Indoor Unit - Electra DNG 100 Service Manual

INTRODUCTION
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HMI Display consists of 7-segments shows system diagnostics and setup.
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Monitoring software (PC port for high level service).
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Cooling operation at outdoor temperature down to -10°C.
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Heating operation at outdoor temperature down to -15°C.
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Up to 100Pa (4-5HP) and 200Pa (6HP) External static pressure.
1.3

Indoor Unit

The DNG DCI indoor unit is a low silhouette ducted unit, and can be easily fitted to many
type of residential and commercials applications.
•
Low silhouette units 300 mm height.
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High technology plastic fan and fan housing.
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Drain pool at bottom of unit with internal downward slope.
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Over-flow switch, stops compressor operation in case of a blocked drainage.
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Bended coil hydrophilic coated aluminum fins.
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3-speed fan motor and an extra speed in case a higher external static pressure re-
quired.
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Tubing connections at the back of the unit to allow easy outlet to both sides of the
unit.
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Easy installation and service access.
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Infrared remote control with liquid display unit (LCD).
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Field options:
(1) External water pump.
(2) Airconet connection.
(3) Plenum kit for connection of flexible duct hoses at air outlet.
1.4 Filtration
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The unit is equipped with pre filters.
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Easy and versatile access, rear or bottom, can be easily adjusted by the installer.
1.5 Control
The micro processor indoor controller, and an infrared remote control, supplied as
standard, provides complete operating function and programming.
For further details, please refer to the Operation Manual, Appendix A.
1.6 Outdoor Unit
The DCI outdoor units can be installed as floor or wall mounted units by using a wall-
supporting bracket. The metal sheets are protected by anti- corrosion paint work allowing
long life resistance. All outdoor units are pre-charged. For further information, please
refer to the Product Data Sheet, Chapter 2.
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Compressor mounted in a soundproofed compartment.
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Improved 3-blades axial fans for noise reduction.
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Outdoor coil with hydrophilic fins optimized for operation with R410A refrigerant.
1-2
CONTENTS
SM OU12HP 2-E.2 GB