T500 Series Programmable Thermostats Product/Technical Bulletin
7
Compressor/Auxiliary
Normal
Single Stage
LED 1 Icon Off
LED 2 Icon Off
4 Events Per Day
Smart Fan Disabled
Heat/Cool: 4 Minute
(Minimum On)
Keyboard Unlocked
ON
1
3
2
4
5
6
2 Events Per Day
Smart Fan Enabled
Heat/Cool: 2 Minute
(Minimum On)
Keyboard Locked
7
8
LED 1 Icon
(Filter)
LED 2 Icon
(Wrench/Fault)
Compressor/Auxiliary
Interlocked
Multi-stage
Figure 9: T500HPP-1 DIP Factory-Set
DIP Switch Settings
W2
1st Stage Compressor
24VAC
Figure 10: T500HPP-1 Wiring Terminals
Table 3: T500HPP-1 Output Terminal
Designations
Terminal Function
W2
Energizes auxiliary heat as
second-stage heating in emergency
heat mode
Y2
Energizes compressor No. 2 on call
for second-stage heating or cooling
W1
Energizes auxiliary heat as
last-stage heating or first-stage in
emergency heat
Y1
Energizes compressor No. 1 on call
for heating or cooling
G
Energizes fan on call for heating or
cooling or by pressing
Fan
button
R
Independent switching voltage
24V
24 VAC from equipment transformer
24V(c)
24 VAC (common) from equipment
transformer
O
Energizes reversing valve in the
cooling mode
B
Energizes reversing valve in the
heating mode
LED 1
LED 2
Input connection that energizes
LED 1 or LED 2 from remote status
device (See Figure 9 and Table 6.)
RS2
RS1
RS+V
Connections for outdoor air
temperature or indoor remote
sensors; refer to instructions
included with sensors.
NO
COM
NC
The relay coil is de-energized in the
night event. In all other events, the
relay coil is energized. (See
Figure 16.)
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