Mitsubishi Heavy Industries FDCW60VNX-W, Installation Manual

Page: 16 / 92

14
System requirements
The minimum water volume in the climate system is subject to
the values in the table below. If it is not fulfilled, volume
vessel must be installed.
For more options, see the docking description on Page 20.
(liter)
With underfloor
cooling application
Without underfloor
cooling application
HSB60-W,
FDCW60VNX-W
50 20
Overflow valve
NOTE
A free flow is required for all docking options, which
means that an overflow valve must be installed.
The circulation pump may become damaged.
Pump capacity diagram
HSB60-W
HSB60 is not equipped with circulation pump.
This graph shows the characteristic of CPD11-25/55.
0
10
20
30
40
50
60
70
80
Pressure
[kPa]
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
Flow [l / s]
Pressure drop in indoor unit
HSB60-W
0
5
10
15
20
25
30
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
Tryckfall HBS05
HSB60
[kPa]
Flow [l / s]
Connection of extra circulation pump
When connecting extra circulation pumps, requirements for
pressure, maximum flow etc must be met. See page 23 for
location.
NOTE
Non-return valve must be installed in case extra circulation
pump is used. See page 23 for the position.
The circlulation pump may become damaged.
Pipe installation