Vents OKF, User Manual, Page: 3 / 12

3
OKW, OKF
The present user manual contains technical description, operation and mounting instructions, technical
data for the duct coolers, hereinafter referred as the coolers.
INTRODUCTION
USE
DELIVERY SET
The coolers are available in two types: direct expansion cooler (OKF) or water cooler (OKW).
Duct water cooler OKW:
Maximum operating pressure: 1.5 Map (15 bar).
Direct evaporation cooler OKF:
Maximum operating pressure: 2.8 Map (28 bar).
All the coolers are proved for pressure and leakages. The coolers are designed for operation in the cold and
moderate climatic zones.
The duct coolers are designed for supply air cooling in supply or air handling units integrated into
rectangular ventilation systems.
Flange dimensions [width x height], mm
Number of cooling coil rows
Cooler type:
W - water, F - direct evaporation
OKх ХХХхХХХ - 3
DESIGNATION KEY STRUCTURE
duct cooler - 1 item;
user manual - 1 item;
packing box - 1 item.
MAIN TECHNICAL DATA