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Manual 2100-516H
Page 9 of 19
FIGURE 5
HEAT PUMP WITH OPTIONAL EIFM ECONOMIZER
“E” VENT OPTION
Unit
CRB
YE
Y1
W2
W1
O1DH
Terminal Block
L
W3
G
Y2 Y1
Pink
Thermostat
Orange
Yellow
C
Black
24V Low Voltage
L
Purple
YO/D
Y1
1
Factory Jumper Installed.
2
be active as first stage cooling.
Must be configured for economizer with YO/D output to
These wires are used in special control applications only.
EF
Black
2 Stage Heat
Blue
3
1
Wiring Harness
Economizer
1
Bard part #8403-060
G
R O/B
2 Stage Cool
Low Voltage Wiring Diagram
Figure 5
Heat Pump with Optional Economizer
W1/E
W2
3
2
A
MIS-2648 C