LIQUID-COUPLED HEAT EXCHANGER ECONET
®
Installation & Maintenance Manual
4
FläktGroup DC_9010GB 20180327_R0 Specifications are subject to alteration without notice
L
S
E
W
200
H
A
GT42
SV40
GP40
GT40
GT41
GP41
Motor cable
2
3
4
1
6
5
ECONET
®
SCOPE OF DELIVERY
Heat exchanger:
The ECONET
®
heat exchangers consist of a finned coil in the
supply air unit and in the exhaust air unit with functions for
heat/cooling recovery, heating as well as cooling of the supply
air. The coils are equipped with drip trays and connections
for air purging and drainage. A droplet eliminator should be
chosen if the air velocity through the coil is high. The coils are
manufactured from copper tube, which is expanded against
aluminium fins. The header consists of either copper or rust-
protected steel. The maximum operating pressure of the coils
is 1.5 MPa, and the test pressure is 2 MPa.
Other material for the tubes, fins and the framework can be
specified in the Acorn selection program.
Coils with hygiene fins should be specified if cleanability
of the coils according to standards VD13803 and VD16022 is
required.
The supply and exhaust air coils are connected together
by a liquid circuit with the possibility to connect externally
supplied energy or heating/cooling. (EQRZ-05 ECONET
®
Exchanger Package, see separate manual).
Pump unit:
The pump unit consists of a pump, pipes , valves, sensors,
frequency inverter which controls the ECONET
®
energy
recovery.
The pipes in the pump unit are anti rust painted and insulated
with Armaflex. The pump consist of a base and a pump head,
between which the chamber stack and the outer sleeve are
secured by means of staybolts. The base and pump head
are made of cast iron, and all other wetted parts are made of
stainless steel, DIN 1.4301. All pumps are equipped with a
maintenance-free mechanical shaft seal of the cartridge type.
Max . operating pressure for the pump is 16bar / 160 mWC /
1.6 MPa.
The pump unit is designed to be mounted separately with
a stand for mounting on the floor. The pump unit is delivered
separately on a pallet.
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