Aprilaire 8570 Premium Programmable Thermostat Instruction Manual
WIRE REQUIREMENTS
(1) SELECT A MOUNTING LOCATION
Figure 1 and the table show the number of wires that must be available at the thermostat in stand-alone thermostat systems (i.e. not as part
of an Aprilaire® Model 6504 Intelligent Zoned Comfort System). Figure 1 shows optional connections to both an outdoor temperature sensor
and an Aprilaire® Automatic Humidifier Control (AHC), but only one or the other can be used. All wire is standard 18-24 gauge thermostat cable.
If installing the thermostat alone…
If installing an indoor temperature sensor…
• Mount on an interior wall, in a frequently occupied space.
• Keep the thermostat 18" from an outside wall.
• Mount the thermostat where it can be readily accessed.
Note that the backlighting illuminates whenever a button
is pressed.
• Mount the thermostat approximately 5 feet above the floor.
Height requirements are different for compliance with the
Americans with Disabilities Act (ADA) – 48" maximum height
for forward reach and 54" maximum height for side reach.
Application
# Wires
Diagram (Page)
1 (9)
Figure 1 – Thermostat Wire
• Thermostat can be mounted on a vertical junction box (j-box).
Single-Stage Furnace/AC
Two-Stage Furnace/AC
Two-Stage Roof Top Unit
Boiler w/AC (2-transformer)
5
7
7
6
6
• DO NOT mount the thermostat where the operating range
temperatures will be exceeded (i.e. attic or unventilated
equipment room).
OPTIONAL –
AUTOMATIC
HUMIDIFIER
CONTROL
(AHC)
2 (10)
HVAC
EQUIPMENT
3 (11)
• Thermostat can be mounted to a vertical junction box (j-box).
• DO NOT mount the thermostat:
• Mount the sensor in the same location as if installing a
thermostat alone.
4 (12)
SEE
TABLE
– behind doors, in corners or other dead air spaces.
OPTIONAL –
INDOOR
TEMPERATURE
SENSOR
Radiant 1st Stage Heat,
Furnace 2nd Stage and AC
5 (13)
2-WIRES
OPTIONAL –
OUTDOOR
– in direct sunlight or near lamps, appliances or other
sources of heat.
TEMPERATURE
SENSOR
Single-Stage Heat Pump
6
7
6 (14)
7 (15)
– on an outside wall or wall exposed to an unconditioned
space (i.e. garage).
Single-Stage Heat Pump
w/Two Stages Aux. Heat
2-WIRES
2-WIRES
MODEL 8570
THERMOSTAT
– in the flow path of a supply register, in stairways or near
outside doors.
Two-Stage Heat Pump
8
8 (16)
– on a wall where concealed pipes or ductwork could
influence the sensor.
When this thermostat is connected to a Model 6504 as
shown in Figure 2, only one four-wire cable need be run
from the thermostat to the Model 6504. Use standard
18-24 gauge thermostat cable.
Figure 2 –
Model 6504
Wire
MODEL 8570
THERMOSTAT
4-WIRES
MODEL 6504
– near sources of electrical interference such as arcing
switch contacts.
- 2 -
- 3 -
| General | Details |
|---|---|
| Name | Aprilaire 8570 Premium Programmable Thermostat Instruction Manual |
| Make | Aprilaire |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.57 MB |

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