Magnetrol STI G Series User manual

Series G, H, and I
Dry Contact
Switch Mechanisms
®
Instruction Manual and Parts List
DESCRIPTION
These switch mechanisms use dry contact switches actuat-
ed by a dual magnet rocker arm assembly. Mechanisms are
adaptable to most Magnetrol or STI liquid level controls and
flow switches. Units are available with a single SPDT switch
or two SPDT switches arranged for DPDT operation.
MODEL NUMBER DESCRIPTION
Magnetrol and STI liquid level controls are identified by a ten
digit alphanumeric model numbering system. The last three
digits of the model number describe the type of switch
mechanism furnished.
MODEL NUMBER CONSTRUCTION
Example: B75-1B10-
Basic model number
Tank connection
Switch mechanism and enclosure
Max. One Used with Material Code 1 Used with Material Code 2, 3, or 4
Switch Process Contact NEMA 4 NEMA 7/9 NEMA 4 NEMA 7/9
Description Temp. Per Polymer Polymer Group B w/Drain Polymer Polymer Group B w/Drain
° F (° C) Enclosure Coated Coated Plymr Ctd Plymr Ctd Coated Coated Plymr Ctd Plymr Ctd
Series G 250°FSPDT GAD GKD GKV GUD GAM GKM GKW GUM
Snap Switch (121°C) DPDT GDD GND GNV GXD GDM GNM GNW GXM
Series H 400°FSPDT HAD HKD HKV HUD HAM HKM HKW HUM
Snap Switch (204°C) DPDT HDD HND HNV HXD HDM HNM HNW HXM
Series I250°FSPDT IAD IKD IKV IUD IAM IKM IKW IUM
Snap Switch (121°C) DPDT IDD IND INV IXD IDM INM INW IXM

SWITCH HOUSINGS REPLACEMENT ASSEMBLIES
DESCRIPTION —CARBON STEEL HOUSINGS
Standard carbon steel housing replacement assem-
blies are designed for applications ranging from
general purpose, indoor use, to non-hazardous instal-
lations requiring a dust/water/lint, fiber/oil tight
enclosure. Refer to Figure 6.
➀Includes assembly hardware kit 89-6508-001.
➁Includes base assembly hardware.
CARBON STEEL HOUSINGS REPLACEMENT ASSEMBLIES
Cast Iron Housing Assembly
Figure 5
Carbon Steel Housing Assembly
Figure 6
DESCRIPTION—CAST IRON HOUSINGS
Explosion proof housing replacement assemblies are
designed for applications in hazardous atmospheric
locations, as classified under types NEMA 7 and 9 of
the National Electrical Code. Refer to Figure 5.
IMPORTANT — When ordering, please specify:
1. Model and serial number of control.
2. Name and part number of replacement kit.
NOTE: Consult your local representative on applica-
tions to meet NEMA and other codes not covered in
this bulletin.
Description Replacement Kit Part Number
Explosion proof housing cover 6" (152 mm) and housing base, blue cover 89-6582-005
Explosion proof housing cover 6" (152 mm) and housing base with drain, blue cover 89-6582-006
Class I, Group B housing cover 6" (152 mm) and housing base without drain, blue cover 89-6582-008
Gasket 12-2201-249
O-Ring 12-2201-116
CAST IRON HOUSINGS REPLACEMENT ASSEMBLIES
4
Description Replacement Kit Part Number
Standard housing cover 6" (152 mm), NEMA 1 thru 5 & NEMA 12, blue cover 89-6510-003 ➀
Housing base, NEMA 1 thru 5 & NEMA 12 89-6505-003 ➁
Cover assembly hardware, NEMA 1 thru 5 & NEMA 12 89-6508-001

REPLACEMENT PARTS
CAUTION: When ordering replacement switch mechanisms, be certain to determine color dot on magnet.
NEVER replace a mechanism that has a red dot magnet with one that has a yellow dot magnet, and vice versa.
Switch Replacement Switch
Contacts Mechanism With Switch (ES) Replacement Switch Only
Series Yellow Dot Magnet Red Dot Magnet
G
SPDT 89-7601-002 89-7601-001 89-7101-018
DPDT 89-7601-006 89-7601-005 89-7101-018 (2 required)
H
SPDT 89-7601-010 89-7601-009 89-7101-016
DPDT 89-7601-012 89-7601-011 89-7101-016 (2 required)
I
SPDT 89-7601-004 89-7601-003 89-7101-019
DPDT 89-7601-008 89-7601-007 89-7101-019 (2 required)
IMPORTANT – When ordering, please specify:
1. Model and serial numbers of control.
2. Part name and number.
5

BULLETIN: 42-684.6
EFFECTIVE: February 1997
SUPERSEDES: February 1991
IMPORTANT
5300 Belmont Road • Downers Grove, Illinois 60515-4499 • 630-969-4000 • Fax [phone] • www.magnetrol.com
6291 Dorman Road • Mississauga, Ontario L4V-1H2 • 905-678-2720 • Fax [phone]
Heikensstraat 6 • B 9240 Zele, Belgium • 052 45.11.11 • Fax [phone]
Regent Business Ctr., Jubilee Rd. • Burgess Hill, Sussex RH15 9TL U.K. • 01444-871313 • Fax [phone]
5300 Belmont Road • Downers Grove, Illinois 60515-4499 • 630-969-4028 • Fax [phone] • www.sticontrols.com
©2001 Magnetrol International, Incorporated. All rights reserved. Printed in the USA.
Magnetrol and Magnetrol logotype are registered trademarks of Magnetrol International.
STI and STI logotype are registered trademarks of Magnetrol International.
Performance specifications are effective with date of issue and are subject to change without notice.
The brand and product names contained within this document are trademarks or registered trademarks of their respective holders.
SERVICE POLICY
Owners of Magnetrol/STI controls may request the return of
a control or any part of a control for complete rebuilding or
replacement. They will be rebuilt or replaced promptly.
Controls returned under our service policy must be returned
by Prepaid transportation. Magnetrol/STI will repair or
replace the control at no cost to the purchaser (or owner)
other than transportation if:
1. Returned within the warranty period; and
2. The factory inspection finds the cause of the claim to be
covered under the warranty.
If the trouble is the result of conditions beyond our control;
or, is NOT covered by the warranty, there will be charges for
labor and the parts required to rebuild or replace the equip-
ment.
In some cases it may be expedient to ship replacement
parts; or, in extreme cases a complete new control, to
replace the original equipment before it is returned. If this is
desired, notify the factory of both the model and serial num-
bers of the control to be replaced. In such cases, credit for
the materials returned will be determined on the basis of the
applicability of our warranty.
No claims for misapplication, labor, direct or consequential
damage will be allowed.
RETURN MATERIAL PROCEDURE
So that we may efficiently process any materials that are
returned, it is essential that a “Return Material Authorization”
(RMA) number be obtained from the factory, prior to the
material's return. This is available through Magnetrol/STI's
local representative or by contacting the factory. Please sup-
ply the following information:
1. Company Name
2. Description of Material
3. Serial Number
4. Reason for Return
5. Application
Any unit that was used in a process must be properly
cleaned in accordance with OSHA standards, before it is
returned to the factory.
A Material Safety Data Sheet (MSDS) must accompany
material that was used in any media.
All shipments returned to the factory must be by prepaid
transportation.
All replacements will be shipped F.O.B. factory.
ASSURED QUALITY & SERVICE COST LESS
PRODUCT WARRANTY
All Magnetrol/STI mechanical level and flow controls are
warranted free of defects in materials or workmanship for
five full years from the date of original factory shipment.
Repair parts are warranted free of defects in materials and
workmanship for one year from the date of shipment.
Materials, specifications, and contents are subject to change
without prior written notice.
If returned within the warranty period; and, upon factory
inspection of the control, the cause of the claim is
determined to be covered under the warranty; then,
Magnetrol/STI will repair or replace the control at no cost to
the purchaser (or owner) other than transportation.
Magnetrol/STI shall not be liable for misapplication, labor
claims, direct or consequential damage or expense arising
from the installation or use of equipment. There are no other
warranties expressed or implied, except special written
warranties covering some Magnetrol/STI products.
QUALITY ASSURANCE
The quality assurance system in place
at Magnetrol/STI guarantees the
highest level of quality throughout the
company. Magnetrol/STI is committed
to providing full customer satisfaction
both in quality products and quality
service.
Magnetrol’s quality assurance system is registered to ISO
9001 and Z299.1 affirming its commitment to known
international quality standards providing the strongest
assurance of product/service quality available.