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Operating Instructions CP MICROTHERM DC.A
HOM225729419Ien-3
Page 3 / 12
INTERTEC-Hess GmbH · Raffineriestr. 8 · 93333 Neustadt/Donau · Germany ·
+49 9445 9532-0 · [email protected]
1
General
These operating instructions describe the safe and
proper way to work with the device. The safety informa-
tion and instructions given as well as the local accident
prevention regulations and general safety regulations
valid in the area of application must be complied with.
These instructions are a constituent part of the instru-
ment and need to be kept in the immediate vicinity of the
device accessible to personnel at all times.
Before starting any work, the operating instructions
should be read in full.
2
Use
The CP..THERM heaters are manufactured according to
standard GB 3836.13-2013, GB 3836.15-2000, GB
3836.16-2006, GB 50257-2014, GB 12476.2-2010, GB
15577-2007 and are licensed for direct heating through
flange-mounting (conduction) or for room heating (con-
vection) in Ex-zone 1 and Zone 2 for instrument categor-
ies G/ D in temperature classes T3 to T6. You will find
the temperature class for your device on the label. See
The areas of application are:
• Frost protection
• Condensation protection
• Maintaining temperature
The standard design has a room thermostat integrated in
the connecting cable for frost protection applications or a
safety thermostat for maintaining temperature. If a TAE
is used, the respective operating instructions must be
complied with.
Product approval GYJ17.1169X with appendices and
supplements.
3
Special conditions for safe use
• When installing, using and maintaining this heater,
the user must follow this operating instructions and
the following standards:
GB 3836.13-2013: Explosive atmospheres - Part 13
Equipment repair,overhaul and reclamation
GB 3836.15-2000: Electrical apparatus for explosive
gas atmospheres - Part 15 Electrical installations in haz-
ardous areas (other than mines)
GB 3836.16-2006: Electrical apparatus for explosive
gas atmospheres - Part 16 Inspection and maintenance
of electrical installation (other than mines)
GB 50257-2014: Code for construction and acceptance
of electric equipment on fire and explosion hazard elec-
trical equipment installation engineering
GB 12476.2-2010: Electrical apparatus for use in the
presence of combustible dust - Part 2 Selection and in-
stallation
GB 15577-2007: Safety regulations for dust explosion
prevention and protection
• This heater is equipped with a ground terminal and
must be connected to the equipotential bonding rail/
grounding.
• At the installation site it must be prevented getting
the heater in contact with gases which could corrode
the aluminium alloy.
• Please also note the requirements in the
.
4
Explanation of symbols for warnings
and signal words
The safety information warns the user about risks and
provide information on how risks can be avoided.
Safety information can be found at the start of the
chapter before the instructions which may lead to a haz-
ardous situation. Additional safety information can be
found at the beginning of this manual.
Safety instructions which must be adhered to are high-
lighted as follows:
DANGER
DANGER
This sign is warning about an extremely hazardous situ-
ation which, if not heeded, will lead to death or serious ir-
reversible injury.
WARNING
WARNING
This sign is warning about a hazardous situation which,
if not heeded, may lead to death or serious irreversible
injury.
