Sharp SB-29S, SB-29 Service Manual
SHARP SERVICE MANUAL
HOT & COLD WATER DISPENSER
MODEL SB-29
SB-29S
In the interests of user-safety (Required by safety
regulations in some countries) the set should be restore
to its original condition and only parts identical to those
specied should be used.
SHARP CORPORATION
TABLE OF CONTENTS
PARTS IDENTIFICATION AND SPECIFIC INFORMATION ...................................................
CAUTIONS FOR USE .............................................................................................................
IMPORTANT SAFETY INSTRUCTIONS ................................................................................
WIRING DIAGRAM AND CIRCUIT DIAGRAM .......................................................................
COOLING SYSTEM DIAGRAM AND HOT SYSTEM DIAGRAM ...........................................
COMPONENT REPLACEMENT PROCEDURE .....................................................................
TROUBLESHOOTING ............................................................................................................
SERVICE PARTS LIST ...........................................................................................................
Page
2
3
3
4
5
6 - 13
14
15 - 19
2
PARTS IDENTIFICATION
SPECIFIC INFORMATION
Model
Rated voltage (V)
Rated frequency (Hz)
Power consumption
Hot water capacity (Litre/Hr)
Cold water capacity (Litre/Hr)
Refrigerant HFCR-134a (g)
Rated current (A)
Compressor rated input (W)
Temperature control
Dimensions (W x D x H) (mm)
Weight (kg)
SB-29 SB-29S
220
6
4
50
610
35
0.70
96
Thermostat
305 x 380 x 997
305 x 380 x 1,080
16.4 17.4
Model : SB-29
Model : SB-29S
Panel-B
Drain tray support
Drain tray support
Panel-B
Faucet ass’y
Faucet ass’y
(Hot water)
(Cold water)
Faucet ass’y
Faucet ass’y
Push button
Lamp indicator (Hot)
Lamp indicator (Hot)
Top plate
Top plate
Bottle connector
Bottle connector
Stand
Stand
Lamp indicator (Cool)
Lamp indicator (Cool)
(Cool water)
(Hot water)
Drain tray
Drain tray
Panel-A
Panel-A
Push button
3
CAUTIONS FOR USE
1. Do not locate your Hot & Cold water dispenser where the environment would offer any risk of water
contamination.
2. The Hot & Cold water dispenser must be located on a oor which is smooth, level and easily cleaned.
3. Do not locate the Hot & Cold water dispenser in direct sunlight.
4. Do not locate the Hot & Cold water dispenser next to a radiator.
5. Do not locate the Hot & Cold water dispenser within or directly adjacent to toilet facilities.
6. Do not use the Hot & Cold water dispenser or water bottle as a shelf for plants or objects.
7. Do not use sprays, mists or vapors around the Hot & Cold water dispenser.
8. Do not put any other liquid other than water into the Hot & Cold water dispenser.
9. Do not lay the Hot & Cold water dispenser on its side.
10. Do not leave the Hot & Cold water dispenser without a bottle tted.
11. Do not attempt to move the Hot & Cold water dispenser if there is a bottle in place.
12. The plastic part should be cleaned using mild soap and water. Do NOT use bleach or any cleaning agents
containing bleach or chlorine.
13. If the wire condenser is dusty or dirty. Wipe or blow it out cleaning so that unit can run in full efciency.
IMPORTANT SAFETY INSTRUCTIONS
1. Read all instructions before using the Hot & Cold water dispenser.
2. Keep the unit be checked by the authorized service center every 6 months is recommended.
3. Before operating this appliance, this unit must be grounded properly in order to prevent risk of current leakage.
Installation must be done together with electricity leakage protector unit.
4. Do not plug other electronic equipment in the same socket because the socket will overheat and may
result in re.
5. If the appliance is malfunction. Do not try to repair this appliance. For your own safety and using this
appliance with high efciency, contact the nearest SHARP service facility for repair.
In case of indoor installation.
Connect the grounded wire
to the three-prong outlet at
grounded wire position.
Copper rod 1.5 cm.
and 240 cm. in length.
(Embed into the ground)
About 30 cm.
4
WIRING DIAGRAM
CIRCUIT DIAGRAM
COOLING SYSTEM DIAGRAM
HOT WATER SYSTEM DIAGRAM
5
Compressor
Tank cooler
Hot water inlet tube
Silicone tube
Hot water outlet tube
Connector pipe
Silicone tube
Space tank
Heater tank ass’y
Heater set ass’y
Drain tube
Filter driers
Condenser ass’y
Capillary tube
Cooling coil
Tank cooler
6
COMPONENT REPLACEMENT PROCEDURE
Before beginning the service inspection and/or repair you will need to disconnect the power cord
from the Hot & Cold water dispenser and remove the bottle from the reservoir.
1. Remove the insulating seal cork tape from terminal cover.
2. Remove the cover strap xing the terminal cover.
3. Disconnect the lead wire blue and remove the PTC relay from compressor.
4. Now the PTC relay is free.
REMOVE OF PTC RELAY
REMOVE OF THERMO MOTOR
Fig. 2
Compressor
Lead wire yellow
Terminal cover
Cover strap
Thermo motor
PTC relay
1. Remove the PTC relay in accordance with “REMOVE OF PTC RELAY”.
2. Disconnect the lead wire yellow and remove the thermo motor from compressor.
3. Now the thermo motor is free.
Fig. 1
Compressor
Cover strap
Terminal cover
Lead wire blue
PTC relay
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