Maintenance - Carrier Infinity 50XT-A Installation Instructions Manual

UNIT
SIZE
600 700 800
24 0.005 0.007 0.010
30 – 0.007 0.010
36 – – –
42 – – –
48 – – –
60 – – –
FILTER SIZE
in. (mm)
500 600 700
20X20X1
0.05 0.07 0.08
(508x508x25)
24X30X1
— — —
(610x762x25)
24X36X1
— — —
(610x914x25)
500
5 kw 0.00 0.00
7.2 kw 0.00 0.00
10 kw 0.00 0.00
15 kw
0.00 0.00
1100 1200
5kw 0.00 0.00
7.2 kw 0.00 0.00
10 kw 0.00 0.00
15 kw 0.00 0.02
20 kw 0.02 0.03

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.
WARNING
!
PERSONAL INJURY
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.
Table 3 – Wet Coil Pressure Drop (in. wc)
900 1000 1100 1200
0.012 0.015 –
0.012 0.015 0.018 0.021
0.019 0.023 0.027 0.032
– 0.014 0.017 0.020
– – – 0.027
– – –
Table 4 – Filter Pressure Drop Table (in. wc)
800 900 1000 1100 1200
0.1 0.12 0.13 0.14 0.15
— 0.05 0.6 0.07 0.07
— — — — 0.06
Table 5 – Electric Heat Pressure Drop Table
Small Cabinet: 24- -30
600 700 800 900
0.00 0.00 0.00
0.00 0.00 0.00
0.00 0.00 0.00
0.00 0.02 0.04
Table 6 – Electric Heat Pressure Drop Table
Large Cabinet: 36- -60
1300 1400 1500 1600
0.00 0.01 0.02 0.03
0.01 0.02 0.03 0.04
0.01 0.02 0.03 0.04
0.03 0.04 0.05 0.06
0.04 0.05 0.06 0.07
AND UNIT DAMAGE
STANDARD CFM (SCFM)
1300 1400 1500
– – – –
0.024 – –
0.037 0.042 0.047
0.024 0.027 0.031
0.032 0.036 0.041
– – – 0.029
CFM
1300 1400 1500 1600
— — — —
0.08 0.09 0.1 —
0.07 0.07 0.08 0.09
CFM
1000 1100 1200
0.00 0.00 0.00
0.00 0.02 0.03
0.02 0.04 0.06
0.06 0.08 0.10
CFM
1700 1800 1900 2000
0.04 0.05 0.06 0.07
0.05 0.06 0.07 0.08
0.05 0.06 0.07 0.08
0.07 0.08 0.09 0.10
0.08 0.09 0.10 0.11
!
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.
!
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.
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.
22
1600 1700 1800 1900
– – – –
– – – –
– – – –
0.035 0.039 0.043 –
0.046 0.052 0.057 0.063
0.032 0.036 0.040 0.045
1700 1800 1900 2000 2100
— — — — —
— — — — —
0.09 0.10 0.11 0.12 0.13
1300 1400 1500
0.02 0.04 0.06
0.05 0.07 0.08
0.07 0.09 0.10
0.12 0.14 0.16
2100 2200 2300 2400
0.08 0.09 0.10 0.11
0.09 0.10 0.11 0.12
0.09 0.10 0.11 0.12
0.11 0.12 0.13 0.14
0.12 0.13 0.14 0.15
WARNING
CAUTION
2000 2100
– –
– –
– –
– –
0.068 –
0.049 0.053
2200 2300
— —
— —
0.14 0.14
1600
0.07
0.09
0.11
0.18
2500
0.12
0.13
0.13
0.15
0.16