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Aprilaire 8346 User Manual

Aprilaire 8346
16 pages
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MODEL 8344 HEAT/COOL NON-PROGRAMMABLE
MODEL 8346 HEAT PUMP NON-PROGRAMMABLE
MODEL 8348 HEAT/COOL MULTI-STAGE NON-PROGRAMMABLE
MODEL 8363 HEAT/COOL 5/2 DAY PROGRAMMABLE
MODEL 8365 HEAT PUMP 5/2 DAY PROGRAMMABLE
MODEL 8366 HEAT/COOL MULTI-STAGE 5/2 DAY PROGRAMMABLE
Installation Manual
Electronic
Thermostats
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Aprilaire 8346 Specifications

General IconGeneral
BrandAprilaire
Model8346
CategoryThermostat
LanguageEnglish

Summary

Safety and Specifications

General Safety Warnings

Advisories on electrical shock hazards, mercury toxicity, and proper disposal procedures.

Thermostat Specifications

Details key operating parameters including comfort range, accuracy, voltage, and current limits.

Thermostat Installation

Choosing the Mounting Location

Guidance on selecting an ideal spot for the thermostat, avoiding common placement errors.

Disassembly for Installation

Instructions on how to carefully detach the thermostat's front cover and faceplate.

Mounting to the Wall or Junction Box

Procedures for physically attaching the thermostat, covering direct wall and junction box methods.

System Type Configuration (ELEC/GAS)

Setting the internal switch to match the connected heating system type (Electric or Gas).

Heat Pump Reversing Valve Jumper Setup

Configuring the O/B terminal jumper for correct heat pump operation (O or B).

Wiring Connections

Detailed diagrams and steps for connecting thermostat wires to the HVAC system.

Installing Batteries and Reassembly

Instructions for inserting batteries and reassembling the thermostat unit after wiring.

Configuration and Check-out

System Functionality Check-out

Procedures to test heating, cooling, and fan operations after installation.

Setting Temperature Scale, Differential, and Offset

Customizing temperature scale, differential, offset, and setting filter/humidifier alerts.

Setting the Clock and Day

Programming the thermostat's current time and day of the week for accurate scheduling.

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