Commissioning Multi-DENCO
96 FläktGroup DC-2013-0101-GB • Subject to modifications • R5-08/2020
8.1.2 Suggested equipment
It is important that all equipment is safe to use, is calibrated and is portable appliance
tested (PAT) where appropriate. Below is a list of recommended equipment to be able
to commission a unit:
– Electrical test meter
– Phase rotation meter
– Current measuring device
– Airflow measuring device
– Digital thermometer
– (If humidifier is fitted) water conductivity meter
– Suitable R410A refrigerant gauge manifolds and gauge lines
– Oil pump
– Vacuum pump (must be able to achieve 2.66 mBar)
– Fresh vacuum pump oil
– Digital refrigerant cylinder weighing scales
– (if chilled water circuit is fitted) Hydronic Manometer
– (if using glycol) Refractometer
8.2 Pre-commissioning procedure
For all checks, we recommend following EN 378-3. Ensure all protective clothing and
equipment is worn. In particular:
– Suitable eye protection
– Suitable hand/finger protection
– Protective cloths for entire body including safety footwear
8.2.1 Pre-commissioning checklist
We recommend that the "Pre-Commissioning Checklist" is completed, by the
installer/contractor, prior to the commissioning engineer attending site. A copy of this
checklist can be found in chapter 13.1. Please present this completed checklist to the
commissioning engineer on or before their arrival.
If the site does not meet the requirements or information required in the checklist, the
engineer may be unable to conduct the commissioning and may abort the commission-
ing.
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