Zip InLine DEX Next, Инструкции по установке и Руководство пользователя

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19 Installation instructions & user manual
9120-34378 v1.00 Sept 2020 - ZIP DEX Next / DEX12 Next
Technical support
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Load shedding relay (DEX Next only)
If further three-phase appliances are connected, a load shedding relay designed for
electronic instantaneous water heaters (IN . 82250) can be connected to phase con-
ductor L2 .
To change the operating mode, after making the electrical connection and the initial
operation call up the settings menu . Then select the point “Load shedding” .
Select “
OK ” to access the edit mode . To set a value of “0”, “1” or “2” press and hold
or for two seconds . By plugging the jumper in accordance with the locking
function (see chapter »7 . Initial operation« section »Locking function«) the load shed-
ding is activated .
Value Description
0 Operation without load shedding relay, factory setting
1 Operation with normal load shedding relay
2 Operation with sensitive load shedding relay
Operating mode 1 must be selected first, thus to check the correct operation of the
load shedding relay at low appliance output (35 degree celsius setpoint and low water
flow rate) . Mode “2” must be selected if the load shedding relay flickers .
Only by a specialist!
Please observe:
• e.g. VDE 0100
• The installation must comply with current IEC and national local regulations or any
particular regulations, specified by the local electricity supply company
• The rating plate and technical specifications
• The appliance must be earthed!
6. Electrical connection
Wiring diagram DEX Next
Wiring diagram DEX 12 Next
1 . Electronic circuitry
2 . Heating element
3 . Safety pressure cut-out
4 . Connecting terminal
5 . Safety thermal cut-out
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5
3
4
Structural prerequisites
• The appliance must be installed via a permanent connection . Heater must be
earthed!
• The electric wiring should not be injured . After mounting, the wiring must not be
direct accessible .
• An all-pole disconnecting device (e .g . via fuses) with a contact opening width of at
least 3 mm per pole should be provided at the installation end .
• To protect the appliance, a fuse element with trigger characteristic C must be fitted
with a tripping current commensurate with the nominal current of the appliance .
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2
5
3
4