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Contents

Page

IMPORTANT!
Please Read Before Starting 
.................................. 1

1.

GENERAL .......................................................... 2
1-1. Tools Required for Installation (not supplied)
1-2. Accessories Supplied with Indoor Unit
1-3. Optional Copper Tubing Kit
1-4. Type of Copper Tube and Insulation Material
1-5. Field Wiring
1-6. Additional Materials Required for Installation
1-7. Operating Range

2.

INSTALLATION SITE SELECTION ................... 3
2-1. Indoor Unit
2-2. Outdoor Unit
2-3. Air Discharge Chamber for Top Discharge
2-4. Wind Shield for “CL” Model

3.

HOW TO INSTALL THE INDOOR UNIT ........... 6
3-1.  Remove the Rear Panel from the Unit
3-2. Make a Hole
3-3. Install the Rear Panel on the Wall
3-4. Remove the Grille to Install the Indoor Unit
3-5. Shape the Indoor Side Tubing
3-6. Wiring Instructions
3-7. Recommended Wire Length and Diameter
3-8. Wiring Instructions for Inter-unit Connections
3-9. Mounting
3-10. Drain Hose

4.

REMOTE CONTROL UNIT INSTALLATION
POSITION 
........................................................ 14
4-1.  Mounting on a Wall

5.

ADDRESS SWITCHES ..................................... 15

6.

HOW TO INSTALL THE OUTDOOR UNIT....... 16
6-1. Removing the Packaging Skid
6-2. Installing the Outdoor Unit
6-3. Tubing Direction

Model Combinations

Combine indoor and outdoor units only as listed
below.

Indoor Unit

Outdoor Units

KS2462R

C2462R

CL2462R

Power supply: 60Hz, single-phase, 208/230V

INSTALLATION  INSTRUCTIONS

– Split System Air Conditioner –

COOL/DRY Model

Units should be installed by a licensed contractor
according to local code requirements.

7.

ELECTRICAL WIRING ..................................... 17
7-1. General Precautions on Wiring
7-2. Recommended Wire Length and Wire

Diameter for Power Supply System

7-3. Wiring System Diagram
7-4. Examples of Incorrect Wiring

8.

HOW TO PROCESS TUBING .......................... 19
8-1. Use of the Flaring Method
8-2. Flaring Procedure with a Flare Tool
8-3. Caution before Connecting Tubes Tightly
8-4. Precautions During Brazing
8-5. Indoor Unit Tubing
8-6. Connecting Tubing between Indoor and

Outdoor Units

8-7. Insulation of Refrigerant Tubing
8-8. Taping the Tubes
8-9. Finishing the Installation

9.

AIR PURGING................................................... 22

10. TEST RUN......................................................... 25

10-1. Preparing for Test Run
10-2. Performing Test Run

11. REFRIGERANT R410A: SPECIAL PRECAUTIONS 

WHEN INSTALLING UNIT................................ 28
11-1. Characteristics of New Refrigerant R410A
11-2. Checklist Before Installation
11-3. Tools Specifically for R410A
11-4. Charging Additional Refrigerant

In Canada

SANYO FISHER COMPANY

SANYO Canada Inc.

A DIVISION OF SANYO NORTH AMERICA CORPORATION

300 Applewood Crescent

21605 Plummer Street

Concord, Ontario

85464359328000   © SANYO 2002

Chatsworth, CA 91311 U.S.A.

L4K 5C7, Canada

In order to protect the environment, this air conditioner uses the new refrigerant R410A.

02-291AirCon Final  12/11/02 2:45 PM  Page a

Содержание C2462R

Страница 1: ...62R CL2462R Power supply 60Hz single phase 208 230V INSTALLATION INSTRUCTIONS Split System Air Conditioner COOL DRY Model Units should be installed by a licensed contractor according to local code requirements 7 ELECTRICAL WIRING 17 7 1 General Precautions on Wiring 7 2 Recommended Wire Length and Wire Diameter for Power Supply System 7 3 Wiring System Diagram 7 4 Examples of Incorrect Wiring 8 HO...

Страница 2: ...careful when picking up and moving the indoor and out door units Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin alu minum fins on the air conditioner can cut your fingers When Installing In a Ceiling Wall or Floor Make sure the ceiling wall floor is strong enough to hold the unit s weight It may be necessary to construct a strong wood or me...

Страница 3: ...N46U1B is necessary See page 20 Also consult your nearest sales outlet or A C workshop 1 4 Type of Copper Tube and Insulation Material If you wish to purchase these materials separately from a local source you will need 1 Deoxidized annealed copper tube for refrigerant tub ing as detailed in Table 2 When cutting tubing add approximately 12 to 16 in to each tube length to reduce vibration between t...

Страница 4: ...d within a total tubing length L from the outdoor unit as detailed in Table 3 and Fig 3a Table 3 6 in min 6 in min 6 in min Front View Fig 2 INDOOR UNIT Tubing length L OUTDOOR UNIT Elevation difference H Fig 3a Max Allowable Tubing Limit of Tubing Limit of Elevation Required Amount of Model Length at Shipment Length L Difference H Additional Refrigerant ft ft ft oz ft C2462R CL2462R 23 132 50 0 4...

Страница 5: ... or equal to bolt down unit to reduce vibration and noise 2 3 Air Discharge Chamber for Top Discharge Install the air discharge chamber in the field when it is difficult to keep a space of minimum 2 ft between the air discharge outlet and an obstacle the air discharge outlet faces a sidewalk and dis charged hot air may disturb people passing by Refer to Fig 5a Outdoor unit Hot air Heat source Exha...

Страница 6: ...This unit is designed so that the fan of the outdoor unit runs at low speed when the air conditioner is operated at low outdoor air temperatures When the outdoor unit is exposed to strong wind the system pressure drops because of the freeze protector For outer dimensions of the wind shield see Fig 5c IMPORTANT Wind shield air discharge side Front 3 φ1 9 16 hole 6 φ15 64 hole 9 27 32 21 5 8 15 16 5...

Страница 7: ...ing a carpenter s level or tape measure to measure down from the ceiling 2 Determine which side of the unit you should make the hole Fig 7b 3 Before making a hole check carefully that no studs or pipes are directly run behind the spot to be cut The above precautions are also applicable if tubing goes through the wall in any other location 4 Using a sabre saw key hole saw or hole cutting drill atta...

Страница 8: ...y space between the wall and unit will cause noise and vibration b If Block Brick Concrete or Similar Type Wall Make 3 16 dia holes in the wall Insert rawl plugs for appropriate mounting screws Fig 13 3 4 Remove the Grille to Install the Indoor Unit 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 belo...

Страница 9: ...ns General precautions on wiring 1 Before wiring confirm the rated voltage of the unit as shown on its nameplate then carry out the wiring closely following the wiring diagram 2 Provide a power outlet to be used exclusively for each unit with a power supply disconnect and circuit breaker for overcurrent protection provided in the exclusive line 3 To prevent possible hazard due to insulation failur...

Страница 10: ...g line Power supply Single phase 230V 208V 60HZ Disconnect switch Field supply Fig 18 WARNING Be sure to comply with local codes on running the wire from the indoor unit to the outdoor unit size of wire and wiring method etc Each wire must be firmly connected No wire should be allowed to touch refrigerant tubing the compressor or any moving part CAUTION Be sure to connect the power supply line to ...

Страница 11: ...Connect the inter unit wiring to the corresponding terminals on the terminal plate Figs 20a and 20b while referring to the wiring diagram 4 Be sure to secure the wiring with the provided clamp How to remove the cover plate To access the terminal plate inside the indoor unit follow these steps 1 Using a Phillips screwdriver remove the screw on the cover plate Figs 20a and 20b 2 Remove the cover pla...

Страница 12: ...liers then strip the insulation to expose the stranded wiring about 3 8 in and tightly twist the wire ends Figs 21b and 21c 2 Using a screwdriver remove the terminal screw s on the terminal plate 3 Using a ring connector fastener or pliers securely clamp each stripped wire end with a ring connector Fig 21b 4 Place the ring connector wire and replace and tight en the removed terminal screw using a ...

Страница 13: ... Connecting Tubing between Indoor and Outdoor Units 5 Assemble the refrigerant tubing drain hose and inter unit wiring as shown in Fig 27 Cover Refrigerant tubing Drain hose Inter unit wiring Fig 24 Pipe bending tool a b b a 0 7 or more Fig 25 Insulation Field supply Fig 26 Refrigerant tubing Drain hose Conduit Inter unit wiring Fig 27 CAUTION If using a stepladder be careful to keep your balance ...

Страница 14: ...e with insulation so that chilled condensation will not damage furniture or floors Fig 29 Foamed polyethylene or its equivalent is recom mended Slant Drain hose Indoor unit Fig 28 WARNING Risk of Electric Shock Do not supply power to the unit or operate it until all tub ing and wiring to the outside unit are completed Condensation Insulation material locally purchased must be used Fig 29 ...

Страница 15: ...ontrol unit grasp and pull it from the holder When using the remote control unit Point the transmission portion of the remote con trol unit at the receiver area of the indoor unit to control the air conditioner Do not place objects that may block the transmit ted signals between the receiver and the remote control unit When mounting the remote control unit to prevent theft or loss 1 Mount the hold...

Страница 16: ...he address to B break tab A of the remote control address switch and cut the jumper cable JP11 on the indoor unit board Figs 32 and 33 If you need more information contact your air condi tioning system dealer Normally the tabs on the remote control unit should not be broken Address switch tab A Fig 32 Fig 33 JP11 The illustration above pictures the remote control unit after the cover has been lowe...

Страница 17: ...ss them remove the access panel by removing the 3 attaching screws then slide the panel downward and pull it toward you If either rear right or front tubing is needed punch out the knockout holes with a hammer and punch or similar tool After punching out the knockout holes mount plastic protectors on the tubing outlets There accessories are packed inside the unit and can be accessed through the ac...

Страница 18: ... your LOCAL ELECTRICAL CODES before beginning You must ensure that installation complies with all relevant rules and regulations 8 To prevent malfunction of the air conditioner caused by electrical noise care must be taken when wiring as follows The inter unit control wiring and the remote con trol wiring option should be wired apart from the inter unit power wiring It is recommended that shielded...

Страница 19: ...he Test Run described on page 25 Problem 1 Short circuit will occur after approx 3 minutes Problem 2 Air conditioner will not operate Problem 3 Compressor will not start only indoor unit will operate 1 4 2 G G Indoor unit Outdoor unit 1 4 2 G G 1 4 2 Indoor unit Outdoor unit 1 4 2 G G 1 4 2 Indoor unit Outdoor unit 1 2 4 G G 1 4 2 Indoor unit Outdoor unit 1 2 4 G G 1 4 2 Indoor unit Outdoor unit 1...

Страница 20: ... reaming hold the tube end downward and be sure that no copper scraps fall into the tube Fig 38a 3 Remove the flare nut from the unit and be sure to mount it on the copper tube 4 Make a flare at the end of copper tube with a flare tool Fig 38b Use RIGID or equivalent 5 Use the special flare tool for R410A for making a flare If the conventional flare tool for R22 is used the flared portion of the t...

Страница 21: ...ear panel Fig 40a 2 Set the rear panel at its original position where it was installed with screws 3 Cut the wide tube at a point 4 1 8 from the triangle mark 4 Remove the 1 2 flare nut from the optional tube connec tion C place it on the cut wide tube and then flare the wide tube Fig 40b 5 Connect the optional tube connection C to the wide tube 6 Connect the 3 4 tube to the connected optional tub...

Страница 22: ...e armoring tape from the bottom of the out door unit to the top of the tubing where it enters the wall As you wrap the tubing overlap half of each previous tape turn Fig 44 3 Clamp the tubing bundle to the wall using 1 clamp approx every 4 ft Do not wind the armoring tape too tightly since this will decrease the heat insulation effect Also be sure the condensation drain hose splits away from the b...

Страница 23: ...or and outdoor units have been proper ly connected and all wiring for the test run has been completed Remove the valve caps from both the wide and narrow service valves on the outdoor unit Note that both narrow and wide tube service valves on the outdoor unit are kept closed at this stage Leak test 1 With the service valves on the outdoor unit closed remove the 1 4 flare nut and its bonnet on the ...

Страница 24: ...ure is reduced to normal disconnect the hose from the cylinder Evacuation 1 Attach the charge hose end described in the preceding steps to the vacuum pump to evacuate the tubing and indoor unit Confirm that the Lo knob of the manifold valve is open Then run the vacuum pump The operation time for evacuation varies with the tubing length and capacity of the pump The following table shows the amount ...

Страница 25: ...turn the narrow tube service valve stem counter clockwise to fully open the valve Fig 51 2 With a screwdriver turn the wide tube service valve stem counter clockwise to fully open the valve Fig 51 3 Loosen the charge hose connected to the wide tube service port 1 4 slightly to release the pressure then remove the hose 4 Replace the 1 4 flare nut and its bonnet on the wide tube service port and fas...

Страница 26: ...transportation cardboard protection for the indoor fan 10 2 Performing Test Run 1 Locate the Operation Selector on right side by open ing the air discharge grille on the indoor unit Fig 52 2 Set the Operation Selector to the Test position The air conditioner will start running 3 Let the unit run for about 30 minutes and check that the unit operates normally 4 After the Test Run be sure to reset th...

Страница 27: ...Tube Service Valve 3 Way Valve Ball Valve CLOSED CLOSED Shipping and air purging Fully Fully OPEN OPEN Operating and test running the air conditioner Stem O ring Narrow tube service valve Wide tube service valve Service port B Stem Valve cap O ring 3 Way Valve C2462R CL2462R ...

Страница 28: ... operation button and start cooling opera tion 4 When the low pressure gauge reading falls to 1 to 0 5 kg cm2 14 2 to 7 1 psi fully close the wide tube valve stem with a standard screwdriver Then quickly stop the unit When the pressure becomes 0 5 kg cm 2 or less the compressor stops by operation of the low pressure switch Recover the remaining refrigerant using refrig erant recovery equipment to ...

Страница 29: ...on state in liquid phase When refrigerant R410A is used the composition will differ depending on whether it is in gaseous or liquid phase and the basic performance of the air conditioner will be degraded if it is charged while the refrigerant is in gaseous state Thus always charge the refrigerant while it is in liquid phase 11 2 Checklist Before Installation Use a clutch type flare tool for R410A ...

Страница 30: ... additional charge of compressor oil is required No use of refrigerant other than R410A Never use a refrigerant other than R410A If refrigerant R410A is exposed to fire Through welding etc toxic gas may be released when R410A refrigerant is exposed to fire Therefore be sure to provide ample ventilation during installation work Caution in case of R410A leak Check for possible leak points with the s...

Страница 31: ...e power is off is recommended Vacuum pump 2 can be used if the following adapter is attached Vacuum pump adapter reverse flow prevention adapter 3 Solenoid valve installed adapter attached to a conventional vacuum pump Electronic scale for charging refrigerant Flare tool Bender Torque wrench Cutter reamer Welding machine nitrogen gas cylinder Tools specifically for R410A Tools which can be com mon...

Страница 32: ... Systems 11 5 1 Use of Existing Units Never use new refrigerant R410A for existing units which use R22 This will cause the air conditioner to operate improperly and may result in a hazardous condition 11 5 2 Use of Existing Tubing If replacing an older unit that used refrigerant R22 with a R410A unit do not use its existing tubing Instead com pletely new tubing must be used CAUTION Never charge ad...

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