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MANDÍK CPV Installation, commissioning, and
maintenance
IZU 06/2021
MANDÍK, a.s., www.mandik.cz
R
23
8
COMMISSIONING
8.1
ACTIVITIES PRIOR TO INITIAL START-UP
The following must be performed prior to initial start-up:
•
activities prior to commissioning per the previous paragraph 6.
•
final technical audit of the electrical installation
•
adjustment of the fan speed per the values in the technical specifications of the unit
The following must be checked prior to initial start-up of the unit:
8.2
ACTIVITIES DURING INITIAL START-UP
The fans must not be started with the shut-off dampers in the unit or the control dampers in
the ductwork closed. Avoid a pressure surge caused by testing the functions of fire and other
quick-closing dampers.
The initial test operation of the unit should be less than 30 minutes. The unit and all its
sections must then be subjected to a thorough inspection.
After initial start-up, clean all the inlet filters or replace with new filters.
The following are checked during initial start-up:
The unit in general:
•
Listen for any unusual mechanical sounds
•
Check for excessive vibration from the unit
•
Seals
for the unit’s chambers and the seals on all additional penetrations through the
housing of the unit
•
The fresh air (ODA) and exhaust (EHA) dampers are open
Hot water coil:
•
Leaks in the water system connections to the heat exchanger
Electric heater:
•
The airflow velocity must not drop below 1 m/s.
Cold water coil
•
Leaks in the water system connections to the heat exchanger
Direct cooler
•
Leaks in the water system connections to the heat exchanger