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1. INTRODUCTION
Congratulations on the excellent choice you have made, and thank you for the trust you
have shown in choosing YORK air-handling units, which are the result of exhaustive stud-
ies on functionality and comfort. These qualities, combined with a strong structure, make
the YORK air-handling unit one of the most reliable units of its kind now available on the
market.
The advantages provided by the YORK YEFB units include:
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silent operation;
• reliability;
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an excellent quality/price relationship;
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sturdiness and solid construction;
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easy installation and maintenance operations.
2. PURPOSES OF THE MANUAL
After opening the carton box of the air-handling unit and before installing it, carefully read
the instructions contained in this manual.
The instructions allow:
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a proper installation;
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an optimised utilisation;
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a complete knowledge of the unit.
3. APPLICABILITY OF THIS MANUAL
The following YEFB models are dealt with in this manual:
YEFB horizontal concealed ducted units: 020, 030, 040, 050, 060, 070.
4. DESCRIPTION OF THE YEFB UNIT
YEFB units, thanks to their high-pressure fan decks, permit to satisfy every request of
heating and cooling applications in big environments, where ducted air distribution is re-
quested. They are suitable for horizontal installation.
These are units for COOLING and HEATING applications; they are fed with cold and hot
water and used according to their relevant performance features.
YEFB units are components of cooling and/or heating systems; consequently, they are
without any safety devices on the water circuit. These units have been designed for tem-
peratures up to 85 °C.
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