Sanyo KMHS1872, KMHS2472, KMHS1272 User Manual

CAUTION

For Indoor Unit

INSTALLATION INSTRUCTIONS

– Inverter Split System Air Conditioner –

This air conditioner uses the new refrigerant R410A.

Contents

Page

IMPORTANT!

Please Read Before Starting .................................. 2

1. GENERAL .......................................................... 3

1-1. Tools Required for Installation (not supplied) 1-2. Accessories Supplied with Unit 1-3. Optional Copper Tubing Kit 1-4. Type of Copper Tube and Insulation Material 1-5. Additional Materials Required for Installation

2. INSTALLATION SITE SELECTION ................... 4

2-1. Indoor Unit 2-2. Embedding the Tubing and Wiring

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. Wiring Instructions for Inter-unit Connections 3-8. Mounting 3-9. Drain Hose

COOL/ DRY/HEAT Model

Model Combinations

Combine indoor and outdoor units only as listed below.

Indoor Unit Outdoor Unit

KMHS0772 CMH1972

KMHS0972 CMH2472

KMHS1272 CMH3172

KMHS1872

KMHS2472

Power Source: 60 Hz, single-phase, 230 / 208 VAC

Combinations of indoor and outdoor units

Connect indoor and outdoor units only in the combinations listed in the catalog or installation manual.

Connecting any other model may result in operation failure and system damage.

4. HOW TO TEST RUN THE AIR CONDITIONER .... 16

5. REMOTE CONTROL UNIT INSTALLATION

POSITION ......................................................... 17

5-1. Mounting on a Wall

6. ADDRESS SWITCH .......................................... 18

6-1. Address Setting of the Remote

Control Unit

7. CONNECTING A HOME AUTOMATION

DEVICE.............................................................. 19

8. INSTALLATION CHECK SHEET ...................... 19

SANYO FISHER COMPANY SANYO Canada Inc.

A DIVISION OF SANYO NORTH AMERICA CORPORATION 300 Applewood Crescent, Concord 21605 Plummer Street Ontario, L4K 5C7, Canada

85264189998000 © SANYO 2006

Chatsworth, CA 91311 U.S.A.

Be sure to read the yellow instruction sheet attached to the outdoor unit for models using the new refrigerant R410A.

NOTE

The illustrations are based on the typical appearance of a standard model. Consequently, the shape may differ from that of the air conditioner that you are installing.

In Canada

IMPORTANT! Please Read Before Starting

This air conditioning system meets strict safety and operating standards. As the installer or service person, it is an important part of your job to install or service the system so it operates safely and efficiently.

For safe installation and trouble-free operation, you must:

Carefully read this instruction booklet before beginning.

Follow each installation or repair step exactly as shown.

Observe all local, state, and national electrical codes.

Pay close attention to all warning and caution notices given in this manual.

This symbol refers to a hazard

WARNING

CAUTION

or unsafe practice which can result in severe personal injury or death.

This symbol refers to a hazard or unsafe practice which can result in personal injury or product or property damage.

If Necessary, Get Help

These instructions are all you need for most installation sites and maintenance conditions. If you require help for a special problem, contact our sales/service outlet or your certified dealer for additional instructions.

In Case of Improper Installation

The manufacturer shall in no way be responsible for improper installation or maintenance service, including failure to follow the instructions in this document.

SPECIAL PRECAUTIONS

WARNING

• Do not supply power to the unit until all wiring and tubing are completed or reconnected and checked.

• Highly dangerous electrical voltages are used in this system. Carefully refer to the wiring diagram and these instructions when wiring. Improper connections and inadequate grounding can cause accidental injury or

death.

• Ground the unit following local electrical codes.

• Connect all wiring tightly. Loose wiring may cause overheating at connection points and a possible fire hazard.

When Transporting

Be careful when picking up and moving the indoor and outdoor units. Get a partner to help, and bend your knees when lifting to reduce strain on your back. Sharp edges or thin aluminum fins on the air conditioner can cut your fingers.

When Wiring

ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH. ONLY A QUALIFIED, EXPERIENCED ELECTRICIAN SHOULD ATTEMPT TO WIRE THIS SYSTEM.

When Installing…

…In a Ceiling or Wall

Make sure the ceiling/wall is strong enough to hold the unit’s weight. It may be necessary to construct a strong wood or metal frame to provide added support.

…In a Room

Properly insulate any tubing run inside a room to prevent “sweating” that can cause dripping and water damage to walls and floors.

When Connecting Refrigerant Tubing

• Do not add any refrigerant, air, or substance into the refrigeration circuit other than the designated refrigerant (R410A). Adding anything other than the specified refrigerant may cause the pressure to rise excessively in the refrigeration circuit, rupturing the circuit and causing injury or damage.

• Use all-new tubing and flare nuts to make the tubing connections. Using any previous parts (from R22-based systems) may result in damage to the equipment, and may lead to the refrigeration circuit rupturing, causing a serious accident.

• Apply refrigerant lubricant to the matching surfaces of the flare and union tubes before connecting them, then tighten the nut with a torque wrench for a leak-free connection.

• Check carefully for leaks before starting the test run.

When Servicing

• Turn the power OFF at the main power box (mains) before opening the unit to check or repair electrical parts and wiring.

• Keep your fingers and clothing away from any moving parts.

• Clean up the site after you finish, remembering to check that no metal scraps or bits of wiring have been left inside the unit being serviced.

Others

CAUTION

• Ventilate any enclosed areas when installing or testing the refrigeration system. Escaped refrigerant gas, on contact with fire or heat, can produce dangerously toxic gas.

• Confirm upon completing installation that no refrigerant gas is leaking. If escaped gas comes in contact with a stove, gas water heater, electric room heater or other heat source, it can produce dangerously toxic gas.

1. General

This booklet briefly outlines where and how to install the air conditioning system. Please read over the entire set of instructions for the indoor and outdoor units and make sure all accessory parts listed are with the system before beginning.

1-1. Tools Required for Installation (not supplied)

1. Standard screwdriver

2. Phillips head screwdriver

3. Knife or wire stripper

4. Tape measure

5. Carpenter’s level

1-2. Accessories Supplied with Unit

Table 1

Parts Figure Qʼty Parts Figure Qʼty

Remote control unit

Remote control unit holder

AAA alkaline battery

Tapping screw

Rawl plug

Drain hose

adapter

Truss-head Phillips

/325/8" (4 16 mm)

6. Sabre saw or key hole saw

7. Hacksaw

8. Core bits

9. Hammer

10. Drill

11. Tube cutter

12. Tube flaring tool

13. Torque wrench

14. Adjustable wrench

15. Reamer (for deburring)

Parts Figure Qʼty

Clamp

Air clean filter

Packed in the indoor unit.

1-3. Optional Copper Tubing Kit

Copper tubing for connecting the outdoor unit to the indoor unit is available in kits which contain the narrow and wide tubing, fittings and insulation. Consult your nearest sales outlet or A/C workshop.

1-4. Type of Copper Tube and Insulation Material

2. Foamed polyethylene insulation for the specified copper tubes as required to precise length of tubing. Wall thickness of the insulation should be not less than 5/16" (8 mm).

3. Use insulated copper wire for field wiring. Wire size varies with the total length of wiring. Refer to 3-6. Wiring Instructions for details.

If you wish to purchase these materials separately from a local source, you will need:

1. Deoxidized annealed copper tube for refrigerant tubing as detailed in Table 2.

Cut each tube to the appropriate lengths 1' to 1'4" (30 cm to 40 cm) to dampen vibration between units.

Table 2

Model

KMHS0772 1/4" (6.35 mm) 0.0314" (0.8 mm) 3/8" (9.52 mm) 0.0314" (0.8 mm)

KMHS0972 1/4" (6.35 mm) 0.0314" (0.8 mm) 3/8" (9.52 mm) 0.0314" (0.8 mm)

KMHS1272 1/4" (6.35 mm) 0.0314" (0.8 mm) 3/8" (9.52 mm) 0.0314" (0.8 mm)

KMHS1872 1/4" (6.35 mm) 0.0314" (0.8 mm) 1/2" (12.70 mm) 0.0314" (0.8 mm)

KMHS2472 1/4" (6.35 mm) 0.0314" (0.8 mm) 5/8" (15.88 mm) 0.0393" (1.0 mm)

Outer Dia. Thickness Outer Dia. Thickness

Narrow Tube Wide Tube

CAUTION

Check local electrical codes and regulations before obtaining wire. Also, check any specified instructions or limitations.

1-5. Additional Materials Required for Installation

1. Refrigeration (armored) tape

2. Insulated staples or clamps for connecting wire (See local codes)

3. Putty

4. Refrigeration lubricant

5. Clamps or saddles to secure refrigerant tubing

2. Installation Site Selection

2-1. Indoor Unit

Indoor unit

WARNING

To prevent abnormal heat generation and the possibility of fire, do not place obstacles, enclosures and grilles in front of or surrounding the air conditioner in a way that may block air flow.

AVOID:

G direct sunlight.

G nearby heat sources that may affect performance of the

unit.

G areas where leakage of flammable gas may be expected.

G placing or allowing any obstructions near the A/C inlet or

outlet.

G installing in rooms that contain instant-on (rapid-start)

fluorescent lamps. (These may prevent the A/C from receiving signals.)

G places where large amounts of oil mist exist.

G installing in locations where there are devices that

generate high-frequency emissions.

DO:

G select an appropriate position from which every corner of

the room can be uniformly cooled. (High on a wall is best.)

2" (5 cm)

min.

INDOOR UNIT (1)

Elevation difference (H1)

INDOOR UNIT (4)

Outside drainage

Fig. 1

6" (15 cm) min.

Front View

Fig. 2

Tubing length (L1)

OUTDOOR UNIT

Drain hose

INDOOR UNIT (2)

INDOOR UNIT (3)

2" (5 cm)

min.

G select a location that will hold the weight of the unit.

G select a location where tubing and drain hose have the

shortest run to the outside. (Fig. 1)

G allow room for operation and maintenance as well as

unrestricted air flow around the unit. (Fig. 2)

G install the unit within the maximum elevation difference

(H1, H2, H3, H4) above or below the outdoor unit and within a total tubing length (L1+L2+L3, L1+L2+L3+L4) from the outdoor unit as detailed in Table 3 and Fig. 3a.

CAUTION

For stable operation of the air conditioner, do not install wall-mounted type indoor units less than 5' (1.5 m) from floor level.

Fig. 3a

Fig. 3b

Indoor unit

Minimum height from floor level

5' (1.5 m)

Floor level

Wall

G Install the indoor unit more than 3.3' (1 m) away from any

antenna or power lines or connecting wires used for television, radio, telephone, security system, or intercom. Electrical noise from any of these sources may affect operation.

G install in a sturdy manner to avoid increased operating

noise.

Table 3

Max. Max. Allowable Total Limit of Limit of Elevation Required Amount

Allowable Tubing Length Total Tubing Length Difference of Additional

Model Tubing Length at shipment (L1+L2+L3) or (H1, H2, H3, H4) Refrigerant

per unit (L1+L2+L3) or (L1+L2+L3+L4) (ft.) (oz./ft.)*

(ft.) (L1+L2+L3+L4) (ft.)

(ft.)

CMH1972 82 150 (L1+L2+L3) 150 (L1+L2+L3) 50 —

CMH2472 82 150 (L1+L2+L3+L4) 200 (L1+L2+L3+L4) 50 0.22

CMH3172 100 150 (L1+L2+L3+L4) 230 (L1+L2+L3+L4) 50 0.22

* If total tubing length becomes 150 to 200 ft. (Max.) or 150 to 230 ft. (Max.), charge additional refrigerant (R410A) by 0.22 oz./ft.

No additional charge of compressor oil is necessary.

2-2. Embedding the Tubing and Wiring

G Before beginning embedding installation work, consult

fully with agencies or offices related to the building’s foundation, construction, electricity, and water.

G Wait to make connections to the embedded portion.

Each connection step is described later in this manual.

G Securely cover the end of the embedded tubing to

prevent intrusion of dirt or moisture.

G If an embedded tube is to be left for a long time, fill

the tube with nitrogen and seal both ends securely. If a tube is left open for an extended time, moisture in the air inside the tubing may condense into water droplets, and lead to water contamination of the refrigerant circuit.

G In order to prevent insulation breakdown and ground

faults, do not allow wiring ends to come in contact with rainwater, or be subjected to condensation or dew.

G Apply sufficient thermal insulation to the refrigerant

tubing and drain pipes.

3. How to Install the Indoor Unit

3-1. Remove the Rear Panel from the Unit

(1) Remove and discard the set screw on the rear

panel. (Fig. 6)

(2) Press the 2 LL marks on the frame cover and disen-

gage the stationary tabs from the frame. (Fig. 7)

(3) Remove the rear panel.

Set screw only for transportation

NOTE

Tubing can be extended in 5 directions as shown in Fig.

8. Select the direction you need providing the shortest

run to the outside unit.

G When left tubing is to be done, switch the drain hose

and drain cap. (For details, refer to “Switching drain hose and drain cap” on page 14.)

3-2. Make a Hole

(1) Place the rear panel from the indoor unit on the wall

at the location selected. Make sure the panel is horizontal, using a carpenter’s level or tape measure to measure down from the ceiling. Wait until after cutting the hole before attaching the rear panel to the wall.

(2) Determine which side of the unit you should make

the hole for tubing and wiring. (Fig. 9a or 9b)

NOTE

In the case of left-rear tubing, use the measurement points from the edge of the rear panel for precise placement of the hose outlet. (Fig. 9a or 9b)

(3) Before making the hole, check carefully that no

studs or pipes are directly run behind the spot to be cut.

Left tubing

Left-rear tubing

2-3/4" (70 mm)

Fig. 6

Rear panel

marks

Fig. 7

Right-rear tubing (recommended)

Right tubing

Downward tubing

Fig. 8

(KMHS0772, KMHS0972, KMHS1272)

CAUTION

Also avoid areas where electrical wiring or conduits are located.

The above precautions are also applicable if tubing goes through the wall in any other location.

2-3/8" (60 mm)

Fig. 9a

(KMHS1872, KMHS2472)

Fig. 9b

+ 13 hidden pages