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Sanyo KHS0951 Installation Instructions Manual

Split system air conditioner
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Please Read Before Starting .................................. 2
GENERAL .......................................................... 3
REFRIGERANT TUBING .................................. 16
85264189615003 © SANYO 2002 Chatsworth, CA 91311 U.S.A.
- Split System Air Conditioner -
21605 Plummer Street
Model Combinations
Combine indoor and outdoor units only as listed
Indoor Units
Power Source:
60 Hz, single-phase, 115 V
Power Source:
60 Hz, single-phase, 230/208 V
AIR PURGING................................................... 18
POSITION ......................................................... 22
Power source for CH0951 and CH1251 is 60 Hz,
single-phase 115 V.
In Canada
SANYO Canada Inc.
Ontario, L4K 5C7, Canada
Outdoor Units


Table of Contents

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  Summary of Contents for Sanyo KHS0951

  • Page 1: Table Of Contents

    5-5. Insulation of Refrigerant Tubing 5-6. Taping the Tubes In Canada SANYO FISHER COMPANY SANYO Canada Inc. A DIVISION OF SANYO NORTH AMERICA CORPORATION 300 Applewood Crescent, Concord 21605 Plummer Street Ontario, L4K 5C7, Canada 85264189615003 © SANYO 2002 Chatsworth, CA 91311 U.S.A.
  • Page 2: Important

    IMPORTANT! Please Read Before Starting When Transporting This air conditioning system meets strict safety and operating standards. As the installer or service person, it is an important Be careful when picking up and moving the indoor and out- part of your job to install or service the system so it operates door units.
  • Page 3: General

    1. General This booklet briefly outlines where and how to install the 5. Carpenter’s level air conditioning system. Please read over the entire set 6. Sabre saw or key hole saw of instructions for the indoor and outdoor units and 7.
  • Page 4: Additional Materials Required For Installation

    1-6. Additional Materials Required for Installation Indoor unit Refrigeration (armored) tape Insulated staples or clamps for connecting wire (See local codes) Putty Refrigeration lubricant Clamps or saddles to secure refrigerant tubing Drain hose 2. Installation Site Selection Outside drainage 2-1. Indoor Unit Fig.
  • Page 5: Outdoor Unit

    2-2. Outdoor Unit Exhaust fan AVOID: Hot air heat sources, exhaust fans, etc. (Fig. 4) Heat source damp, humid or uneven locations. Outdoor unit choose a place as cool as possible. choose a place that is well ventilated. allow enough room around the unit for air intake/ Fig.
  • Page 6: How To Install The Indoor Unit

    NOTE Set screw only for transportation Fig. 6 Tubing can be extended in 5 directions (KHS0951, KHS1251 and Rear panel KHS1852) as shown in Fig. 8a or 8b. Select the direction you need providing the shortest run to the outside unit.
  • Page 7: Install The Rear Panel On The Wall

    (4) Using a sabre saw, key hole saw or hole-cutting drill NOTE attachment, cut a hole in the wall. See Table 4 and Hole should be made at a slight downward slant to the Fig. 10. outdoor side. Table 4 Indoor Outdoor Hole Dia.
  • Page 8: Remove The Grille To Install The Indoor Unit

    3-4. Remove the Grille to Install the Indoor Unit KHS0951, KHS1251 Basically, these models can be installed and wired with- out removing the grille. If access to any internal part is needed, follow the steps as given below: How to remove the grille (1) Set the flap in the horizontal position.
  • Page 9: Shape The Indoor Side Tubing

    3-5. Shape the Indoor Side Tubing 1) Arrangement of tubing by directions Frame a) Right or left tubing Cut out the corner of the right/left frame with a hacksaw or the like. (Figs. 20 and 21) Left tubing outlet b) Right-rear or left-rear tubing In this case, the corner of the frame need not be cut.
  • Page 10: Recommended Wire Length And Diameter

    3-7. Recommended Wire Length and Diameter WIRING SYSTEM DIAGRAM Regulations on wiring diameter differ from locality to CH0951, CH1251 Models locality. For field wiring requirements, please refer to Disconnect (Inter-unit) your local electrical codes. Carefully observe these reg- INDOOR UNIT OUTDOOR UNIT switch Power lines...
  • Page 11 Remove the screws to open the cover plate secur- KHS0951, KHS1251 KHS0951, KHS1251 ing the electrical component box. (Figs. 25a, 25b, Cover Electrical 25c and 25d) plate component box Cover d) Insert the wrapped tubing into the hole in the wall.
  • Page 12 Loose wiring may cause the termi- WARNING nal to overheat or result in unit mal- function. A fire hazard may also exist. Therefore, be sure all wiring is tightly connected. When connecting each power wire to the corresponding termi- 9/32" (7 mm) (ACTUAL STRIP nal, follow the instructions “How to connect wiring to the termi-...
  • Page 13: Mounting

    3-9. Mounting (1) To install the indoor unit, mount the indoor unit onto the 2 tabs on the upper part of the rear plate. (2) Hold down the air discharge outlet and press the lower part of the indoor unit until it clicks to secure- ly fasten to the 2 tabs on the lower part of the rear plate.
  • Page 14: Drain Hose

    To unmount indoor unit Press the 2 marks on the lower part of the indoor unit and unlatch the tabs. Then lift the indoor unit and unmount. (Fig. 38) 3-10. Drain Hose a) The drain hose should be slanted downward to the outdoors.
  • Page 15: How To Install The Outdoor Unit

    4. How to Install the Outdoor Unit Terminal block Lock nut First refer to Section 2. Installation Site Selection. Access panel 4-1. Wiring Instructions for the Outdoor Unit Regulations on wire size differ from locality to locality. For field wiring requirements, please refer to your local electrical Conduit codes.
  • Page 16: Refrigerant Tubing

    5. Refrigerant Tubing Deburring Before After 5-1. Use of the Flaring Method Many of the conventional split system air conditioners employ the flaring method to connect refrigerant tubes which run between indoor and outdoor units. In this method, the copper tubes are flared at each end and connected with flare nuts.
  • Page 17: Connecting Tubing Between Indoor And Outdoor Units

    5-4. Connecting Tubing between Indoor and Torque wrench Outdoor Units a) Tightly connect the indoor side refrigerant tubing extend- Spanner ed from the wall with the outdoor side tubing. (Fig. 47) Indoor unit b) To fasten the flare nuts, apply specified torque as: Table 5 Outdoor unit Tube Dia.
  • Page 18: Air Purging

    6. Air Purging Indoor unit Air and moisture remaining in the refrigerant system have undesirable effects as indicated below. Therefore, they must be purged completely. pressure in the system rises operating current rises Outdoor unit cooling (or heating) efficiency drops moisture in the air may freeze and block capillary tubing water may lead to corrosion of parts in the refrigerant sys- Air Purging with a Vacuum Pump (for Test Run)
  • Page 19 (5) With the vacuum pump still running, close the “Lo” knob of the manifold valve. Then stop the vacuum 90° (1/4 turn) pump. Narrow tube (6) With the accessory hex wrench, turn the valve stem on the narrow tube service valve counter- Hex wrench clockwise by 90 degrees (1/4 turn) for 10 seconds, and then turn the stem clockwise to close it again.
  • Page 20 * How to Test Run the Air Conditioner. KHS0951, KHS1251 (1) Switch on the power source. (2) Press the ON/OFF button on the remote control unit once. (3) Set the operation selector switch of the indoor unit TEST to the TEST position. This starts the fan, producing uncooled forced air.
  • Page 21: Basic Function Of The Service Valves

    Basic Function of the Service Valves The basic function of the service valves are given in Table 7 below. Table 7 Narrow Tube Service Wide Tube Service Action Valve (2-Way) Valve (3-Way) O-ring Valve cap CLOSED Stem Shipping Fully OPEN Operating and test running the air conditioner...
  • Page 22: Remote Control Unit Installation Position

    7. Remote Control Unit Installation Position The remote control unit can be operated from either a non-fixed position or a wall-mounted position. To ensure that the air conditioner operates correctly, do not install the remote control unit in the following places: In direct sunlight Behind a curtain or other place where it is covered...

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