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CBX40UHV
SENSOR
(CENTER SIDE-T0 -SIDE)
9-PIN
CONNECTOR
SECURING
SCREWS
AIR HANDLER
CONTROL
AIR HANDLER CONTROL
L-BRACKET MOUNTING PLATE
19 IN.
(483 MM)
5-1/2 IN.
(140 MM)
9-PIN CONNECTOR
ELECTRIC HEAT RELAY
PART NO. 49W91
22V DIRECT CURRENT COIL
30 AMP CONTACT
RATING
FASTEN THE PROBE
BRACKET TO THE
PLENUM WITH TWO
SELF-TAPPING SHEET
METAL SCREWS.
CONNECT WIRES TO DISCHARGE AIR SENSOR
TERMINAL ON AIR HANDLER CONTROL.
PLENUM
CBX40UHV AIR HANDLER CONTROL
PART NO. 43W19
OPTIONAL DISCHARGE
SENSOR (DAT)
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
DETAIL A
NOTE - EVENHEATER MODE CANNOT BE ENABLED WITH HARMONY III
T
DUE TO EACH CONTROL REQUIRING ITS OWN DISCHARGE AIR SENSOR.
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).
DETAIL B
TEMPERATURE RESISTANCE
CHART
SEE TABLE 6 - STAGES
FOR FUNCTION OF
EACH PIN POSITION.
Figure 4. CBX40UHV-XXX-230-6-01
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