27
Table 9 — Dry Coil Air Delivery* -- Horizontal and Downflow Discharge --
Unit 577C018--060 (Cont)
UNIT
HEATING
RISE
RANGE
MOTOR
SPEED
WIRE
COLOR
EXTERNAL STATIC PRESSURE (”WC)
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
577C060130
35 --- 65
o
F
( 1 9 --- 3 6
o
C)
Low Blue
CFM 1448 1321 1282 1235 1192 1145 1101 1057 1011
Heating Rise
(
o
F)
NA NA NA NA NA NA NA NA NA
Heating Rise
(
o
C)
NA NA NA NA NA NA NA NA NA
M e d ---
Low
Pink
CFM 1722 1675 1614 1543 1499 1442 1408 1356 1308
Heating Rise
(
o
F)
56 57 60 62 64 NA NA NA NA
Heating Rise
(
o
C)
31 32 33 35 36 NA NA NA NA
Medium
2
Red
CFM 1887 1847 1783 1726 1677 1625 1578 1527 1432
Heating Rise
(
o
F)
51 52 54 56 57 59 61 63 NA
Heating Rise
(
o
C)
28 29 30 31 32 33 34 35 NA
M e d ---
High
1
Orange
CFM 2055 2008 1958 1927 1900 1768 1685 1581 1458
Heating Rise
(
o
F)
47 48 49 50 51 54 57 61 NA
Heating Rise
(
o
C)
26 27 27 28 28 30 32 34 NA
High Black
CFM 2292 2238 2158 2049 1935 1840 1732 1635 1513
Heating Rise
(
o
F)
42 43 45 47 50 52 56 59 64
Heating Rise
(
o
C)
23 24 25 26 28 29 31 33 35
* Air delivery va lues are without air filter and are for dry coil ( S ee Table 10 --- 577C Wet Coil Pressure Drop table).
1
Factory ---shipped heating speed
2
Factory ---shipped cooling speed
NA --- Not all owed for heating speed
Note: Deduct field ---supplied air filter pressure drop and wet coil pressure drop to obtain external static pressure available for ducting.
Table 10 – 577C 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
018 0.02 0.035 0.05 0.065
024 0.06 0.07 0.08 0.09 0.1
030 0.12 0.15 0.19 0.23 0.27
036 0.07 0.11 0.18 0.26 0.35
042 0.04 0.07 0.1 0.15 0.21
048 0.11 0.14 0.17 0.22 0.28
060 0.1 0.17 0.23 0.31 0.36
MAINTENANCE
To ensure continuing high performance and to minimize the
possibility of premature equipment failure, periodic maintenance
must be performed on this equipment. This unit should be
inspected at least once each year by a qualified service person. To
troubleshoot unit, refer to Table 11, Troubleshooting Chart.
NOTE TO EQUIPMENT OWNER: Consult your local dealer
about the availability of a maintenance contract.
PERSONAL INJURY AND UNIT DAMAGE
HAZARD
Failure to follow this warning could result in personal
injury or death and unit component damage.
The ability to properly perform maintenance on this
equipment requires certain expertise, mechanical skills,
tools and equipment. If you do not possess these, do not
attempt to perform any maintenance on this equipment,
other than those procedures recommended in the Owner’s
Manual.
!
WARNING
ELECTRICAL SHOCK HAZARD
Failure to follow these warnings could result in personal
injury or death:
1. Turn off electrical power to the unit and install lock out
tag before performing any maintenance or service on this
unit.
2. Use extreme caution when removing panels and parts.
3. Never place anything combustible either on or in contact
with the unit.
!
WARNING
UNIT OPERATION HAZARD
Failure to follow this caution may result in improper
operation.
Errors made when reconnecting wires may cause improper
and dangerous operation. Label all wires prior to
disconnecting when servicing.
CAUTION
!
The minimum maintenance requirements for this equipment are as
follows:
1. Inspect air filter(s) each month. Clean or replace when
necessary.
577C
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