Carrier WEATHERMASTER 50HJQ004-016 Product Data page 80

Guide specifications — 50TFQ004-012 (cont)
device to provide single enthalpy control. When
used in conjunction with a return air enthalpy
sensor, the unit will provide differential enthalpy
control. The sensor allows the unit to to deter-
mine if outside air is suitable for free cooling.
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16. Return Air Enthalpy Sensor (EconoMi$er IV or
EconoMi$er2):
The return air enthalpy sensor shall be used
with the EconoMi$er IV or EconoMi$er2
device. When used in conjunction with an out-
door air enthalpy sensor, the EconoMi$er IV or
EconoMi$er2 device will provide differential
enthalpy control.
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17. Return Air Temperature Sensor (EconoMi$er
IV or EconoMi$er2):
The return air temperature sensor shall be used
with the EconoMi$er IV or EconoMi$er2
device. When used in conjunction with the stan-
dard outdoor air temperature sensor, the
EconoMi$er IV or EconoMi$er2 device will pro-
vide differential temperature control.
18. Outdoor Air/Return Air Temperature Sensor
(adjustable) (EconoMi$er2):
Optional sensor uses the PremierLink control
to control outdoor air damper and compressor
operation.
19. Indoor Air Quality (CO
a. Sensor shall have the ability to provide
demand ventilation indoor air quality (IAQ)
control through the EconoMi$er2 with an
IAQ sensor.
b. The IAQ sensor shall be available in duct
mount, wall mount, and wall mount with
LED display. The set point shall have adjust-
ment capability.
c. Requires EconoMi$er2 PremierLink control
options.
20. Outdoor Coil Hail Guard Assembly:
Hail guard shall protect against damage from
hail and flying debris.
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21. Indoor Air
(EconoMi$er IV):
Sensor shall have the ability to provide demand
ventilation control through the EconoMi$er IV.
The IAQ sensor shall be wall mounted with an
LED display in parts per million. The set point
shall have adjustment capability.
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22. Return Air CO
Sensor shall have the ability to provide demand
ventilation control through the EconoMi$er IV.
The IAQ sensor shall be duct mounted. The set
point shall have adjustment capability.
23. Alternate Motors and/or Drives (004-006,
008, 012):
Alternate motors and drives shall be factory-
installed to provide additional performance
range.
80
) Sensor:
2
Quality (CO ) Room
2
Sensor (EconoMi$er IV):
2
24. High-Static Motor(s) and Drive(s) (50TFQ004-
012):
High-static motor(s) and drive(s) shall be factory-
installed to provide an additional performance
range.
25. Outdoor Coil Grille:
The grille protects the outdoor coil from dam-
age by large objects without increasing unit
clearances.
26. Compressor Cycle Delay:
Unit shall be prevented from restarting for a
minimum of 5 min. after shutdown.
27. Salt Spray Protection Package (008-012):
Coil guard protects coil from corrosion in
coastal areas and in areas with high sulfur
emissions.
28. Fan/Filter Status Switch:
Switch shall provide status of 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.
29. Unit-Mounted Disconnect Switch:
Switch shall be factory-installed. Internally
mounted, NEC and UL approved non-fused
switch provides unit power shutoff. Switch shall
be accessible from outside the unit.
30. Convenience Outlet:
Outlet shall be factory-installed and internally
mounted with easily accessible 115-v female
receptacle. Outlet shall include 15 amp GFI
receptacle with independent fuse protection.
Voltage required to operate convenience outlet
shall be provided by a factory-installed step-
down transformer. Outlet shall be accessible
from outside the unit.
31. Emergency Heat Package:
When mechanical heating is locked out,
auxiliary
necessary.
Sensor
32. Ultra-Violet Germicidal Lamps:
Ultra-violet germicidal lamps are designed
to eliminate odor causing mold and fungus
that may develop in the wet area of the indoor
section
low
field installed in the indoor section of the
unit, aimed at the indoor coil and condensate
pan. The short wavelength ultra-violet light
inhibits and kills mold, fungus and microbial
growth. The lamps have an output rating at
45 F in 400 fpm airflow of 120 microwatts/
cm
905
heat shall be
of the unit. The
temperature germicidal
2 at 1 meter.
activated when
high output,
lamps are