Bryant 677C--A, Installation Instructions Manual

Page: 18 / 36

18
COM LOW HIGH
GAS
HEAT
Q1 R1L C8 RL3
Q3
DCR QCR
QC1
G1
G2
A7
D4 D6 C2 OILL
R9 AB A15
C4
C9
C0
R4 RL4
C7
R2
R3 R5 R6
QCB
Y
Y R U C 24VAC
JW1
P2
P1
W2
Y2/ Y1/
Y DH
G C R
SSTZ-8
P3
SDL
24V
AC/R
CDM/C
F1
QC6 QC7 QC4 QC3
K2 K1
D2
RI0
RI2
JM6
RI DL
JM5
U1
C3
D3 D5
JW3
JW2
JW4
JW7
3 AMP
C
A09058
Fig. 14 -- Interface Fan Board (IFB)
Table 7 – Filter Pressure Drop Table (IN. W.C.)
FILTER SIZE
in. (mm)
CFM
500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
20X20X1
(508X508X25)
0.05 0.07 0.08 0.1 0.12 0.13 0.14 0.15 — — — — — — — — — — —
20X24X1
(508X610x25 )
— — — — 0.09 0.10 0.11 0.13 0.14 0.15 0.16 — — — — — — — —
24X30X1
(610X762x25)
— — — 0.04 0.05 0.06 0.07 0.07 0.08 0.09 0.1 — — — — — — — —
24X36X1
(610X914X25)
— — — — — — — 0.06 0.07 0.07 0.08 0.09 0.09 0.10 0.11 0.12 0.13 0.14 0.14
Table 8 – 677C----A Wet Coil Pressure Drop
Unit Size
Standard CFM (S.C.F.M)
500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000
24 0.06 0.07 0.08 0.09 0.1
30 0.12 0.15 0.19 0.23 0.27
36 0.07 0.11 0.18 0.26 0.35
42 0.04 0.07 0.1 0.15 0.21
48 0.11 0.14 0.17 0.22 0.28
60 0.1 0.17 0.23 0.31 0.36
Table 9 – Wet Coil Air Delivery - Downflow -- High Speed with 1--in. Filter and Economizer
UNIT SIZE
EXTERNAL STATIC PRESSURE (in. W.C.)
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
36, 42 1612 1569 1527 1481 1451 1393 1351 1317 1278 1242
48 2298 2239 2180 2110 2044 1951 1862 1777 1697 1591
60 2000 1926 1825 1820 1759 1705 1634 1496 1412 1328
677C
--
--
A