General Information; Unit Installation; Warnings: Avoid; Choosing The Installation Site - Carrier 42 DWC-Serie Installationsanweisung

General information

Unit installation

Read this instruction manual thoroughly before using the unit
and keep it for further consultation even after installation.
This appliance conforms to the Low Voltage Directive
(73/23 EEC) and Electromagnetic Compatibility Directive
(89/336 EEC). The installation must be carried out by a
qualified installer.
The appliance must be installed in an area which is not
accessible to the public.
WARNING! Always disconnect the appliance from the mains
supply before starting any maintenance work and before
accessing any internal components.
information carefully.
any damage is visible, report it to the carrier immediately. Do not
followed for the main supply circuit. Follow all current national
Ensure that a properly sized and
connected ground wire is in place.
the same line. Make sure that properly sized disconnecting and
safety switches are installed.
modifications or errors in the electrical or hydraulic connections.
Failure to observe the installation instructions, or use of the unit
under conditions other than those indicated in the table "Operating
limits" of the unit installation manual, will immediately invalidate the
unit warranty.
system functions to the owner.
All of the manufacturing and packaging materials used for
your new appliance are compatible with the environment and
can be recycled.
electric cables, cover the connectors using the silicon rubber
caps.
ground connection.
source, the use of a water on-off valve is necessary at the coil
input in order to avoid that the heating element works when water
is circulating.

Warnings: avoid...

(see fig. 2).
... installing in environments where oil vapour is present
(see fig. 3/4).
... installing out-of-level: this causes dripping (see fig. 5).
... partial insulation of pipes (see fig. 6).
24 42 DW
see fig. 1).
disconnect the safety switch in case of abnormal events (such as
smell of burning) and call Carrier Service for further instructions.
unit.
the correct operation of the electric connections and protection
personnel only).
personnel.
smell (such as smell of burning).

Choosing the installation site

Positions to avoid:
premises.
Recommendations:
air distribution and/or return.
avoid deformation, break or vibration during operation.
drawing).
air distribution.
an appropriate drain.
part of the latter can be removed for carrying out maintenance
operations on the unit.
material that may obstruct the coil.
unit and the hanging system so as to prevent noise transmission.
... connecting condensate piping to sewage system drain without
unit discharge head in order to allow sufficient and continuous
water evacuation (see fig. 7/8).
... horizontal sections and bends in the condensate drain pipe
which do not have a minimum gradient of 5% (see fig. 9).
... flattening or kinking pipes or condensate pipes (see fig. 10/11)
... any slack in the electrical connections (see fig. 12).