Aprilaire 8537 Specifications

PRODUCT DESCRIPTION
These Aprilaire ® thermostats are designed for new or replacement heat pump applications. Each
one represents the latest in solid-state, surface-mounted electronics and manufacturing
techniques, incorporated into a unique, ultra-thin ABS plastic case. They offer "user-friendly" control
{and programming with model 8555} of the heat pump system along with an easy-to-read vertical LCD
that displays complete equipment operation status. An easily installed direct wire sub-base mounts on
a standard vertical outlet box or any dry wall surface using provided anchors and hardware.
STANDARD FEATURES
• Energy Star Compliance.
• Meets CA Title 24 Requirements
• Selectable Celsius or Fahrenheit temperature display.
• Fan button for continuous fan operation.
• Built-in short cycle protection.
• Electronic circuitry instead of conventional mechanical anticipator.
• Built-in fossil fuel kit for dual fuel applications with optional
adjustable balance points {requires outdoor Temperature Sensor Model 8041}.
• Internal keypad lockout switch to prevent unauthorized tampering.
• Lockable access cover.
• No battery required {always maintains the program and mode
of operation following power outages of any duration}.
• O and B reversing valve outputs.
• Day/Night button for one-touch set-back.
• Outdoor temperature sensor {optional}.
• Indoor remote temperature sensor {optional}.
• Adapter plate to cover unpainted walls or discolored wallpaper {optional}.
• Independent circuit switching {allows 24-volt AC or DC power}.
• Remote clock terminals for automatic temperature set-back.
• Built-in auxiliary heat light indicator.
• Two free LEDs.
• Dry contact relay outputs.
• Switchable LCD service symbols {icons}.
• 7 day programming with 2 or 4 events per day.
• 12- or 24-hour clock.
• Copy feature to allow one program to be copied to subsequent days.
• Temperature override {3 hours} and Continuous override {Hold}.
• 2˚F {1˚C} minimum Heat/Cool separation.
• Short cycle protection – minimum on/off time {2- or 4-minute selectable}.
• 3-stage heat; 2-stage cool.
• 2-stage emergency heat.
P R O D U C T S P E C I F I C AT I O N S
Multi-Stage Heat Pump Thermostats
Models 8555 and 8537
(SHP 2) and (DSL 600)
8555 8537
■
■
■ ■
■ ■
■ ■
■ ■
■ ■
■ ■
■ ■
■ ■
■ ■
■
■ ■
■ ■
■ ■
■ ■
■
■ ■
■ ■
■ ■
■ ■
■
■
■
■
■ ■
■ ■
■ ■
■
Product Profile:
Actual Size