heaters (only for units with two electrical
10
WALL THERMOSTAT TERMINAL (Optional)
!
CAUTION
Failure to follow this caution may result in
equipment damage or improper operation.
Improper wiring may damage unit electronics.
Common bussing is not permitted. Damage or
erratic operation may result.
UNIT DAMAGE HAZARD
NOTE:
Use terminal 4-way for heat pump connection
only.
Set the compressor protection time for
more than 3 minutes in
. If set less
than 3 minutes, the compressor will restart after
a delay of at least 3 minutes.
must be heating changeover 4-way
valve.
For thermostats that have only one fan speed
output (on or auto), the fan speed is determined
by how the terminal connector is wired. If Low
fan is desired, wire the G output from the
thermostat to (LOW-FAN) on the units terminal
block. If High fan is desired, wire the G output
from the themostat to (HI-FAN) on the unit's
terminal block.
The range of set temperature of
must match the range of DIP switch setting.
must be set to match the unit
type : heat pump or no heat pump.
If the
has only one electrical
heater output, connect the two terminals of HEAT 1
and HEAT 2 for, the unit to operate two electrical
heaters). Otherwise, operate one electrical heater.
Please do not remove the control panel.
wall thermostat
Wall thermostat
wall thermostat
Wall thermostat
wall thermostat
FRONT DESK CONTROL
The controller can handle a switch signal from FC(L)
and FC(N) input called front desk control. Input must
be 24VAC.If system doesn't receive a 24VAC signal,
it will turn unit off. Otherwise, the unit runs in normal
control.
-
The DIP switch can control the FRONT DESK
CONTROL feature. When the DIP switch is on the
DOWN position, the unit will turn off. Otherwise, the
unit runs in normal control. See Fig. B.
Fig. B.
Dip switch of FRONT
DESK CONTROL
