The HIU comes pre
-
wired for all components.
A wiring box is the connection point for the installer.
The installer is to provide a 230vAC 3 amp fused supply
as per BS EN 7671:2008
Ensure the HIU is earthed in accordance with BS EN 7671:2008
The connections are clearly marked as
:
L N E
Two terminals
-
T1 and T2 are provided for the volt
-
free connection to the
room thermostat.
Three cable ENTRY points
•
Mains electricity supply
•
Room thermostat
•
External sensor wire and/
or Pre
-
Payment Billing
connection
SECTION 5
-
Electrical & Wiring instructions
FUSE
T1
T2
L
N
Note that the Room thermostat switching
must be VOLT FREE !!
Programmable room thermostats (battery powered) are
recommended, but some version of thermostatic control must be used!
Any connection of Voltage to T1 and T2 will destroy the PCB
’
s in the Con-
troller and void the warranty!
T1 and T2 MUST BE VOLT FREE!
09/17 E & OE
Содержание Hiper Xi45 INDIRECT HIU 45DHW/10HTG
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