Multi-DENCO Commissioning
FläktGroup DC-2013-0101-GB • Subject to modifications • R5-08/2020 97
8.2.2 General checks
AFTER all installation work has been completed and the pre-commissioning checklist
has been completed, the following checks should be completed BEFORE mains elec-
trical supply power is applied to the unit:
Documentation
• Check that the unit configuration (listed on the serial plate) matches what has been
ordered
• Check the "Pre-Commissioning Checklist" (chapter 13.1) has been completed and
has been filed appropriately
• Check that a copy of this manual is available with the unit or within the site
• Check a copy of the electrical drawings/wiring diagrams are available
Multi-DENCO unit
• Check the unit internally and externally for any damage
• Photograph and record any damage (including shipping damage) and inform the
end user
• Check the unit has the minimum clearances available (chapter 5.1)
• Check that the fans inside the unit can rotate freely
• Check the unit is mounted suitably within the room (e.g. if on a base frame)
• Check that the entire heat exchanger is protected by the air filter(s)
• (If fitted) check the humidifier is supplied with water and that the earth bonding
device is secured to the incoming pipework
• Check that the condensate drain is connected correctly and water can drain freely,
for both coil condensate and humidifier (if fitted)
WaterCool Module (W-Version)
• If installed remotely from the Multi-DENCO unit, ensure that it is stable and secure.
• If installed alongside the Multi-DENCO unit, ensure the module is connected
correctly and securely.
• Ensure all pipework connections are accessible.
Room
• Check interconnecting services, Mechanical and Electrical, have been installed as
per requirements in chapter 6 & 7 respectively
• Check the dimensions of raised floor is sufficient for airflow (if used)
• Check floor tiles do not prevent the opening of panels and doors
• (If used) check all dampers (including fire protection) are fully open
• (For humidity control) check the control space/installation room is vapour sealed and
fresh air is not supplied excessively
Outdoor unit
• Check the unit is installed with appropriate clearances and the fans and coils are
free to operate (chapter 5.6.5)
• (If powered from indoor unit) check the unit's isolator is set to the 'ON' position
• If separate power supply, leave isolator in the OFF position
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