DST RL-61 - Damper Installation; Humidistat;Electronic Controller Installation; Electrical Connection; Power Supply

12 RL-61, 61L EN.033 24.01Seibu Giken DST
EN
• Install dry air out duct/channel at a high level.
• To maximize the drying capacity, free blowing on dry air out without airow reduction is recommended.
• Allow wet air to disperse freely when exiting the duct.
• It is recommended to insulate the wet air duct.
• The wet air duct must be installed at a sloping outwards angle, due to risk of condensation inside the duct work. The setup will also prevent condensation owing back
into the dehumidier.
• If the duct needs to be installed higher than the wet air outlet, x a condensate drain at the lowest point of the duct.
• Do not connect the air outlet to a ventilation system which can create pressure that will result in reverse airow through the dehumidier.
A. Slope outwards
B. Lowest point
C. Insulation
D. Net
E. Wet air
FIGURE 9: Installation of wet air out duct
4.3 DAMPER INSTALLATION
When installing dampers to adjust the airow to nominal ow, it is recommended to place the dampers according to the table. Installing dampers on the wrong side might result
in humid air mixing with dry air through inltration between the air chambers and a󰀨ect the capacity. Always maintain a higher pressure on the process air chamber than the
regeneration air chamber by adjusting the dampers. The Delta-P alarm will turn on when the pressure is insu󰀩cient.
Inlet/Outlet side Install dampers See “9 Troubleshooting” for troubleshooting.
See “7.4 Delta-P Alarm” for function description.
See “11 Technical data” for recommended pressure setting.
Regeneration air inlet ●
Wet air outlet ○
Process air inlet ○
Dry air outlet ●
4.4 HUMIDISTAT/ELECTRONIC CONTROLLER INSTALLATION
Install the humidistat/electronic controller away from the dry air out path to avoid false readings.
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FIGURE 10: Humidistat positioning
4.5 ELECTRICAL CONNECTION
Electrical components should be connected to the supply according to the local regulations and requirements.
4.5.1 POWER SUPPLY
The incoming three-phase cable with L1, L2 and L3 are directly connected to the main switch and PE-cable connected to the earth bar.
The electrical feed must be provided on-site in accordance with the electrical diagram and local requirements.
See electrical diagram for a detailed layout and description.
4.5.2 EARTH LEAKAGE CIRCUIT BREAKER
Due to the high capacitive currents present in the AC drive, earth leakage circuit breakers may not function properly.
Note: This is only applicable if the unit is equipped with a frequency converter.