Lennox CBX40UHV Series Unit Information page 42

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

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