Figure 70: Hot water control valve
Auto/manual mode (RHW only)
The ability to choose between automatic and manual mode is available when the controller is being
used to manage the residential hot water control valve. It is not available for any other mechanism.
To access manual mode, press the
Display
button. Then, press the
Mode
button. Hold it for at least
2 seconds. The Lower Display starts to flash and MAn appears.
When the Lower Display changes and MAn appears, release the
Mode
button. The information in
the Lower Display changes to the control output for the hot water control valve. At this point, the
information can be changed.
Press the Up/Down arrow keys to change those of the numbers are flashing. The one that flashes is
the one that can be changed. Use the Left arrow key to change the value of the number.
Figure 71: Changing information in manual mode
To return to automatic mode, press and hold the
Mode
button for 2 seconds. The Lower Display
changes to Auto. Release the
Mode
button to change the display mode to normal.
137
Model YHAU-CGN/H-CXR(M)Double Effect Direct Fired Small Absorption Chiller-Heater
