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GUIDE SPECIFICATIONS — 580F036-151 AND 581B036-150 (cont)
t. Remote Minimum Position Control — A field-
installed accessory remote potentiometer allows
the outdoor air damper to be opened or closed
beyond the minimum position in the occupied
mode for modified ventilation.
3. Manual Outdoor-Air Damper:
Manual damper package shall consist of damper,
birdscreen, and rainhood which can be preset to
admit up to 50% outdoor air for year round
ventilation.
* 4. 100% Two-Position Damper:
a. Two-position damper package shall include single
blade damper and motor. Admits up to 100% out-
door air.
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% Two-Position Damper:
a. Two-position damper package shall include single
blade damper and motor. Admits up to 25% out-
door air.
b. Damper shall close upon indoor (evaporator) fan
shutoff.
* 6. Head Pressure Control Package:
Consists of solid-state control and condenser-coil
temperature sensor to maintain condensing temper-
ature between 90 F and 110 F at outdoor ambient
temperatures down to –20 F by condenser-fan
speed modulation or condenser-fan cycling and wind
baffles.
7. LP (Liquid Propane) Conversion Kit:
Package shall contain all the necessary hardware
and instructions to convert a standard natural gas
unit for use with liquefied propane (valid up to 2000 ft
elevation).
* 8. Electronic Programmable Thermostat:
Units shall be capable of using deluxe full-featured
electronic thermostat. Thermostat shall use built-in
compressor cycle delay control for both heating and
cooling duty. Thermostat shall be capable of working
with third party direct digital controls.
9. Light Commercial Thermidistat™ Device:
Field-installed wall-mounted thermostat is used to
control temperature and activation of the dehumidifi-
cation package. The Thermidistat device can be set
for humidity settings from 50% to 90% relative
humidity. Automatic humidity control adjusts indoor
humidity based on the outdoor temperature sensor.
* 10. Flue Shield:
Flue shield shall provide protection from the hot
sides of the gas flue hood.
* 11. Thermostat and Subbase:
Thermostat and subbase shall provide staged cool-
ing and heating automatic (or manual) changeover,
fan control, and indicator light.
* 12. Condenser Coil Hail Guard Assembly:
Hail guard shall protect against damage from hail
and flying debris.
13. Unit-Mounted, Non-Fused Disconnect Switch:
Switch shall be factory-installed, internally mounted.
NEC and UL approved non-fused switch shall
provide unit power shutoff. Switch shall be accessi-
ble from outside the unit and shall provide power off
lockout capability.
14. Convenience Outlet:
Outlet shall be factory-installed and internally
mounted with easily accessible 115-v female recep-
tacle. Shall include 15 amp GFI receptacle with inde-
pendent fuse protection. Voltage required to operate
convenience outlet shall be provided by a
factory-installed step-down transformer. Shall be
accessible from outside the unit.
15. High-Static Indoor Fan Motor(s) and Drive(s)
(036-120):
High-static motor(s) and drive(s) shall be factory-
installed to provide additional performance range.
16. Flue Discharge Deflector:
Flue discharge deflector directs unit exhaust verti-
cally instead of horizontally.
17. Condenser Coil Grille:
The grille protects the condenser coil from damage
by large objects without increasing unit clearances.
18. Compressor Cycle Delay:
Unit shall be prevented from restarting for minimum
of 5 minutes after shutdown.
19. Thru-the-Bottom Utility Connectors:
Kit shall provide connectors to permit gas and elec-
trical connections to be brought to the unit through
the basepan.
20. Fan/Filter Status Switch:
Switch shall provide status of indoor (evaporator) fan
(ON/OFF) or filter (CLEAN/DIRTY). Status shall be
displayed over communication bus when used with
direct digital controls or with an indicator light at the
thermostat.
21. Power Exhaust Accessory for EconoMi$er IV or
EconoMi$er2:
Power exhaust shall be used in conjunction with
EconoMi$er IV or EconoMi$er2 to provide system
exhaust of up to 100% of return air (vertical only).
The power exhaust is a field-installed accessory
(separate vertical and horizontal design).
NOTE: Horizontal power exhaust is intended to
mount in return ductwork.
As the outdoor-air damper opens and closes, both
propeller fans are energized and deenergized
through the EconoMi$er IV controller. The set point
is factory set at 100% of outdoor-air, and is adjust-
able 0 to 100% to meet specific job requirements.
Available in 208/230-1-60 v or 460-3-60 v. An LED
light on the controller indicates when the power
exhaust is operating.
For the EconoMi$er2, the power exhaust shall be
controlled by the third party controls.
22. Outdoor Air Enthalpy Sensor (EconoMi$er IV or
EconoMi$er2):
The outdoor air enthalpy sensor shall be used with
the EconoMi$er IV or EconoMi$er2 device to provide
single enthalpy control. When used in conjunction
with a return air enthalpy sensor, the EconoMi$er IV
or EconoMi$er2 device will provide differential
enthalpy control. The sensor allows the EconoMi$er
IV or EconoMi$er2 controller to determine if outside
air is suitable for free cooling.
580F036-150 AND 581B036-150