Settings - Lennox Core Unit Controller Setup Manual

9.4.

Settings

9.4.1. RTU Options
Settings available are:
• Blower - Speed and VFD Bypass options
• Damper - Economizer Temperature and Economizer type with settings for Temperature offset and setpoint
• Dehumidifier
• Power Exhaust
• Edit Parameters - Categories are cooling, heating, air flow, VAV, economizer, control options and miscellaneous.
RTU
OPTIONS
BLOWER
DAMPER
DEHUMIDIFIER
SPEEDS
MSAV BLOWER CFM
SETTINGS (COOLING HIGH,
VFD BYPASS
COOLING LOW AND
VENTILATION
VFD BYPASS DISENGAGED
= ON OR OFF
SET FREE COOLING SUPPLY
ENTHALPY OFFSET
AIR SETPOINT
SELECT
VENTILATOIN
OPTION
BUILDING PRESSURE
CONTROL
DEMAND CONTROL
VENTILATION
SET DEMAND
CONTROL
VENTILATION
DISABLED
SELECT
DEHUMIDIFIER
MODE BLOWER OCCUPIED
PREVIOUS COOLING
REPORT RELATIVE
HUMIDITY ONLY
PREVOUS COOLING
BLOWER OCCUPIED
NO CONDITION
Figure 28. RTU Options - Blower, Damper and Dehumidifier
START & STOP
SUMMARY
BLOWER
CLOSE AND
START BLOWER
OPEN DAMPER
NONE
SET POWER
EXHAUST
MODE
SET BUILDING
PRESSURE SETPOINT
NONE
SELECT SENSOR
TYPE
REHEAT DIGITAL INPUT 4
NETWORK SENSOR
LOCAL SENSOR
NETWORK SENSOR
SELECT SENSOR
TYPE
LOCAL SENSOR
26
DAMPER CALIBRATION
BLOWER SPEED HIGH
SET ECONOMIZER
BLOWER ON
TRAVEL SETPOINTS
POWER EXHAUST -
EXTERNAL ENABLE
SET BUILDING
PRESSURE SETPOINT
OCCUPIED
FRESH AIR
TEMPERATING - SET
FRESH AIR SETPOINT
ALWAYS
SUMMARY
SUMMARY
ENHANCED
DEHUMIDIFICATION
ON OR OFF
DEHUMDIFICATION
SETPOINT AND
DEADBAND
ENHANCED DEHUMDIFICATION
ON OR OFF
NETWORK OR LOCAL SENSOR
DEHUMIDIFICATION SETPOINT