Viessmann Divicon Installation Instructions Manual page 26

Heating/cooling circuit distributor with mixer

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Extension kit with mixer PCB

Danger

Incorrect electrical installations

can lead to serious injury from

electrical current and result in

appliance damage.

Connect the power supply and

implement all safety measures

(e.g. RCD circuit) in accordance

with the following regulations:

■ IEC 60364-4-41

■ VDE regulations

■ TAR medium voltage VDE-

AR-N-4110

■ Connection conditions of the

local grid operator

Danger

The absence of system compo-

nent earthing can lead to seri-

ous injury from electric current if

an electrical fault occurs.

The appliance and pipework

must be connected to the equi-

potential bonding of the building.

(cont.)

Isolators for non-earthed conductors

■ The mains isolator (if installed) must

simultaneously isolate from the mains

all non-earthed conductors with a

minimum contact separation of 3 mm.

■ If no mains isolator is installed, iso-

late all non-earthed conductors from

the power supply by the upstream cir-

cuit breaker with a minimum contact

separation of 3 mm.

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