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Operating Procedures
Operator Interface
All PolyTherm Simultaneous Chiller/Heater units, whether
they are composed of a single module or up to ten
modules, are automated systems that use a touchscreen
interface panel to monitor, report, and modify critical
system functions.
Chiller/Heater Power Panels
There are two different electrical panels used in the
PolyTherm Chiller/Heater. The power distribution panel
receives power from the building source and distributes it
to individual modules. The electrical and control panels
receive power from the power distribution panel and
provides power to the individual electrical components in
each module.
Panel-Mounted Disconnect Switch
Some PolyTherm Chiller/Heater systems are optionally
equipped with a panel-mounted disconnect switch
installed on the outside of the power distribution panel (or
on each module’s electrical and control panel if the chiller/
heater has power supplied to each individual module). The
disconnect switch must be turned to the OFF position
before the panel can be opened for service. When the
panel door is open, the power is disengaged.
Power Distribution Panels
The power distribution panel distributes electricity from
the external building power supply. It also houses a circuit
breaker for each module, a phase monitor, a door-
mounted touchscreen interface panel, and an optional
main power disconnect switch. See figure below.
Figure 11. Power distribution panel
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