User manual

81505_MHW_450_03-2013_ENG

Dimensions and cut-out

Installation with panel mounting

As well as the actual instrument and these instructions

for use, the controller package also contains:

 •panelfixingkit(A)

 •1protectivesealagainstdustandwaterspray(B)

Fit the instrument to the panel as shown in the figure.

Warnings and instructions for mounting to the panel

Instructions for installation category II,

pollution level 2, double isolation.

The equipment is intended for permanent indoor

installations within their own enclosure or panel

mounted enclosing the rear housing and exposed

terminals on the back

•onlyformodelswith11...27Vac/dcpowersupply:

supply from Class 2 or low voltage limited energy

source

•thepowersupplylinesmustbeseparatefromthe

controller input and output ones

•grouptheinstrumentstogetherkeepingthemseparate

from the powered part of the relay

•donotinstallhigh-powerremoteswitches,contactors,

relays, thyristor power units (especially the “phase

angle” type), motors, etc. in the same switchboard

•avoiddust,humidity,corrosivegassesandheat

sources

•donotblocktheventilationholes:theworking

temperature must be between 0...50°C

•surroundingair:50°C

•use60/75°Ccopper(Cu)conductoronly,wiresize

range 2x N. 22 - 14AWG, Solid/Stranded

•useterminaltighteningtorque0.5Nm

Nominal ambient conditions

Before supplying the Indicator with power,

make sure that the mains voltage is the same

as that shown in the last number of the order

code.

Example:

450 – x – R – 0 = 11...27Vac/dc

450 – x – R – 1 = 100...240Vac

Altitude Up to 2000m

Working/storage 0..50°C/-20...70°C

temperature

Non condensing 20...85%

relative humidity

Panel