AIR HANDLING UNIT FUTURE
INSTRUCTIONS FOR OPERATION AND MAINTENANCE
General
2017-02-13 V. 2.0 5
1. GENERAL
For efficient and economical air-conditioning, the operation of the equipment must be monitored on a regular
basis, and the operation and maintenance instructions must be followed.
The instructions for the operation and maintenance of the air-conditioning plant contain the operating princi-
ples of the plant and its subsystems, operating programs, connection and control diagrams, location and layout
drawings, and adjustment values and operation and maintenance instructions for the equipment. (The National
Building Code of Finland, Section D2 Indoor climate and ventilation of buildings.)
1.1. Operating conditions
The standard unit is designed for indoor installation. The ambient temperature must be over 0
o
C The air to be
handled must not be corrosive or poisonous, warmer than 70
o
C or contain significant amounts of water vapour
or large particles.
CAUTION
The permitted operating conditions and any limitations must be checked from the section-
specific instructions.
1.2. CEN standard classification
Air handling unit Future complies with the CEN standard EN 1886 classification as follows:
• L2 leakage class for casing
• T3 heat transfer coefficient for casing.
1.3. Sound level
For the unit’s sound data, please refer to the design calculations supplied with the acknowledgment of order.
1.4. Safety
WARNING
The component manufacturer’s installation and operating instructions must be followed.
In case of a discrepancy between these instructions and the component manufacturer’s
instructions, follow the component manufacturer’s instructions. For the detailed
component manufacturer’s operating and maintenance instructions, please refer to our
website at
http://www.koja.fi/fi/rakennukset/tukimateriaalit/ilmankaesittelykoneet
WARNING
Do not keep extra objects on top of or inside the unit. Do not climb or walk on top of the
unit.
WARNING
Before switching on the fan, make sure that the inlet and outlet of the fan section have
been connected to the ductwork or that the access to the rotating fan parts, such as
the impeller, through an inlet, outlet or access door has been prevented with protective
screens or by other appropriate manner. The service switch of the air handling unit must be
installed and in service when the unit is switched on. The damper section of the unit must
open before the fan starts.
To Next Page
Loading...