GUIDE SPECIFICATIONS Ð
b. Damper shall close upon indoor (evaporator) fan shutoff.
c. Designed to close damper during loss of power situations.
d. Equipped with 15% barometric relief damper.
*5. 25%
a.
b.Damper shall close upon indoor (evaporator) fan shutoff.
c.Designed to close damper during loss of power situations.
d.Equipped with barometric relief damper.
*6.
a.For use with variable sliding plate economizer package only.
b.Capable of sensing
*7. Differential Enthalpy Sensor:
a.For use with economizer only.
b.Capable of comparing heat content (temperature and humidity) of outdoor air and return air and controlling economizer
*8. Head Pressure Control Package:
Consists of
9. LP (Liquid Propane) Gas Conversion Kit:
*11. Flue Shield:
Provides protection from the hot sides of the gas ¯ue hood.
*12. Thermostat and Subbase:
Provides staged cooling and heating automatic (or manual) changeover, fan control, and indicator light.
*13. Condenser Coil Hail Guard Assembly:
Hail guard shall protect against damage from hail and ¯ying debris.
14.NOx Reduction Kit:
Package shall contain all necessary hardware and instructions to convert a standard natural gas unit to
reduce the nitrous oxide (NOx) emissions to a level of 40 nanograms/joule or less for unit sizes
15.Controls Upgrade Kit:
Kit shall contain
16.Alternate Motor(s) and/or Drive(s)
Alternate motor(s) and drive(s) shall be factory- installed to provide additional performance range.
17.Flue Discharge De¯ector:
Flue discharge de¯ector directs unit exhaust verti- cally instead of horizontally.
*18. Condenser Coil Grille:
The grille protects the condenser coil from damage by large objects without increasing unit clearances.
19.Compressor Cycle Delay:
Unit shall be prevented from restarting for minimum of 5 min. after shutdown.
20.
Package shall contain all the necessary hardware and instructions to convert a standard natural gas unit for use with lique®ed propane gas.
Kit shall provide connectors to permit gas and elec- trical connections to be brought to the unit through the basepan.
* 10. Commercial Programmable Thermostat: | 21. Fan/Filter Status Switch: |
|
Provides status of indoor (evaporator) fan (ON/OFF) or ®lter (CLEAN/DIRTY). Status shall be displayed over communication bus when used with direct digital controls or with an indicator light at the thermostat.
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