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Smart Touch Cabin Control Installation & Operations Manual
CW Operational Settings
1.
Water Valve Force Open This parameter
opens the water valve to bleed air from the
system. "On" forces the valve open for 4 hours
while the Smart Touch control is turned off. If
Cool mode is activated or if AC power is
interrupted to the control's electric box during
this 4-hour period, this valve override feature is
canceled. You can return the valve to normal
operation at any time by changing the setting
back to "Off".
2.
Water Temp Differential This parameter sets
the temperature differential between ambient
air temperature and hydronic water
temperature that controls the water valve. For
example, selecting 10°F opens the valve when
water temperature is 10 degrees less than
ambient in cooling mode and 10°F greater than
ambient in the heating mode. Careful selection
of the temperature differential can fully utilize
the ship's heating and cooling resources. For
example, while in cooling mode and using a 10 degree value, the valve will open to allow some cooling while the
hydronic system is coming down to temperature. See the Figure 22 for a graphical explanation of this parameter.
Memorize Settings
If you want new parameters to be the program defaults, adjust the parameters to the
desired settings, and then go to Memorize Settings and press the Save icon. This
memorizes the new settings as program defaults. To return to the factory default
settings, refer to the Recall Factory Defaults listed.
Recall Memorized Settings
If you want to restore the last memorized default settings, then go to Recall
Memorized and press the Save Icon. The memorized default settings are restored. To
return to the factory default settings, refer to the Recall Factory Defaults listed.
Recall Factory Default Settings
The system's default parameters may be changed by the installing dealer or end user.
Once new values are entered and memorized, the factory defaults are overwritten and
the new parameters become the default values. If you want to restore the original factory
default parameters manually, then go to Recall Defaults and press the Save Icon.
NOTE: If you have any reason to contact Dometic about the system or
programming the control, you must have the software identification number
and air conditioning unit serial number available. The serial number may be
found on the dataplate label.
NOTICE
If you have any programming problems or confusion occurs, reset the Memorized Default Settings and try
again.
L-3380 ENGLISH
Figure 22: Smart Touch CW Settings Ambient
Air to Water Temperature Differential
Control Parameters Page 2 of 2
MODES OF OPERATION
Figure 23: Smart Touch
CW Settings Page 1 of 1
Figure 24: Smart Touch
17
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