AERMEC OMNIA UL_R 27 Manual De Instrucciones E Instalación página 19

Omnia UL_R/UL_RI 27-37
15.1. ELECTRICAL CONNECTIONS BY THE
INSTALLER
The fan coil units are completely factory wired
and the following connections are the responsi-
bility of the installer (fig.3):
− Connect the power supply and earth cable
downstream of a protective isolator in
accordance with applicable wiring regula-
tions.
− Connect the isolating solenoid valve, if sup-
plied.
− Connect the network cables (if networked).
− Connect the external contact cables (if
required).
− Check all connections are correctly tight-
ened and fixed.
RECOMMENDED CABLES FOR ELECTRICAL CONNECTION
For electrical power supply
Cable type Installation type Recommended section
H07 V-K or N07 V-K with insulation conduit or tube
450/750V
H5VV-F with double insulation exposed cable
For earth connection
Cable type Installation type Recommended section
Standard any
15.2. DIP-SWITCH SETTINGS
The electronic circuit board has dip-switch set-
tings for various installation options. There are
eight dip-switches and each of their function is
described in the adjacent table.
(fig.03)
Dip-switch SW1 (fig.03)
Position Function
Dip 1 (Default OFF) Water valve control:
OFF Without water isolating valve
ON With water isolating valve
Dip 2 (Default OFF) Radiant heating control:
OFF Radiant heating as replacement
ON Radiant heating as supplementary
Dip 3 (Default OFF) Not used
OFF -
ON -
Dip 4 (Default OFF) Ventilation enabling:
OFF Normal range enabling
ON Reduced range enabling
Dip 5 (Default OFF) ΔT setting
OFF
Combination between Dip 5 and Dip 6 see
(fig.4)
ON
Dip 6 (Default OFF) ΔT setting
OFF
Combination between Dip 5 and Dip 6 see
(fig.4)
ON
Dip 7 (Default OFF) Dead-band:
OFF Dead-band 5K
ON Dead-band 2K
Dip 8 (Default OFF) Not used
OFF -
ON -
IUL_R-UL_RIPI. 2307-C6976485_00
min/max. 0.5/2.0 mm
2
min/max. 0.5/2.0 mm 2
min/max. 0.5/2.0 mm
2
Legend
L
N
PE
VSi
VSd
MV
SW
TTL
BL
NE
MA
RO
Dip 6 Dip 5 ΔT
Off Off
Off On
On Off
On On
OMNIA RADIANT (UL_R) - OMNIA RADIANT PLUS (UL_RI)
Line
Neutral
Earth
Isolating solenoid valve
Diverting solenoid valve
Fan motor
Water sensor
TTL serial network
Blue
Black
Brown
Red
Dip-switch SW2
Position Function
Dip 1 (Default ON) Radiant plate control:
OFF -
ON Radiant plate function
Dip 2 (Default OFF)
OFF -
ON -
0.5K
0.8K
1.2K
1.5K
EN
19