Ecm Blower Control - Carrier 50YDV Installation, Operation And Maintenance Instructions

Table 5: ECM Board Tap Settings
Figure 26a: ECM Version II Interface Layout
1/4" Spade
Connections
to CXM or
DXM Board
G G G
Thermostat
Connections
G
Dehumidification
LED
Fan Speed Selection DIP Switch
Figure 26c: ECM Version III Interface Layout
R e s i d e n t i a l P a c k a g e d U n i t s - 6 0 H z P u r o n
Thermostat
Input LEDs
G R
CFM Counter
1 flash per 100 CFM
Y
ECM Motor
Low Voltage
Connector

ECM Blower Control

Figure 26b: ECM Version I Interface Layout
A L
G Y1 Y2 O W1 EM C
LED's
Thermostat
CFM
Connections
Fan Speed Selection Jumpers
®
R e v. : 4 J a n . , 2 0 1 2
1/4" Spade
Connections
to CXM or
DXM Board
Thermostat
R
Input LEDs
CFM Counter
1 flash per 100CF
ECM Motor
J01
Low Voltage
Connector
Dehumidification
LED
25