Lennox CBX40UHV Series Unit Information

Page 42
CBX40UHV
6. EvenHeater
®
Operation (continued)
Discharge air temperature is
within target range?
W call with one
Electric Heat
Section ON
More Electric Heat
available
A
Measured discharge air
temperature is above or below
target range?
Electric heat ON
S 150 seconds if more than one stage is activated or deactivated.
EVENHEAT Operation
Start Timer Delay
(Note 1)
Stop Delay Timer
Increase heat demand.
Y1 (with or without Y2) +
W1 and W2
Discharge air temperature sensor setting on
Air Handler Control will remain at set point. W1
demand will increase set point 15ºF. W2
demand will increase set point an additional
15ºF. (Total of 30ºF)
Delay Timer
Finished or last
change was up−
stage
Delay Timer
Finished or last
change was down−
stage
Above
Turn OFF One
Electric Heat Section
Adjust Target
Discharge Air
Temperature
Turn ON one Electric
Heat section
Adjust Target
Discharge Air
Temperature
NOTE − Optional Outdoor Thermostat (Wired
between R and W3) will lockout electric
elements 3, 4 and 5.
No
Note 1 Activation delay
S 120 seconds if one heat stage is activated or deactivated
No
No
No
Yes
Yes
Yes
Change in Heat
demand from room
thermostat?
Adjust Target Discharge
Air Temperature
Heat Pump OFF
Discharge air temperature sensor setting on
the Air Handler Control will remain at set point
on W1 demand and be increased 15ºF for W2
demand.
Heat Pump ON
Yes
Yes
No
No
Yes
Below
No
No
Yes
Figure 37. EvenHeater
®
Operation (continued)

Lennox CBX40UHV Series Specifications

General

Brand	Lennox
Model	CBX40UHV Series
Category	Air Handlers
Language	English