Carrier 50EZ-A30 - Page 19

19
COMPRESSOR
ACCUMULATOR
OUTDOOR COIL
INDOOR COIL
LCS
LEGEND
HPS – High Pressure Switch
LCS – Loss of Charge Switch
Accurater
®
Metering De vice
Arrow indicates direction of flo w
TXV in Metering
Position
Bypass
Position
HP S
C03011
Fig. 13 -- Typical Heat Pump Operation, Cooling Mode
HIGH LOW COM
QC5
QC4
QC3
KZ
KL
07 09 080L0
ALO
R13 C8 R11 Q1
Q3
D2
AL2
DCR QCR
QC1
C
RL
01
G1
G2
Z1
A7 R9 AB A15
C4
C9
C0
QIL Z2 06 04
U1
C3
R4 RL4
JWZ
C7
D5 D3
R3 R5 R6
R2
JW5
QCB
Y
R W2 Y C W3W3W2 W2C
JW4
P2 JW3
P4
P1
W2W3
Y2 Y1
YDH
GCR
SSTZ-8
P3
SDL
24VAC/R3AMP CDM/C
F1
STD DEHUM
A09059
Fig. 14 -- Interface Fan Board (IFB)
COMPRESSOR
ACCUMULATOR
OUTDOOR COIL
INDOOR COIL
LCS
LEGEND
HPS – High Pressure Switch
LCS – Loss of Charge Switch
Accurater
®
Metering De vice
Arrow indicates direction of flo w
Position
HP S
TXV in Bypass
Metering
Position
C03012
Fig. 15 -- Typical Heat Pump Operation, Heating Mode
50EZ--A