Rev. 3 02-2021
6
MTEC.DXi.H/DXi.HF.GB-3 Use and Maintenance technical manual DXi.H/DXi.HF English
Emibyte DXi.H/DXi.HF
Direct expansion close control
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The units are deigned to reduce at minimum the risk for the people who will use them.
Anyway is impossible to eliminate completely the risk, so is strictly necessary refers to the following prescription in order to avoid them at
the maximum.
ELEMENTS
CONSIDERED
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RESIDUAL RISK
MODE
PRECAUTIONS
Exchanger coils
Small cutting wounds
Contact
Avoid the contact, use protective gloves.
Fans and grid fans.
Injury
Insertion of tools through
the fans grid during the
fans operation
Do not insert any tools throught the fans grid during
their operation
Inside unit: compres-
sors and discharge gas
pipes
Burns
Contact
Avoid the contact, use protective gloves
Inside unit: metallic
components and
electrical cables.
Electrocution, several
burns
Power supply cables in-
sulation defect, electrical
tension on metallic com-
ponents.
Adequate supply line electrical protection; utmost
care making the metallic parts ground connection.
Outside unit: Area
around the unit
Intoxicaions, several
burns
Fire due to short-circuit or
overheating of the power
supply line upstream of the
unit’s electrical panel
Section of the cables and protection system of the po-
wer supply line complying with the standard in force
High pressure safety
valve (if present)
Intoxications, several
burns, hearing loss
High pressure valve inter-
vention with the cooling
circuit panel open
Avoid opening the refrigeration circuit compartment
as much as possible; carefully check the value of
intervention of the condensation pressure valve;
use all the high pressure personal protection sa-
fety devices required by law. Use all the personal
protection devices required by law. PPE must also
protect against gas leakage from the safety valve.
The discharge of these valve is director to prevent
damage to people or things.
Unit
Burst, injuries, burns,
poisoning due to exter-
nal incense.
Fire due to natural disaster
or combustion of elemets
adjacent to the unit.
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or adequate signals indicating that the uniti s under
pressure
Unit
Burst, injuries, poiso-
ning, electrocution due
to natural disasters,
earthquake
Breaks, sagging for natu-
ral disasters or earthquake
Prepare the necessary precautions, both electrical
(adequate thermal magnetic circuit breaker and
electrical protection of the power supply lines; tre-
atment for maximum calamity when connecting the
metal parts to earth, and mechanical (for example
special antisismic anchors or anti-vibration dampers
to avoid cause accidentals breakages or falls).
