Quick Start Guide - Lennox Core Unit Controller Setup Manual

16. Quick Start Guide

Check rooftop unit electrical power for proper voltage and phasing. Check gas train components.
a. Turn on unit and dismiss alarm messages as necessary.
b. Follow SETUP > INSTALL menu to properly configure unit
c. Be sure unit is in normal operating mode as seen in display (COOLING, HEATING, IDLE, etc).
d. To verify operation use SERVICE > TEST menu.
Control Mode Menu Setup Needed
THERMOSTAT (Factory set for 2-stage thermostat)
SETUP > NETWORK INTEGRATION > NETWORK WIZARD > NETWORK
BACnet
TYPE = BACNET MS/TP
LonTalk SETUP > NETWORK INTEGRATION > NETWORK WIZARD > = LONTALK
Damper SETUP > TEST & BALANCE > DAMPER
SETUP > NETWORK INTEGRATION > NETWORK WIZARD > RTU
Local Mode
STANDALONE
Dehumidifier setup will be done during the SETUP >INSTALL wizard. It's the
Dehumidifier
last part of that wizard.
Change motor torque; see
Blower
SETUP > TEST & BALANCE > BLOWER
CAUTION
88
Tips
Check LEDs for signals.
• Setup information to be verified with
integrator.
• Follow wiring instructions including network
termination
• Remember to set MAC address 0-127
• Expert level BACnet service manual available.
• Setup information to be verified with
integrator.
• Follow wiring instructions including network
termination
• XIF file available. Neuron ID on sticker.
• Expert level LonTalk service manual available.
• Verify damper minimum positions
• Refer to Economizer section of manual for
more detail
• Give unit time to start-up.
• Humidity control requires sensor or error code
7649
• Three possible connections, LOCAL
SENSOR, NETWORK SENSOR and
REHEAT DI4.
• Analog sensor wiring is polarity sensitive
• Final motor CFM should be set by Test and
Balance technician
• Blower charts are located in the unit
installation instruction.