APC UCCS Temperature Control specifications Control Execution General

F. This Contractor shall demonstrate HVAC alarms prior to placing ventilation systems in service.

G.The control systems will not be accepted as meeting the Requirements of Completion until all tests described in this section have been performed to the satisfaction of both the Engi- neer and Owner. Any tests that cannot be performed due to circumstances beyond the

control of the Contractor may be exempt from the Completion Requirements if stated as such in writing by the Owner's representative. Such tests shall then be performed as part of the warranty.

H.After the system has operated properly for 90 days following startup of the final component of the heating and air conditioning systems, as-built copies of the software on electronic media and a printed copy shall be submitted to the Owner for permanent record purposes. Any software upgrading or enhancements to improve the system operation or as required for proper operation of the system during the first year of operation is the responsibility of this Subcontractor. When changes are made to the software, the HVAC Shop must

approve. The Contractor shall immediately provide updated copies of the files.

3.12CONTROL EXECUTION - GENERAL

A. This Contractor shall provide all required control interface relays, including Control Contactors for single-phase pumps and fans (generally 1/3 hp or less) and any isolation relays required for interface to three-phase magnetic starter control circuits. All power

wiring to single-phase motors and three-phase starters by Division 16; all control function (interlock) wiring by the Controls Contractor.

B.This Contractor shall be responsible for providing control power to all his controllers and devices requiring control power including installation of any required breakers, unless such

wiring is shown on the Division 16 drawings.

C.Accessibility: Install all control devices in readily accessible locations as defined by Chapter 1, Article 100, Part A of the NEC.

D.Program as follows: Initially set times so as not to exceed six starts per hour. On two- speed motors, provide a 20-second adjustable time delay when transferring from high-speed to low-speed, to allow the load to decelerate.

E. All setpoints, operating points, sequencing ratios, PID tuning parameters, and all other numeric and digital constants shall be adjustable by the user (only with a high-level password) from the graphic. To change these values, the user shall not be required to modify program code, recompile, or download.

F.Hand-Off-Auto switches shall energize equipment in both the 'hand' and 'auto' mode (when auto is commanded on for auto mode). Safeties shall protect equipment in the hand and auto modes. Where fans are interlocked with damper end switches, the hand and auto positions shall open the dampers and the damper end switch shall energize the fan.

JANUARY 2008 UCCS STANDARDS 15950-39