22
BÜCHI
Vacuum Controller
V-800/V-805
7.4
Installation and adjusting of automatic dual
temperature sensor
Insert the long end of the temperature sensor into the
condenser, through the screw neck melted to the top of
the condenser between the inner condenser coil and
centrally melted vacuum tube in the condenser. Position
the sensor, so that it is in the front part of the condenser.
The tip of the sensor is located about at the height of the
highest condenser coil
. Tightened screw cap.
Install the short end of the temperature sensor to the cooling
water outlet with the help of the supplied T piece.
Plug temperature sensor into the AS socket of the
controller.
Connect cooling water tubing.
Adjusting (before putting into operation for the first time):
Submerge both sensor tips as far as possible into water of
approximately 30 °C, until all of 3 measuring points are cove-
red by water.
Wait 2 to 3 minutes, and occasionally stir the water.
Adjust the apparatus:
[MENU]
ð
[CONFIGURATION]
ð
[ADJUST CALIBR.]
ð
[OK]
7.5
Installation with water jet pump B-764
Screw water jet pump together with the seal onto the
water tap. Plug cable to
valve
socket of the controller.
Connect water jet pump with the rotary evaporator via
the Woulff bottle.
Screw on cooling water valve together with sieve and seal.
Plug cable to
CW
socket of the controller.
Connect cooling water tubing.
7 Putting into operation
Installation with water jet pump B-764
