. . . . . The Unitary Controller (UNT) is an electronic device for digital control of packaged air handling units, unit ventilators, fan coils, heat pumps, and other terminal units serving a single zone or room. It also can be configured as a generic Input/Output (I/O) device for basic point monitoring applications when used within a Metasys® Network. You can easily configure point inputs and outputs, and software features to control a wide variety of Heating, Ventilation, and Air Conditioning (HVAC) equipment applications. The UNT may be used as a standalone controller or connected to the Metasys Network through a Network Control Module (NCM) or Companion.
When connected to the Metasys Network, the UNT provides all point control information to the rest of the network. The devices communicate through an N2 Bus. For a smaller facility, the UNT can function as a standalone controller.
The following list contains features of the UNT100/101 which differ from the other UNT types.
No earth ground connections are allowed when wiring a UNT100/101 series controller.
The N2 bus is not isolated. The secondary of the 24 VAC transformer cannot be grounded.
The BIs can accept dry contacts only, not 24 VAC. They can also accept 100 Hz as accumulator input.
The BO is not jumper selectable. The triac switches to the common side of 24 VAC only. Johnson Controls. Johnson Controls. AS-UNT101-0.
Warranty Information
B2E Surplus offers a 90-day warranty on all sales. Warranted to be free from defects in materials and workmanship under normal use and service. Unless otherwise set forth in a quotation or agreed to by B2E Surplus in writing, standard Products are warranted for 90 days from the date of delivery to the buyer.
Subject to the exclusions described below, all B2E Surplus products (“Products”) are warranted to be free from defects in materials and workmanship under normal use and service. Unless otherwise set forth in a quotation or agreed to by B2E Surplus in writing, standard Products are warranted for 90 days from the date of delivery to the buyer.
EXCLUSIVE REMEDY. In the event that B2E Surplus determines that a Product contains a defect in materials or workmanship, then B2E Surplus, in its sole discretion, will (a) repair the Product, (b) replace the Product, or (c) refund the purchase price of the Product. THIS LIMITED WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ALL OTHER EXPRESS AND IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE REMEDY OF REPAIR, REPLACEMENT OR REFUND IS BUYERÂ’S SOLE AND EXCLUSIVE REMEDY UNDER THIS WARRANTY. IN NO EVENT SHALL B2E SURPLUSÂ’ LIABILITY UNDER THIS WARRANTY EXCEED THE PURCHASE PRICE OF THE PRODUCT GIVING RISE TO THE WARRANTY CLAIM. All Products which are repaired or replaced shall be warranted only for the unexpired portion of the original warranty period.
EXCLUSIONS. This warranty does not cover (a) any failures which are not attributable to defects in materials or workmanship, including without limitation, failures caused by accidents, inadequate maintenance, misuse, unauthorized modifications or repairs, improper storage, and normal wear and tear, (b) any consumable parts or accessories, such as cutter blades, nut splitter chisels, punches, dies, chains, wedges, and strands, that are designed to wear over time or through use of the Product, or (c) electronics, motors, batteries, and engines, as these items are warranted by their manufacturer.
WARRANTY RETURNS. No Products shall be returned without prior authorization from B2E Surplus. Buyer shall prepay all shipping charges for the return of Products to B2E SurplusÂ’ designated service location.
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