Modular variable speed air handlers for use with split system cooling & heat pump 1200 - 2000 cfm blowers 3 - 5 ton coils optional 1 & 3φ electric heaters (13 pages)
............................10 - Maintenance ................................11 - Technical appendix ..............................Parts List: (Contact York) Decommissioning, Dismantling and Disposal 1 - Safety Installation and maintenance of this air conditioning system ELECTRICAL CONNECTIONS should only be carried out by trained and qualified personnel.
<-- 2 - Indoor & outdoor units 2.1 - Indoor unit 2.3 - Outdoor unit Each unit is shipped with the following items: The units are shipped complete with a charge of R22 refrigerant - an indoor unit ready for connection to the condensing unit, sufficient for a piping length of 7.5 metres.
<-- 4 - Dimensions 1. False ceiling 6. Holes ø 2,9 mm 2. Condensate drainage 7. Pre-stamped knock-out for remote air discharge 3. Gas line connection 8. Pre-stamped knock-out for outdoor air intake 4. Liquid line connection Note: An outdoor air grille and an air filter must be used with the 5.
<-- 5 - Installation • Connections Condensate water evacutation Indoor unit Suction line Liquid line Electrical connections between sections Infrared receiver board located behind the air return grill. View : Electric heat supply (option) Connectors COOL NOR HEAT POWER Optional electric heating coil AKR01A (2kW) : MKC (cooling only) : The heating element, instal- TIMER led around the coil like a belt, is activated by a...
<-- 6 - Condensate drainage Condensate drainage Condensates collected in the drain pan are piped to a tank fitted with : - a drainage pump, with a pumping height of 0.6 m measured from the base of the cassette unit (see diagram opposite), Max.
<-- 7 - Refrigerant piping connections Make piping runs as short as possible and avoid all Insulation unnecessary changes in direction or elevation. To prevent heat loss, the two lines must be insulated s e p a r a t e l y. Use an appropriate bending tool to form curves and avoid flattening the refrigerant tubes.
<-- 8 - Wiring diagram Cooling only units - MKC Heat pump units - MKH Indoor unit Indoor unit Outdoor unit Outdoor unit Power supply Power supply 220V/1Ph/50Hz 220V/1Ph/50Hz Wiring sizes For details of indoor and outdoor unit wiring, see the diagram Unit size supplied inside the units.
Page 9
<-- 9 - Front panel installation (cont’d) Fig. 6 Fig. 7 Directing the airflow • Integral diffuser In the cooling mode, cool air is discharged horizontally just below With direct air discharge, pay particular attention to the direction the ceiling, ensuring even air distribution in the room due to the in which the air is discharged.
<-- 10 - Maintenance The units are designed to operate for long periods of time with a minimum of maintenance. However, the following operations must be performed regularly. Component Maintenance operation Recommended frequency Air filter 1 - Clean with a vacuum cleaner or tap gently then Every month or more wash in warm water (40°C) with a mild detergent.
Page 11
<-- CONFORMITY DECLARATION FOR MACHINES C.R. YORK, S.L. PASEO ESPRONCEDA, 278, 08.204 SABADELL DECLARE UNDER OUR OWN RESPONSIBILITY THAT THE MACHINE: DESIGNATION: Air conditioning TYPE: MKC 12-18-24 & MKH 12-18-24 SERIAL NUMBER: IS IN COMPLIANCE WITH THE REQUIREMENTS OF: • APPLICABLE EEC DIRECTIVES 89/392/EC, 89/336/CEE •...
Page 12
4. After removal from position the unit parts may be disposed of according to local laws and regulations. E - TEC - M9910 YORK ® Europe YORK INTERNATIONAL Manufacturer reserves the right to change specifications without prior notice.
Need help?
Do you have a question about the MKC 12S and is the answer not in the manual?
Questions and answers