Lux Products pspa722 ユーザーズマニュアル

11

WIRING DIAGRAM NOTES
1. Dashed lines are optional.
2. Optional common wire
allows system to power
thermostat.
3. Use “B” or “O” wire - but
not both in heat pump
systems. Generally neither
are required in a
conventional system.
4. If “Y” and “C” wires are
both present, then “C” is a
common wire.
5. If a “B” wire in your
system is a common wire
then connecting it to the B
terminal may cause damage
to your system.
6. The PSPA722 is not
compatible with Heat Pump
Systems.

WARNING: THIS IS A LOW
VOLTAGE THERMOSTAT
(24 volts).  A SERIOUS
RISK OF FIRE EXISTS IF
YOU CONNECT THIS
THERMOSTAT TO A LINE
VOLTAGE APPLICATION
(typically 115 or 230 volts).
IF UNCERTAIN ABOUT THE
VOLTAGE CONSULT A
PROFESSIONAL
ELECTRICIAN.