Aprilaire S86N MU Multi Stage Universal Thermostat Instruction Manual
OUTDOOR TEMPERATURE SENSOR (INCLUDED WITH S86N MUPR ONLY)
FIGURE 1 – OUTDOOR TEMPERATURE SENSOR WIRING
Outdoor temperature can be measured by attaching the included 8052 sensor to the T1 and T2
terminalsꢀ The outdoor sensor must be enabled in the installer setup menuꢀ
RH
RC
W
Y
Heat pump models can use the outdoor temperature to effectively utilize the heat pump:
• When the outdoor temperature is lower than the Low Balance Point, the heat pump will be
locked out and only auxiliary heating will be used to provide heatingꢀ
• When the outdoor temperature is higher than the High Balance Point, the auxiliary heating will
be locked out and only the heat pump will be used to provide heatingꢀ
G
Indoor Air Quality functions can use the outdoor temperature sensor to:
C
• Control humidification set point based on outdoor temperature to prevent condensation
(S86N MUPR only)ꢀ
O/B
L
W2
Y2
T2
T1
• Lock out ventilation based on high and/or low outdoor temperatures (S86N MUPR only)ꢀ
• Display outdoor temperature on thermostatꢀ
Outdoor temperature sensor should be mounted:
• On side of building out of direct sunlight (north side recommended)ꢀ
• Above snow lineꢀ
• At least 3 feet away from exhaust vents and condensing linesꢀ
• Using less than 300 feet of wireꢀ
I2
I1
• Do not route wires along 120 VAC linesꢀ
90-2561
4
5
| 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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