Sanyo CH1822 User manual

HIGH

EFFICIENCY

SERVICE MANUAL (Basic Information)

KHS1822 / CH1822

SPLIT SYSTEM AIR CONDITIONER

8526481021800 REFERENCE NO. WM–700796

Indoor Unit Outdoor Unit

CH1822

KHS1822

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ii WM– 700796

SERVICE MANUAL

KHS1822 / CH1822

(Basic Information)

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iii WM– 700796

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 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

When Wiring

ELECTRICAL SHOCK CAN CAUSE SEVERE PER-

SONAL INJURY OR DEATH. ONLY A QUALIFIED,

EXPERIENCED ELECTRICIAN SHOULD

ATTEMPT TO WIRE THIS SYSTEM.

• Do not supply power to the unit until all wiring and tub-

ing are completed or reconnected and checked.

• Highly dangerous electrical voltages are used in this sys-

tem. Carefully refer to the wiring diagram and these

instructions when wiring. Improper connections and inad-

equate grounding can cause accidental injury or death.

• Ground the unit following local electrical codes.

• Connect all wiring tightly. Loose wiring may cause over-

heating at connection points and a possible fire hazard.

When Transporting

Be 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

aluminum fins on the air conditioner can cut your fingers.

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.

…In Moist or Uneven Locations

Use a raised concrete pad or concrete blocks to provide a

solid, level foundation for the outdoor unit. This prevents

water damage and abnormal vibration.

…In an Area with High Winds

Securely anchor the outdoor unit down with bolts and a

metal frame. Provide a suitable air baffle.

…In a Snowy Area (for Heat Pump-type Systems)

Install the outdoor unit on a raised platform that is higher

than drifting snow. Provide snow vents.

When Connecting Refrigerant Tubing

• Keep all tubing runs as short as possible.

• Use the flare method for connecting tubing.

• 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.

NOTE:

Depending on the system type, liquid and gas lines may be

either narrow or wide. Therefore, to avoid confusion the

refrigerant tubing for your particular model is specified as

either “narrow” or “wide” rather than as “liquid” or “gas.”

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.

WARNING:

CAUTION:

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Table of Contents

Page

1. OPERATING RANGE............................................................................................................................... 1

2. SPECIFICATIONS .................................................................................................................................... 2

Unit Specifications ....................................................................................................................................... 2

3. DIMENSIONAL DATA............................................................................................................................. 3

4. COOLING CAPACITY............................................................................................................................. 4

5. HEATING CAPACITY.............................................................................................................................. 6

6. REFRIGERANT FLOW DIAGRAM ...................................................................................................... 8

7. ELECTRICAL DATA................................................................................................................................9

●Electrical Characteristics....................................................................................................................... 9

●Electric Wiring Diagram........................................................................................................................ 10

iv WM–700796

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1WM–700796

1. OPERATING RANGE

Temperature Indoor Air Intake Temp. Outdoor Air Intake Temp.

Cooling Maximum 95°F DB / 71°F WB 115°F DB

Minimum 67°F DB / 57°F WB 67°F DB

Heating Maximum 80°F DB / 67°F WB 75°F DB / 65°F WB

Minimum — DB / — WB 17°F DB / 15°F WB

KHS1822 / CH1822

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2WM–700796

Model No. Indoor unit KHS1822

Outdoor unit CH1822

Cooling Heating

Capacity BTU/h 16,500 / 16,000 18,000 / 17,600

kW 4.84 / 4.69 5.27 / 5.16

Air circulation (High) cu. ft/min. 440 / 420

Moisture removal (High) Pints/h 5.3 / 5.2

Phase, Frequency Hz Single, 60

Voltage rating V 230 / 208 230 / 208

Available voltage range V 187 to 253 187 to 253

Running amperes A 8.0 / 8.6 8.0 / 8.6

Power input W 1,810 / 1,760 1,810 / 1,760

Power factor % 98 / 98 98 / 98

Starting amperes A 52

S.E.E.R. (H.S.P.F.) BTU/Wh 10.0 / 10.0 (6.8 / 6.8)

Heat element kW — 1.80 / 1.47

Controls Microprocessor

Control unit Wireless remote control unit

Temperature control IC thermostat

Timer ON/OFF 24-hours & Program

Fan speeds Indoor / Outdoor 3 and Auto / 1

Air deflector Horizontal / Vertical Manual / Automatic

Air filter Washable, easy access

Compressor Rotary

Refrigerant amount charged at shipment lbs. (kg) R22: 4.25 (1.93)

Refrigerant control Capillary tube

Refrigerant tubing connections Flare type

Operation sound In-Hi / Me / Lo dB-A 47 / 44 / 40

Out-Hi dB-A 55

Max. allowable tubing length at shipment ft. (m) 33 (10)

Limit of tubing length ft. (m) 65 (20)

Limit of elevation difference ft. (m) Outdoor unit is higher than indoor unit: 23 (7)

between the 2 units Outdoor unit is lower than indoor unit: 23 (7)

Refrigerant tube o.d. Narrow tube in. (mm) 1/4 (6.35)

Wide tube in. (mm) 5/8 (15.88)

Refrigerant tube kit Optional

Accessories Hanging wall bracket

Indoor unit Outdoor unit

Height in. (mm) 14-3/16 (360) 24-13/16 (630)

Width in. (mm) 38-31/32 (990) 32-11/16 (830)

Depth in. (mm) 7-25/32 (198) 12-13/32 (315)

Net weight lbs. (kg) 30 (13.5) 134 (61)

Shipping volume cu. ft. (cu. m) 4.8 (0.136) 10.4 (0.294)

Shipping weight (Approx.) lbs. (kg) 37.4 (17) 143 (65)

PerformanceElectrical Rating

Features

Dimensions & Weight

2. SPECIFICATIONS

Unit Specifications

DATA SUBJECT TO CHANGE WITHOUT NOTICE.

Remarks: Rating conditions are:

Cooling: Outside air temperature 95°F DB/75°F WB

Indoor unit entering air temperature 80°F DB/67°F WB

Heating: Outside air temperature 47°F DB/43°F WB

Indoor unit entering air temperature 70°F WB

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WM–700796

3. DIMENSIONAL DATA

Indoor Unit: KHS1822

Outdoor Unit: CH1822

38-31/32

14-3/16

7-25/32

Rear panel

(Center point of gravity)

Drain hose O.D. 1-1/4

Narrow tube O.D. 1/4

Wide tube O.D. 5/8

Center of

tubing hole

(For right rear)

5-19/32

1-61/64

Wireless remote

control unit

6-7/64

2-13/64 19/32

Check port

1/4 narrow tubing

service valve

5/8 wide tubing

service valve

2-3/8

3-3/4

11-7/32

1-3/162-1/432-11/16

3/4

24-13/16

Air discharge

Air

intake

Air intake

21-3/16 5-3/4

12-3/12

13-1/4

4 ×15/32 dia. hole

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4. COOLING CAPACITY

230V

KHS1822 / CH1822

4WM–700796

TC: Total Cooling Capacity (BTU/H)

SHC: Sensible Heat Capacity (BTU/H)

kW: Compressor Input (kW)

Remarks: Rating conditions (* mark) are: Outdoor ambient temperature 95°F DB

Indoor unit entering air temperature 80°F DB/67°F WB

Rating Capacity: 16,500 BTU/H Air Flow Rate: 440 CFM

Evaporator Condenser

Ent. Temp. °F/(°C) Ambient Temp. °F/(°C)

WB DB 75 85 95 105 115

(23.9) (29.4) (35.0) (40.6) (46.1)

TC 16,340 15,590 14,850 14,010 12,870

kW 1.31 1.43 1.56 1.69 1.86

59 72 (22.2) SHC 11,540 11,140 10,750 10,320 9,760

(15.0) 76 (24.4) SHC 12,910 12,510 12,130 11,700 11,130

80 (26.7) SHC 14,340 13,950 13,560 13,130 12,560

84 (28.9) SHC 15,720 15,320 14,850 14,010 12,870

88 (31.1) SHC 16,340 15,590 14,850 14,010 12,870

TC 16,900 16,370 15,720 14,870 13,700

kW 1.32 1.45 1.58 1.72 1.90

63 72 (22.2) SHC 9,780 9,520 9,210 8,810 8,270

(17.2) 76 (24.4) SHC 11,150 10,890 10,580 10,180 9,640

80 (26.7) SHC 12,590 12,330 12,020 11,610 11,070

84 (28.9) SHC 13,960 13,700 13,390 12,990 12,440

88 (31.1) SHC 15,330 15,070 14,760 14,360 13,700

TC 17,360 17,080 *16,500 15,590 14,520

kW 1.34 1.46 1.60 1.74 1.94

67 72 (22.2) SHC 7,960 7,840 7,580 7,190 6,730

(19.4) 76 (24.4) SHC 9,330 9,210 8,950 8,560 8,100

80 (26.7) SHC 10,770 10,640 10,390 9,990 9,540

84 (28.9) SHC 12,140 12,010 11,760 11,370 10,910

88 (31.1) SHC 13,510 13,390 13,130 12,740 12,280

TC 17,900 17,610 17,160 16,380 15,430

kW 1.35 1.48 1.62 1.79 1.98

71 72 (22.2) SHC 6,090 5,970 5,790 5,490 5,120

(21.7) 76 (24.4) SHC 7,460 7,340 7,170 6,860 6,490

80 (26.7) SHC 8,900 8,780 8,600 8,300 7,930

84 (28.9) SHC 10,270 10,150 9,970 9,670 9,300

88 (31.1) SHC 11,640 11,520 11,350 11,040 10,670

TC 18,250 18,050 17,660 17,030 16,340

kW 1.38 1.50 1.65 1.83 2.02

75 76 (24.4) SHC 5,600 5,530 5,380 5,160 4,920

(23.9) 80 (26.7) SHC 7,030 6,960 6,820 6,590 6,350

84 (28.9) SHC 8,400 8,330 8,190 7,970 7,720

88 (31.1) SHC 9,780 9,700 9,560 9,340 9,100

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5WM–700796

208V

KHS1822 / CH1822

TC: Total Cooling Capacity (BTU/H)

SHC: Sensible Heat Capacity (BTU/H)

kW: Compressor Input (kW)

Remarks: Rating conditions (* mark) are: Outside ambient temperature 95°F DB

Indoor unit entering air temperature 80°F DB/67°F WB

Rating Capacity: 16,000 BTU/H Air Flow Rate: 420 CFM

Evaporator Condenser

Ent. Temp. °F/(°C) Ambient Temp. °F/(°C)

WB DB 75 85 95 105 115

(23.9) (29.4) (35.0) (40.6) (46.1)

TC 15,840 15,120 14,400 13,580 12,480

kW 1.28 1.40 1.52 1.65 1.81

59 72 (22.2) SHC 11,180 10,800 10,420 10,000 9,450

(15.0) 76 (24.4) SHC 12,500 12,120 11,740 11,320 10,770

80 (26.7) SHC 13,880 13,500 13,120 12,700 12,150

84 (28.9) SHC 15,200 14,820 14,400 13,580 12,480

88 (31.1) SHC 15,840 15,120 14,400 13,580 12,480

TC 16,380 15,870 15,250 14,420 13,280

kW 1.29 1.42 1.54 1.68 1.85

63 72 (22.2) SHC 9,490 9,240 8,930 8,540 8,010

(17.2) 76 (24.4) SHC 10,810 10,560 10,250 9,860 9,330

80 (26.7) SHC 12,190 11,940 11,640 11,240 10,720

84 (28.9) SHC 13,510 13,260 12,960 12,560 12,040

88 (31.1) SHC 14,830 14,580 14,280 13,880 13,280

TC 16,830 16,560 *16,000 15,120 14,080

kW 1.30 1.43 1.56 1.70 1.89

67 72 (22.2) SHC 7,730 7,610 7,360 6,980 6,540

(19.4) 76 (24.4) SHC 9,050 8,930 8,680 8,300 7,860

80 (26.7) SHC 10,430 10,310 10,060 9,680 9,240

84 (28.9) SHC 11,750 11,630 11,380 11,000 10,560

88 (31.1) SHC 13,080 12,950 12,710 12,320 11,880

TC 17,360 17,070 16,640 15,890 14,960

kW 1.32 1.44 1.58 1.75 1.93

71 72 (22.2) SHC 5,930 5,810 5,640 5,340 4,980

(21.7) 76 (24.4) SHC 7,250 7,130 6,960 6,660 6,300

80 (26.7) SHC 8,630 8,520 8,340 8,050 7,690

84 (28.9) SHC 9,950 9,840 9,660 9,370 9,010

88 (31.1) SHC 11,270 11,160 10,980 10,690 10,330

TC 17,700 17,500 17,120 16,510 15,840

kW 1.34 1.47 1.61 1.79 1.97

75 76 (24.4) SHC 5,450 5,380 5,240 5,020 4,790

(23.9) 80 (26.7) SHC 6,830 6,760 6,620 6,410 6,170

84 (28.9) SHC 8,150 8,080 7,940 7,730 7,490

88 (31.1) SHC 9,470 9,400 9,260 9,050 8,810

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