Sanyo KMHS1872 manual

Model Combinations Combine indoor and outdoor units only as listed below . Indoor Unit Outdoor Unit KMHS0772 CMH1972 KMHS0972 CMH2472 KMHS1272 CMH3172 KMHS1872 KMHS2472 P ower Source: 60 Hz, single-phase, 230 / 208 V AC Combinations of indoor and outdoor units Connect indoor and outdoor units only in the combi- nations listed in the catalog or inst[...]

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 y our job to install or ser vice the system so it operates saf ely and efficiently . For safe installation and tr ouble-free operation, you must: G Carefully read thi[...]

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 parts listed are with the system before beginning. 1-1. T ools Required for Installation (not supplied) 1. Standard screwdriver 2. Phillips h[...]

4 1-5. Additional Materials Required for 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 y[...]

5 G Install the indoor unit more than 3.3' (1 m) aw ay from an y antenna or power lines or connecting wires used f or tele- vision, radio , telephone, security system, or intercom. Electrical noise from any of these sources ma y affect operation. G install in a sturdy manner to av oid increased operating noise. 2-2. Embedding the T ubing and W[...]

6 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 Panel fr om 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 [...]

7 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 , ke y hole saw or hole-cutting drill attachment, cut a hole in the wall[...]

8 3-4. Remove the Grille to Install the Indoor Unit 3-4-1. Indoor unit types (KMHS0772, KMHS0972, KMHS1272) Basically , these models can be installed and wired without removing the grille. If access to any internal par t is needed, f ollow the steps as given belo w . How to remo ve the grille (1) Grasp both ends of the air intak e grille, and remov[...]

3-4-2. Indoor unit types (KMHS1872, KMHS2472) Basically , these models can be installed and wired with- out removing the grille. If access to any internal par t is needed, f ollow the steps as given belo w . 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 tow ards you[...]

10 3-5. Shape the Indoor Side T ubing (1) Arrangement of tubing b y directions 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 mounti[...]

11 3-7. 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 wir ing 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 grille, and remo ve it by opening to ward[...]

12 When connecting each power wire to the corresponding terminal, follow the instructions “How to connect wiring to the terminal” 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 xpo[...]

13 3-8. 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 par t of the rear plate. (Fig. 33) F or tubing, choose either the r ight or le[...]

14 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[...]

15 T o unmount indoor unit Press the 2 L L mar ks on the lo wer par t of the indoor unit and unlatch the tabs. Then lift the indoor unit and unmount. (Fig. 42) 3-9. 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[...]

16 4. How to T est Run the Air Conditioner After tur ning on po wer to the air conditioner , use the remote controller and f ollow the steps below 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 ACL (re[...]

17 5 . 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[...]

18 6. Address Switch 6-1. Address Setting of the Remote Control 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 necessar y to change the address on the second remote con[...]

19 7 . Connecting a Home A utomation device The HA (white) 4P ter minal is located on the indoor unit PCB . If a HA device will be used, connect it to this terminal. 8. Installation Check Sheet The strength of the installation location is sufficient to suppor t the A/C weight. The indoor and outdoor units are installed le vel and v er tically . The[...]