Unit Components - Lennox CBX32MV-018/024 Manual

Unit Components

ELECTRIC HEAT RELAY
PART NO. 49W91
22V DIRECT CURRENT COIL
30 AMP CONTACT
RATING
DETAIL B
NOTE — EVENHEAT MODE CANNOT BE ENABLED WITH
HARMONY III DUE TO EACH CONTROL REQUIRING ITS OWN
DISCHARGE AIR SENSOR.
CBX32MV
(CENTER SIDE-T0 -SIDE)
19 IN.
(483 MM)
9-PIN
CONNECTOR
9-PIN CONNECTOR
Figure 26. Component Connections
5-1/2 IN.
(140 MM)
SENSOR
AIR
HANDLER
CONTROL
SECURING AIR HANDLER CONTROL
L-BRACKET MOUNTING PLATE
SCREWS
CBX32MV AIR HANDLER CONTROL
PART NO. 50W28
CONNECT WIRES TO DISCHARGE AIR SENSOR
TERMINAL ON AIR HANDLER CONTROL.
Page 60
DETAIL A
THE AIR HANDLER CONTROL HAS TWO
SCREW TERMINALS MARKED
DISCHARGE AIR SENSOR. THE SENSOR
IS REQUIRED FOR EVENHEAT
OPERATION, IS FIELD-INSTALLED AND
MUST BE ORDERED SEPARATELY
(CATALOG # 88K38).
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.