Signs And Symbols On The Unit - Pfannenberg DTS Serie Manual De Instrucciones

ENG
3.6

Signs and symbols on the unit

The signs and symbols attached to the unit must be observed.
The signs and symbols attached to the unit must not be removed and must be kept in a fully legible condition. Damaged or
illegible signs and symbols must be replaced.
Sign/Symbol
Tab. 2: Signs and symbols on the unit
Operating Manual | Attachment and Installation Cooling Units | Standard Controller (SC) – 230 V | 086100005e
Position
Rear of unit at the connection
for the function equipotential-
bonding
Rear of unit at the connection
for the protective
equipotential-bonding
Rear of unit
Rear of unit
Rear of unit
Rear of unit, only in
400 / 460 V units.
Rear of unit, only in
400 / 460 V units.
Description
Functional equipotential-bonding for a signal reception with
low interference between the unit and the switch cabinet.
Protective equipotential-bonding for the connection of metal
components and dissipation of a possible touch voltage.
Connection diagram
Warning – Disconnect power before opening the unit
X51 – connection terminals Multimaster input/output
X54 – connection terminals door contact and fault indication
X50 – connection terminals mains supply
Warning – Danger of electric shock. Switch off power to the
unit before working on the unit.
Warning – Moving parts. Do not operate the unit without the
unit cover.
Only replace fuses with the appropriate class CC fuses.
Maximum 4.5 A, minimum 480 V
Do not open fuse holders under voltage
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