Page 38mrcool.com
Maintenance
Notice on Maintenance
Service Information
General Work Area
Inform others working in the immediate vicinity about the nature of work being performed. Avoid
work confined spaces. Section off the area around the workspace. Ensure conditions within the area
are safe by removing potentially flammable material.
The manual contains specific information for service personnel who will perform maintenance on
the product.
Ventilated Area
Ensure the area is adequately ventilated before opening into the system or conducting any
refrigerant work. Maintain adequate ventilation while working. Effective ventilation will safely disperse
any released refrigerant into the atmosphere.
Refrigeration Equipment Checks
Ensure all electrical components are compatible with the product and built to the correct
specifications. Follow manufacturer maintenance and service guidelines at all times. When in doubt,
consult the MRCOOL’s technical department for assistance.
If using flammable refrigerants, conduct the following checks:
1) Ensure ventilation machinery and outlets are operating adequately and are not obstructed;
2) If an indirect refrigerating circuit is being used, check the secondary circuit for the presence of
refrigerant;
3) Check that equipment markings are visible and legible. Replace markings that are illegible.
4) Ensure refrigeration pipe or components are installed in a position where they are unlikely to be
exposed to any substance which may corrode refrigerant containing components unless the
components are constructed of materials which are inherently resistant to being corroded or
are suitably protected against being so corroded.
Electrical component repair and maintenance should include initial safety checks and component
inspection procedures. If a fault exists that could compromise safety, do not connect the circuit to
an electrical supply until the fault is corrected.
Electrical Device Checks
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