Page 3 - SECTION A: SPECIFICATIONS
Page 5 - SECTION B: PARTS LIST AND EXPLODED VIEWS
Page 20 - SECTION C: INSTALLATION
Page 22 - CONTENTS
C2 CONTENTS SAFETY PRECAUTION ........................................................................... C3PART LISTS ................................................................................................ C4PREPARATION OF PIPING ...............................................................
Page 23 - SAFETY PRECAUTION
C3 SAFETY PRECAUTION • W e r e c o m m e n d t h a t y o u a s k a q u a l i f i e d t e c h n i c i a n t o i n s t a l l y o u r a i r condi- t i o n e r i n a c c o r d a n c e w i t h t h i s I n s t a l l a t i o n M a n u a l . • R e a d t h i s m a n u a l c a r e f u l l y b e f o r e u s i ...
Page 24 - PART LISTS; Description
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 below. Indoor To 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 Rem...
Page 26 - Flaring of pipe; Removing burrs
C6 Any bend in the tubing must have a minimum radius of 100mm to Any bend in the tubing must have a minimum radius of 100mm toprevent leakage. prevent leakage.Do not bend any section of the tube repeatedly. Do not bend any section of the tube repeatedly.Do not remove the flare nut from the tubing in...
Page 28 - Routing the drain hose and tubing; Removing The Decorative Front
C8 Routing the drain hose and tubing • T h e following illustrate the different piping outlet option. Right Back Outlet If you are using the following outlet option, you must wire the indoor unit before a t t a c h i n g it to the wall bracket. • Remove the Decorative Front by removing 3 screws. • R...
Page 29 - Sealing The Drain Hose And Tubing; INDOOR UNIT INSTALLATION
C9 Sealing The Drain Hose And Tubing • Wrap the drain hose, tubing and elec- t r i c w i r e t o g e t h e r w i t h p o l y e t h y l e n e tape. • Wrap all exposed tubing with tape e x c e p t t u b i n g , w h i c h w i l l r e s t i n s i d e t h e unit. Drain hose Tubing Polyethylene tape Use c...
Page 31 - Connecting The Piping To The Indoor Unit; Pipe Size; Torque Table
C11 Connecting The Piping To The Indoor Unit • A l i g n t h e c e n t e r o f t h e p i p i n g a n d t h e n s u f f i c i e n t l y t i g h t e n t h e f l a r e n u t w i t h f i n g e r s , t i g h t e n t h e f l a r e n u t w i t h t o r q u e w r e n c h according to the table as shown below...
Page 34 - Connecting The Wires To The Outdoor Unit; For Flat Type; OUTDOOR UNIT INSTALLATION
C14 Connecting The Wires To The Outdoor Unit • R e m o v e t h e S e r v i c e C o v e r f r o m t h e unit. • C o n n e c t t h e w i r e s t o t h e t e r m i n a l s a c c o r d i n g t o t h e w i r i n g d i a g r a m s h o w ni n t h e w i r i n g d i a g r a m s e c t i o n o r a t t h eback ...
Page 37 - Switch On The Power Supply
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 andsecurely, before turning the power On. securely, before turning the power On. • Tu r n t h e m a i n s w i t c h o f t ...
Page 39 - SECTION D: TROUBLE SHOOTING
Page 42 - SECTION E: WIRING DIAGRAM
Page 47 - SECTION F: TECHNICAL DATA
Page 48 - CONTROL SYSTEM; (applicable on Heat Pump Unit
F1 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 receiver Board b)...
Page 49 - Hand-held Transmitter
F2 II. Hand-held Transmitter Operating Voltage : 3.0 Vdc. 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 : inf...
Page 50 - III. Receiver Module; Power Relay Contact Ratings:; Main Receiver Board
F3 h) CLOCK button Starts and stops the setting of time of the day. 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 / deactivat...
Page 51 - RFI Filter; LED Board; Lights up when power on.
F4 1.1. Operation / Filter Reset Button. Operation By pushing this button, one of the following two air-con operations are selected. a) AUTOMATIC operation Selecting this operation is equivalent to selecting Auto mode, auto fan speed control and auto vane function in manual operation. The set temper...
Page 52 - Infra Red Sensor Board; Operations of the electronic controller; ON
F5 c) Filter dirty/System Fault (red) Lights up after 500 hours of operation, to LED indicate that the filter requires cleansing. The Operation/Filter reset switch should be pressed by the user to switch this LED indication off after cleansing and replacing the filter. When Indoor air thermistor (TH...
Page 54 - Modes of Operation; Room Temperature
F7 V. Modes of Operation 1. Cool Mode The air-con controller 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 turned off, the 4-way valve which serves no funct...
Page 59 - Sleep Function; In cool or auto-cool mode; Actions of Sleep function in cool mode; In heat or auto-heat mode; , one hour after Sleep; Actions of Sleep function in heat mode
F12 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 , ...
Page 60 - Timer Function; STOP
F13 X. Timer Function The start timer will switch the air conditioner ON at the start time set in the hand-held transmitter, 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" opera...
Page 61 - Device Protection Measures; cool, heat and dry modes
F14 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-pressu...
Page 63 - Indoor Coil De-icing in cool mode
F16 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 after 10 minutes, de-icing operation will still be terminated to resume normal cool mode operation. 40 mi...
Page 64 - Defrosting in HEAT mode
F17 6. Defrosting in HEAT mode (applicable on Heat Pump Unit only) a) Defrost 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 or below. iii) The difference betwee...
Page 66 - Large Split Heat Mode Protection Control Sequence *
F19 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 specified until the thermistor fault is rectified. 1. Heat Overload Protection Algorithm Large-Split Heatpump Large Split Heat Mode...