Q3 & Qht Controls for Chilled Water Systems Programmable Functions
L-2962 ENGLISH 11
22: Dehumidification Overall Time Period
(Factory Default: 12 hours)
This setting determines how often the system performs the dehumidification process. The display shows the overall time period
in hours. You can select intervals of 2, 4, 6, 8, 10, 12, 14 or 16 hours. Choose a shorter overall time period in climates with high
humidity and a longer overall time period in climates with low humidity.
23: Custom Medium Fan Speeds (only with the U-Board platform)
(Factory Default: 2)
You can set the number of fan speeds that can be modified by selecting either 2 or 5 speeds (if function 18, Fan Speed Division,
is set to 5). If function 18 is set to 3, the selection options for function 23 will be 2 or 3, and if 3 is selected, then function 25,
Medium Fan Speed, will be enabled. If function 18 is set to 5, you can modify 3 more fan speeds: Medium Low, Medium, and
Medium High, as functions 24, 25, and 26 are enabled.
24: Medium Low Fan Speed (only with the U-Board platform)
(Factory Default: 50)
You can adjust the Medium Low fan speed to suit individual preferences. For instance, you may wish to decrease the Medium
Low fan speed setting in your stateroom to minimize fan noise.
25: Medium Fan Speed (only with the U-Board platform)
(Factory Default: 62)
You can adjust the Medium fan speed to suit individual preferences. For instance, you may wish to decrease the Medium fan
speed setting in your stateroom to minimize fan noise.
26: Medium High Fan Speed (only with the U-Board platform)
(Factory Default: 74)
You can adjust the Medium high fan speed to suit individual preferences. For instance, you may wish to decrease the Medium
High fan speed setting in your stateroom to minimize fan noise.
Table 3: Recommended Humidity Control Settings
Outside Temperature Relative Humidity Time Period Dehumidification Time
Below 80° F (27°C) 75-85% 12 hours 10 minutes
Above 85% 8 hours 20 minutes
80° - 90° F (27°- 32°C) 75-85% 10 hours 30 minutes
Above 85% 6 hours 40 minutes
Above 90° F (32°C) 75-85% 8 hours 40 minutes
Above 85% 6 hours 60 minutes
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