IDQ 2II F FOH FRPSOHWH 2 Wallpad 2 1 Wallpad Dimension Figure 1 Figure 1 22 Button key Description Details refer to operation guide Figure 2 Figure 2 DAY Set day of week TIME Adjust clock CLOCK Set clock CANCEL Cancel timer TIMER Set on off timer MODE Set operation mode SET Set parameter DISPLAY Browse temperature SELECT Menu selection RESET Reset fault TiO2 TiO2on off 120mm 88mm ...

Page 26: ... on timer setting mode this symbol and D symbol flashing In none on timer setting mode this symbol will light up should be unexecuted on timer for the current day H Clock display In temperature browsing mode it shows the temperature being searched In parameter setting mode it shows the set parameter I It shows the error code if there is system failure It shows the menu number in temperature browsi...

Page 27: ...IMER button will activate this timer If there is time being displayed it means the current timer is already activated Press TIME button to adjust the timer setting Press CANCEL button will cancel this setting and the display will be shown as b Press TIMER button again On symbol is off while timer and Off symbols flashing system is now in on timer setting mode The day display section shows the day ...

Page 28: ...ewise to exit keylock mode Only button will be responded in keylock mode 2 4 10 Key Validity There are some buttons that will be acknowledged in certain function only The valid key press will be responded with the beeping sound 2 4 11 Parameter Setting In normal mode press SET button for 5 sec to enter into parameter setting menu Press SELECT button the select the menu Press or button to edit the ...

Page 29: ...ailure auto reset Display error resume upon recovered default at 26degC check sensor connection 3 Indoor coil 1 sensor failure auto reset Display error system continue to operate bypassed anti freeze check sensor connection 4 Indoor coil 2 sensor failure auto reset Display error system continue to operate bypassed anti freeze check sensor connection 5 Indoor coil 3 sensor failure auto reset Displa...

Page 30: ...cooling power off to reset same as 9 Note 1 Failure of any circuit will not affect the operation of other circuits 2 During system failure press RESET button for 3 sec to reset the fault same as 8 same as 7 same as 8 same as 9 same as 7 Outdoor unit 3 power protection compressor 3 high low pressure trip manual reset comp overload trip Outdoor unit 4 power protection compressor 4 high low pressure ...

Page 31: ...HWWLQJ ದ 9 ಯ ರ ದ RII ಯ ರ RQ 8SRQ SRZHU XS WKH FRQWUROOHU ZLOO EOLQN WKH UHG TXLFNO LQGLFDWLQJ DW ZDUP XS VWDJH 7KLV SURFHVV PD WDNH D IHZ VHFRQGV a VHF GHSHQGV RQ WKH YROWDJH VXSSO DQG PRQLWRU VHWWLQJV 5HG ZLOO EH RII RQFH WKH SRZHU VXSSO LV VWDEOH UHHQ DQG UHOD ZLOO WXUQ RQ VHF ODWHU 6KRXOG WKH FRQWUROOHU LV XQDEOH WR UHDG WKH KHDOWK SKDVH VXSSO DIWHU VHFRQGV LW ZLOO ORFN WKH HUURU DQG IODVK WKH ...

Page 32: ...WLPHV RII VHF 3KDVH UHYHUVDO OLQN WLPHV RII VHF KHQ RQH RI WKH HUURU RFFXU FKHFN WKH SRZHU VXSSO DQG VXSSO ZLUH FRQQHFWLRQ WR WKH XQLW 87 21 2 127 1 7 5 326 7 21 6 25 1 211 7 1 7 21752 5 76 RU HJ ZLUH IURP 7 WR 33 LVSOD HUURU FRGH RQ WKH ZDOO SDG UHIHU U 2WKHU 3URWHFWLRQ HYLFH 2YHU FXUUHQW SURWHFWRU 2 3 LJK SUHVVXUH VZLWFK DQG ORZ SUHVVXUH VZLWFK DUH LQVWDOOHG IRU FRPSUHVVRU SURWHFWLRQ KHQ DFWLYDW...

Page 33: ...gn matters etc Tighten the wires onto the terminal block if necessary Drain pan pipe Check its cleanliness and clean it if necessary Once every 3 months Fan Motor Check for any abnormal noise Only when necessary Power supply Every 2 months Air Filter External panel surface Once every 2 weeks More frequently if necessary Once every 2 weeks More frequently if necessary Coil Monthly Warning Caution D...

Page 34: ... blockage on outdoor unit ii outdoor fan motor malfunction iii refrigernat overcharge iv outdoor ambient above operating limit Check if any i refrigerant gas leakage c Low pressure switch open d comp overload protector open The unit is just started the cooling mode Wait for a while High infiltration through door windows Close the door windows Low refrigerant level check suction discharge pressure ...

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