Heat pump screen
(Software Version C.OPT.18.04.313 and Later)
Figure 14: Heat pump screen
Heat Pump is an available option on certain models of YMC
2
chillers. The feature is enabled and
disabled on the SETUP Screen (Service level required). When enabled, this HEAT PUMP Screen is
accessible from the CONDENSER and the EVAPORATOR Screen. The Heat Pump Control MODE can
be selected between Heating, Cooling, or Cooling and Heating mode using the Unit Control Mode
setpoint on this screen (Operator level required).
In Cooling mode, the chiller controls the Leaving Chilled Liquid Temperature to its setpoint.
All setpoints pertinent to this feature are maintained on this screen.
Table 18: Display only fields
Field/LED name Description
Entering Condenser
Liquid Temperature
Displays the temperature of the liquid as it enters the condenser
Leaving Condenser
Liquid Temperature
Displays the temperature of the liquid as it leaves the condenser
Leaving Condenser
Liquid Temperature
Setpoints – Setpoint
Displays the active Leaving Condenser Liquid Temperature Setpoint
to which the Heat Pump is operating, whether controlled locally or
remotely, in Heating mode.
Leaving Condenser
Liquid Temperature
Setpoints – Remote
Range
Displays the temperature range over which a remote device (in Analog
or Digital Remote mode) can reset the Heat Pump Leaving Condenser
Liquid Temperature Setpoint in Heating mode. See the Leaving Con-
denser Liquid Temperature Setpoint – Range Setpoint description below.
YMC
2
Mod B with OptiView
™
Control Center
42
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