Dometic CapTouch Manuel D'installation page 7

Icon Combination
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5.4 Programming the control
NOTE If your AC has a Shaded-Pole (SP) fan motor instead of a Split-Capaci-
tor (SC) High-Velocity (HV) fan motor, program SP into the fan motor type pa-
rameter before operating the unit. Refer to
units are recognizable by an overhanging blower motor. The SC motor of an
HV unit is inside the blower, and the unit has VTD or HV as part of the model
number. Only reprogram the fan motor type parameter if you do not have an
HV blower.
Parameter settings are used to program and fine-tune the system for the most efficient
operation within an installation and to adjust operating parameters for your particular
needs. After new values are entered and memorized, the factory defaults are overwritten
and the new parameters become the default values.
Should the CapTouch lose power, the operating parameters are retained. When power
is restored, the control resumes operating as last programmed.
The control has factory default values stored in permanent memory (memorized factory
default settings) that can be recalled if you have any programming difficulties. You can
restore the original factory default parameters manually. Refer to
for a summary of the parameters, the permitted values, and original factory default set-
tings.
5.4.1 Entering programming mode
This section gives step by step instructions for entering programming mode.
1. While the control is in the OFF mode, simultaneously tap and hold the Mode and
Up (+) icons on the display screen for one second to enter the programming menu.
P-1 appears on the display.
Fig.  on page 3
2. Use the Up (+) and Down (-) icons to navigate to different parameters (P-1, P-2, P-3,
etc.).
3. Tap the Mode icon to enter the parameter adjustment menu.
The display will alternate between the parameter number and the current setting.
4. Tap the Up (+) and Down (-) icons to adjust the parameter settings.
Icon Names and Function
Fan & Up
Display the seawater temperature:
1. Tap simultaneously and hold for three seconds.
The display alternates between SE and the seawater
temperature reading while this combination is held.
Up, Down, & Mode
Display the relative humidity:
1. Tap simultaneously and hold for three seconds.
The display alternates between HS and the relative
humidity reading while this combination is held.
Mode & Down
Enter fault history:
1. Tap simultaneously and hold for three seconds while
the control is in the OFF mode to enter the fault his-
tory log.
The display holds up to eight faults.
2. Use the Up and Down icons to view the fault history.
3. Tap and hold the Mode and Down icons simultane-
ously for three seconds to clear the fault history.
4. Exit by tapping the Mode icon once.
Fan & Down
DX Only: display the compressor run-time hour meter:
1. Tap simultaneously and hold for three seconds while
the control is in the OFF mode.
The display will show the code Hr one time and
then shows the run time.
2. Exit by tapping the Mode icon once.
"Programming the
"Selecting a
5. Tap the Mode icon to lock in the parameter change and return to the programming
menu.
5.4.2 Selecting a parameter
The following table describes the parameters available for the CapTouch controls.
Parameter Name
P-1 High Fan Limit
P-2 Low Fan Limit
P-3 Compressor
Staging Time
Delay
P-4 Inside Air
Temperature
Sensor Cali-
bration
P-5 Failsafe Level
Control". SP
P-6 Low Voltage
Monitor
P-7 De-icing Cy-
cle
Parameter"
DX CW Factory De- Parameter Range
fault
x x 95 65–95
Select a higher number to increase the fan speed, a lower num-
ber to decrease the fan speed.
x x 50 30–75
Select a higher number to increase the fan speed, a lower num-
ber to decrease the fan speed.
x 15 5 s ... 35 s
Use for installations where more than one system operates from
the same power source. Different staging delays allow compres-
sors to start at different times when the power is interrupted.
Stage the units at least five seconds apart.
x x Ambient Ambient Temperature ±10
Temperature °F (6 °C)
Calibrates the sensor to display the correct room temperature
reading. The setting increments are in °F even when the control
is set to display °C.
x 3
0 = Minimal Protection
1 = Continuous No Display
2 = Continuous With Dis-
play
3 = Four Failures, Reset Re-
quired
Refer to "Fail Safe Levels".
NOTE Parameter Range 1 and 2 applies to display
firmware #40 and older.
OFF OFF, 95 V /195 V
x x
Set the built-in voltmeter circuit that monitors the AC input volt-
age prior to each cooling or heating cycle when set to 95 V or
195 V .
• For 100 V ... 120 V input power, set to OFF or 95.
• For 208 V ... 240 V input power, set to OFF or 195.
x OFF
OFF
1 = ON with 5 °F (3 °C) Dis-
play Sensor Differential
2 = ON with 7 °F (4 °C) Dis-
play Sensor Differential
Select the parameter setting for the de-icing feature depending
on whether you are using the optional inside air temperature sen-
sor or the display built-in temperature sensor.
• If using an optional inside air temperature sensor, set this
parameter to 1 to turn the de-icing feature ON, or to OFF to
disable.
• If using the display built-in temperature sensor, choose one
of the two selectable behavior modes:
1. Assumes the display sensor may be reading the room
temperature as much as 5 °F (3 °C) greater than the
actual evaporator temperature (standard).
2. For more extreme installations - assumes the display
sensor may be reading the room temperature as
much as 7 °F (4 °C) greater than the actual evaporator
temperature.
• The setting of 2 should only be used if a setting of 1 does
not prevent evaporator ice from forming.
EN
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