Servicing City multi systems

Servicing City multi systems

All City multi units require servicing at least once a year to meet warranty requirements

Service frequency

The service frequency of the VRF City multi system needs to be agreed depending on the kind of environment the system is installed

If the system is installed in a clean sterile area, the fan coils may not need to be service as often as an application where the indoor environment is dusty or dirty

If the system is installed in a clean sterile area, the fan coils may not need to be service as often as an application where the indoor environment is dusty or dirty

There may also be specialist requirements for more frequent servicing in applications such as operating theatres and laboratories. This needs to confirmed with the customer

Service frequency

If the VRF City multi system is installed in a dusty or dirty environment the indoor filters and coil will become blocked a lot quicker than a clean environment

This kind of application needs to be monitored closely and filters checked regulary for the first 12 months of operation to ensure a sufficient service programme is agreed

There may also be a requirement for a periodic full system shutdown and a stripdown deep clean depending and the severety of the dirt build up on the indoor coils

Maintenance recommendations

List of general checks

• Check operation of the system in both heating and cooling modes
• Check operation of all function on remote controllers
• Clean air filters
• Clean drain pumps and drip trays
• Test drainage system
• Check fan motors and fan blades
• Inspect and clean indoor and outdoor heat exchanger coils
• Check pipe work and insulation
• Check all electrical connections
• Check all covers are secure
• Check airflow and temperature differentials across the coils
• Check supply voltages and running currents are to the required specifications