Page 2 - SPECIAL PRECAUTIONS; accidental injury or death.; WARNING; CAUTION
2 IMPORTANT! Please Read Before Starting This air conditioning system meets strict safety and operat-ing standards. As the installer or service person, it is animportant part of your job to install or service the system so itoperates safely and efficiently. For safe installation and trouble-free ope...
Page 3 - Check of Density Limit; The density limit of refrigerant which is used in multi air condi-; If there are 2 or more refrigerating systems in a single; For the amount of charge in this example:; N O T E; ng
2. The standards for minimum room volume are as fol- lows. (1) No partition (shaded portion) (2) When there is an effective opening with the adjacent room for ventilation of leaking refrigerant gas (openingwithout a door, or an opening 0.15% or larger than therespective floor spaces at the top or bo...
Page 4 - New; Be sure to recharge the refrigerant only in liquid form.; Material; Precautions for Installation Using New Refrigerant; Care regarding tubing
New tool? 1-2. Prevent impurities including water, dust and oxide from entering the tubing. Impurities can cause R410A refriger- ant deterioration and compressor defects. Due to the features of the refrigerant and refrigerating machine oil, theprevention of water and other impurities becomes more im...
Page 5 - Compressor specifications are different.; R22 refrigerating machine oil
5 Valve Liquid 3-2. Use R410A exclusive cylinder only. Single-outlet valve (with siphon tube) Liquid refrigerant should be recharged with the cylinder standing on end as shown. New refrigerant R410A cannot be used forearlier models 1. Compressor specifications are different. If recharging a R22 or R...
Page 6 - CONTENTS
6 IMPORTANT! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Please Read Before StartingCheck of Density LimitPrecautions for Installation Using New Refrigerant New refrigerant R410A cannot be used for earlier models 1. GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 ...
Page 8 - ns; Part name
8 Table 1-1 Outdoor Unit 1-2. Accessories Supplied See Tables 1-1 – 1-7. 1-1. Tools Required for Installation (not supplied) 1. Standard screwdriver 2. Phillips head screwdriver 3. Knife or wire stripper 4. Tape measure 5. Carpenter’s level 6. Sabre saw or key hole saw 7. Hacksaw 8. Core bits 9. Ham...
Page 9 - Field supply for suspending bolts and nuts.
9 Table 1-2 (4-Way Air Discharge Semi-Concealed) Table 1-3 (1-Way Air Discharge Semi-Concealed) Table 1-4 (Concealed Duct) Use 3/8" for suspending bolts. Field supply for suspending bolts and nuts. Part Name Fi g ure Q’ty Remark s Full-scale installation diagram 1 Drain hose 1 Hose band 1 Drain ...
Page 11 - change the size of the tubing to reduce the amount of refrigerant.
R410A di s trib u tio n joi n t APR-CHP6 8 0BA (for o u tdoor un it) APR-CHP1 3 50BA (for o u tdoor un it) APR-P160BA (for i n door un it) APR-P6 8 0BA (for i n door un it) APR-P1 3 50BA (for i n door un it) Expla n atio n of s ymbol s Di s trib u tio n joi n t (APR: p u rcha s ed s eparately) S oli...
Page 12 - Size of tubing (LO) between outdoor units; Table 1-11 Outdoor Unit Tubing Connection Size; Indoor unit ty
12 1-6. Tubing Size Table 1-9 Main Tubing Size (LA) 3 2 249,100 (7 3 .0) 26 ø7/ 8 " (ø22.22) 10 95,500 (2 8 .0) ø1/2" (ø12.7) 15 3 ,600 (45.0) 16 ø1-1/ 8 " (ø2 8 .5 8 ) ø5/ 8 " (ø15. 88 ) 1010 1610 1616 191,100 (56.0) 20 ø 3 /4" (ø19.05) ø1-1/4" (ø 3 1.75) ø 3 / 8 " (ø9.5...
Page 14 - Tube branching; in; (1) Refer to “HOW TO ATTACH DISTRIBUTION JOINT” enclosed
WARNING Always check the gas densitylimit for the room in which theunit is installed. 1-10. Check of Limit Density When installing an air conditioner in a room, it is necessary toensure that even if the refrigerant gas accidentally leaks out, itsdensity does not exceed the limit level for that room....
Page 15 - For outdoor unit
15 1-12. Optional Distribution Joint Kits See the installation instructions packaged with the distribution joint kit for the installation procedure. Table 1-18 1. APR-CHP680BA For outdoor unit (Capacity after distribution joint is 232,000 BTU/h (68.0 kW) or less.) Table 1-19 Size of connection point...
Page 17 - un
17 1-13. Example of Tubing Size Selection and Refrigerant Charge Amount Additional refrigerant charging Based on the values in Tables 1-9, 10, 11, 12 and 15, use the liquid tubing size and length, and calculate the amount of additional refrigerant charge using the formula below. = 3.93 × (a) + 2.78 ...
Page 19 - Front View; Ceilin; Front view; N OT E; ide view; char
2. SELECTING THE INSTALLATION SITE 2-1. Indoor Unit AVOID: areas where leakage of flammable gas may be expected. places where large amounts of oil mist exist. direct sunlight. locations near heat sources which may affect the performance of the unit. locations where external air may enter the room di...
Page 20 - Example of i; su; Top view
20 Fig. 2-5 Fig. 2-6 Fig. 2-7 2-2. Outdoor Unit AVOID: heat sources, exhaust fans, etc. damp, humid or uneven locations indoors (no-ventilation location) DO: choose a place as cool as possible. choose a place that is well ventilated. allow enough room around the unit for air intake/ exhaust and poss...
Page 24 - HOW TO INSTALL THE INDOOR UNIT; (3) Determine the pitch of the suspension bolts using the supplied; Note: For DC Fan Tap Change Procedure; -3. Placing the Unit Inside the Ceiling
24 X 3. HOW TO INSTALL THE INDOOR UNIT 4-Way Air Discharge Semi-Concealed Type (X Type) 3-1. Preparation for Suspending This unit uses a drain pump. Use a carpenter’s level to check that theunit is level. 3-2. Suspending the Indoor Unit (1) Fix the suspension bolts securely in the ceiling using the ...
Page 26 - terminals) inside the electrical component box.
26 X Fig. 3-9 11- 3 /16 i n . or le ss (a s s hort a s po ss ible) 33 -15/ 3 2 i n . or le ss 0 – 45° * Le ng th of su pplied drai n ho s e = 9-27/ 3 2 i n . Fig. 3-10 Upward g radie n t prohibited Fig. 3-11 Fig. 3-12 Su pport piece s Water (Approx. 0. 3 g al) Drai n pa n o u tlet Drai n a g e check...
Page 27 - Checking the unit position; If not within this range, malfunction or other trouble may result.; Flap; Removing the corner cover
27 X Air-i n take g rille Ceili ng pa n el Air-i n take g rille hi ng e 1 1 3-6. How to Install the Ceiling Panel 3-6-1. Before Installing the Ceiling Panel Checking the unit position (1) Check that the ceiling hole is within this range: 33-55/64 × 33-55/64 to 35-53/64 × 35-53/64 in. (2) Use the ful...
Page 28 - Drain tubing corner
28 X 3-6-2. Installing the Ceiling Panel After completing the wiring process, install the supplied wiring cover before installing the panel.It is not possible to install the wiring cover afterinstalling the panel.The power must be turned ON in order to change theflap angle. (Do not attempt to move t...
Page 30 - Never attempt to move the louver by hand.; Setting; Indoor unit control PCB
30 X 3-6-5. Checking After Installation Check that there are no gaps between the unit and the ceiling panel, or between the ceiling panel and the ceilingsurface. Gaps may cause water leakage and condensation. Check that the wiring is securely connected. If it is not securely connected, the auto flap...
Page 32 - -9. Placing the Unit Inside the Ceiling; (4) Lift up the indoor unit and fit the suspension bolts
32 A Ceili ng tile s Ceili ng su pport Fig. 3-34 Fig. 3-33 Fig. 3-32 3-9. Placing the Unit Inside the Ceiling (1) Use the supplied M5 or 3/16" screws (4) to attach the full-size installation diagram to the indoor unit suspension lugs, in order to obtain the ceiling opening dimensions for suspend...
Page 33 - (6) The distance between the unit and the opening of
33 A Fig. 3-37 Fig. 3-38 2-1/ 8 Sus pe ns io n bolt s T u bi ng s ide 19/ 3 2 19/ 3 2 2-1/ 8 Sus pe ns io n bolt s 25/ 3 2 25/ 3 2 25/ 3 2 Ceili ng material The indoor unit includes a drain pump. Be sure touse a level gauge and verify that the unit is level. Before inserting the ceiling material, co...
Page 34 - Do not use natural drainage.
34 A Fig. 3-41 Air bleed valve Fig. 3-43 Fig. 3-42 0 – 45° 11-1 3 /16 i n . or le ss 33 -15/ 3 2 i n . or le ss * Le ng th of su pplied drai n ho s e = 9-27/ 3 2 i n . Uphill s lope Fig. 3-44 Su pport bracket CAUTION 3-11. Checking the Drainage After wiring and drain piping are completed, use the fo...
Page 35 - pp; Checking the position of the indoor unit; (1) Check that the dimensions of the ceiling opening are
Refrigerant tubing joint (gas tube) Refrigerant tubing joint (liquid tube) Drain pipe connection (Be sure to connect the supplied flexible hose.) Inter-unit Control Wiring Power supply outlet 35 A Fig. 3-46 Route the power wiring into the indoor unit through the power inlet on the side of the unit. ...
Page 36 - Removing the intake grille; to remove the; ss
36 A Hook S crew Hi ng e I n take g rille S lide Pre ss o n the tab s with a flathead (mi nus ) s crewdriver while p u lli ng o u t the i n take g rille. S crew Removing the intake grille Slide the intake grille hooks (2 locations) in the direction of thearrow to open the intake grille. (fig. 3-49a)...
Page 38 - Screw
A 3-13-3. Wiring the ceiling panel (1) Loosen the 2 screws on the electrical component box lid, and remove the lid. (Fig. 3-57) (2) Fasten the wiring connector (7P, red) which comes out from the ceiling panel using the lead wire clamps (2 locations) on the unit. Then connect it to the connector (7P,...
Page 39 - Installation and Service; for checking and servicing the electrical system.
39 U Fig. 3-61 Fig. 3-62 I n door un it I ns pectio n acce ss 17-2 3 / 3 2 17-2 3 / 3 2 Air o u tlet d u ct fla ng e mi n . 9-27/ 3 2 mi n . 15- 3 /4 mi n . 25-19/ 3 2 22-27/ 3 2 A ( Sus pe ns io n bolt pitch) Electrical compo n e n t box Refri g era n t t u bi ng mi n . 9-27/ 3 2 Concealed Duct Typ...
Page 41 - (2) After connecting the drain piping securely, wrap the supplied
U Fig. 3-68 Fig. 3-69 Drai n ho s e ( su pplied) ( n ot su pplied) ( n ot su pplied) Packi ng ( su pplied) VP-25 Ali gn the ho s e ba n d with e n d of the ho s e, a n d ti g hte n s o that it doe s n ot co n tact the bead. Drai n a g e check s ectio n o n drai n port (tra ns pare n t) Hard PVC s oc...
Page 42 - (1) Remove 4 screws on the electrical component box and; How to read the diagram; static pressure is 7.1
42 U Fig. 3-74 I n ter- un it co n trol wiri ng Power su pply o u tlet (4) When the check of drainage is complete, open the check pin (CHK) and remount the insulator and drain cap onto the drain inspection port. CAUTION Be careful since the fan will start when youshort the pin on the indoor control ...
Page 43 - for Installation and Service
43 D Concealed Duct High-Static Pressure Type (D Type) 3-19. Required Minimum Space for Installation and Service This air conditioner is usually installed above the ceilingso that the indoor unit and ducts are not visible. Only theair intake and air outlet ports are visible from below. The minimum s...
Page 45 - Good; Mi; Not; (6) After connecting the drain piping, slowly pour water into; How to Read the Diagram; hipme
D Fig. 3-83 Fig. 3-84 Fig. 3-85 Mi n . 1- 3 1/ 3 2 i n . I ns pectio n pl ug Mi n . 3 -15/16 i n . Good Mi n . 1/100 Dow n ward g radie n t Not g ood 3-21. Installing the Drain Piping (1) Prepare standard hard PVC pipe (O.D. 1-1/4") for the drain and use the supplied drain socket to prevent wate...
Page 46 - (2) Refrigerant tubing • drain hose position
46 T Ceiling-Mounted Type (T Type) 3-24. Required Minimum Space for Installation and Service (1) Dimensions of suspension bolt pitch and unit Table 3-6 Dimen s ion Ty p e 12, 1 8 A B C 33 -21/ 3 2 3 5-5 3 /64 8 -17/64 24 44-19/64 46-29/64 8 -17/64 B C A 6-11/16 12-19/ 3 2 26-49/64 1-5/64 1-5/64 Ceil...
Page 47 - (4) Wall and ceiling side opening position; or
47 T WARNING It is important that you useextreme care in supporting theindoor unit from the ceiling.Ensure that the ceiling isstrong enough to support theweight of the unit. Beforehanging the ceiling unit, testthe strength of each attachedsuspension bolt. Fig. 3-93 Fig. 3-94 Ceili ng tile s Ceili ng...
Page 49 - Rear outlet; The drain hose is connected below the refrigerant tubing.
T CAUTION Attach so that the hose band fastener ison the side of the drain port. (Fig. 3-108) Attach the hose bands so that each isapproximately 13/64 – 63/64 in. from theend of the supplied drain hose. Good Mi n . 1/100 Do n ward g radie n t Not g ood Fig. 3-107 Power su pply o u tlet (ø1- 3 /16 &#...
Page 50 - How to carry out power supply wiring
50 T 5- 33 /64 6 3 /64 6 3 /64 1 3 /64 1 3 /64 Twi s t tie (4 tie s , su pplied) U n it drai n port Drai n ho s e i nsu latio n ( su pplied) Hard PVC pipe (eq u ivale n t to VP-20)(Field su pply) Po s itio n to fa s te n ho s e ba n d s Drai n ho s e ( su pplied) Ho s e ba n d (2 ba n d s , su pplie...
Page 51 - -31. Installing the Rear Panel onto the Wall
51 K Wall-Mounted Type (K Type) 3-29. Removing the Rear Panel from the Unit (1) Remove the set screws used to fasten the rear panel to the indoor unit during transportation. (2) Press up on the frame at the 2 locations shown by the arrows in the figure at right, and remove the rear panel. Tubing can...
Page 53 - Left or left-rear tubing
I nsu lati ng tape Refri g era n t t u bi ng Rear pa n el tab Pla s tic cover I n door a n d o u tdoor un it co nn ectio n wiri ng (3) To mount the indoor unit on the rear panel. 1. When installing the indoor unit, position the indoor unit onto the installation tabs on the upper part of the rear pan...
Page 55 - HOW TO INSTALL THE OUTDOOR UNIT; gs
(Po s itio ns where a n chor bolt s are fa s te n ed) 3 1-7/64 (I ns tallatio n hole pitch) 3 7-1 3 / 3 2 (Maxim u m dime ns io ns ) 3 5- 3 /64 (Ceili ng pa n el dime ns io ns ) 3 6-7/ 3 2 (I ns tallatio n hole pitch) 3 5- 3 /64 (Ceili ng pa n el dime ns io ns ) I ns tallatio n a n chor hole (4 – 19...
Page 56 - by
56 Fig. 4-6 Remove 2 s crew s T u bi ng cover Bottom Fro n t Remove 11 pa n el s crew s from fro n t pa n el U s e c u tti ng plier s or s imilar tool to c u t cover o u t Fig. 4-5 Indentation (4 locations) Slit hole 4-3. Routing the Tubing The tubing can be routed out either from the front or from ...
Page 57 - Material O
57 4-4. Prepare the Tubing Material: Use C1220 phosphorous deoxidized copper as described in JIS H3300, “Copper and Copper Alloy Seamless Pipesand Tubes.” (For tubes that are ø7/8" ( ø22.22 mm) or larger, use 1/2H material or H material. For all others use O material.) Tubing size Use the tubing...
Page 58 - Nitro; Work method
58 Precautions for brazingBe sure to replace the air inside the tube with nitrogen to prevent oxide film from forming during the brazing process. Be sure to use a damp cloth or other means to cool the valve unit during brazing. CAUTION 1. Be sure to use nitrogen. (Oxygen, CO 2 , and CFC must not be ...
Page 59 - ELECTRICAL WIRING
59 Control wirin g (C) Inter-unit ( b etween outdoor and indoor unit s ) control wirin g (D) Remote control wirin g (E) Control wirin g for g rou p control (F) Inter-outdoor unit control wirin g AWG #1 8 (0.75 mm 2 ) AWG #1 8 (0.75 mm 2 ) AWG #1 8 (0.75 mm 2 ) AWG #1 8 (0.75 mm 2 ) U s e s hielded w...
Page 60 - K Ty
60 5-3. Wiring System Diagram U2 U1 L2 L1 R2 R1 2 1 U2 U1 4 3 3 4 5 2 1 WHT Remote controller BLK 2 1 2 1 WHT Remote controller Group control: BLK 2 1 2 1 WHT Remote controller D A E Indoorunit (No. n) Indoorunit (No. 1) Indoorunit (No. 2) Indoorunit (No. 3) C B Outdoor unit INV unit L1L2L3 Ground G...
Page 63 - HOW TO PROCESS TUBING; Use of the Flaring Method; urrin
63 6. HOW TO PROCESS TUBING The liquid tubing side is connected by a flare nut, and the gas tubing side is connected by brazing. 6-1. Connecting the Refrigerant Tubing Use of the Flaring Method Many of conventional split system air conditioners employ the flaring method to connect refrigerant tubes ...
Page 64 - ch
64 Caution Before Connecting Tubes Tightly (1) Apply a sealing cap or water-proof tape to prevent dust or water from entering the tubes before they are used. (2) Be sure to apply refrigerant lubricant to the matching surfaces of the flare and union before connecting them together. This is effective ...
Page 65 - Three tubes arranged together
65 U n it s ide i nsu lator I nsu latio n tape (white) ( su pplied) S ealer ( su pplied) Flare i nsu lator ( su pplied) T u be i nsu lator ( n ot su pplied) Heat re s i s ta n t 24 8 °F or above Vi n yl clamp s ( su pplied) Flare nu t Fig. 6-8 Fig. 6-7 6-3. Insulating the Refrigerant Tubing Tubing I...
Page 68 - Evacuation; Required time for evacuation
68 Fig. 7-4 (4) Do a leak test of all joints of the tubing (both indoor and outdoor) and both gas and liquid service valves. Bub- bles indicate a leak. Wipe off the soap with a clean cloth after a leak test. (5) After the system is found to be free of leaks, relieve the nitrogen pressure by loosenin...
Page 70 - Before attempting to start the air conditioner, check
70 8. TEST RUN 8-1. Preparing for Test Run Before attempting to start the air conditioner, check the following. (1) All loose matter is removed from the cabinet especially steel filings, bits of wire, and clips. (2) The control wiring is correctly connected and all electrical connections are tight. ...
Page 71 - Items to Check Before the Test Run; Turn the remote power switch on at least 5 hours
YE S Make n ece ss ary correctio ns . Check the alarm co n te n t s . Check the alarm co n te n t s . T u r n OFF the i n door a n d o u tdoor un it power. NO YE S NO *1 *2 * 3 * 3 *2 CA S E 1 CA S E 2 CA S E 3 B CA S E 3 A YE S YE S NO YE S NO NO NO YE S YE S NO Recheck the item s to check before t...
Page 74 - (1) Automatic Address Setting from the Outdoor Unit; Turn ON the power to the indoor and outdoor units.
(1) Automatic Address Setting from the Outdoor Unit 1. To set the number of outdoor units, on the outdoor main unit control PCB set the No. of outdoor units DIP switch (S006) to (3 units), and set the unit No. DIP switch (S007) to (unit No. 1 – main outdoor unit). 2. On the No. 2 (sub) unit control ...
Page 77 - Heating mode
77 Automatic Address Setting in Heating Mode Indoor and outdoor unit power cannot be turned ON for each system separately. In the following, automatic setting of indoor unit addresses is not possible if the compressors are not operating. Therefore perform this process only after completing all refri...
Page 78 - Cooling mode
78 Automatic Address Setting in Cooling Mode Indoor and outdoor unit power cannot be turned ON for each system separately. In the following, automatic setting of indoor unit addresses is not possible if the compressors are not operating. Therefore perform this process only after completing all refri...
Page 79 - Display during automatic address setting; On outdoor main unit PCB
79 i s bli n ki ng LED 1 LED 2 ( : ON : Blinking : OFF) Display meaning After the power is turned ON (and automatic address setting is not in progress), no communication with the indoor units in that system is possible. After the power is turned ON (and automatic address setting is not in progress),...
Page 81 - Pump down means refrigerant gas in the system is returned
81 CAUTION This outdoor unit cannot collect more than the rated refrigerant amount as shown by the nameplate on the back. If the amount of refrigerant is more than that recommended, do not conduct pump down. In this case use another refrigerant collecting system. 8-6. Caution for Pump Down Pump down...
Page 82 - Po; Alarm; Alarm content
8-7. Meaning of Alarm Messages Table of Self-Diagnostics Functions and Description of Alarm Displays Alarm messages are indicated by the blinking of LED 1 and 2 (D72, D75) on the outdoor unit PCB. They are also displayed on the wired remote controller. Viewing the LED 1 and 2 (D72 and D75) alarm dis...
Page 83 - Co
Po ss i b le cau s e of malfunction Thermi s tor fa u lt Protectivedevice forcompre ss or i s activated I n door thermi s tor i s either ope n or dama g ed. O u tdoor thermi s tor i s either ope n or dama g ed. Low oil level. Oil s e ns or fa u lt. I n door coil temp. s e ns or (E1) I n door coil te...
Page 84 - Alarm messages displayed on system controller; and system controller.
Alarm messages displayed on system controller Indoor or main outdoor unit is not operating correctly.Mis-wiring of control wiring between indoor unit, main outdoor unit and system controller. Indoor or main outdoor unit is not operating correctly.Mis-wiring of control wiring between indoor unit, mai...
Page 85 - X ty
85 X <How to remove the filter> 1. Use a screwdriver to remove the bolt screw on each side for the two latches. (Be sure to reattach the two bolt screws after cleaning.) 2. Press on the two latches of the air intake grille with your thumbs in the direction of the arrow to open the grille. 3. O...
Page 86 - Remove the air filter attached to the air intake grille.; Bolt screws; tact your local dealer for this service.; TROUBLESHOOTING; Tips for Energy Saving; will impair the performance of the unit.
86 X 4. Remove the air filter attached to the air intake grille. Air intake grille Bolt screws Latch Safety chain Air filter Care: After a prolonged idle period Care: Before a prolonged idle period Check the indoor and outdoor unit air intakes and outlets for blockage; if there is ablockage, remove ...
Page 87 - NAME OF PARTS; A ty; Air intake
Air filter finger-hold Air filter Air intake grill Latch Air filter finger-hold Hook Screw Slide Screw *Take hold of the finger-hold on the air filter, pull it toward you. A 9-2. 1-Way Air Discharge Semi-Concealed Type (A Type) NAME OF PARTS CARE AND CLEANING S EMI-CONCEALED A ty p e (1-WAY) Air int...
Page 88 - Contact your local dealer for this service.
88 A Care: After a prolonged idle period Care: Before a prolonged idle period Check the indoor and outdoor unit air intakes and outlets for blockage; if there is ablockage, remove it. • Operate the fan for half a day to dry out the inside.• Disconnect the power supply and also turn off the circuit b...
Page 89 - Remove the air filter from the air intake grille.; CONCEALED DUCT
89 U D 9-3. Concealed Duct (High-Static Pressure) Type (U, D Type) NAME OF PARTS CARE AND CLEANING CONCEALED DUCT U type (standard static pressure) Water drain Flexible duct (optional) Canvas duct (optional) Air intake grille (air intake) (optional) Air outlet grille (optional) CAUTION WARNING 1. Fo...
Page 90 - Avoid; Should the power fail while the unit is running
90 U D TROUBLESHOOTING If your air conditioner does not work properly, first check the following points before requesting service. If it still does not workproperly, contact your dealer or a service center. Air co n ditio n er doe s n ot r un at all 1. Power fail u re. 1. After a power o u ta g e, p...
Page 91 - T type
Air intake grillfinger-hold Air filter Air intake grill Air filter finger-hold Latch Air filter finger-hold* Take hold of the finger-hold on the air filter, pull it toward you. Hook Screw Slide Screw T <How to remove the filter> 1. Take hold of the finger-hold on the air intake grille and pres...
Page 93 - ) on the display of the remote control
93 K <How to remove the filter> 1. Move the flap on the air outlet grille to its lowest position with the remote control unit. 2. The filter is disengaged by pushing the tab up gently. Hold the air filter by the tab at the bottom,and pull downward. When replacing the filter, make sure that the...
