Commissioning Overview
Vertiv | Liebert CRD10 | User Manual
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Chapter 5: Commissioning Overview
There are four different sections in commissioning starting with Self-Check, Preparation, Inspection of Auxiliary
Parts and Cables, Start-Up Inspection, Operating instructions, and Refrigerant oil re-filling & Troubleshooting.
NOTE: Remember that only the authorized staff and engineers of Vertiv can carry out the commissioning
process. This section is for information purpose only.
5.1 Self Check
In self check, verify whether the construction and installation meet the standard requirements to ensure
normal operation and enhanced service life of the unit. Vertiv engineers and personnel need to perform the
check-up as per the Table 5-1.
Table 5-1 Start-up Inspection Checklist
Items
Inspection contents
Results
Room
environment
Thermal isolation, moisture proof and sealing performances of protective structure.
Mounting
base
Whether the fixing is reliable and whether the vibration absorbing material between
the base and the unit is well installed.
Display panel Check for any sign of damage, check whether it has good insulation and clean surface.
Compressor
The fixing metal plate at the bottom has been removed and the compressor has been
fixed as well.
Filter net
All the filter nets have been installed in the right positions; not damaged and clean
surface.
Outdoor unit
The outdoor unit has been installed in the right position; pipes are properly supported
with suitable inclination; the oil trap has been installed in the right position.
Fan
The air inlet and outlet areas are not blocked; the blades must not be stuck or have
abnormal noises when rotating the blades.
Heater
(if installed)
The heating component has been firmly fixed and the heating cables are reliably
connected.
Power supply
Check whether the voltage, phase rotation and frequencies of the front-end power
sup- plies for the indoor and outdoor units are normal.
Check whether the power supply cables are well connected.
Check whether each functional circuit breaker and contactor are reliably connected.
SPD
(if installed)
The SPD module should not be loosened, and the alarm terminals should be correctly
connected.
Controller
All the control wirings are reliable.
Pipes
The pipes are connected and supported reliably.
The solenoid valve kit is installed in the right positions and directions.
There are no exposed copper pipes, and thermal insulation cotton is well attached.
