Step 14 - Adjust Factory-Installed Options; Smoke Detectors; Step 15 - Install Accessories; Step 16 - Fan Speed Set Up - Carrier WeatherExpert 48JC04 Installation Instructions Manual

Step 14 — Adjust Factory-Installed Options

SMOKE DETECTORS

Smoke detector(s) will be connected to the SystemVu Main
Base Board at J5.
Step 15 — Install Accessories
Available accessories include:
• Roof curb
• Thru-base connection kit (must be installed before unit is
set on curb)
• LP conversion kit
• Flue discharge deflector
• Manual outside air damper
• Two-position motorized outside air damper
• EconoMi$er2
• Power Exhaust
• Differential dry-bulb sensor
• Outdoor enthalpy sensor
• Differential enthalpy sensor
• CO sensor
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• Louvered hail guard
• Phase monitor control
Refer to separate installation instructions for information on in-
stalling these accessories.
Step 16 — Fan Speed Set Up
SYSTEMVU™ CONTROLS
The fan speed settings are accessed through the SystemVu
interface.
1. Check the job specifications for the CFM (cubic feet per
minute) and ESP (external static pressure) required.
2. Using the chart on the Fan Speed Set Up labels (see
Fig. 53), calculate the RPM from the CFM and ESP for the
base unit plus any field accessories (as listed on the label).
NOTE: The fan speed set up labels are located on the High Volt-
age cover in the Control Box.
3. Press any key on the SystemVu interface to activate the
display backlight and then press the MENU key.
4. Using the UP and DOWN arrow keys highlight SET-
TINGS and then press ENTER.
5. Use the DOWN arrow key highlight the UNIT CONFIG-
URATIONS menu then press ENTER.
6. Highlight UNIT CONFIGURATIONS then press ENTER.
7. Highlight INDOOR FAN and then press ENTER.
8. Refer to the job specifications to set the following, deter-
mining the values per the RPM Calculator label (see
Fig. 53). Use the UP and DOWN arrow keys and the
BACK key to set the values. Press ENTER after setting
each value to continue to the next selection.
• IDF VENT SPD
• IDF HEAT SPD
• IDF LOW COOL SPD
• IDF HIGH SPD
• IDF FREE COOL SPD
For further details, see the 48/50JC Series Single Package
Rooftop Units with SystemVu Controller Controls, Start-up,
Operation and Troubleshooting manual.
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