Lennox CBX40UHV Series Unit Information page 10

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ELECTRIC HEAT RELAY
PART NO. 49W91
(483 MM)
22V DIRECT CURRENT COIL
30 AMP CONTACT
RATING
9−PIN CONNECTOR
DETAIL B
NOTE − EVENHEATER MODE CANNOT BE ENABLED WITH HARMONY III
DUE TO EACH CONTROL REQUIRING ITS OWN DISCHARGE AIR SENSOR.
SENSOR
(CENTER SIDE−T0 −SIDE)
19 IN.
9−PIN
CONNECTOR
T
Figure 4. CBX40UHV−XXX−230−6−01
5−1/2 IN.
(140 MM)
AIR HANDLER
CONTROL
SECURING
AIR HANDLER CONTROL
SCREWS
L−BRACKET MOUNTING PLATE
CBX40UHV AIR HANDLER CONTROL
PART NO. 43W19
CONNECT WIRES TO DISCHARGE AIR SENSOR
TERMINAL ON AIR HANDLER CONTROL.
Page 10
DETAIL A
THE AIR HANDLER CONTROL (AHC) HAS TWO
SCREW TERMINALS MARKED DISCHARGE AIR
SENSOR. THE SENSOR IS REQUIRED FOR
®
EVENHEATER
OPERATION, IS FIELD
MOUNTED AND MUST BE ORDERED
SEPARATELY (CATALOG # 88K38).
OPTIONAL DISCHARGE
SENSOR (DAT)
TEMPERATURE RESISTANCE
CHART
TEMP RESISTANCE
ºF
(OHMS)
30
34,566
40
26,106
50
19,904
60
15,313
70
11,884
80
9,298
90
7,332
100
5,826
FASTEN THE PROBE
PLENUM
BRACKET TO THE
PLENUM WITH TWO
SELF−TAPPING SHEET
METAL SCREWS.
CBX40UHV

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