Emerson 543-0033-02 - Page 7

Figure 7: Air Conditioning Schematic 543-0010-01, 943-0010-01
6
Figure 8: Heat Pump Schematic 543-0012-00, 943-0012-00
Solid Line shows field
Dashed line shows thermostat
Comfort Alert
LPCO HTCO
HPCO
Indoor Unit
HTCO High Temperat ure Cut Out Sw itch
HPCO High Pressure Cutout Switch
LPCO Low Pressure Cut Out Switch
Schematic Abbreviation Description
CC Compressor Cont actor
Single Stage Indoor Thermostat
inst alled wiring.
demand wiring in system without
HTCO, LPCO and Defrost.
Diagnostics Module
543-0012-00
Terminal Block
Y
R
C
CRY1
CRY1
ECB
ECB El ectron ic Con trol Board
( Defrost Board )
WARNING
Hazardous voltage inside air conditioning system. Discon-
nect power before installing or servicing module. Module
must be installed and serviced only by qualified personnel.
Solid Line shows field
Dashed line shows thermostat
Comfort Alert
LPCO HTCO
HPCO
Indoor Unit
HTCO High Temperature Cut Out Switch
HPCO High Pressure Cutout Switch
LPCO Low Pressure Cut Out Switch
Schematic Abbreviation Description
CC Compresso r Cont acto r
Single Stage Indoor Thermostat
inst alled wiring.
demand wiring in system without
HTCO, LPCO.
Diagnostics Module
543-0010-00
Terminal Block
Y
C
C R Y1
C R Y1