(1) Turn on the power switch (earth leakage breaker)
When the switch is turned on, initial indication appears
on each display, and then, current measured temperature
of the trap appears.
As for vacuum value, where measured value exceeds
the range of 533 Pa, “Atmo” is indicated.
On Timer display, operation time for Mode 1 is indicated.
Also, Auto Operation Lamp and Timer Mode 1 Lamp
are lighted.
(2) Enter the preset time-period of power failure
as power-failure-reset feature (factory preset value
is 5 minutes) .
2. Common Procedure for Auto/Manual Operation
℃
Pa
hour
hour.min
℃
Vacuum
Pa
Trap temp
TRAP TEMP.
1. Press Set key on control panel. “PoFF (Parameter
Sign OFF)” appears on Trap Temp. display, and
“0.05” appears on Timer display (factory preset value
is 5 minutes).
2. Enter the preset time-period of power failure
using Up (
▲
) and Down (
▼
) key. After that, press
Set key. Indication of normal measured value
returns.
* Setting is feasible regardless of execution
or halt of control.
* Enter an appropriate time-period between
0 to 1 hour and 30 minutes. Numerous values
are indicated in the range of 0.00 to 1.30.
* If preset time-period is too long, ice and water
in the cold trap may be melted and sucked into
the vacuum pump during this period.
This may result in equipment failure.
hour
hour.min
TRAP TEMP.
5
0
0.
Timer
Mode1
Mode2
TRAP TEMP.
P
F F
o
T rap temp
Vacuum
Timer
Mode1
Mode2
1. Before Operation
Open the inspection door (for vacuum pump)on the right face of the
main body and remove the drain cock to make sure that the water in the
trap and hose had been discharged completely. When the
remaining water have been discharged totally, attach the cock again.
* Certain specimens subject to freeze-drying
may accelerate deterioration and aging of
internal materials.
Refer to Sec. 7.1, Replacement of Consumable Parts,
and perform regular inspections.
Make sure that the water in the trap
and drain hose is discharged
completely in advance of operation.
If the equipment is operated with remaining
water, it may result in failure in the vacuum
pump or pirani vacuum gauge.
Drain cock
Inspection Door
Container
Drain cock
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