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INSTALLATION & OWNER'S MANUAL
ELECTRIC HEATER WITH PLENUM
Installation and maintenance of this air conditioning system should only be carried out by trained and qualified
personnel.
Regular maintenance operations such as cleaning the coils and air filters must be performed to keep the
units in proper operating condition.
Before undertaking any work on the unit, make sure that the power supply has been disconnected.
ELECTRICAL CONNECTIONS
All electrical wiring and connections must comply with
local standards.
Disconnecting device must have a contact separation of
at least 3 mm with all pole disconnected.
Each unit is shipped with the following items:
– an indoor unit ready for connection to the
condensing unit.
– a mounting bracket set.
– a technical guide.
– a control user guide.
HIGH STATIC DUCTED
INDOOR & OUTDOOR UNITS
INDOOR UNITS
MBC-MBH 25-65E
SAFETY
CAUTION
GENERAL PRECAUTIONS
Check that the power supply available agrees with
nameplate voltage.
Use adequate line protection.
The unit must be grounded.
The units are shipped complete with a charge of R22/
R407C refrigerant sufficient for a piping length of 5
meters.
OUTDOOR UNITS
Models
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Table of Contents
Related Manuals for York MBC-MBH 25
Summary of Contents for York MBC-MBH 25
- Page 1 INSTALLATION & OWNER'S MANUAL HIGH STATIC DUCTED ELECTRIC HEATER WITH PLENUM Models MBC-MBH 25-65E SAFETY Installation and maintenance of this air conditioning system should only be carried out by trained and qualified personnel. Regular maintenance operations such as cleaning the coils and air filters must be performed to keep the units in proper operating condition.
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Page 2: Technical Specifications
TECHNICAL SPECIFICATIONS R-22 High Static Duct Type (MBC-MBH “P” with Heater) – 50 Hz MBC-MBH Indoor Unit Models MOC-MOH Outdoor Unit Electric Heater 5/2.5 5/2.5 9/4.5 9/4.5 9/4.5 220-240/1/50 or 380-415/3/50 V/Ph/Hz Power Supply Power Consumption 3.067 3.188 3.118 4.04 3.794 5.214 6.11... - Page 3 DIMENSIONS INDOOR UNIT MBC-MBH 25 CONTROL BOX LIQUID LINE SUCTION LINE LH VIEW REAR VIEW RH VIEW FRONT VIEW MBC-MBH 35-65 CONTROL BOX LIQUID LINE SUCTION LINE LH VIEW REAR VIEW RH VIEW FRONT VIEW Model MBC-MBH 25 234.5 234.5 239 MBC-MBH 35 307.5 307.5 307...
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Page 4: Installation
INSTALLATION Unit installation details: – unit mounting plenum electric heater installation – condensate water drainage connections – refrigerant piping connections – unit wiring connection UNIT CLEARANCES A minimum of clearance is necessary around the units to ensure proper air circulation and easy access for maintenance. CLEARANCE REQUIRED FOR INDOOR UNITS Plenum Electric Heater Plenum Electric Heater... -
Page 5: Condensate Drainage
CONDENSATE DRAINAGE Condensate drainage is provided on the unit. The Where the condensate lines from several units are joined connection is located at the rear. Use a 19 mm together, each individual outlet must be fitted with an diameter plastic tube. elbow trap. -
Page 6: Fan Speeds
For ducted installations, check airflow and static pressure against values shown in the following diagrams. Insufficient airflow can cause operating problems such as icing which may damage the compressor in the outdoor unit. FAN CURVES : High Static Blower (50Hz) Fan Performance MBC-MBH 35 Fan Performance MBC-MBH 25 1400 1600 1800 2000... -
Page 7: Unit Controller Operation
UNIT CONTROLLER OPERATION EMERGENCY OPERATION Units are equipped with a switch to run in emergency operation mode. The switch is on the infrared receiver board where the LED lights are located, or in the case of wall mount units it can be accessed by opening the front grill. - Page 8 CLOCK AND TIMER FUNCTIONS To set the clock press the CLOCK button for at least 5 seconds, until the CLOCK symbol flashes. Then use the TIMER buttons to set the desired time. Finally, press the CLOCK button again to enter the time that has been set. The control is equipped with a timer that can set both start and stop times for the unit.
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Page 9: Wiring Diagram
WIRING DIAGRAM MBC 25E/MOC 25 Cooling Only MBC 35-65E/MOC 35-65 Cooling Only Indoor Indoor UNIT CONTROL UNIT CONTROL unit unit HEATER CONTROL Indoor Indoor HEATER CONTROL unit unit Outdoor Outdoor unit unit Power supply Power supply 220-240V/1Ph/50Hz/ 380-415V/3Ph/50Hz/ 208-230V/1Ph/60Hz/ 460V/3Ph/60Hz MBH 25E/MOH 25 Heat Pump MBH 35-66E/MOH 35-65 Heat Pump UNIT CONTROL... -
Page 10: Technical Appendix
Reference MUST be made to the unit installation instructions for unit weight and correct methods of lifting. Note that any residual or spilt refrigerant oil should be mopped up and disposed of as described above. 4. After removal from position the unit parts may be disposed of according to local laws and regulations. ® YORK International Corporation 035T83169-001...
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