15604-2
AUTOMATIC TEMPERATURE CONTROL (ELECTRIC)
1.3 SUBMITTALS TO THE ENGINEER
A.
Shop drawings shall be submitted for approval as required by the General
Conditions. Shop drawings shall consist of, but not be limited to, the following:
l.
2.
3.
Manufacturer's literature for all equipment including maintenance and
operating instructions and parts lists.
Description of operation for all systems.
Electric wiring diagrams showing all wiring, and equipment including all inter-
connections on a terminal to terminal basis. Refer to ladder wiring diagrams
shown on the Drawings. Note any discrepancies due to actual system
submitted.
Panel layouts for all local and central panels, and panel sizes.
Valve and damper operator schedule showing size, configuration, capacity and
location of all equipment.
A detailed explanation of any control system that is different, or will function
differently than that specified.
14 JOB CONDITIONS
Scheduling of Work: Schedule all work so as not to delay the work of other trades.
A.
PART 2 - PRODUCTS
2.1 MATERIALS
General: The control system shall consist of all thermostats, temperature transmitters,
controllers, automatic valves and dampers, damper operators, control panels, and
other accessory equipment to fill the intent of the specification and provide for a
complete and operable system. All 24 volt control wiring shall be provided by the
automatic temperature control contractor as shown or required to provide a complete
system. Refer to Drawings for electrical wiring and interlocks. All panels and
devices shall meet the NEMA electrical classification of the space in which they are
installed. See Drawing Sheet E-1 for NEMA schedule.
Electric Line- Voltage Industrial Thermostat:
A.
Furnish and install industrial/heavy commercial grade, Line-Voltage type
thermostats in NEMA 12, 3R, 4/4X process and production areas capable of
directly activating heating or cooling equipment.
Thermostat shall be wall mounted in a heavy duty metal enclosure. The
enclosure shall meet the NEMA requirements of the are in which they are
installed. Minimum rating shall be dust tight, NEMA 12.
Switching shall be SPST with a minimum rating of 16 Full Load Amps (FLA)
and 80 Locked Rotor Amps (LRA) at 120 VAC or the full load rating of the
device(s) to be activated, whichever is greater.
Differential shall be fixed 3-5 deg. F.
Bulbs shall be corrosion resistant, shielded and either locally or remote mounted
as required.
Covers shall have temperature set point adjustment knob except when
concealed or removable key adjustment is noted. Scale range shall be 40 to 100
°F unless described otherwise in the control description under paragraph 3.1.
13089K
