Summary of Contents for Telca TAC-12D-10
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Page 1: Service Manual
Telca air conditioner unit TAC-12D-10 Service manual Document No.: TELCA0.010.0205 Edition No.: V1.0 TELCA SCIENCE&TECHNOLOGY CO., LTD. -
Page 2: Table Of Contents
Service manual: TAC-12D-10 Contents: General Technical data Assembly Electrical connection Commencing operation and control behavior Maintenance 1. General The cooling circuit is designed in the form of a maintenance-free, hermetically sealed system. The cooling unit is filled with the required quantity of refrigerant at the factory, checked for leaks, and subjected to a functional test run. -
Page 3: Assembly
Service manual: TAC-12D-10 3. Assembly Mechanical design, electrical connection and possible repair works must only be carried out by qualified personnel. Only use original spare parts! 3.1 Assembly instructions Prior to mounting, ensure that ● The site of cabinet and hence the arrangement of air conditioner unit, is selected in such a way as to ensure good ventilation;... - Page 4 Service manual: TAC-12D-10 3.2 Assembly Uplift air conditioner unit into front door of the cabinet, position it on the fixing frame bonded with gaskets, and rivet it with M4 nuts. Care must be taken to ensure that the internal air outlet of the unit is contraposed to that of the cabinet(see figure 3.1)
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Page 5: Electrical Connection
Service manual: TAC-12D-10 4. Electrical connection After verifying that the connection voltage and frequency match the nominal values specified on the rating plate, insert one end of power supply cable with the plug into the socket established in the unit, please notice the direction of the connector, avoid put wrong, and tighten the screws of the plug to secure the connection. -
Page 6: Commencing Operation And Control Behavior
Service manual: TAC-12D-10 Fig. 4.2 D-SUB 9PIN female 5. Commencing operation and control behavior Following the completion of mounting and a waiting period of approximately 30 minutes (to allow oil to collect in the compressor in order to ensure lubrication and cooling) electrical connection can be made. - Page 7 Service manual: TAC-12D-10 ● Parameters setting Fig.5.1 Display terminal (optional) The display terminal consists of a LED display which indicates the inside temperature. Press ▲ or ▼ button to display the evaporator temperature, the LED display will flash. Parameter setting range...
- Page 8 Service manual: TAC-12D-10 ● LED status indication The WORK LED light at the left side of the screen is used as working indicator lights, flashing is to indicate the delay of cooling; if the LED is always on, it indicates it is on the state of cooling or heating;...
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Page 9: Maintenance
Unit not cooling Evaporator or condenser fan Replace motor, capacitor or sufficiently not operating entire assembly Return to Telca or locate and Loss of refrigerant or oil leaks repair leak Insufficient heat load or unit Contact Telca oversized for application... - Page 10 Service manual: TAC-12D-10 6.2 Evaporator and Condenser Coil Cleaning Periodically the coils should be cleaned. No fixed period for cleaning can be provided due to the varying environments in which the air conditioner may be installed. However once the coils become visibly coated with dust it is recommended that they be cleaned with a brush or compressed air.