UPDATED A5 Panasonic technical handbook F 2025 - Flipbook - Page 116
Central Controller Wiring - U1 / U2
Only connect the central controller wiring after the systems have been addressed.
Headed outdoor to central control device
System 1
System 2
HEADER
HEADER
Earth the
Screen at the
outdoor unit
To outdoor
U1 / U2
U1 / U2
Earth the
Screen at the
outdoor unit
Header outdoor to
Centralised controller
To outdoor
U1 / U2
power
supply 230V
/ 1 / 50
Cable type : 2 Core, screened, twisted, non-polarised.
Cable size : 0.75mm² up to 1000m.
CZ-64ESMC3
Central controller
Do not ground the communication cable at the centralised controller
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