Nordson 765104, Manual, Page: 24 / 48

Installation 3-2
E
1 995 Nordson Corporation
All rights reserved
Level Controller
Issued 1 2/95
P/N 768606A
WARNING: Allow only qualified personnel to perform the
installation. Observe safety instructions.
1 . Connect the air supply to the 1 /4” fitting on rear of unit.
NOTE: The air must be clean and dry at 1 00 psi maximum, filtered
to 5
µ
or 2
_
C dewpoint, oil free. The air pressure must not exceed
6.9 bar / 0.69 MPa / 1 00 psi.
2. Connect the air supply from the output 1 /4” BSP fitting on the
controller to the transfer pump.
3. If using in conjunction with an Easy-Feed Powder Transfer System,
connect this to the terminals (Live - 2, Earth - 5B, Neutral - 7B)
indicated on the circuit schematic located at the back of this Manual.
4. If using an external annunciator, connect this to the terminals
(Live - 11 , Earth - 1 2, Neutral - 7A) indicated on the circuit schematic
located at the back of this Manual.
5. Connect a suitable earth to the connection point on the outside of the
cabinet provided.
6. The level probe requires an M30 clearance hole for mounting. The
probe should be located approximately half-way between the
maximum and minimum desired levels in the hopper. Ideally the
minimum amount of powder should be held in the hopper allowing for
consumption by the system whilst changing and emptying virgin feed
container.
7. Connect the level probe to the controller.
8. Connect the controller to a suitable electrical supply.
9. Turn on the external supplies.
1 0. Turn the air supply regulator for no air flow.
11 . Ensure the hopper is empty of powder.
1 2. Turn on the ”Supply On/Off” switch.
1 3. The sensor will activate the level controller, although the air supply
has been turned off.
6. Setting up the Unit