Section 11: Servicing Page 37
11.1 COMPONENT REPLACEMENT
11.1.1 MAIN FUSE
The main fuse is located under the wiring centre cover, next to the
terminals on the high-voltage side. This is a 250V 5 x 20mm 6.3A
'T' type AC fuse. A spare fuse is located under the cover of the
wiring centre on the low-voltage terminals side.
In order to remove fuse lift fuse holder with at-blade screwdriver
and pull out the fuse. Refer to Figure 11-1.
11.1.2 TOUCHSCREEN DISPLAY REPLACEMENT
When replacing the touchscreen display make sure that its
software is compatible with software in the wiring centre.
The compatibility is kept if the rst number of software in the
touchscreen display and wiring centre are the same.
11.1.3 WIRING CENTRE REPLACEMENT
Requirements are analogous to the control panel.
11.2 ACCESSORIES & SPARE PARTS
Grant UK oer the individual components to the Smart Controller
system should the need arise.
Table 11-1: Accessories & Spare Parts List
Part Code Item
HPIDSMARTWRTR Wireless thermostat (with receiver)
HPIDSMARTWRT Wireless thermostat (no receiver)
HPIDSMARTRECEIVER Wireless thermostat receiver
HPIDSMARTHRT Wired thermostat
HPIDSMARTSEN2 Water temperature sensor with 2m cable*
HPIDSMARTSEN4 Water temperature sensor with 4m cable*
HPIDSMARTWSEN Outdoor Weather Sensor*
HPIDSMARTFLO Smart Flow sensor**
HPIDSMARTIMM Immersion Heater Relay**
HPIDSMARTHUB Smart Controller Wi-Fi Hub*
HPID120 3-Port Diverter valve
HPID122 3-Port Valve body**
HPID123 Motorised valve actuator**
* - supplied as part of Aerona Smart controller kit
** - supplied as part of a Aerona Smart controller installation pack
11 Servicing
Fuse
5x20
Figure 11-1 Mains fuse replacement
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