Installation
Optional temperature and relative humidity
support modules for elaborate applications
Dual fuel operation (lockout of heat pump
w/ call for back-up fossil fuel heat)
Commercial and residential applications
(2 or 4 events per day)
Remote indoor sensor option w/ 8051/8053
sensors
Temperature offset ± 8°
Integrated dual fuel kit w/ high and low balance
point control (requires 8052 sensor)
Geothermal water to water friendly –
B & O de-energize in the off mode to
prevent unnecessary heating and cooling
of the buffer tank
2H/2C Conventional and 4H/2C Heat Pump
Universal Thermostat
- One stat fits all applications
Configurable manual heat/cool or
auto changeover modes
Configurable heating and cooling, heating
only or cooling only operation
Direct connect an outdoor and indoor sensor
On board Relative Humidity sensor
Configurable to control humidifier and
dehumidifier
Large, easy-to-wire terminal block
Adjustable differential for 1st, 2nd, 3rd
and 4th stages
Operation
Maintenance reminders
- Humidifier, air filter, dehumidifier, HVAC
Global reports outdoor temperature to all
thermostats on the network
Circulate fan mode
Programmable fan
Progressive recovery
Built-in equipment protection
Equipment stage indication
High and low setpoint temperature limits
Five year warranty
“Copy” function for quick and easy programming
Multiple hold options maximizes comfort
and energy savings
- Vacation hold
- Customizable timed hold
- Permanent hold
Real time clock automatically adjusts for daylight
savings time
Permanent memory — programming and date
isn’t lost during a power outage
Battery back up maintains clock
Screen
Large 10.3 sq. in. touch screen
Large font size
Fully back lit w/ constant low intensity light
option
Exclusive message center (provides feedback
and real language instructions)
Displays outdoor temp (w/ optional 8052 sensor)
Real language programming/set up —
no manual needed
Full or limited screen lockout
Real Language Programming!
No Manual to Reference
Aprilaire Model 8800 Universal CommunicatingThermostat
Features of the Model 8800 Thermostat
www.aprilairepartners.com
PO Box 1467 Madison, WI 53701-1467 • Phone–888.782.8638 Fax–608.257.4357
Form No. 5211 03.11
Printed in U.S.A.
Thermal Specifications
Control range: 45º to 99ºF (7º to 32ºC)
Display range: 32º to 99ºF (0º to 40ºC)
Accuracy: ± 1ºF (± .5ºC)
Storage temperature: -30º to 140ºF (-34.4º to 60ºC)
Operating humidity: 5% to 90% relative humidity
Operating ambient temperature: 32º to 120ºF (0º to 48.9ºC)
Shipping temperature range: -30º to 140ºF (-34.4º to 60ºC)
Accessories
8052 Outdoor Temperature Sensor
8051 Flush Mount Indoor Temperature Sensor
8053 Surface Mount Indoor Temperature Sensor
8081 Temperature Support Module
8082 Relative Humidity Support Module
Dimensions
4 15/16” High x 6” Wide x 1 5/16” Deep
Electrical Specifications
24 VAC (18-30 VAC)
1 amp maximum load per terminal
2.5 amp total maximum load (all terminals)
AC Power: 18-30 Volt AC
DC Power: 3.0 Volts DC (2 “AA” Alkaline batteries included)
Standard systems gas, oil, electric
Single stage/heat pump/multi-stage
Terminal Designations:
Rc, R, W, Y, G, C, S1, S2, O, B, L, W2, Y2, T1, T2
C, B, O, Y, Y2, G, RC, R, W2, WL, S2, S1, T1, T2, A-, B-,
A+, B+, RSA, RSB