AH-Passport I/O Control Operations Manual
Read This Manual Before Proceeding
L-2232 ENGLISH
1
INTRODUCTION
The AH-Passport I/O is a microcontroller-based unit designed for use with chilled water air conditioning systems.
R
EAD
T
HIS
M
ANUAL
B
EFORE
P
ROCEEDING
Read this manual completely before you proceed with the installation and operation of the AH-Passport I/O. If you have
questions or require assistance with your AH-Passport I/O, call your dealer or the Dometic Marine Service Department at +1
954-973-2477.
The AH-Passport I/O is covered under existing Marine Air Warranty Policy. Incorrect installation, neglect and system abuse are
not covered under Marine Air Warranty Policy.
F
EATURES
S
TANDARD
•
Universal 115/230 volt, 50/60 Hz AC power supply.
•
User-friendly four-button display panel.
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5V microcontroller located in the display.
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Option to display temperature in degrees Fahrenheit or Celsius.
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Ambient air sensor in face plate.
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Water-in sensor for individual cabin heating.
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15 programmable parameters.
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Nonvolatile memory requires no backup power.
•
Humidity Mode control.
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De-icing cycle prevents evaporator icing.
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Programmable fan operation.
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Programmable display brightness.
O
PTIONAL
•
Outside air-temperature sensor.
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Alternate air-temperature sensor.
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Chilled water inlet sensor.
•
Electric heating control capabilities.
•
Air Filter Cleaning or Replacement Timer (available in software revision A21 or newer).
This manual provides all necessary information for proper installation and operation of the AH-Passport I/O. Poor installation or
misunderstood operating parameters will result in unsatisfactory performance and possible failure.
