2.4.6
Temperature Controls
**************************************************************************
NOTE: This is an example temperature controls
paragraph for a simple air-source heat pump system.
Modify it, or add to it, to suit the requirements of
the actual system as designed. For complex, systems
write a temperature controls paragraph as required.
**************************************************************************
Provide controls as specified in FS A-A-50502 and as modified herein.
Provide indoor thermostats of the adjustable type that conform to
applicable requirements of UL 873. Provide manual means for temperature
set-back. Provide thermostats capable of controlling supplemental heat as
specified in FS A-A-50502. Provide a manual selector switch or other means
to permit the supplementary heater to be energized when the heat pump
compressor and associated equipment are inoperative. Control supplementary
heater with the room thermostat while bypassing the outdoor thermostat.
Locate switch adjacent to or as an integral part of the room thermostat.
An indicator light on the room thermostat or manual heat switch shall
indicate when supplementary heaters are operating.
2.4.7
Accessories
In addition to accessories specified in FS A-A-50502, provide the following
accessories for heat pump units.
a.
Protective grille around outside unit coils
[b.
Start capacitor kit]
2.5
AIR CONDITIONERS
**************************************************************************
NOTE: Select the appropriate Type, Style, and Class
from the latest edition of FS OO-A-373 or FS
OO-A-374.
**************************************************************************
**************************************************************************
NOTE: Equipment having a higher efficiency than
required by ASHRAE 90.1 or FS A-A-50502 shall be
specified if shown to be life-cycle cost effective.
**************************************************************************
**************************************************************************
NOTE: For units 39,555 watt 135,000 Btu/hrand
larger, include bracketed sentence concerning liquid
subcooling.
**************************************************************************
2.5.1
Single Package Type
FS OO-A-373, except as modified herein; Type [_____], Style [_____], Class
[_____]. Additional requirements for various system components are
specified in this article; however, the basic requirements for the system
and system components are contained in FS OO-A-373. Provide factory
packaged [cooling] [combination heating and cooling] units. Provide units
suitable for [indoor] [outdoor] [roof top] installation. [Provide units
SECTION 15730N
Page 17