Fedders R407C manual

ISSUED ON 1 APRIL,2003 FEDDERS LARGE SPLIT UNIT (R407C) SERVICE MANUAL[...]

SECTION A: SPECIFICATIONS SECTION B: PARTS LIST AND EXPLODED VIEWS SECTION C: INSTALLATION SECTION D: TROUBLE SHOOTING SECTION E: WIRING DIAGRAM SECTION F: TECHNICAL DATA[...]

SECTION A: SPECIFICATIONS[...]

FEDDERS LARGE SPLIT (R407C) MODEL NUMBER Indoor unit E1FE418N6D EHFE418N6D E1FE424N6D EHFE424N6D Outdoor unit E1FC418N6G EHFC418N6G E1FC424N6G EHFC424N6G PERFORMANCE DATA Volts / Hz / Phase 220-240 / 50 / 1 220-240 / 50 / 1 220-240 / 50 / 1 220-240 / 50 / 1 Cooling - BTU/h (k W) 17500 (5.13) 17500 (5.13) 21500 (6.30) 21000 (6.16) Heating - BTU/h (k[...]

SECTION B: PARTS LIST AND EXPLODED VIEWS[...]

SPECIFICATIONS : INDOOR UNIT DIMENSIONS : 1020(40.15") W x 195(7.68")D x 320(12.60")H OUTDOOR UNIT DIMENSIONS : 895(35.2") W x 331(13.0")D x 623(24.6")H REFRIGERANT R CHARGE E EER GRAMS OF MODEL V BTU/h (k W) MODE Volt / Hz Amps Watts COOL R-407C E1FE418N6D - E1FC418N6G 17500 (5.13) COOL 220-240 / 50 9.8 2060 8.5 1.43 [...]

E E E E 1 H 1 H F F F F E E E E 4 4 4 4 1 1 2 2 8 8 4 4 N N N N Item 6 6 6 6 No. Description Service Part # D D D D -----CHASSIS ASSEMBLY----- 1 Lock Plate, Blower Wheel Left 36-08-00010-001 1111 2 Lock Plate, Fan Motor, Right 36-08-00020-001 1111 3 Lock Plate, Fan Motor, Left 36-08-00030-001 1111 4 Motor, Discharge Cover 36-08-00050-001 1111 5 Pla[...]

E E E E 1 H 1 H F F F F E E E E 4 4 4 4 1 1 2 2 8 8 4 4 N N N N Item 6 6 6 6 No. Description Service Part # D D D D INDOOR EVAPORATOR UNIT (R407C) MODEL NUMBER FEDDERS LARGE SPLIT -----CHASSIS ASSEMBLY(Cont')----- 24 Filter 35-16-00010-001 2222 NI 3M Purifying Filter 35-03-01460-001 1111 NI Charcoal Purifying Filter 35-03-00260-001 1111 25 Len[...]

E E E E 1 H 1 H F F F F E E E E 4 4 4 4 1 1 2 2 8 8 4 4 N N N N Item 6 6 6 6 No. Description Service Part # D D D D INDOOR EVAPORATOR UNIT (R407C) MODEL NUMBER FEDDERS LARGE SPLIT -----ELECTRICAL ASSEMBLY(Cont')----- 41 Main P.C. Board (C/O) 35-16-04160-012 1 -- 1 -- 41 Main P.C. Board Kit (H/P) 50-18-0015N-001 -- 1 -- 1 (Includes LED, Receive[...]

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E E E E 1 H 1 H F F F F C C C C 4 4 4 4 1 1 2 2 8 8 4 4 N N N N Item 6 6 6 6 No. Description Service Part # G G G G -----CHASSIS ASSEMBLY----- 1 Front Grille 35-24-05150-001 1 1 1 1 2 Front Panel (painted),Neuter 35-24-05010-083 1111 3 Fan Blade 37-24-01010-001 1111 4 Fan Motor 35-24-90000-001 1111 5 Mesh-Panel (securing) 35-08-02000-001 3333 6 Rea[...]

E E E E 1 H 1 H F F F F C C C C 4 4 4 4 1 1 2 2 8 8 4 4 N N N N Item 6 6 6 6 No. Description Service Part # G G G G MODEL NUMBER FEDDERS LARGE SPLIT UNIT OUTDOOR CONDENSER UNIT (R407C) -----REFRIGERANT ASSEMBLY(Cont')----- 16 Capillary Tube, 0.064" ID x 13" S0-02-C0002-N14 1111 17 Condenser Assembly, Inner (14FPI) 35-24-08020-002 111[...]

E E E E 1 H 1 H F F F F C C C C 4 4 4 4 1 1 2 2 8 8 4 4 N N N N Item 6 6 6 6 No. Description Service Part # G G G G MODEL NUMBER FEDDERS LARGE SPLIT UNIT OUTDOOR CONDENSER UNIT (R407C) -----PACKAGING PARTS----- 34 Carton,Neuter 35-24-00070-N01 1 1 1 1 35 EPS Pad, Top Left 35-24-00030-001 1111 36 EPS Pad, Top Right 35-24-00040-001 1111 37 EPS Tie-ba[...]

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SECTION C: INSTALLATION[...]

SPLIT TYPE AIR C ONDITIONER INS TALLATION MANUAL ® For 18,000 - 24,000 Btu C1[...]

C2 CONTENTS SAFETY PRECAUTION ........................................................................... C3 PART LISTS ................................................................................................ C4 PREPARATION OF PIPING ................................................................... C5 Pipe Length, Elevation and refrigeran[...]

C3 SAFETY PRECAUTION • We recommend that you ask a qualified technician to install your air condi- tioner in accordance with this Installation Manual . • Read this manual carefully before using your air conditione r. • All wiring must conform to local and national electrical codes . • To avoid possible electrical shock, you must ground your[...]

C4 PART LISTS A number of small parts have been packed with the indoor unit . Please check the contents of the box with the list belo w. Indoor T o Outdoor Signal Connecting Wire (For Heat- pump Model Only) Description Quantity 1 1 Remote Control 2 AAA batteries 2 Screws for Remote Control Holder 1 Remote Control Holder 6 Screws for Wall Mounting B[...]

C5 PREPARATION OF PIPING Pipe Length, Elevation and refrigerant charge Cutting The Pipe And The Cables. • Measure the distance between th e indoor and the outdoor units. • Cut the pipe length about 10% mor e than the measured distance. • Cut the electrical cable with about 2 metres more than the measured dis- tance. • Each outdoor unit come[...]

C6 Any bend in the tubing must have a minimum radius o f 100mm to Any bend in the tubing must have a minimum radius o f 100mm to prevent leakage. prevent leakage. Do not bend any section o f the tube repeatedl y . Do not bend any section o f the tube repeatedl y . Do not remove the flare nut from the tubing in the indoor unit until you Do not remov[...]

C7 INDOOR UNIT INSTALLATION • Do not install the unit near any heat source, steam source or flammable gas source . • Locate the unit in a place where it will provide cool air throughout the room. • Make sure the minimum distances from the walls and obstructions are main- tained as shown on the right. • Ensure that the unit’s airflow is no[...]

C8 Routing the drain hose and tubing • The following illustrate the different piping outlet option. Right Back Outlet If you are using the following outlet option, you must wire the indoor unit befor e attaching it to the wall bracket. • Remove the Decorative Front by removing 3 screws. • Remove it by lifting it up and the n out. Right Outlet[...]

C9 Sealing The Drain Hose And Tubing • Wrap the drain hose, tubing and elec- tric wire together with polyethylen e tape. • Wrap all exposed tubing with tap e except tubing, which will rest inside th e unit. Drain hose T ubing Polyethylene tape Use caution when bending Piping Tape Gas Pipe Insulations Drain Pipe Liquid Pipe Connecting W ire • [...]

C10 Attaching The Unit To The Wall Bracket If you are using right, left or bottom piping outlet (see page 8) you must wire th e unit before you attach it to the wall bracket. • Hook the unit to the hangers on to p of the bracket first and then press the lower left and right side of th e unit against the wall bracket until it is seated properl y. [...]

C11 Connecting The Piping To The Indoor Unit • Align the center of the pipin g and then sufficiently tighten th e flare nut with fingers, tighte n the flare nut with torque wrenc h according to the table as show n below. Flare nut Indoor unit tubing Torque wrench Spanner Pipe Size Diameter Torque (N.m) 35.6 - 44.4 9.52mm (3/8”) 15.87mm (5/8”)[...]

C12 OUTDOOR UNIT INSTALLATION At least 10cm At least 60cm At least 60cm At least 40cm At least 60cm Locating the outdoor unit • Locate the outdoor unit where the air flow around it is not obstructed . • Ensure that the base is level and does not exceed the maximum slope of 5 degrees. • Secure the unit to a base with anchor bolts to reduce vib[...]

C13 OUTDOOR UNIT INSTALLATION Installing The Outdoor Unit • Attach the Base Leg Damper by sliding the slot into the base of th e outdoor unit. • Attach the drain gasket and drai n adapter to the base pan of the unit before you secure the unit. • Fasten the unit down, referred to the mounting dimensions as shown here. 604mm 356mm Connecting Th[...]

C14 Connecting The Wires To The Outdoor Unit • Remove the Service Cover from th e unit. • Connect the wires to the terminals according to the wiring diagram show n in the wiring diagram section or at th e back of the Service Cover. • Clamp the wire to the unit with the wir e retainer. • Form a drip loop in the wire to prevent water from ent[...]

C15 VACUUMING THE PIPING & THE INDOOR UNIT Checking for gas leakage • Connect the Manifold gauge to th e outdoor unit gas line port as show n on the right . • Connect the charging cylinder to th e Manifold gauge and open the valve of the Cylinder. • Open the low pressure valve of th e Manifold gauge until the meter reads steady at about 1[...]

C16 • Unscrew the cap on the 2-way and 3-way valve. • After all lines are installed an d leak tested, set both the liqui d and gas line valves to fully ope n position with the Allen Key for the unit operation , as shown. • Reinstall the cap and torque t o the specified value under T orqu e T able on page 10. Restraining the piping • Wrap th[...]

C17 TEST RUN & CHECK Switch On The Power Supply Ensure that all the piping and wiring are connected properly and Ensure that all the piping and wiring are connected properly and securel y , before tu rning the power On. securel y , before tu rning the power On. • T urn the main switch of the unit t o On . • Operate the Indoor unit at Cool- [...]

C18 • Supply the consumer with the Operating Manual. • Demonstrate the functions of the remote control. • Demonstrate how to remove and clean the air filters. • Explain the 3 minute delay function. NOTICE TO THE CONSUMER Checking The Unit • Check all the control functions. • Check all the indicator lights. • Check that the drain hose [...]

SECTION D: TROUBLE SHOOTING[...]

D 1[...]

D 2 SYMPTOM DIAGNOSIS REMEDY Both fan & compressor not running. Fuse open or breaker tripped. Inspect and repair. Poor power plug connection. Inspect. Power failure. Inspect. Control circuit malfuction. Replace parts. Compressor does not run. Com pressor motor windings open. Replace compressor. Compressor locked. Replace compressor. Defective o[...]

SECTION E: WIRING DIAGRAM[...]

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SECTION F: TECHNICAL DATA[...]

F 1 REMOTE CONTROL AND PC BOARD FUNCTIONAL SPECIFICATIONS LARGE SPLIT UNIT (18 / 24K) The electronic air - con control system consists of : I. CONTROL SYSTEM 1) Hand - held Infra - Red transmitter with Liquid Crystal Display panel (hand held unit) 2) Receiver module consisting of : a) Main rec eiver Board b) LED Board c) Sensor Board 3) The devices[...]

F 2 II . Hand - held Transmi tter Operating Voltage : 3.0 V dc. Power Source : 2 "AAA" size batteries Battery Life Expectancy : more than 1 year Range of Transmission : at least 8m from the infrared sensor of the receiver module Angle of Transmission : 45° about normal Medium of Transmission : infrared transmission The hand - held transm[...]

F 3 h) CLOCK button Starts and stops the setting of time of the d ay. Deactivates timer function. The accuracy of the time setting must be + / - 15 second per day . i) SLEEP button Activates / deactivates sleep function j) START button Activate / deactivate ON timer k) STOP button Activates / deactivates OFF timer l) HR. button Adjusts the hour set[...]

F 4 1.1. Operation / Filter Reset Button . Operation By pushing this button, one o f the following two air - con operations are selected. a ) AUTOMATIC operation Selecting this o peration is equivalent to selecting Auto mode, auto fan speed control and auto vane function in manual operation. The set temperature is internall y fixed at 22°C and can[...]

F 5 c) Filter dirty /System Fault (red) Lights up afte r 500 hours of operation, to LED indicate that the filter requires cleansing. The Operation/F ilter reset switch should be pressed by the user to switch this LED indication off after cleansing and replacing the filter . W hen Indoor air thermistor (TH1) f ault. It blinks at approximately 30 tim[...]

F 6 3. 3 - min. compressor switch on delay The compressor is not switched on again immediately after being switched off. The air - con controller waits for 3 minutes before turning it on again to protect it. This protective measure applies throughout the operation of the air - con except on power - up. 4. 60 - second 4 - way valve delay (applicable[...]

F 7 V. Modes of Operation 1. Cool Mode The air - con contr oller lowers the room temperature in this mode. In cool mode, the indoor fan is always turned on, allowing it to run at the set speed. To stop the cool mode cycle, the compressor, outdoor fan are turn ed off, the 4 - way valve which serve s no function in this mode is still kept at off. The[...]

F 8 If the room temperature >=31 ° C, compressor off, outdoor fan off and 4 - way valve remains on, indoor fan runs according to following table: I D Room Temp., Tr Tr<=31 ° C 31 ° C<Tr<32 ° C Tr>=32 ° C ID Fan SET * LOW * Maintain current state The heating cycle starts and stops according to the result of set temperature - room[...]

F 9 VI. Temperature Control and Measurement 1. Temperature Measurement Accuracy The temperature measure ment range of the air - con controller is from - 10ºC to 60ºC. Measurement accuracy is given in the following Table: ºC + - ºC + - ºC + - ºC + - ºC + - - 10 1 1 5 1 1 20 1 1 35 1 1 50 1 1 - 9 1 1 6 1 1 21 1 1 36 1 1 51 1 1 - 8 1 1 7 1 1 22[...]

F 10 Whe n the indoor fan control is set to Auto, the fan speed is automatically selected according to the mode of operation, set temperature and room temperature. In cool mode , choosing Auto Fan will result in the following automatic fan speed selection: Room Te mperature < Set pt - 3 °C = Set pt - 3 °C = Set pt. = Set pt+ 3 °C > Set pt+[...]

F 11 V III . Vane Function 1. Vane Position HOME The vane will be at this position whenever the air - con is off. Its exact angle is 1 15 ° counter - clockwise from position 3. POSITION 1 The vane plane is positioned 70 ° counter - clockwise from position 3. cool, dry and fan modes default vane position. POSITION 2 The vane plane is 50 ° counter[...]

F 12 IX. Sleep Function Sleep function is only selectable in manual operation, but it is not available in dry and fan modes. When this function is selected, the Indoor Fan immediately runs at low speed, all timer functions will be overridden and disabled at the same time. In cool or auto - cool mode , One hour after Sleep function is selected, the [...]

F 13 X. Timer Function The start timer will switch the air conditioner ON at the start time set in the hand - held tr ansmitter, while the stop timer will switch the air - con OFF at the specified stop time. Both timers can be activated together to perform "ON - OFF - ON" or "OFF - ON - OFF" operation. The setting of the timers [...]

F 14 XI . Device Protection Measures 1. 3 - minutes compressor switch on delay The compressor is not switched on again for 3 - minutes every time after it is switched off to protect it. This restriction applies throughout the operation of the Air - con except on power - up. 2. Cool mode protection ( Low - pressure indicator) If the indoor coil ther[...]

F 15 For example, if the temperature set point is 20°C when cool mode is e ntered at a room temperature of 2 1 °C, the controller will start the cool mode cycle to cool the room. The cycle still continues when the room temperature later lowers to 20°C. It finally stops when the room temperature lowers further to 1 9 °C. If the room temperature [...]

F 16 When the indoor coil temperature reaches 10ºC or higher for 2 minutes de - icing will be terminated and normal cool mode operation resumes. However, if the coil temperature is still below 10ºC aft er 10 minutes, de - icing operation will still be terminated to resume normal cool mode operation. 40 minutes after the completion of one de - ici[...]

F 17 6. Defrosting in HEAT mode (applicable on Heat Pump Unit only) a ) Defros t starting conditions When all conditions of i ) ~ iii ) are satisfied, defrosting operation starts. i ) The indoor coil thermistor read ≤ 42 ° C ii ) The outdoor coil thermistor reads - 4 ° C o r below. iii ) The difference between the Indoor - coil Thermistor and I[...]

F 18 7. Outdoor Coil De - icing in Heat Mode (applicable on Heat Pump Unit only) The air - con controller heats up t he outdoor coil to melt the ice formed at outdoor coil. To achieve this, the compressor must be turned on, while the 4 - way valve must be turned off. During this period, the indoor fan must be switched off with exception condition a[...]

F 19 XII. Thermistor fault indication The electronic controller flashes the filter LED when a thermistor fault is detected. The filter LED blinking according to the time specif ied until the thermistor fault i s rectified. 1 . Heat Overload Protection Algorithm Large - Split Heatpump Large Split Heat Mode Protection Control Seq uence * Legend: Comp[...]

F 20 XIII. Self Test Main PCB Self - test To initiate the self - test sequence, execute the following: a) Turn on the ac. supply to the air - con. b) Press and hold the Operation / Filter reset button for 6 seconds after which you can hear 2 beep sound to indicate activation of sel f- test sequence. ( Note : When press and hold for 3 seconds, a sin[...]

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