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Polar Bear Duo air coolers andPolar Bear Duo G liquid cirulated air coolers
Polar Bear Duo –
air coolers and liquid circulated
air coolers are designed for working rooms, wheredraught free cooling is especially required. The are also suitable for cold storages and freezing rooms,
when a dual discharge air flow is needed. The range includes CA-models with copper tubes designed
for refrigerants and liquids, which do not corrode copper and SA-models with stainless steel tubes
suitable for NH
3 and for conditions requiring special corrosion protection. Technical data Features The heat transfer section is made of aluminiumfins and copper tubes (CA) with 4 mm, 7 mm or
12 mm fin spacing or stainless steel tubes (SA)
with 4 mm or 7 mm fin spacing. As an option,
aluminium fins with epoxy coating are also avail-
able with 4 mm fin spacing (please check electric
defrost capacity). The capacity correction factor
for heat transfer capacity of epoxy-coated
aluminium is 0.97. Casing material is polyester
coated hot dip galvanized steel, colour white
NCS 1002-4. Triple, fully with cellular plastic
insulated drip trays, which are easy to open and
remove for cleaning. Units have both electric de-
frost and hot gas defrost as alternative. A reliable,
energy saving defrost heating element is used in
the tray defrost.A manual including installation and service in-structions is shipped with each unit. 9 sizes with nominal capacities from
3.06…53.1 kW ((R404A, SC2, EN 328)) Performance data of
air coolers according to
Eurovent Rating Standard 7/C/001 In
evaporator use inside grooved Cross Hatch-
tube, smooth tubes in liquid use Two fan sizes and four fan speed alternatives Hygienic construction; the casing is made of
polyester coated, hot dip galvanized steel.
The unit can be tightly installed to the ceiling. Triple, fully with cellular plastic insulated drip
trays, which are easy to open and remove for
cleaning Adjustable deflector to control air throw and
to guarantee draught free cooling as an option Product selection with the Polar Power selection
program, which includes also a graphical air
throw diagram
106/2003
