Sanyo 85464359982001 installation instructions Outdoor unit Indoor unit

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07-007 W-2WAY_II_NA 1/23/07 6:09 PM Page 61

CAUTION

(1)When linking outdoor units in a network (S-net link system), disconnect the terminal extended from the short plug (CN003, 2P Black, location: right bottom on the outdoor main control PCB) from all outdoor units except any one of the outdoor units. (When shipping: In shorted condition.)

Otherwise the communication of S-net link system is not performed. For a system without link (no connection wiring between outdoor units), do not remove the short plug.

(2)Do not install the inter-unit control wiring in a way that forms a loop. (Fig. 5-1)

Outdoor unit

Indoor unit

Outdoor unit

Indoor unit

Outdoor unit

Prohibited

Indoor unit		Indoor unit

Prohibited

Indoor unit

Fig. 5-1

(3)Do not install inter-unit control wiring such as star branch wiring. Star branch wiring causes mis-address setting.

Outdoor unit		Indoor unit

NO	Indoor unit

Fig. 5-2

		Outdoor unit
NO

		Indoor unit

Indoor unit		Indoor unit


Indoor unit		Indoor unit

Branch point

(4)If branching the inter-unit control wiring, the number of branch points should be 16 or fewer. (Branches less than 3.3 ft. are not included in the total branch number.) (Fig. 5-3)

Outdoor unit

Outdoor unit

Outdoor unit

Indoor unit

Indoor unit

more than 3.3 ft.

Indoor unit

Indoor unit

Branch point

Indoor unit

16 or fewer

more than 3.3 ft.

Indoor unit

Indoor unit

Indoor unit

Indoor unit

less than 3.3 ft.

Indoor unit

Fig. 5-3

61

Image 61

Contents Outdoor Units R410A Models Indoor UnitsOptional Controllers Gunma, Japan…In Moist or Uneven Locations …In a Room…In an Area with High Winds …In a Snowy Area for Heat Pump-type SystemsCheck of Density Limit Be sure to recharge the refrigerant only in liquid form Care regarding tubingDifferent tools required NewUse R410A exclusive cylinder only Compressor specifications are differentSingle-outlet valve Existing tubing cannot be used especially R22Contents AIR Purging HOW to Process TubingAir Purging with a Vacuum Pump for Test Run Preparation Test RUNOutdoor Unit Part name General’ty Model 10 hp 16 hp1-Way Air Discharge Semi-Concealed 4-Way Air Discharge Semi-ConcealedConcealed Duct Ceiling-Mounted Concealed Duct High-Static PressureWall-Mounted Mark ContentsLength ft 10 Main Tubing Size After Distribution LB, LC Tubing Size Main Tubing Size LA11 Outdoor Unit Tubing Connection Size a BTU/h 28.0 45.013 Straight Equivalent Length of Joints Straight Equivalent Length of JointsAdditional Refrigerant Charge 16 Refrigerant Charge Amount at Shipment for outdoor unitWhen not using ball valve When using ball valveTube branching methods horizontal use Model name Cooling capacity after distribution Remarks Optional Distribution Joint KitsTubing size with thermal insulation Example232,000 BTU/h 68.0 kW Main tubing Distribution joint tubing ExampleMain tubing Indoor Unit Selecting the Installation SiteFront view Side viewOutdoor Unit Installation SpaceLeave space open above UnitShield for Horizontal Exhaust Discharge Precautions When Installing in Heavy Snow AreasAir direction Front direction Unit installationAir direction Placing the Unit Inside the Ceiling Suspending the Indoor Unit12, 18, 24 12, 18Installing the Drain Piping Be careful since the fan will Start when you short the pinOn the indoor control board Removing the corner cover Panel installation locations so that the panel is Installing the Ceiling PanelAttached tightly to the unit. Fig Check that the panel is attached tightly toWiring the Ceiling Panel When Removing the Ceiling Panel for Servicing Checking After InstallationAdjusting the Auto Flap Special Remarks DC Fan Tap Change Procedure29/64 Full-scale Installation diagram Suspension lug 25/32 1 Installing the Drain Piping Be careful since the fan will start When you short the pin on the indoorControl board Bottom drain port is for use onlyWiring Electrical Power Wiring Wiring connectionsAppearance Part name AppearanceRemoving the side panel Removing the intake grilleAdjust so that there is no gap Installing the intake grille Installing the side panel and intake grilleOther Check after installation If a wireless remote controller is usedType Length 62 and -4 show the detailed dimensions of the indoor unitPrevious page. -61 and Table Suspension bolts referring to the dimensional data onTubing must be laid and connected inside the ceiling when Unit inside the ceilingIndoor unit Do not use adhesive at the drain connection port onDo not use the supplied drain hose bent at a 90 angle Maximum permissible bend isHow to read the diagram Be careful since the fan will start when youShort the pin on the indoor control board Increasing the Fan SpeedMinimum space for installation and service is shown This air conditioner is usually installed above the ceilingSo that the indoor unit and ducts are not visible. Only Air intake and air outlet ports are visible from belowIt is important that you use extreme care Enough to suport the weight of the unitSupporting the indoor unit inside Ceiling. Ensure that the ceiling is strongIndoor Fan Performance How to Read the Diagram Refrigerant tubing drain hose position ServiceWall and ceiling side opening position Weight of the unit. BeforeIt is important that you use Extreme care in supportingInside Shaping the Tubing Duct for Fresh AirRear outlet port When removing the fastening How to carry out power supply wiringRegulations before wiring Bracket from the coverSelecting and Making a Hole If the Wall is Brick, Concrete or Similar Removing the Grille to Install the Indoor UnitRemoving the grille Attaching the grilleShaping the Tubing Right-rear tubing Installing the Drain HoseLeft or left-rear tubing Unit are completedKHX0752 / 0952 / 1252 Installing the Outdoor Unit HOW to Install the Outdoor UnitTransporting Routing the Tubing Connect the Tubing Prepare the TubingRefrigerant tubing Connection method Supplied parts used? Tightening torque for each cap Refrigerant tube portWork method Cap tightening torqueGeneral Precautions on Wiring Electrical WiringInter-outdoor unit control wiring U, D, T Type Wiring System DiagramOutdoor unit Indoor unit Shielded wire GroundGround How to connect wiring to the terminal For stranded wiringConnecting the Refrigerant Tubing Use of the Flaring Method HOW to Process TubingFlaring Procedure with a Flare Tool Deburring870 Lbs · inch Over 5/128 1000 1200 kgf · cm Tube diameter Tightening torque Tube thickness ApproximateThree tubes arranged together Two tubes arranged togetherInsulating the Refrigerant Tubing Tubing Insulation Insulation materialTaping the Tubes Finishing the InstallationAir Purging with a Vacuum Pump for Test Run Preparation Bottom when you pressurizeLeak test Use a manifold valve for air purging45 min. or more 90 min. or more EvacuationCharging additional refrigerant Use a cylinder designed for use With R410A respectivelyFinishing the job Test RUN Items to Check Before the Test Run Test Run ProcedureMain Outdoor Unit PCB Setting Examples of the No. of outdoor units settings S006 Indoor unit setting S004 Rotary switch, red3P DIP switch, blue Address setting of main outdoor unit S007 Unit No. settingAutomatic Address Setting from the Outdoor Unit Auto Address Setting Basic wiring diagram ExampleCase 22-9 Automatic Address Setting from Outdoor Unit Case 2 Automatic Address Setting no compressor operationAutomatic Address Setting from Outdoor Unit Automatic Address Setting in Heating ModeCase 3A Automatic Address Setting* from the Remote Controller Automatic Address Setting in Cooling ModeCase 3B On outdoor main unit PCB Display during automatic address settingRemote Controller Test Run Settings If 1 indoor unit is connected to 1 remote controllerChecking the indoor unit addresses 07-007 W-2WAYIINA 1/23/07 609 PM Possible cause of malfunction Alarm contentsAlarm Alarm messages displayed on system controller Appendix Care and CleaningName of Parts Should the power fail while the unit is running TroubleshootingLatch Air intake Safety chain Grille Bolt screws Tips for Energy SavingWater drain Air outlet Air intake Ceiling panel optional Type 1-WAYTroubleshooting Type standard static pressure Type high static pressure Concealed Duct High-Static Pressure Type U, D TypeTroubleshooting Air intake grille air intake Components and cause an electric shock hazardOr soot Type Wall-Mounted Tips for Energy Saving