RS Dehumidifiers for radiant systems
33 - 52
9.6 FIRST STARTING
Before proceeding with the starting, check that all the panels are in the correct position and closed with their screws.
For the first starting follow carefully the below directions:
Check that all the connections (hydraulic, electric and aeraulic) are correctly installed and that all
the information reported on manual and labels are followed.
Check that the taps of the hydraulic circuit (if present) are open; check that the hydraulic circuit have been leaked and that every
residual has been eliminated, then charge it gradually and by opening the devices for the leaking on the top part.
Check that there are no losses on the hydraulic circuit.
9.6.1 Installation parameters modification
To access the installation menu follows the instructions below:
1. Hold down together for 5 seconds keys UP (▲) and STAND-BY or till a parameter will appear on the display. A sound will be
emitted.
2. Select the parameter to modify with keys UP (▲) or DOWN (▼.
3. It is possible to modify the value: hold down key SET, then keys UP (▲) or DOWN (▼).
4. To confirm the modification and exit from the menu, hold down keys UP (▲) and DOWN (▼) or wait 30 seconds. A sound
will be emitted.
5. Modification will be saved automatically at the exit of the menu.
Fan state when compressor is switched
off
= fan switched on with unit ON
= fan switched on only with compressor switched on
= fan switched on with hygrostat contact closed
Compressor activation
(only unit I – cooling integration)
Compressor will switch on:
= hygrostat OR cooling request
= hygrostat
= cooling request
= hygrostat AND cooling request
Net address for serial RS485
Choice parameter Modbus baudrate
= 300, = 600, = 1200, = 2400, = 4800,
= 9600, = 14400, = 19200, = 38400.
9.6.2 Switching on the unit
Switch on the voltage, if on the display will appear OFF so press key STAND-BY. A sound will be emitted. The dehumidifier is
switched on. As long as hygrostat contact will be open the unit is waiting.
When hygrostat will close the contact, unit will switch on, after 7 minutes compressor will switch on (it is factory settings)
For other information refers to paragraph “User display”.
To Next Page
Loading...
