Carrier 50TCQD14 Installation Instructions Manual page 8

Table 2 – Heating Mode (each circuit)
Component
Reversing Valve
Check Valve A
Check Valve B
Check Valve C
Check Valve D
LPS/LOC
Filter
Drier
2B
1B
DFT 1
Acutrol
1A
DFT 2
2A
Outdoor Coil
Status/Position
De--- energized
Open
Closed
Open
Closed
Cooling Liquid Lines
Reversing
HPS
Comp 2
Heating Mode Liquid Lines
Fig. 4 - - Typical Unit Piping Schematic
o
Fig. 5 - - CoreMax* Access Port Assembly
Table 3 – Defrost Mode
Component
Defrost Thermostat
Outdoor Fan(s)
Reversing Valve
Check Valve A
Check Valve B
Check Valve C
Check Valve D
Valve
Reversing
Valve
HPS
Comp 1
2C
1C
* CoreMax is a registered trademark of Fastest, Inc.
8
Status/Position
Closed
Off
Energized
Closed
Open
Closed
Open
Acutrol
2D
1D
Indoor Coil
Strainer
o
C160139
C08453