Programming
AH-Passport I/O Control Operations Manual
10
L-2232 ENGLISH
Table 2: Programmable Parameters - Ranges and Factory Defaults
Parameter
Number
Description
Factory
Default
Custom
Default
Parameter Range
P-1
Operating Mode
0
0 = Auto
1 = Cool Only
2 = Heat Only
P-2
High Fan-Speed Limit
95
65 - 95
P-3
Low Fan-Speed Limit
55
30 - 64
P-4
Reserved for future use.
P-5
Temperature-Sensor Calibration
Ambient temp
Ambient plus or minus 10° F
P-6
Reserved for future use.
P-7
Reserved for future use.
P-8
Reserved for future use.
P-9
Reserved for future use.
P-10
Display Brightness Control
9
4 (Dimmest) - 13 (Brightest)
P-11
Display Temperatures in
Fahrenheit or Celsius
F
F = Fahrenheit Displayed
C = Celsius Displayed
P-12
Reserved for future use.
P-13
Reverse Fan Speeds During
Heat Mode
rEF
nor = Normal Fan Operation
rEF = Reversed Fan in Heat Mode
P-14
Continuous Fan or Cycle Fan
With Compressor
con
CYC = Cycle Fan With Compressor
con = Continuous Fan Operation
P-15
Chilled-Water Heating or
Electric Heat Option
nor
nor = Chilled-Water Heat Only
ELE = Electric Heater Installed
P-16
Fan-Motor Type: Split Capacitor
or Shaded Pole
SC
SC = Split Capacitor Fan Motor
SP = Shaded Pole Fan Motor
P-17
Reset Memorized Programming
Defaults
nor
rST = Reset Defaults
nor = Normal
P-18
Water Valve Forced Open 4
Hours to Bleed the Chilled
Water System
nor
nor = Normal Operation
OPn = Valve Forced Open
P-19
Temperature Differential of
Ambient Air to Chilled Water
15° F
5° F to 25° F
P-20
Air Filter Cleaning/Replacement
Timer Setting (x10 hours)
0
0 = Timer Disabled
10 - 250 (100 - 2500 hours)
P-21
Current Filter Time (x10 hours)
and Reset
0
Displays the elapsed time (in hours x10)
since the timer was started or reset. Press
Down button to reset value to 0, restart the
timer, and clear the display’s “FIL”
reminder.
P-22
Voltage Calibration
AC Voltage