Table 5 - Cooling Charging Chart
SUCTION LINETEMPERATURE(°F)
Suction Line Pressure(PSIG)
ODTemp. 52 54 56 59 61 64 67 70 73 76 79 82 85 89 92
(°F)
45 51 55 60 64 69 ..........
55 -- -- 53 57 62 66 70 ........
65 .... 53 57 62 66 71 75 .....
75 ....... 56 61 66 71 76 -- -- --
85 ........ 53 58 63 67 72 -- --
95 ......... 50 54 58 62 66 --
105 .......... 50 53 57 60 64
115 .......... 49 52 55 58 61
125 ........... 50 53 56 59
SUCTION LINE TEMPERATURE(°C)
Suction Line Pressure(kPa)
ODTemp. 361 370 387 405 423 442 462 482 502 523 544 566 589 612 636
(oc)
7 11 13 15 18 21 ..........
13 -- -- 12 14 16 19 21 ........
18 .... 12 14 17 19 21 24 .....
24 ....... 13 16 19 22 24 -- -- --
29 ........ 12 14 17 20 22 -- --
35 ......... 10 12 14 17 19 --
41 .......... 10 12 14 16 18
46 .......... 9 11 13 14 16
52 ........... 10 11 13 15
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 Troubleshooting Chart in back of book.
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
iniury 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.
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.
5. Ensure electric wires are not in contact with refrigerant
tubing or sharp metal edges.
ELECTRICAL SHOCK HAZARD
Failure to follow these warnings could result in personal
iniury or death:
1, Turn off electrical power to the unit 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.
Step 1 -- Air Filter
IMPORTANT: Never operate the unit without a suitable air filter
in the return-air duct system. Always replace the filter with the
same dimensional size and type as originally installed. See Table 1
for recommended filter sizes.
Inspect air filter(s) at least once each month and replace
(throwaway-type) or clean (cleanable-type) at least twice during
each cooling season and twice during the heating season, or
whenever the filter becomes clogged with dust and lint.
Step 2 -- Unit Top Removal
NOTE: When performing maintenance or service procedures that
require removal of the unit top, be sure to perform all of the routine
maintenance procedures that require top removal, including coil
inspection and cleaning, and condensate drain pan inspection and
cleaning.
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal
iniury or death.
Disconnect and tag electrical power to the unit before
removing top.
17
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