EQKC COMBI COOLER
FläktGroup
DC_8931GB 20180202_R0
We reserve the right to make changes without prior notice
Installation and maintenance instructions
7
FOLLOWING A FLOW ALARM
Check why the alarm was generated. Possible causes:
• Dirt in the system.
• Incorrectly set flow switch.
• The brine pump is defective or incorrectly set.
FROST PROTECTION
A frost protection sensor must be installed in the supply air coil
to prevent it freezing.
UNIT SPECIFIC FLOW
Table 1
The right flow through the evaporators has to be set in accor-
dance with table 1. The safety and function of the cooling unit
are at risk if a flow other than the specified in table 1 is used.
THE COIL CIRCUIT
Table 2
FLOW THROUGH THE SUPPLY AIR COIL
The flow through the supply air coil has to be adjusted to
obtain the correct power distribution between the supply air
and the chilled beam circuit. The flow is both adjusted and
measured with the STAD valve located inside the Combi
Cooler. The right flow over the supply air coil is available in
the unit documentation. The technical sales support division
at FläktGroup has to be contacted if the unit documentation
is not supplied at delivery. It’s summer case that the flow is
adjusted for. Therefore, valve SV2 shall take the entire flow
from the cooling circuits of primary flow, ie the connection
that comes from above.
eQ size
Power model
Brine flow l/s
014
1
0.85
2
1.14
3
1.36
018
1
1.04
2
1.36
3
1.69
023
1
1.44
2
1.84
3
2.17
032
1
2.17
2
2.73
3
3.17
041
1
2.73
2
3.42
3
4.01
Warning!
Adjustment of flow.
Warning!
Adjustment of flow. You will find the flow in
the unit (summer case) or current sellers.
eQ size
Output variant
Supply coil
Min. flow
Max.
flow
014
1
0.4
0.7
2
0.5
0.9
018
1
0.6
1.0
2
0.7
1.1
023
1
0.6
1.1
2
1.1
1.7
032
1
0.8
1.4
2
1.2
1.9
041
1
1.3
2.0
2
1.5
2.0
