Manual 2100-618
Page
16 of 21
FIGURE 10
LOW VOLTAGE WIRING
1-STAGE A/C WITH OPTIONAL ELECTRIC HEAT
WITH ECONWM
STYLE ECONOMIZER
PUR
PLE
BL
UE
YE
LLOW
/R
ED
BLA
CK
RED
YE
LLOW
PI
NK
BROWN/WHITE
is 10V (100%). Depending upon application may require setting to lower value.
W2
5
Y2
C
G
R
1
2
Y
Wiring Harness
24V TERMINALS
W1
(TH5220D1151)
E
A
O/B
3
A/C UNIT
Change model configuration from heat pump to heat/cool, and must be configured for
W2
Factory Jumper Installed.
Must be energized to enable minimum position. NOTE: Economizer Control Default Setting
Economizer
part #8403-060
R
G
C
Low Voltage Wiring Diagram
F
economizer for YO/D output to be active as first stage cooling.
Y1
YO/D
C
Y2
to 6 (2 heat/ 2 cool conventional).
2
5
W1/E
R RC
L
2
Y
Y2
Thermostat
Change "system type", set up function 1, from 5 (2 heat/ 1 cool heat pump)
G
W2
3
A
4
4
W
8403-058
3
2
Y1
MIS-3593
