3 | MaxTrak 180 Series
Important Notes: Preparing Wiring Pin
1. Pins 1, 3, 5, and 10 are connected together inside the instrument. Sierra recommends individual wires.
2. In the MaxTrak 180 instrument with WT option only, the two pins for valve purge are not connected at the factory. To activate this feature,
open the top of the enclosure and move any two wires you are not using to the proper terminal strip location.
Valve Purge
Terminal Pin # 4
5Vdc ref voltage Terminal Pin # 11 (useful to activate Valve Purge function)
Limited Warranty Policy – Register Online
All Sierra products are warranted to be free from defects in material and workmanship and will be repaired or replaced at no charge to Buyer,
provided return or rejection of product is made within a reasonable period but no longer than one (1) year for calibration and non-calibration
defects, from date of delivery. To assure warranty service, customers must register their products online on Sierra’s website. Online registration
of all of your Sierra products is required for our warranty process. Register now at
sierrainstruments.com/register
. Learn more about Sierra’s
warranty policy at
sierrainstruments.com/warranty
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