Data Aire dap4 touch, Инструкция по установке, эксплуатации и обслуживанию

Страница: 72 / 112

72 • dap4 User Manual
Cool 4 ON at Humidity Se Humidity De 3%
Cool 4 OFF at Humidity Se 3%
Cool 3 OFF at Humidity Se 2%
Cool 2 OFF at Humidity Se 1%
Cool 1 OFF at Humidity Setpoint
8. The sequence for dehumidification with Energy Saver or Auxiliary Chilled Water Cooling is as
follows:
Valve is OPENED to 100% at Humidity Se Humidity Deadband
Valve is CLOSED at Humidity Setpoint
DEHUMIDIFICATION FOR CHILLED WATER UNITS
1. All the standard dehumidification rules for dehumidification with compressors applies to chilled
water units.
2. The chilled water valve responds to a change of the return air relative humidity (RH) after each
adjustment period. When a change is made to the setpoint, the chilled water valve will delay its
response for five (5) minutes after which it will respond after each adjustment period.
3. The dehumidification sequence for chilled water units is as follows:
Valve is OPENED to 100% at Humidity Se Humidity Deadband
Valve is CLOSED at Humidity Setpoint
DEWPOINT LOGIC
Relevant Menu Settings and Display
1. There will be additional menus required to program for Dewpoint control in dap4 and Mini-dap4:
Menu B - Setpoints
- High Dewpoint setpoint (Range 50 to 65) - default 59°F
- High Dewpoint Deadband (Range 1.0 to 3.0) - default 1°F
- Low Dewpoint setpoint (Range 40 to 55) – default 45°F
- Low Dewpoint Deadband (Range 1.0 to 3.0) - default 1°F
The high and low dewpoint setpoint cannot overlap.
Menu J - Factory Settings – Humidity settings menu
- Control: Rel. Hum or Dewpoint
2. Display will show dewpoint when this mode is selected.
DX Dehumidification
In DX mode, 2-cooling stages on as follows:
Cooling 1 on when dewpoint = High Dewpoint Setpoint - 0.2°F OR Humidity Setpoint - 1%
Cooling 2 on when dewpoint = High Dewpoint Setpoint - 0.0°F OR Humidity Setpoint - 0%