Lennox iComfort M30 Installation And Setup Manual page 19

MENU
VENTILATION SETTINGS
NOTE: Thermostat ventilation rate parameter are to be adjusted only after the HRV/ERV set up is completed and the CFMs are known. Once
the thermostat's CFMs are adjusted they are used with the thermostat's timer algorithm to determine how long to run the HRV/ERV.
VCM = ASHRAE and
Ventilation Outdoor Condition
Override is set to ENABLED.
NOTE: In this mode the thermostat can
assist the installer by validating
the ventilation CFMs are capable
of meeting the ASHRAE required
ventilation volumes, but the
thermostat has no ability to control
CFM from the HRV/ERV.
Table 5. Advanced Settings
SETTING (default is bold)
Ventilator Type: ERV or HRV
VENTILATION CONTROL MODE (VCM): ASHRAE or Timed
Ventilation Minutes Per Hour
Ventilation Rate
VCM = TIMED
Ventilation High Outdoor Temperature Limit
Ventilation Low Outdoor Temperature Limit
Ventilation High Outdoor Dew Point Limit
Ventilation Rate
Ventilation High Outdoor Temperature Limit
Ventilation Low Outdoor Temperature Limit
Ventilation High Outdoor Dew Point Limit
ASHRAE Compliance Check
ASHRAE Infiltration Credit
ASHRAE house floor area serviced by this
ventilator
ASHRAE Number of Bedrooms
Notes:
Default is 20 minutes. Range is 0 to 60 minutes
Default is 130 CFM. Range is 20 to 500 CFM
Default is 100⁰F. Range is 60⁰F to 115⁰F.
Default is 0⁰F. Range is -20⁰F to 55⁰F.
Default is 55⁰F. Range is 45⁰F to 80⁰F.
Default is 500 CFM. Range is 20 to 500 CFM.
Default is 100⁰F. Range is 60⁰F to 115⁰F.
Default is 0⁰F. Range is -20⁰F to 55⁰F.
Default is 55⁰F. Range is 45⁰F to 80⁰F.
Yes or No: Current settings comply with
ASHRAE 62.2.
Default is 0 CFM. Range is 0 to 200 CFM.
Default is 2500 square feet. Range is 500 to
5000 square feet.
Default is 3. Range is 1 to 10.
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