CONTENTS
I
NTRODUCTION
Scope
Description
Controller Identification
P
O
PERATION
I
NSTALLATION AND
S
-
TART
UP
ISASSEMBLY
EASSEMBLY
R
/R
EMOVAL
EPLACEMENT
ISASSEMBLY
ONVERSION
ISASSEMBLY
T
ABLES
Table 1 - Model Designation
Table 2 - Wiring Diagrams
Tabla 3 - Trouble Diagnosis
1001-0113O - ©2013, January 2013
O
PERATING AND
I
NTRODUCTION
PAGE
1
1
The instructions provided herein should
be completely reviewed and understood
1
prior to installing, operating or repairing
1
this equipment.
3
TION, D NGER and W RNING notes
4
must be strictly observed to prevent seri-
ous injury or equipment malfunction.
5
Scope
6
This manual includes installation,
6
operation and maintenance infor-
mation for 1.5 through 6.0-in.
7
Norriseal Series 1001, 1001A, and
1001XL Level Controllers.
7
7
Description
7
The Series 1001, 1001A, and 1001XL
8
Level Controllers are designed for
general purpose use in liquid level
9
and interface control applications
calling for either modulating
9
(Throttle) or on/off (Snap) pneumatic
service and can be direct or reverse
9
acting. Electric switch models are
also available.
9
Norriseal level controllers are
10
equipped standard with horizontal
or vertical PVC 1.88 x 12-in. displac-
2
ers. Displacer options include Acrylic
10
and 316L S.S. materials in various
11
lengths and diameters, including
hinged models, to accommodate a
wide range of control applications.
The 1001 has a smaller case than the
1001A or 1001XL and has a knurled
knob screw type closure. The 1001A
M
AINTENANCE
Series 1001, 1001 , 1001XL Level Control
and 1001XL have lever latch door
closing mechanisms and have a
sealed door. The 1001 and 1001A
have the case mounted left or right
of the body, while the 1001XL is cen-
ter-back mounted.
ll TTENTION, C U-
C
Before disassembly or maintenance, all
pressures in this device must be relieved.
Failure to relieve pressures may result in
personal injury or device damage. The
resulting uncontrolled venting or spilling
of process fluids may cause personal
injury, loss of process control or environ-
mental contamination.
Controller Identification
Controller model numbers are typi-
cally 13 positions long (example:
2SM60-SRDA-BG). Refer to Table 1
- Model Designation on page 2 for
specific information on the controller
nomenclature.
A nameplate attached to the inside of
the case by the lower door hinge
includes the controller model and
serial numbers as well as other infor-
mation pertinent to the controller
assembly, such as supply and out-
put pressures, displacer material and
rating, body size and material, ANSI
class, and pressure and temperature
limits.
Always use only Norriseal replace-
ment parts when servicing level con-
trollers. Please refer to the serial and
model numbers when ordering
replacement parts.
P.O. Box 40525 · Houston, Texas USA 77240-0525
Tel: 713·466·3552 · Fax: 713·896·7386
www.norriseal.com
M
ANUAL
U T I O N !
Page 1 of 12
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