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64
Menu 2: Advanced Setup
PARAMETER
PROJECT
VALUE
PARAMETER
DEFAULT
VALUE
PARAMETER
RANGE AND
INCREMENT
NOTES
MA LO SET
45°F (7°C)
35 to 55°F (2 to 13°C);
incremented by 1°
SUPPLY AIR TEMPERATURE LOW LIMIT
Temperature to achieve Freeze Protection (close damper and
alarm if temperature at SAT location falls below setup value)
FREEZE POS
CLO
CLO or MIN
FREEZE PROTECTION DAMPER POSITION
Damper position when freeze protection is active
CLO =closed
MIN = MIN POS or VENTMAX
CO2 ZERO
0ppm
0 to 500 ppm;
increment by 10
CO
2
ppm level to match CO
2
sensor start level.
CO2 SPAN
2000ppm
1000 to 3000 ppm;
increment by 50
CO
2
ppm span to match CO
2
sensor.
STG3 DLY
2.0h
0 min, 5 min, 15 min,
then 15 min intervals.
Up to 4 h
or OFF
COOLING STAGE 3 DELAY
Delay after stage 2 for cool has been active. Turns on second
stage of cooling when economizer is first stage and mechanical
cooling is second.
SD DMPR POS
CLO
CLO or OPN
Function NOT AVAILABLE with 2-speed mode
DCVCAL ENA
MAN
MAN (manual)
Turns on the DCV automatic control of the dampers. Resets
ventilation.
MAT T CAL
0.0
1.0°F (or °C)
± 2.5°F (± 1.4°C)
SUPPLY AIR TEMPERATURE CALIBRATION
Allows the operator to adjust for an out of calibration supply air
temperature (SAT) sensor.
OA T CAL
2.0
3.0°F (or °C)
± 2.5°F (± 1.4°C)
OUTSIDE AIR TEMPERATURE CALIBRATION
Allows the operator to adjust for an out of calibration outside air
temperature (OAT) sensor
OA H CAL
0% RH
± 10% RH
OUTSIDE AIR HUMIDITY CALIBRATION
Allows the operator to adjust for an out of calibration of outside
air enthalpy sensor
RA T CAL
4.0
5.0°F (or °C)
± 2.5°F (± 1.4°C)
RETURN AIR TEMPERATURE CALIBRATION
Allows the operator to adjust for an out of calibration return air
temperature (RA) sensor
RA H CAL
0% RH
± 10% RH
RETURN AIR HUMIDITY CALIBRATION
Allows the operator to adjust for an out of calibration return air
enthalpy sensor
DA T CAL
0.0
1.0°F (or °C)
± 2.5°F (± 1.4°C)
DISCHARGE AIR TEMPERATURE CALIBRATION
Allows the operator to adjust for an out of calibration discharge
air temperature (DAT) sensor
2SP FAN DELAY
5 minutes
0 to 20 minutes in
1 minute increments
TIME DELAY ON SECOND STAGE ECONOMIZING
While in the Economizing mode, this is the delay between ther-
mostat Y2 call and Y1-O output to mechanical cooling stage, to
allow high speed fan operation to attempt to cool space first.
Summary of Contents for WeatherExpert 50LC14
Page 4: ...4 Fig 2 50LC Vertical Airflow Size 14...
Page 5: ...5 Fig 3 50LC Horizontal Airflow Size 14...
Page 6: ...6 Fig 4 50LC Back View and Condensate Drain Location Size 14...
Page 7: ...7 Fig 5 50LC Corner Weights and Clearances Size 14...
Page 8: ...8 Fig 6 50LC Bottom View Size 14...
Page 9: ...9 Fig 7 50LC Vertical Airflow Sizes 17 20...
Page 10: ...10 Fig 8 50LC Horizontal Airflow Sizes 17 20...
Page 11: ...11 Fig 9 50LC Back View and Condensate Drain Location Sizes 17 20...
Page 12: ...12 Fig 10 50LC Corner Weights and Clearances Sizes 17 20...
Page 13: ...13 Fig 11 50LC Bottom View Sizes 17 20...
Page 14: ...14 Fig 12 50LC Vertical Airflow Sizes 24 26...
Page 15: ...15 Fig 13 50LC Horizontal Airflow Sizes 24 26...
Page 16: ...16 Fig 14 50LC Back View and Condensate Drain Location Sizes 24 26...
Page 17: ...17 Fig 15 50LC Corner Weights and Clearances Sizes 24 26...
Page 18: ...18 Fig 16 50LC Bottom View Sizes 24 26...
Page 21: ...21 Fig 19 Roof Curb Details 14 Size Unit...
Page 22: ...22 Fig 20 Roof Curb Details 17 and 20 Size Units...
Page 23: ...23 Fig 21 Roof Curb Details 24 and 26 Size Units...
Page 30: ...30 Fig 42 50LC 14 26 Electro Mechanical Control Wiring Diagram...
Page 31: ...31 Fig 43 50LC 14 26 RTU Open Control Wiring Diagram...
Page 32: ...32 Fig 44 50LC 14 26 SystemVu Control Wiring Diagram...
Page 35: ...35 Fig 47 Typical Power Wiring Diagram SystemVu Controls 50LC Unit 208 230V Shown...
Page 36: ...36 Fig 48 Typical Power Wiring Diagram SystemVu Controls 50LC Unit 460V 575V Shown...
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