Page 1: Table Of Contents
10-6. Misoperation Alarm Indicators I Wireless Remote Control Unit I Basic Functions of the Service Valves 4-1. Mounting on a Wall I Pump Down SANYO FISHER COMPANY A DIVISION OF SANYO NORTH AMERICA CORPORATION 21605 Plummer Street 85464179705002 Chatsworth, CA91311 S4179705...
Page 2: Important
Important IMPORTANT! Please Read Before Starting When Transporting …………………………………………………………………… Be careful when picking up and moving the indoor and This air conditioning system meets strict safety and outdoor units. Get a partner to help, and bend your knees operating standards. As the installer or service person, it when lifting to reduce strain on your back.
Page 3: General
1. General This booklet briefly outlines where and how to install Check local electrical codes the air conditioning system. Please read over the and regulations before CAUTION entire set of instructions for the indoor and outdoor obtaining wire. Also, check units and make sure all accessory parts listed are with any specified instructions or the system before beginning.
Page 4 Table 1-1 XHS (Recessed) Part Name Figure Q’ty Remarks For determining suspension bolt pitch Full-scale installation diagram For wide and narrow tubes Flare insulator For adjusting the unit position Installation gauge (White For wide tube flare nuts Insulating tape -for insulating) For securing drain hose Hose band For drain joint...
Page 5 Table 1-3 KHS (Wall-Mounted) Part Name Figure Q’ty Remarks For supporting the indoor unit Wall fixture *1 Insulator *1 For insulation of the tubing of the indoor unit Mounting plate *1 For securing the indoor unit Truss-head For fixing the wall fixture Tapping screw *1 Phillips 4 ×...
Page 6: Tubing Length
1-7. Tubing Length G Refrigerant tubing between the indoor and outdoor Tubing length (L) INDOOR units should be kept as short as possible. UNIT G Select and decide the installation location so that the length of the refrigerant tubing will be within the Elevation difference (H) OUTDOOR limits given in Table 1-6.
Page 7: Selecting The Installation Site
2. Selecting the Installation Site Indoor Unit Ceiling-Mounted Type AVOID: G areas where leakage of flammable gas may be Ceiling expected. G places where large amounts of oil mist exist. Wall G direct sunlight. G locations near inverter lamps which may affect Min.10 inch Min.10 inch Front view...
Page 8: Outdoor Unit
Exhaust fan Outdoor Unit Hot air AVOID: Heat source Out- G heat sources, exhaust fans, etc. (Fig. 2-1) door unit G damp, humid or uneven locations. 0591_C_I Fig. 2-1 G choose a place as cool as possible. G choose a place that is well ventilated and outside air temperature does not exceed maximum 115°F Min.
Page 9: Air Discharge Chamber For Top Discharge
2-1. Air Discharge Chamber for Top Discharge Air discharge Install the air-discharge chamber in the field when: G it is difficult to keep a space of minimum 2 ft. between the air-discharge outlet and the obstacle. G the air-discharge outlet is facing the sidewalk and discharge hot air can annoy the passers-by.
Page 10: Precausions When Installing In Heavy Snow Areas
2-3. Precautions when Installing in Heavy Snow Areas The platform should be higher than the maximum. In regions with snow fall, the outdoor unit should be provided with a platform and snow-proof duct. snow depth. (Fig. 2-5) The two anchoring feet of the outdoor unit should be attached to the platform, and the platform should be installed beneath the air-intake side of the outdoor unit.
Page 11: How To Install The Indoor Unit
Power line (Suspention bolt pitch) Table 3-1 Unit: inch (mm) (conduit size : 1/2) Length Control line Type XHS2432 (PNR-XHS2432) 32-9/32 (820) 28-3/4 (730) XHS3632 (PNR-XHS3632) 43-11/16 (1,110) 40-5/32 (1,020) Refrigerant tubing side Drain hose side Unit : inch (3) Determine the pitch of the suspension bolts using 1094_X_I the supplied full-scale installation diagram.
Page 12: Placing The Unit Inside The Ceiling
3-3. Placing the Unit Inside the Ceiling When placing the unit inside the ceiling, deter- Full-scale installation diagram mine the pitch of the suspension bolts using the (printed on a cardboard packing) supplied full-scale installation diagram. (Fig. 3-4) The size of the opening for the indoor unit can be confirmed by attaching the full-scale installation diagram beneath the unit.
Page 13: Installing The Drain Piping
3-4. Installing the Drain Piping Transparent part for Hard PVC pipe Hose band checking drainage (not supplied) (supplied) Prepare standard hard PVC pipe for the drain and use the supplied drain hose and hose band to prevent water leaks. The PVC pipe must be purchased separately. The transparent part allows you to check drain- age.
Page 14: Checking The Drainage
3-5. Checking the Drainage After wiring and piping are completed, use the follow- ing procedure to check that the water will drain smoothly. For this, prepare a bucket and wiping cloth ready to catch and wipe up spilled water. Do not supply power to the unit until the tubing and wiring to the outdoor unit are completed.
Page 15: Before Installing The Ceiling Panel
Ceiling Panel Never touch or attempt to move the air direction louver CAUTION by hand or you may damage the unit. Instead, use the remote control unit if you want to change the direction or air flow. 3-6. Before Installing the Ceiling Panel (1) Remove the air-intake grille and air filter from the ceiling panel.
Page 16: Installing The Ceiling Panel
3-7. Installing the Ceiling Panel Lift the ceiling panel and position it to align the (5) Install the air filter and air-intake grille by perform- panel hook with the panel catch of the indoor unit. ing the steps in section 3-6 in reverse. NOTE NOTE The ceiling panel must be mounted in the correct...
Page 17: Duct For Fresh Air
3-9. Duct for Fresh Air G Air-intake chamber (including Duct connection box and flange) are attached to the indoor unit when used to take fresh outdoor air. High-performance filter or Super long-life filter can be also installed in the air-intake chamber. (1) SETUP PRIOR TO INSTALLATION G When installing the high performance filter or super long-life filter, the parts and parts numbers of filters to be assembled with the air-intake chamber are listed below.
Page 18 (b) INSTALLING THE AIR-INTAKE CHAMBER G Set the air-intake chamber to the indoor unit taking Installation screws care not to set to the incorrect direction. (Fig. 3-17) Socket cover G Fasten the air-intake camber with the accessory screws. (M5 × L125, 4pcs) (Fig. 3-17) (c) INSTALLING THE DUCT CONNECTION BOX G Fasten the duct connection flange to the duct connection box with the accessory screws (M4 ×...
Page 19: I Ceiling-Mounted Type (Ths Type)
I Ceiling-Mounted Type (THS Type) Front face 3-10. Suspending the Indoor Unit Place the full-scale diagram (supplied) on the ceiling at the spot where you want to install the Rear indoor unit. Use a pencil to mark the drill holes. (Fig.
Page 20 Pull out the Air-Intake grille pushing claws Hinge Before suspending the indoor unit, remove the 2 of the hinges Screw screws on the latch of the air-intake grilles, open Latch the grilles, and remove them by pushing the claws of the hinges as shown in Fig. 3-23. Then remove both side panels sliding them along the unit toward the front after removing the two screws which fix them.
Page 21 (b) Lift the indoor unit, and place it on the washers through the notches, so as to fix it in place. (Fig. 3-28) Tighten the two hexagonal nuts on each suspension bolt to suspend the indoor unit as shown in Fig. 3-29. NOTE A ceiling surface is not always level.
Page 22: Duct For Fresh Air
3-11. Duct for Fresh Air Duct connection port (Knock-out hole) There is a duct connection port (knock-out hole) at the right-rear on the Panel Top of the indoor unit for drawing in fresh air. If it is necessary to draw in fresh air, remove the cover by knocking out and connect the Panel Top duct to the indoor unit through the connection port.
Page 23: I Wall-Mounted Type (Khs Type)
I Wall-Mounted Type (KHS Type) 3-13. Removing the Wall Fixture from the Unit Wall fixture KHS2432 Remove and discard the set screws and take off the wall fixture. (Fig. 3-36) Set screws only for transportation 3-14. Selecting and Making a Hole 1390_T_I Fig.
Page 24 KHS3632 One hole is required for the air conditioner tubing, and Tape may be either on the left or right side. (Also see sec- tion 3-17. Preparing the Indoor Side Tubing.) Full scale installation diagram Tape the full-scale installation diagram on the wall at the location selected.
Page 25: Installing The Wall Fixture Onto Wooden Or Gypsum Wall
3-15. Installing the Wall Fixture onto Wooden or Gypsum Wall wall fixture KHS2432 Confirm that the wall is strong enough to support the unit. a) If the Wall is Wooden (1) Attach the wall fixture to the wall with the 9 0943_T_I screws provided.
Page 26: Removing The Casing To Install The Indoor Unit
3-16. Removing the Casing to Install the Indoor Unit How to Remove the Casing (1) Remove the plastic cover. (Fig. 3-48) (2) Remove the clamp for the wiring connector. (Fig. 3-49) Plastic cover (3) Disconnect the 2 wiring connectors. (Fig. 3-50) (4) Set the flap in the horizontal position.
Page 27: Preparing The Indoor Side Tubing
3-17. Preparing the Indoor Side Tubing Left tubing Right-rear Left-rear KHS2432 tubing tubing (Recommended) Tubing can be extended in 4 directions as shown in Fig. 3-52. Right tubing Arrangement for Left Tubing Fig. 3-52 0949_T_I (a) Cut out the left tubing outlet. (Fig. 3-53) Arrangement for Right Tubing (a) Cut out the right tubing outlet using a hacksaw.
Page 28: Wiring Instructions
3-18. Wiring Instructions General Precautions on Wiring Before wiring, confirm the rated voltage of the unit as shown on its name plate, then carry out the wiring closely following the wiring diagram. Provide a power outlet to be used exclusively for each unit a power supply disconnect and circuit breaker for overcurrent protection should be provided in the exclusive line.
Page 29: Wiring Instructions For Inter-Unit Connections
3-19. Wiring Instructions for Inter-Unit Connections KHS2432 (a) Insert the inter-unit wiring (according to local codes) into the through-the-wall PVC pipe. Run Rear Wall the wiring toward the indoor side allowing approx. panel 5". to extend from the wall face. (Fig. 3-61) Plastic Never fix the wiring by any cover...
Page 30: Shaping The Tubing
Cover 3-20. Shaping the Tubing Refrigerant KHS2432 tubing (1) Shape the refrigerant tubing so that it can easily go into the hole. (Fig. 3-64) Inter-unit wiring (2) Push the wiring, refrigerant tubing and drain hose Drain hose through the hole in the wall. Adjust the indoor unit so it is securely seated on the wall fixture.
Page 31: Installing The Drain Hose
3-21. Installing the Drain Hose Slant (a) The drain hose should be slanted downward on the outdoor side. (Fig. 3-70) Indoor (b) Never form a trap in the course of the hose. Drain unit hose If the drain hose will run in the room, insulate* the 0957_T_I hose so that chilled condensation will not damage Fig.
Page 32: How To Install The Remote Control Unit
4. How to Install the Remote Control Unit I Wireless Remote Control Unit 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: G In direct sunlight G Behind a curtain or other place where it is covered...
Page 33: Address Switches
5. Address Switches If you are installing one indoor unit or one group of indoor units in the same room, it is necessary for you to assign each unit its own address so that each can be operated by its own remote control unit. You assign the addresses by matching the switch position of each indoor unit with the switch position of its remote control unit.
Page 34: Test Run Switch
5-3. Test Run Switch Regarding the test run, please refer to section 10. Test Run. NOTE G During the test run, all of the 3 indicator lamps on the indoor unit will flash. G During the test run, the air conditioner runs continu- ously and the thermostat does not control the system.
Page 35: How To Install The Outdoor Unit
6. How to Install the Outdoor Unit 6-1. Removing the Protective Spacer for Transportation Compressor Remove the packing skid from the bottom of unit and then remove the plastic spacer used to secure the compressor during transportation. (Fig. 6-1) Place the unit on a level concrete pad, block or equal and anchor.
Page 36: Electrical Wiring
Power Supply Terminal Base (Outdoor Unit) Wiring Control Wiring or Circuit Capacity Capacity Max. Wire Diameter AWG #12 AWG #14 AWG #18 XHS2432 • CH2432 AWG #6 69 ft. 165 ft. Max. 3,000 ft. KHS2432 AWG #10 AWG #10 AWG #18 •...
Page 37: Wiring System Diagram
Disconnect SW Inter unit (Field supply) power line 7-3. Wiring System Diagram 230/208 V Outdoor Unit : “CH” model Power supply Single-phase single phase Ground 230/208 V 60 Hz, 208 / 230 V Inter unit Indoor control line Ground Unit DC 5 V Outdoor Unit...
Page 38: How To Process Tubing
8. How to Process Tubing Deburring The narrow tubing side is connected by flare nut, and Before After the wide tubing side is connected by brazing. 8-1. 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.
Page 39: Precautions During Brazing
8-4. Precautions during Brazing Torque wrench G Replace air inside the tube with nitrogen gas to prevent copper oxide film from forming during the Spanner brazing process. Indoor unit G Do not allow the tubing to get too hot during the brazing process.
Page 40: Taping The Tubes
8-7. Taping the Tubes At this time, the refrigerant tubes (and electrical wiring if local codes permit) should be taped with armoring tape in 1 bundle. To prevent the con- densation from overflowing the drain pan, keep the drain hose separate from the refrigerant tubing.
Page 41: Air Purging
Air Purging Manifold valve Air and moisture in the refrigerant system may have undesirable effects as indicated below. Pressure gauge G pressure in the system rises G operating current rises Charge hose G cooling (or heating) efficiency drops G moisture in the refrigerant circuit may freeze and block capillary tubing Nitrogen gas cylinder (In vertical standing...
Page 42 To avoid nitrogen entering Manifold valve CAUTION the refrigerant system in a liquid state, do not use the nitrogen cylinder up side Pressure gauge down. Use the cylinder in a vertical standing position. (Refer to the previous page.) Do a leak test of all joints of the tubing (both indoor and outdoor) and both wide and narrow service valves.
Page 43 Charging additional refrigerant G Charge additional refrigerant (calculated from the Wide tube narrow tube length as shown in Sec. 1-7) using the Outdoor Indoor unit unit Narrow tube wide tube service valve with the system in cooling Max. allowable Required operating mode.
Page 44: Test Run
10. Test Run 10-1. Preparing for Test Run Before starting the air conditioner, check the following: Remove all loose matter from the cabinet espe- cially metal filings, bits of wire, and clips. Connect the control wiring correctly and tighten OPER. TIMER STDBY all electrical connections.
Page 45 For KHS model For KHS model, Operation Selector is located on the right side of the air discharge. (Fig. 10-2) Set the Operation Selector to the “Test” position. The air conditioner will start running. Let the unit run for about 30 minutes and check that the unit operates normally.
Page 46: Items To Check Prior To Test Run
10-3. Items to Check Prior to Test Run Turn on the power supply switch more than 5 hours before in order to charge the crank case heater. Fully open the outdoor service valve after making the leak inspection of field connected tubing, vacuuming, and gas charging if necessary.
Page 47: Pcb Setting
10-4. PCB Setting G Setting the outdoor control PCB In case of single outdoor unit installation, no setting is necessary. Keep factory shipment state (R.C. address is set in “0”). In this case, auto. address operation takes place automatically for the first time when the power is switched on.
Page 48: Misoperation Alarm Indicators
10-6. Misoperation Alarm Indicators Alarm indicator lamps on the indoor unit indicate the error cause when the air conditioner fails to operate upon being switched on. The possible alarm indica- tions are given in Table 10-1. Fig.10-5 shows the location of the alarm lamps on the indoor unit. (See Table 10-1, Fig.
Page 49: I Basic Functions Of The Service Valves
I Basic Functions of the Service Valves Narrow Tube Service Wide Tube Service Action Valve (3-Way) Valve (Ball Valve) CLOSED CLOSED O-ring Stem Shipping and air purging 0549_C_I 0546_C_I Fully Fully OPEN OPEN Operating and test running the air conditioner 0550_C_I 0547_C_I Half...
Page 50: I Pump Down
I Pump Down Pump down means collecting all refrigerant gas in the system back into the outdoor unit without losing ant of the gas. Pump down is used when the unit is to be moved or before servicing the refrigerant circuit. Pump down procedure Be sure to carry out pump CAUTION...

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