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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53500210-01
Printed in U.S.A.
Form 50HCQ-4-6-01SI
Pg 46
12-18
Replaces: 50HCQ-01SI
© Carrier Corporation 2018
Fig. 56 — Typical Unit Piping Schematic (with TXV valves on Indoor Coils)
B
Ac
u
trol
DFT 1
Cooling Liq
u
id Line
A
D
O
u
tdoor Coil
Indoor Coil
C
He
a
ting Mode Liq
u
id Line
S
tr
a
iner
Filter
Drier
LP
S
/LOC
Acc
u
r
a
ter
(
a
ll
3
, 4,
a
nd
5 ton
u
nit
s
)
Acc
u
r
a
ter
(
3
a
nd 4 ton
u
nit
s
only)
Ac
u
trol
COMPRE
SS
OR
ACCUMULATOR
HP
S
Table 17 — Cooling Mode (each circuit)
COMPONENT
STATUS/POSITION
Reversing Valve
Energized
Check Valve A
Closed
Check Valve B
Open
Check Valve C
Closed
Check Valve D
Open
Table 18 — Heating Mode (each circuit)
COMPONENT
STATUS/POSITION
Reversing Valve
De-energized
Check Valve A
Open
Check Valve B
Closed
Check Valve C
Open
Check Valve D
Closed
Table 19 — Defrost Mode
A04-A06 Circuit 2
COMPONENT
STATUS/POSITION
Defrost Thermostat
Closed
Outdoor Fan(s)
Off
Reversing Valve
Energized
Check Valve A
Closed
Check Valve B
Open
Check Valve C
Closed
Check Valve D
Open
Summary of Contents for 50HCQA04-06
Page 22: ...22 Fig 36 Electro Mechanical Control Wiring 208 230v 460v ...
Page 23: ...23 Fig 37 Electro Mechanical Control Wiring 575v ...
Page 24: ...24 Fig 38 Electro Mechanical Power Wiring 208 230 1 60 ...
Page 25: ...25 Fig 39 Electro Mechanical Power Wiring 208 230 3 60 ...
Page 26: ...26 Fig 40 Electro Mechanical Power Wiring 460 3 60 ...
Page 27: ...27 Fig 41 Electro Mechanical Power Wiring 575 3 60 ...
Page 28: ...28 Fig 42 PremierLink Wiring Schematic 208 230 460v ...
Page 29: ...29 Fig 43 PremierLink Wiring Schematic 575v ...