Frequently Asked Questions; Tests And Warranty - Carrier 42AM serie Installations-, Betriebs- Und Wartungsanleitungen

11 - FREQUENTLY ASKED QUESTIONS

Questions/Problems
The heating capacity is insufficient
The flow rate is not as it should be
The unit is making an unusual noise
The fan motor assembly is consuming more
current than the value indicated on the data
plate
The fan motor assembly is not turning
I ordered an AIR HEATER for HEATING
purposes. I want to change my installation to
also provide COOLING for my premises.
Is this possible?

12 - TESTS AND WARRANTY

All our units are tested and proven before leaving the factory.
They are guaranteed against all manufacturing defects. CIAT shall not be held liable for any type of corrosion.
The motors are not covered by the warranty in cases of incorrect electrical connection or inadequate protection.
Under no circumstances must the fitter carry out work on the motor. This will invalidate any future claims on the warranty.
CARRIER's products carry the CE mark, demonstrating that they may be sold throughout the European Union. This mark is
your assurance that the products are safe to use.
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Possible causes
The propeller is not turning in the right direction.
The flow rate (or the water temperature)
supplied by the AIR HEATER is not sufficient.
The propeller is not turning in the right direction.
The coil is fouled
The filter is clogged
The propeller is dirty which unbalances it,
creating an awkward noise.
The fan motor assembly is not sufficiently
secured to the casing and the assembly
vibrates.
The propeller is not turning in the right direction. See the information on the "Switching on" page
The coil is fouled (or the filter is clogged), the
motor therefore overheats and the thermal
cut-out cuts the electrical supply to the motor.
-
Remedies
See the information on the "Switching on" page
Refer to the pages on "Heat, air and sound
performance" relating to your AIR HEATER unit
and compare your data to the information in the
table.
See the information on "Switching on"
See the information on "Maintenance"
Wash the filter using an environmentally-friendly
detergent or replace the filter.
See the information on the "Maintenance" page
See the information on the "Maintenance" page
Clean the coil (or the filter) according to the
information on "Maintenance" and wait for the
thermal cut-out to cool down.
Yes. It is essential that the supply air speeds on
the coil be controlled however to avoid the
creation of droplets (this can be done easily
using the 5-speed autotransformer with a fan
motor assembly with 1-PHASE).
It is also important to allow condensate to drain.
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