Carrier XCT 7 40VH015A-7G-QEE Manual De Operación E Instalación página 28

Installing Heat Reclaim Ventilation
Installing Wire Control
1. Removing Top Cover
Install PC plate on the top cover of wire control.
Take care not to damage PC plate while removing top cover.
2. Indoor Unit Connection
Connect terminals (A, B, C) on bottom of wire control to terminals
(+12V, GND, S) on indoor PCB.
CAUTION:
While conducting connection, keep certain distance (over 10mm)
between signal line and power line.
Size of Signal Line:
Type Shield Line (three cores)
Size
CAUTION:
Make sure that terminal joints have been connected tight and no
short circuit exists between terminals.
3. Installing Wire Control
Bore two holes on wall according to the positions of two screw
holes on the back cover of wire control; fix back cover with bolts
and close front cover.
CAUTION:
Fix back cover on even wall surface, and do not apply too much
force when screwing down bolts lest wire control is damaged.
4. Close top cover and take care not to press on wire.
CAUTION:
Do not touch PCB panel with hands
0.33mm
2
20
Wire Control Circuit Board
Back Cover
Screw Hole