Lennox PRODIGY2.0 User Manual

84
HUMAI1
D01
TMP
D02
DI1
DI4
DI2
DI3
24VAC
THERMOSTAT
R C
W1
G W2 Y2Y1
OUTPUTS
SENSOR
SENSOR
24VAC
R
C
IAQ
INPUTS
SMOKE
24VAC
RRC R
C
HUMIDISTAT
G
OCP
O
L
1
SEE AFTERMARKET CONTROLLER INSTALLATION
INSTRUCTIONS FOR WIRING INFORMATION.
2
FOR HUMIDITROL OR SUPERMARKET REHEAT OPTION.
1
AFTERMARKET
RTU CONTROLLER
RH SENSOR
24VAC
COMMON
VENTILATION DEMAND
HEATING DEMAND ONE
HEATING DEMAND TWO
COOLING DEMAND ONE
COOLING DEMAND TWO
OCCUPIED DEMAND
Figure 28. Constant Air Volume Unit In Single-Zone Application
AI1
D01
HUM
TMP
D02
DI1
DI2 DI3
DI4
SENSOR
IAQ
Y2
THERMOSTAT
24VAC
C
RW1W2Y1GRC
24VAC
HUMIDISTAT
OUTPUTSSENSOR INPUTS
24VAC
R C
SMOKE
R R
C
G
OCP
O
L
1
AFTERMARKET
RTU CONTROL
LER
1
SEE AFTERMARKET CONTROLLER INSTALLATION
INSTRUCTIONS FOR WIRING INFORMATION.
24VAC
COMMON
VENTILATION DEMAND
HEATING DEMAND ONE
HEATING DEMAND TWO
COOLING DEMAND ONE
COOLING DEMAND TWO
OCCUPIED DEMAND
1
BYPASS
DAMPER
1
SUPPLY STATIC
PRESSURE
SENSOR
Figure 29. Constant Air Volume Unit in Bypass Zoning Application
When in thermostat mode and configured for discharge air temperature control, the M3 unit controller can provide up to
four stages of mechanical heating and cooling operation. Variable air volume units using a variable frequency drive on the
supply fan and operating in a zoning application must use this control mode. Although not as common, constant volume
units in either single-zone or bypass zoning applications may also use this control mode. To operate correctly, a Lennox or
third-party thermostat or unit control must provide the following wiring connections to the M3 unit controller:
1. Ventilation demand
2. Occupied demand
3. Heating demand
4. Cooling demand
In this control mode the M3 unit controller will control all cooling and heating staging to maintain the discharge air
temperature set points set in the M3 unit controller (typically 55°F for cooling and 110°F for heating). A third-party unit
control, or a thermostat can provide these inputs to the M3 unit controller. For example, if the unit control passes along a
demand for cooling then the M3 unit controller will activate the refrigeration system and increase or decrease cooling
stages to maintain the discharge supply air temperature set point. Along with providing control of the rooftop unit, the M3
unit controller will also provide error codes and diagnostic information.

Lennox PRODIGY2.0 Specifications

General

Brand	Lennox
Model	PRODIGY2.0
Category	Controller
Language	English