McQuay MAC Especificaciones Pagina 8

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Antifreeze Protection
The chiller unit has several anti-freeze protection features:
1. Brazed plate heat exchanger anti-freeze
The BPHE has a strip heater around it to prevent water freezing inside
2. Auto mode
The chiller controller will force on the unit to the heat mode if the outdoor ambient air temperature
becomes too cold.
Maintenance
In order to facilitate of the controller, a rocker switch is provided to power-off the supply to the PCB. However,
switching off the switch will not disconnect the main incoming power supply to the chiller unit.
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