Instruction/ maintenance manual of the product KMHS1872 Sanyo
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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-ph.
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 .
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.
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.
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.
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.
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.
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 .
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 .
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.
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.
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.
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.
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.
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 .
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.
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.
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.
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.
An important point after buying a device Sanyo KMHS1872 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Sanyo KMHS1872 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Sanyo KMHS1872 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Sanyo KMHS1872 you will learn all the available features of the product, as well as information on its operation. The information that you get Sanyo KMHS1872 will certainly help you make a decision on the purchase.
If you already are a holder of Sanyo KMHS1872, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Sanyo KMHS1872.
However, one of the most important roles played by the user manual is to help in solving problems with Sanyo KMHS1872. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Sanyo KMHS1872 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
