Carrier PREFERRED 577E A Series Installation Instructions Manual page 32

GAS
HEAT HIGH
QC6 QC7
K2
RL3 C8 R1L
RI0
C9
C4
OILL C2 D6 D4
A7
R9 AB A15
D5 D3
C7
R3 R5 R6
R2
P2
QCB
JW7
Y
Y R U
JW1
SSTZ-8
W2 Y2/
Fig. 21 - - Interface Fan Board (IFB) 460 VAC Models
Table 12 – Subcooling Charging Chart
LOW COM
QC4 QC3
K1
DCR QCR
C
Q1
D2
QC1
JM6
Q3
RI2
RI DL
JM5
G1
G2
F1
C0
U1
R4 RL4
C3
JW3
JW2
JW4
C 24VAC
P1
Y1/
DH G C R
Y
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