Sanyo KS1872 manual

85264189988000 © SANY O 2006 In Canada SANY O FISHER COMP ANY SANY O Canada Inc. A DIVISION OF SANY O NOR TH AMERICA CORPORA TION 300 Applew ood Crescent, Concord 21605 Plummer Street Ontario, L4K 5C7, Canada Chats wor th, CA 91311 U .S .A. W Contents P age IMPORT ANT! Please Read Before Starting .................................. 2 1. GENERAL ...[...]

2 IMPOR T ANT! Please Read Bef ore Star ting This air conditioning system meets strict safety and operating standards. As the installer or service person, it is an impor tant par t of your job to install or service the system so it operates saf ely and efficiently . For safe installation and tr ouble-free operation, y ou must: G Carefully read this[...]

3 1. General This booklet briefly outlines where and how to install the air conditioning system. Please read ov er the entire set of instructions for the indoor and outdoor units and mak e sure all accessor y par ts listed are with the system before beginning. 1-1. T ools Required for Installation (not supplied) 1. Standard screwdriver 2. Phillips [...]

4 1-5. Additional Materials Required f or Installation 1. Refrigeration (ar mored) tape 2. Insulated staples or clamps f or connecting wire (See local codes) 3. Putty 4. Refrigeration lubricant 5. Clamps or saddles to secure refrigerant tubing 2. Installation Site Selection 2-1. Indoor Unit A V OID: G direct sunlight. G nearby heat sources that ma [...]

5 2-2. Outdoor Unit A V OID: G heat sources, e xhaust fans , etc. (Fig. 4) G damp , humid or unev en locations. DO: G choose a place as cool as possible . G choose a place that is well v entilated. G allow enough room around the unit f or air intake/ e xhaust and possible maintenance . (Fig. 5a or 5b) G provide a solid base (le vel concrete pad, co[...]

6 2-3. Baffle Plate for the Outdoor Unit (CLxx models only) It is recommended to use baffle plates f or models CL1872 and CL2472. The baffle plates are not normally required f or the other models. When the outdoor unit is installed in a position e xposed to strong wind (like seasonal winds with lo w air tempera- ture in winter), baffle plates must [...]

7 Set screw only for transportation Fig. 6 Rear panel marks Fig. 7 Left tubing Right tubing Downward tubing Right-rear tubing (recommended) Left-rear tubing Fig. 8 3. How to Install the Indoor Unit 3-1. Remove the Rear P anel from the Unit (1) Remo ve and discard the set scre w on the rear panel. (Fig. 6) (2) Press the 2 L L marks on the frame cov [...]

8 Indoor side Outdoor side Hole should be made at a slight downw ard slant to the outdoor side. NOTE Fig. 10 Plastic cover INSIDE OUTSIDE W all Slight angle PVC pipe (Locally purchased) Fig. 12 PVC pipe (Locally purchased) Cut at sli g ht an g le Fig. 11 (4) Using a sabre sa w , key hole sa w or hole-cutting dr ill attachment, cut a hole in the wal[...]

9 3-4. Remove the Grille to Install the Indoor Unit Basically , these models can be installed and wired with- out removing the grille. If access to an y inter nal par t is needed, f ollow the steps as giv en below . How to remo ve the grille (1) Grasp both ends of the air intak e grille, and remov e it by opening to wards the front and pulling to w[...]

10 3-5. Shape the Indoor Side T ubing (1) Arrangement of tubing b y direction a) Right or left tubing Cut out the cor ner of the right/left frame with a hacksa w or the like. (Figs . 20 and 21) b) Right-rear or left-rear tubing In this case, the corner of the frame need not be cut. (2) T o mount the indoor unit on the rear panel: Hang the 2 mountin[...]

11 (A)+(B) (A) P ower Suppl y Wiring Length (ft) (C) Control Fuse or Circuit AW G (B) Po wer Line Length (ft) Line Length (ft) Model (#14) (#12) (#14) Breaker Capacity C1872, C2472, CL1872, CL2472 131 (Max.) 230 (Max.) 65 (Max.) 20A 3-7. Recommended Wire Length and Diameter Regulations on wiring diameter differ from locality to locality . For field[...]

12 3-8. Wiring Instructions for Inter -unit Connections (1) Insert the inter-unit wir ing (according to local codes) into the through-the-wall PVC pipe . Run the wiring tow ard the indoor side allowing appro x. 10" (25 cm) to e xtend from the wall f ace. (Fig. 24) (2) Gr asp both ends of the air intake g rille, and remov e it by opening to war[...]

13 When connecting each power wire to the corresponding terminal, follow the instructions “How to connect wiring to the ter minal” and f asten the wire securely tight with the fixing screw of the terminal plate. How to connect wiring to the terminal a) For Indoor Unit (1) Cut the wire end with a cutting pliers, then strip the insulation to e xp[...]

14 3-9. Mounting (1) T o install the indoor unit, mount the indoor unit onto the 2 tabs on the upper par t of the rear plate. (2) Hold down the air discharge outlet and press the lower part of the indoor unit until it clicks to securely f asten to the 2 tabs on the lower part of the rear plate. (Fig. 33) F or tubing, choose either the right or left[...]

15 Hole in wall Bent part Narrow tube Wide tube Rear panel Fig. 38 Drain cap Drain hose Fig. 39 I Left-side tubing (1) Lead the tubing and drain hose through the wall, allowing sufficient length f or connection. Then bend the tubing using a tube bender to make the attach- ment. (Fig. 38) (2) Switch the drain hose and drain cap . Switching drain hos[...]

16 T o unmount indoor unit Press the 2 L L mar ks on the low er par t of the indoor unit and unlatch the tabs. Then lift the indoor unit and unmount. (Fig. 42) 3-10. Drain Hose a) The drain hose should be slanted downw ard to the outdoors. (Fig. 43) b) Ne ver f or m a trap in the course of the hose. c) If the drain hose will run in the room, insula[...]

17 4. How to Install the Outdoor Unit First ref er to Section 2. Installation Site Selection. 4-1. Wiring Instructions for the Outdoor Unit Regulations on wire size diff er from locality to locality . F or field wiring requirements, please ref er to your local elec- trical codes. Make sure that the installation fully complies with all local and nat[...]

18 5. Refrigerant T ubing 5-1. Use of the Flaring Method Many of the con v entional split system air conditioners emplo y the flaring method to connect refr igerant tubes which run between indoor and outdoor units. In this method, the copper tubes are flared at each end and connected with flare nuts. 5-2. Flaring Procedure with a Flare T ool (1) Cu[...]

19 5-4. Connecting T ubing between Indoor and Outdoor Units a) Tightly connect the indoor side refrigerant tubing exten- ded from the wall with the outdoor side tubing. (Fig. 52) b) T o f asten the flare nuts, apply specified torque as: T able 6 5-5. Insulation of Refrigerant T ubing T o pre v ent heat loss and wet floors due to dripping of con- de[...]

20 6. Air Purging Air and moisture remaining in the refrigerant system hav e undesirable eff ects as indicated below . Theref ore, they m ust be purged completely . G pressure in the system rises G operating current rises G cooling (or heating) efficiency drops G moisture in the air ma y freeze and b lock capillary tubing G water ma y lead to corro[...]

21 (5) With the v acuum pump still r unning, close the “Lo” knob of the manif old valv e. Then stop the v acuum pump . (6) With the accessory hex wrench, turn the valv e stem on the narrow tube service valv e counter-clockwise by 90 deg rees (1/4 tur n) f or 10 seconds, and then turn the stem clockwise to close it again. (Fig. 58) (7 ) Leak tes[...]

22 How to T est Run the Air Conditioner After turning on power to the air conditioner , use the remote controller and f ollow the steps belo w to conduct the test run. (1) Set the remote controller in T est Run mode. (Fig. 59a) a) Press and hold the ION button. b) Then press and hold the 1HR TIMER button. c) At the same time , press the A CL (reset[...]

23 I Pump Down Pump down means collecting all refrigerant gas in the system back into the outdoor unit without losing an y of the gas. Pump do wn is used when the unit is to be mov ed or before servicing the refr igerant circuit. Pump Down Pr ocedure Be sure to carry out pump down with the unit in cooling mode. (1) Connect the Lo side charging hose[...]

24 7 . Remote Control Unit Installation P osition The remote control unit can be operated from either a non-fix ed position or a wall-mounted position. T o ensure that the air conditioner operates correctly , do not install the remote control unit in the f ollowing places: G In direct sunlight G Behind a cur tain or other place where it is cov ered[...]

25 8. Address Switch 8-1. Address Setting of the Remote Contr ol Unit The address can be set in order to pre vent interf erence between remote controllers when two San yo indoor units are installed near each other . The address is nor mally set to “A. ” T o set a different address, it is necessary to change the address on the second remote cont[...]