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MAN0889_Issue 3_03/13
3. Installation and Operation
3.5.3 Electrical Installation
(1) Isolate all associated power supplies and ensure that they remain OFF until the instruction in the
commissioning procedure to apply power.
See section 3.6 Commissioning. If the units are to be installed with junction boxes other than DVC100(M)/
DX100 (M) types, ensure that the boxes have:
a. M20 cable gland entries for BASEEFA units, or 3/4 NPT for UL
b. terminals for five wires and an earth.
(2) Remove the M20 blanking plugs (if fitted) and attach the Searchline Excel Cross-Duct Transmitter and
Receiver cables to their junction box.
Fit the locking rings (if supplied) before terminating the cables in the junction box.
(3) Fit approved cable glands to the junction box cable entries.
Use sealing washers where necessary to maintain the ingress protection rating.
(4) Fit approved blanking plugs to all unused cable entries.
(5) Make electrical connections. See section 3.3.
3.6 Commissioning
3.6.1 General
During commissioning the SHC1 Handheld Interrogator is used to communicate with the Searchline Excel
Cross-Duct. Full details of the SHC1 Handheld Interrogator can be found in Appendix A.
The commissioning process consists of the following steps:
• Connect the Handheld Interrogator to the gas detector
• Power up the gas detector and set the interrogator for operation with Excel
• Set the Excel real time clock
• Initialise the Excel gas detector
• Functional check with test filters
• Finish
3.6.2 Connecting the Interrogator
Connect the SHC1 Handheld Interrogator to the gas detector in one of the following ways:
• v ia a Honeywell Analytics DVC100 (M)/ DX100 (M) Junction Box - connect the Interrogator directly to the
junction box via the IS socket, e.g.
Searchline Excel Cross-Duct Technical Handbook
22
Calibrator
Type SHC1
ESC
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