5 Unit installation
Installation and operation manual
9
FWF02~05D
Fan coil units
3P443944-9T – 2023.01
Adjust the distance between the panels in the vertical direction as
follows:
a
b
a
Vertical distance for ceiling material
b
Ceiling board
Panel type
a
BYFQ60B (Standard panel)
25 mm
BYFQ60C (Design panel)
34 mm
To create an opening in an existing monolithic
ceiling board
NOTICE
It is necessary to provide a service space in the ceiling
where the switch box and water pipes can be reached.
Below dimensions can be used as a reference for the
service space or it can be determined by considering the
position of the switch box (b) and water pipes (a)
connections at the installation site.
(600 mm)
(600 mm)
b
a
If the unit must be installed in an existing monolithic ceiling board,
please follow the following dimensions:
According to the models & panels combination:
Type
a (mm)
Standard Model
BYFQ60B
Design Panel
BYFQ60C
No valve
600~660
595~600
Factory mounted
valve
652~660
≥652 A
(a)
(a)
A:
Hang the unit from the suspension bolts, then adjust the size
of the opening to be between 585-595 mm by adding extra ceiling
material (b) so that the panel and ceiling board can overlap.
a
a
b
b
5.3
Water piping installation
5.3.1
Preparing water piping
Before performing the water piping work, check the following points:
▪ The maximum water pressure is 1.6 MPa.
▪ The minimum water temperature is 5°C.
▪ The maximum water temperature is 80°C.
▪ Be sure to install components in the field piping that can withstand
the water pressure and temperature.
▪ Provide adequate safeguards in the water circuit to ensure that
the water pressure will never exceed the maximum allowable
working pressure.
▪ Provide a proper drain for the pressure relief valve (if installed) to
avoid any water from coming into contact with electrical parts.
▪ Provide shut-off valves at the unit so that normal servicing can be
accomplished without draining the system.
