Sakura COOLING ONLY Installation, Operation & Maintenance Manual Download Page 1 | Manualshive

Page: 1 / 23

Sakura COOLING ONLY Installation, Operation & Maintenance Manual Download Page 1

ROOFTOP

PACKAGE AIR CONDITIONER

Installation/Operation/Maintenance Manual

SPRT UNIT MODEL : COOLING ONLY

This manual provides the procedures of installation to ensure a safe and good standard of

operation for the air conditioner unit.

Special adjustment may be necessary to suit local requirements.

Before using your air conditioner, please read this instruction manual carefully and keep it for

future reference.

1
2
3
...
»

Summary of Contents for COOLING ONLY

Page 1: ...This manual provides the procedures of installation to ensure a safe and good standard of operation for the air conditioner unit Special adjustment may be necessary to suit local requirements Before using your air conditioner please read this instruction manual carefully and keep it for future reference ...

Page 2: ...ion and experienced with this type of appliance All field wiring must be installed in accordance with the national wiring regulation Ensure that the rated voltage of the unit corresponds to that of the name plate before commencing wiring work according to the wiring diagram The unit must be GROUNDED to prevent possible hazard due to insulation failure All electrical wiring must not touch the refri...

Page 3: ...SAKURA 100 105 2 GENERAL DATA SAKURA Total Air Conditioning Solution ...

Page 4: ...3 OUTLINE AND DIMENSIONAL DATA SAKURA Total Air Conditioning Solution SPRT 100 105 ...

Page 5: ...ng noise and vibration A place protected from direct sunlight Otherwise use an awning for protection if necessary A place where smooth drainage of rain water and water formed by defrosting is acceptable A place where the unit will not be buried in snow A place where air outlet port is not exposed to strong wind A place where the air discharge and operating sound level will not annoy the neighbors ...

Page 6: ...ld be sealed with weather stripping to prevent the rain sand dust etc from entering the building Correct size of filter must be installed at the return air duct Refrigerant Charge The units are full charged in Factory no additional charge is necessary The table below shows the amount charged pre unit R 22 Refrigerant Charge amount Model Charge per circuit kgs SPRT 80 1 x 4 5 1 x 5 6 SPRT 210 2 x 7...

Page 7: ...the compressor discharge side and the low pressure compound gauge to the low pressure check joint at the compressor suction side Connect the vacuum pump to the service joint of the unit liquid stop valve 1 Operate the vacuum pump to perform primary evacuation of the piping and the unit 2 Slowly open the liquid outlet stop valve and the gas inlet stop valve Ensure that the unit is being evacuated b...

Page 8: ... R S or T of the power source is incorrectly connected the compressor does not start due to the activation of the reversal phase protection relay Therefore in order to check the correct wiring connection the utilization of a phase sequence indicator is recommended when the unit is started after installation of the units Crankcase Heater Bound around the steel chamber for the hermetic compressor th...

Page 9: ...8 SAKURA Total Air Conditioning Solution ...

Page 10: ...Control Function 9 SAKURA Total Air Conditioning Solution ...

Page 11: ...10 SAKURA Total Air Conditioning Solution ...

Page 12: ...11 SAKURA Total Air Conditioning Solution ...

Page 13: ...12 SAKURA Total Air Conditioning Solution ...

Page 14: ...13 SAKURA Total Air Conditioning Solution ...

Page 15: ...14 SAKURA Total Air Conditioning Solution ...

Page 16: ...15 SAKURA Total Air Conditioning Solution ...

Page 17: ...16 SAKURA Total Air Conditioning Solution ...

Page 18: ...17 SAKURA Total Air Conditioning Solution ...

Page 19: ...minal block for controller are shown below No Descriptions 1 Terminal Block for Main Supply 2 Terminal Block for Control 3 Terminal for Earth 4 Magnetic Contactor for Compressor 5 Magnetic Contactor for Evap Fan Motor 6 Fuse 7 Reverse Phase Protection 8 Controller Method for connecting electric wire Before connecting the wire consult the electric power company of jurisdiction The entire wiring dia...

Page 20: ...Electrical Wiring Diagram 19 SAKURA Total Air Conditioning Solution SPRT100 105 1 STAGE COOLING ONLY ...

Page 21: ...to adjust the tension of the belts so that the belts have adequate tension However after the first twenty four hours of operation the belt should be checked and adjusted If the tension is in more than is normally acceptable Motor and blower bearings receive undue strain and as a consequence the unit will create vibration and noise problem The belt should be read justed to the recommended tension a...

Page 22: ...e Causes Remedy Unit does not run Power Failure Press the ON OFF after power restore Fuse blown or circuit breaker tripped Replace fuse or reset circuit breaker Power supply wiring phase incorrect Modify the wiring phase Compressor does not run Power line open Reset Circuit breaker Control circuit breaker trip Check control circuit for ground or short repair and reset breaker Safety device tripped...

Page 23: ...dryer Compressor will not unload Burned out coil Replace coil Leaky bypass piston Replace Weak bypass piston spring Replace Airflow is low Filter is filled with dust and dirt Clean the filter There are some obstacles at the air inlet or outlet of the units Remove obstacles Compressor operates continuously Dirty air filter Clean the air filter Temperature setting too low for cooling Temperature set...

Reviews:

No comments