22
Table 3 – Wet Coil Pressure Drop (in. wc)
UNIT
SIZE
STANDARD CFM (SCFM)
600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100
24 0.005 0.007 0.010 0.012 0.015 – – – – – – – – – – –
30 – 0.007 0.010 0.012 0.015 0.018 0.021 0.024 – – – – – – – –
36 – – – 0.019 0.023 0.027 0.032 0.037 0.042 0.047 – – – – – –
42 – – – – 0.014 0.017 0.020 0.024 0.027 0.031 0.035 0.039 0.043 – – –
48 – – – – – – 0.027 0.032 0.036 0.041 0.046 0.052 0.057 0.063 0.068 –
60 – – – – – – – – – 0.029 0.032 0.036 0.040 0.045 0.049
0.053
Table 4 – Filter Pr essure Drop Table (in. wc)
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 — — — — — — — — — — —
24X30X1
(610x762x25)
— — — — 0.05 0.6 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 5 – Electric Heat Pressure Drop Table
Small Cabinet: 24 --30
CFM
500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600
5kw 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.04 0.06 0.07
7.2 kw 0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.03 0.05 0.07 0.08 0.09
10 kw 0.00 0.00 0.00 0.00 0.00 0.02 0.04 0.06 0.07 0.09 0.10 0.11
15 kw 0.00 0.00 0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16 0.18
Table 6 – Electric Heat Pressure Drop Table
Large Cabinet: 36--60
CFM
1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400 2500
5kw 0.00 0.00 0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10 0.11 0.12
7.2 kw 0.00 0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10 0.11 0.12 0.13
10 kw 0.00 0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10 0.11 0.12 0.13
15 kw 0.00 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10 0.11 0.12 0.13 0.14 0.15
20 kw 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10 0.11 0.12 0.13 0.14 0.15 0.16
MAINTENANCE
To ensure continuing high performance, and to minimize the
possibility of premature equipment failure, periodic maintenance
must be performed on this equipment. This packaged air
conditioner unit should be inspected at least once each year by a
qualified service person. To troubleshoot unit, refer to Table 7,
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 possible 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 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 equipment
damage or 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.
2. Inspect indoor coil, drain pan, and condensate drain each
cooling season for cleanliness. Clean when necessary.
3. Inspect blower motor and wheel for cleanliness each
cooling season. Clean when necessary.
4. Check electrical connections for tightness and controls for
proper operation each cooling season. Service when
necessary.
50XT--A
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