Intended Use; General Overview; Permissible Usage Conditions; Duty Of The Operator - Pfannenberg DTT 6301 Serie Instructions D'utilisation

GB
1

Intended use

1.1

General overview

Die Pfannenberg roof-mounted cooling units of the DTT series DTT are stationary cooling units for the dissipation
of heat from switch cabinets. The DTT cooling units are mounted on the switch cabinet roof.
The cooling units have different cooling outputs. For exact power specifications, see
The cooling units have cut-out compatibility with air/air heat exchangers and air/water heat exchangers. Use of
aluminum filters, fleece filters and fluted filters is possible with an additional adapter.
The cooling units are available with different controllers. Cooling units are available with a standard controller (SC)
or a multicontroller (MC). These controllers are regulating units for the adjustment of refrigeration functions and
operating data. They also enable readouts of system messages and diagnostic data. The
also equipped with a multimaster function and energy saving mode.
 For detailed specifications for the controller, see
All Pfannenberg cooling units are ROHS-compliant and free from:
• silicone connections
• PCT, asbestos, formaldehyde, cadmium
• moisture-impairing substances
 All cooling units are factory-tested for conformance to pressure tightness standard UVV-BGV D4.
 Comprehensive safety testing is carried out in the factory prior to delivery. The proper and safe condition of the
cooling units is checked. The operator's duty in according to Accident Prevention Regulation BGB A2, §5 (4) for the
electrical safety testing during the initial commissioning does not apply.
1.2

Permissible usage conditions

 The permissible ambient air temperature range of DTT cooling units is +15°C (+59°F) to +55°C (+131°F).
 The permissible storage temperature of DTT cooling units must not exceed +70 °C (+158°F).
1.3

Duty of the operator

The operator must ensure that the cooling units are used exclusively as intended and dangers of all types to the life
and limb of users or third parties are avoided. In addition, accident prevention regulations and recognized safety
rules are observed.
The operator must ensure that all users have read and understood this operating manual.
Non-observance of this operating manual will void the warranty. The same applies if improper work has been
carried out on the unit by the customer and/or third parties without the approval of the manufacturer.
Operating Manual DTT 6301 Standard Controller (SC) 086100026 © Pfannenberg GmbH
Technical data, and operation
Technical data.
multicontroller (MC) is
standard controller.
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