Aprilaire S86N MU Multi Stage Universal Thermostat Instruction Manual
TABLE 2 – HUMIDIFIER SYSTEM SETTINGS (S86N MUPR ONLY)
TABLE 2 – HUMIDIFIER SYSTEM SETTINGS (S86N MUPR ONLY)
Factory default setting
(bold) and setting range
Factory default setting
(bold) and setting range
System setting
Description
System setting
Description
Outdoor
Selects when humidification is allowed to
occur relative to heating and fan operationꢀ
NOTE: Without Fan is only available
when Humidifier Installed is set to Yes/
Standalone. It allows humidification to
occur without activating an HVAC fan and
should only be used when the humidifier
is mounted independently of any HVAC
systemꢀ
Remote
(Onboard sensor disabled)
Selects how the external temperature
sensor terminals (T1 & T2) are being usedꢀ
Choose Outdoor for a wired outdoor sensor
or Remote/Remote Average for a wired
indoor sensorꢀ
Wired
Temperature
Sensor Installed?
Heat Only
Allowed
Humidifier
Operation
Heat or Fan
Forces Fan
Without Fan
Remote Average
(Average with onboard sensor)
No
(No external sensor connected)
Selects auto or manual modeꢀ Auto mode
controls humidity based on the humidity
setting and outdoor temperatureꢀ Manual
mode controls humidity based on the %RH
setpointꢀ (Auto mode is only available if an
outdoor sensor option is enabledꢀ)
CAUTION
Auto
Manual
Humidifier Mode
When Humidifier Operation is set to Without Fan the thermostat will turn on
humidification without energizing the HVAC fan. Do not select this option when the
humidifier is installed on the HVAC duct. Without airflow moisture can accumulate in the
duct resulting in significant damage.
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| General | Details |
|---|---|
| Name | Aprilaire S86N MU Multi Stage Universal Thermostat Instruction Manual |
| Make | Aprilaire |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.37 MB |

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