Premier Series
Non-Programmable Thermostats
Important Safety Information
WARNING
• Always turn off power to the air conditioning or heating system prior to
installing, removing, cleaning or servicing thermostat.
• This thermostat is a dual power thermostat and either requires 24 Volt
AC Power or two (2) properly installed “AA” Alkaline batteries for normal
operation and control of the heating or cooling system.
• This thermostat should only be used as described in this manual. Any other
use is not recommended and will void the warranty.
Replacing Existing Thermostat
Most existing thermostats have three parts:
• The cover, which may snap or hinge over the existing thermostat.
• The electronics or body, which controls the existing system.
• The sub-base, where the wires attach through the wall to the existing system.
1.
Always turn off power to the air conditioning and heating system prior to
removing existing thermostat.
2.
Carefully remove the cover and electronics body from the old thermostat
sub-base. Depending on the brand, these parts may pull off or need to be
unscrewed. The old sub-base should remain wired and on the wall until
steps 4 and 5.
3.
Label every old wire with the letter of the connection to which the wire is
attached. Example letters are R, M, Y, etc. Depending on the brand of the
old thermostat, your letters may be different.
1
MODEL
3300
Multi-Stage 3 Heat / 2 Cool
Auto Changeover
Conventional and Heat Pump
Before Installing or Operating,
PLEASE READ ALL INSTRUCTIONS
1
Specifications
2
Installation
3
Quick Reference
4
Programming
Installer Settings
5
Programming
User Settings
6
Additional Operation
Features
7
Testing Thermostat
8
Troubleshooting
9
Wiring Diagrams
1
Specifications
• Electrical Rating: 24 Volt AC (18-30 Volt AC)
1 amp maximum load per terminal
5 amp maximum load (all terminals)
• Control Range: 45º - 90º F (7º C - 32º C)
• Accuracy: +/- 1º F (+/- .5º C), +/- 3% RH
• AC Power: 18-30 Volt AC
• DC Power: 3.0 Volt DC (2 “AA” Alkaline batteries included)
• Compatibility: Compatible with low voltage single stage or multi-stage heat / cool
systems, including heat pumps with up to three stages of heating and two stages of
cooling (three stage heating available on heat pump systems). This thermostat can
also be used on 250 to 750 millivolt heating only systems.
• Terminations: G, Rc, Rh, W2, B, O, Y1, Y2, W1/E/W3, C, L, S1, S2
2
Installation
Old Terminal from
Existing Thermostat
New Terminal for
New Thermostat
(Model 3300)
Terminal Description
G or F
G
Fan Control
Rc
Rc
24 Volt AC (Cooling for
Dual Transformer Systems)
R, V-VR or VR-R
Rh
24 Volt AC
W1, W2 or W-U
W2
Stage 2 Heating
B
B
Reversing Valve (Heating)
O or R
O
Reversing Valve (Cooling)
Y, Y1 or M
Y1
Stage 1 Compressor
Y2
Y2
Stage 2 Compressor
W1/E/W3
W1/E/W3
1st Stage Heating for
Conventional Systems or
Emergency Heating for 3
Stage Heat Pumps
C, X or B
C
24 Volt AC, Transformer
Common
L or X
L
System Malfunction Indicator
S1
S1
Optional Remote Sensor
S2
S2
Optional Remote Sensor
4.
After labeling the old wires, loosen each connection and remove them from
the old sub-base. Secure the wires to prevent them from slipping into the
opening in the wall.
5.
Remove the old sub-base from the wall, again being careful that the wires
do not slip into the opening in the wall.
6.
Use the chart on page 1 to determine the new thermostat connections.
As an example, if the old thermostat had a G or F connection, it goes to
G on the new thermostat. It may be helpful to use the chart by circling
(with a pencil or pen) the letter of each wire removed from the old thermostat.
