10
BK
BU
BN
A
D
B C
BN
BU
BK
N
L
1
S
Fig.5
A
Control unit wiring chamber
B
Control unit plug
C
Plug, 3-way diverter valve
D
PCB, 3-way diverter valve
Types PBS, PBM and PBL
The 3-core connecting cable (1.5 m long) is already
prewired in the 3-way diverter valve.
Connect the 3-core connecting cable in the control
unit; see diagram.
Extension of the connecting cable:
Recommended cable: 3-core with a cross-section of
0.75 mm
2
Danger
Incorrect core allocation can result in serious
injury and damage to the appliance.
Take care not to interchange cores "L'", "R2"
and "N".
Colour coding to IEC 60 757:
BN Brown: L'
BU Blue: N
WH White: R2
Installation sequence
Connecting the return distribution set 3-way…
(cont.)
5517 095 GB
Installation
Содержание VITOTRANS 353
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