Menu Screen 2:
Inlet Cold Water Temperature
Pressing
▼
2 times displays
Cold temp: XXX F or C
This screen displays actual cold water inlet supply temperature as measured at RTD (T2) if
the Nucleus is so equipped with the optional inlet temperature sensors.
Note:
A large negative value displayed at the
Cold temp
line is an indication that there is
no sensor installed to the main control board, the wiring to the main board is improper or
the sensor is damaged.
Menu Screen 3:
Return Water Temperature
Pressing
▼
3 times displays
Rtrn temp: XXX F or C
This screen displays actual return water temperature if the Nucleus is equipped with the
optional Return Temperature RTD, value as measured on (T4).
Note:
A large negative value displayed at the
Rtrn temp
line is an indication that there is
no sensor installed to the main control board, the wiring to the main board is improper or
the sensor is damaged.
Menu Screen 4:
Inlet Hot Water Pressure
6