Building Air Conditioning Control System Power supply unit Model: PAC-SC50KUA Installation Manual Contents 1. Safety precautions ..........1 2. Product feature ............2 1. Specification ............ 2 2. Appearance ............. 2 3. Installation ............... 3 1. Parts prepared at site ........3 2.
For your safety, first be sure to read 1 Safety precautions described below thoroughly and then install the PAC-SC50KUA correctly. After reading this installation manual, keep it in a location that is easy to find, If the PAC-SC50KUA Power supply unit is going to be operated by another person, make sure that this manual is given to them.
2. Installation space and the direction PAC-SC50KUA Power supply unit is not waterproof. Therefore this unit shall be installed in a control panel box or similar. Please prepare the control panel box with consideration given to installation space as shown in the Fig.3-1.
MODEL PAC-SC50KUA POWER RATING WEIGHT 2.11kg SERIAL No. MITSUBISHI ELECTRIC CORPORATION Fig.3-2 4 Wiring WARNING • All electric work must be performed according to local regulations. Improper electrical work may result in electric shock or fire. • Be sure to shut off the power source of the unit and the all other unit to be connected to the power supply unit before wiring.
2. Power line Wire the power cable and protective earth cable to L,N and the earth line terminals on the TB1 as shown in the Fig.4-2. Power source Circuit breaker AC220~AC240V Power cable ~/N 50/60Hz Protective earth cable Power line terminal Fix the power line Ground Power cable...
CAUTION • Both of PAC-SC50KUA and Outdoor unit can supply DC power to the M-NET transmission line. Set the outdoor unit central control system transmission line power supply to the factory setting CN41 (no supply). For further details, refer to the installation manual of the outdoor unit. Not doing so may cause unit failure or fire.
This product is designed and intended for use in the residential, commercial and light -industrial environment. The product at hand is • Low Voltage Directive 73/23/EEC based on the following • Electromagnetic Compatibility Directive 89/ EU regulations: 336/EEC HEAD OFFICE: MITSUBISHI DENKI BLDG. , 2-2-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN WT03626X01 Printed in Japan Recycled Paper...