Product information
Introduction
Service Information MN285010EN provides connection and
operation instructions for the SF
6
Gas Top-Off kit. Before
installing or operating this kit, carefully read and understand
the contents of this manual.
Read this manual first
Read and understand the contents of this manual and follow
all locally approved procedures and safety practices before
connecting or operating this equipment.
Additional information
These instructions cannot cover all details or vari ations
in the equipment, procedures, or process described, nor
provide directions for meeting every possible contingency
during installation, operation, or maintenance. For additional
information, contact your Eaton representative.
Acceptance and initial inspection
Each SF
6
Gas Top-Off kit is completely assembled and
inspected at the factory. It is in good condition when
accepted by the carrier for shipment.
Upon receipt, inspect the carton for signs of damage.
Unpack the kit and inspect it thoroughly for damage incurred
during shipment. If damage is discovered, file a claim with
the carrier immediately.
Handling and storage
Be careful during handling and storage of the control to
minimize the possibility of damage. If the kit is to be stored
for any length of time prior to installation, provide a clean,
dry storage area.
Quality standards
ISO 9001 Certified Quality Management System.
Description
The SF
6
Gas Top-Off kit is for use with VFI and RVAC
Padmounted Switchgear tank. It is used to Top-Off the SF
6
gas in the switchgear tank to the desired pressure.
Read and understand the MN285004EN Installation,
Operation, and Maintenance manual before using the SF
6
Gas Top-Off Kit with Type VFI padmounted switchgear. Read
and understand the MN285003EN Installation, Operation,
and Maintenance manual before using the SF
6
Gas Top-Off
Kit with Type RVAC padmounted switchgear.
Operation
Connecting to the SF
6
cylinder
ote:N A pressure regulator must be used to Top-Off the SF
6
gas. The SF
6
Gas Top-Off kit can be ordered with or
without a regulator. A regulator ordered with the Gas
Top-Off kit has a separate operating manual. Please
consult that manual for correct operation of the
regulator.
1. Connect the flexible hose to the pressure regulator if it
was not ordered as part of the kit. See Figure 2.
2. Close the outlet valve of the regulator.
3. Open the SF
6
cylinder valve.
4. The high-pressure gauge of the regulator indicates the
SF
6
cylinder gas pressure. Set the fill pressure limit on
the low-pressure gauge with the pressure adjusting knob.
Refer to the chart on the switchgear tank to determine
the desired fill pressure for the current ambient
temperature. See Figure 3.
Evacuating the fill line
Follow these steps to evacuate the air from the fill line. Do this
to ensure that only SF
6
Gas is put into the switchgear tank.
1. Connect 3/8” tubing from a vacuum pump to the hose
adapter. See Figure 2.
2. Open the vacuum valve.
3. Run the vacuum pump for 15 seconds and then close
the vacuum valve.
4. Open the outlet valve of the regulator for a few
seconds to fill the line with SF
6
gas.
1 OPERATION INSTRUCTIONS MN285010EN May 2017
SF
6
gas Top-Off kit, KPA-1043-1 or KPA-1043-2, operation instructions
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