Dometic Qht - Summary Table of Programmable Functions

Programmable Functions Q3 and Qht Controls for Direct Expansion Systems
14 L-2516 ENGLISH
SUMMARY TABLE OF PROGRAMMABLE FUNCTIONS
Table 4: Programmable Functions - Ranges and Factory Defaults
Function
Number Description Factory Default
Custom
Settings Function Range
1
Compressor Time Delay 0 0 - 70 seconds
2
Display Fahrenheit, Celsius, or
Auto
F F, C, or A (only with U-Board)
3
Compressor Differential 12 (12/8 = 1.5°F [0.8°C]) 2 - 31
4
Fan Response Differential 8 (8/8 = 1°F [0.6°C]) 2 - 31
5
Low Fan Speed 38 2 - 57
6
High Fan Speed 85 41 - 99
7
Fan Mode C (Continuous) C (Continuous)
I (Intermittent)
8
AC Line Voltage Calibration -- Plus or minus 1%
9
Temperature Calibration -- Plus or minus 1%
10
HU (Humidity) Pre-circulation 10 (minutes) 0 - 30 minutes
11
HU Dehumidification 30 (minutes) 10 - 60 minutes
12
HU Time Period 12 (hours) 2 - 16 hours
13
Software Revision (current version) n/a
14
Product Software dE = Direct Expansion
CH = Chilled Water or
Modulating Air Handler
n/a
15
Low-Pressure Switch Test OA = OK
FA = Fault
n/a
16
High-Pressure Switch Text OA = OK
FA = Fault
n/a
17
LCD or LED Segment Test Displays all LCD graphics or
LED segments
n/a
18
Sleep Mode
LCD backlight off or LEDs dim
On On = Continuous display
SL = Sleep Mode
19
Cool-Only Mode HP HP = Heatpump
CL = Cool Only
20
High-Pressure Delay 3 (minutes) 1 - 5 minutes
21
Anti-Icing Routine Adjustment 70 (°F) 65 - 80 °F
22
Fan-Speed Divisions 5 3 = 3 speeds
5 = 5 speeds
23 Aux Heat Enable/Disable “- -” “- -” = Aux Heat Disabled
“h1” = Aux Heat Enabled
(Reverse-cycle heat and aux heat
operate independently)
24 Seawater Low Limit Temp 40 (°F) 35 to 50 °F
25 Humidity Sensor Limit 60 (%RH) 50 - 80 %RH
26 Air Filter Timing Setting
(x100 hours)
0 0 = Disabled
1 - 25 (100 - 2500 hours)
27 Select FAMU (Fresh Air Make-
Up) Operation (future feature)
“- -” “- -” = Normal
FA = FAMU
28 CAN Bus Unit ID 59 0 - 99
29 CAN Bus Group ID 58 0 - 99
30 Custom Medium Fan Speeds 2 (only with U-Board) 2 or 5, or 2 or 3
31 Medium Low Fan Speed 50 (only with U-Board) 2 - 99
32 Medium Fan Speed 62 (only with U-Board) 2 - 99
33 Medium High Fan Speed 74 (only with U-Board) 2 - 99