11
OPERATING AND MAINTENANCE MANUAL
Chapter 6
- Start-up
NRC0020-0200 UL
The data in this manual are not binding and may be changed by the manufacturer without notice.
Reproduction of this manual, even partial, is strictly prohibited.
C
HAPTER
6
S
TART
-
UP
CAUTION
Before starting this type of dryer, ensure that all personnel involved have read and understood Chapter 2 “Safety” in this manual.
1.
Check that the dryer shut-off valves are closed and the by-pass valve is open.
2.
If the unit is equipped with a capacitive condensate drain, check that it is correctly installed.
3.
Check that the ambient temperature is within the range indicated on the unit's dataplate.
4.
Power the dryer by means of the line protection device.
5.
When the unit is powered the control unit display switches on (see Chapter 7 “iDRY Electronic Controller”).
6.
Press button
of the control unit.
Once the programmed delay has elapsed the compressor and fan will start.
•
On three-phase power supply models, make sure the fan rotates in the correct direction.
If necessary, invert two phase wires to reverse the direction of rotation.
7.
Wait for the compressor to stop when the thermal mass has reached the programmed temperature.
8.
Slowly open the dryer inlet valve to pressurise the unit.
9.
Slowly open the dryer outlet valve.
10.
Close the dryer by-pass valve.
11.
Press the manual condensate drain button to check that the discharge solenoid valve opens.
12.
If the unit is equipped with timer controlled condensate drain, check that the discharge solenoid valve opens again after the time
interval set on the control panel.
13.
If the unit is equipped with a capacitive condensate drain, check that it is working correctly.
The dryer is now ready for normal operation (see Chapter 9 “Operation and Maintenance”).
Содержание NRC0020-0200 UL
Страница 2: ......
