Carrier WeatherMaster 50HCQ 04 Series Installation Instructions Manual page 46

DFT 1
Acutrol
Outdoor Coil
Fig. 61 — Typical Unit Piping Schematic (with TXV valves on Indoor Coils)
Table 16 — Cooling Mode (each circuit)
COMPONENT
Reversing Valve
Check Valve A
Check Valve B
Check Valve C
Check Valve D
Table 17 — Heating Mode (each circuit)
COMPONENT
Reversing Valve
Check Valve A
Check Valve B
Check Valve C
Check Valve D
© 2019 Carrier Corporation
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53500242-01
Filter LPS/LOC
Drier
B
Check Valve
A
Accurater
(3 and 4 ton units only)
STATUS/POSITION
Energized
Closed
Open
Closed
Open
STATUS/POSITION
De-energized
Open
Closed
Open
Closed
Printed in U.S.A.
Cooling Liquid Line
D
HPS
C Strainer
Heating Mode Liquid Line
A04-A06 Circuit 2
COMPONENT
Defrost Thermostat
Outdoor Fan(s)
Reversing Valve
Check Valve A
Check Valve B
Check Valve C
Check Valve D
Form 50HCQ-4-6-02SI Pg 46
Acutrol
Indoor Coil
* Schematic shown in Heating Mode.
Table 18 — Defrost Mode
STATUS/POSITION
12-19 Replaces: 50HCQ-4-6-01SI
Accurater
(all 3, 4, and
5 ton units)
Closed
Off
Energized
Closed
Open
Closed
Open