Page 43
K-Control Systems
the rooftop unit. Default operation requires a standard
can also control the unit from a zone temperature sensor.
-
sychained to the L Connection
®
Network Control System.
PC with Unit Controller PC software installed.
L-Indoor Air Quality (CO2) Sensor A63
The indoor air quality sensor monitors CO2 levels and
adjusts the economizer dampers according to the CO2
levels. The sensor is mounted next to the indoor thermo-
stat or in the return air duct. Refer to the indoor air qual-
ity sensor installation instructions for proper adjustment.
Wiring for the indoor air quality switch is shown on the
temperature control section (C2) wiring diagram in back
of this manual.
when excessive condensate collects in the drain pan. The
-
and restart the unit (if the switch has closed). The Unit
Controller has a three-strike counter before the unit locks
switch to open three times per thermostat demand. If the
-
ter the switch has closed to restore unit operation.
N-Smoke Detectors A17 and A64
Photoelectric smoke detectors are a factory installed op-
tion. The smoke detectors can be installed in the supply
supply and return air section. Wiring for the smoke detec-
tors are shown on the temperature control section (C2)
wiring diagram in back of this manual.
O-Factory Installed-Hot Gas Reheat (optional)
General
-
eration. These units contain a reheat coil adjacent to and
downstream of the evaporator coil. Reheat coil solenoid
to the reheat coil. Return air pulled across the evaporator
P-Optional Cold Weather Kit (Canada only)
Electric heater is available to automatically control the
minimum temperature in the gas burner compartment.
The kit includes the following parts:
1 - A heater assembly is installed on the vestibule of
the heating compartment. Included in the box are
the following:
a.
b.
N.C. switch which opens on a temperature drop.
The switch is wired in series with 24v power
and the combustion air blower switch. When
switch opens and the gas heat section is de-
energized. The switch automatically resets when
the heating compartment temperature reaches
c.
N.C. switch which opens on a temperature rise.
opens and the electric heater is de-energized.
The switch automatically resets when the heating
C).
d. Thermostat switch (S61) is an auto-reset SPST
N.O. switch which closes on a temperature
switch closes and electric heater is energized.
The switch automatically opens when heating
2 -
must be installed in the control section.
3 - Wire harness is routed between the heat section
instructions provided with kit for wire connections.
To Next Page
Loading...
Need help?
General
