Toptech TT-P-411 Manual De Instrucciones página 4

Heat Pump Systems
Typical Wiring Configurations
NOTE: The "Installer Switch" option will be configured in the next step.
1 HEAT / 1 COOL - No Auxiliary Heat
Set Installer Switch to HP
Rh*
24 Volt AC Power
Rc*
Connected to Rh with supplied Jumper Wire
O or B Changeover Valve [note 2]
Y
Compressor Relay
G
Fan Relay
C 24 Volt AC Transformer Common [note 1]
* Appears as R on TT-P-421 (single transformer).
2 HEAT / 1 COOL - Including Auxiliary Heat (TT-P-421 only)
Set Installer Switch to HP
Rh
24 Volt AC Power
O or B Changeover Valve [note 2]
Y1
Compressor Relay (1st stage heating/cooling)
W2 Auxiliary Heat Relay (2nd stage heating) [note 3]
E Emergency Heat Relay [note 3]
G
Fan Relay
C 24 Volt AC Transformer Common [note1]
NOTES - Heat Pump Systems
[1] If batteries are installed the 24 Volt AC common connection is optional.
[2] Select O for cool active or B for heat active.
[3] Install a field supplied jumper between the W2 and E terminals if
there is no separate emergency heat relay installed.
Provide disconnect and overload protection as required.
Set Installer Switches
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The Installer switches are located on the back of the thermostat and must
be properly configured for this thermostat to operate properly.
Switch
NORM / HP NORM
F / C
HE / HG
NOTE: The reset button must be pressed after making any changes to
these switches.
(appears as Y1 on TT-P-421)
Factory Setting
Default Options Comments
NORM
HP
F
F
C
HG
HG
HE
Select for conventional systems
Select for heat pump systems
Select for fahrenheit temperature scale
Select for celsius temperature scale
Select for gas heat
Select for electric heat
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