Carrier 50EW Air Conditioner User Manual


 
Table 16 Motor Limitations
STANDARD EFFICIENCY MOTORS
Nominal
Hp
Maximum
Bhp
Maximum Amps
Maximum
Watts
Motor
Efficiency
208 230 460 575
5
5.9 17.94 16.99 5,348 82.3
5.9 8.50 5.78 5,240 84.0
7.5
8.7 25.52 24.36 7,717 84.1
9.5 13.30 9.63 8,549 82.9
10
10.2 26.93 25.50 8,879 85.7
11.8 14.75 11.33 10,284 85.6
15
15.3 42.84 40.80 13,686 83.4
18.0 24.00 18.00 15,891 84.5
20
22.4 59.36 56.00 19,032 87.8
23.4 29.25 22.82 19,950 87.5
25
28.9 76.30 72.83 24,499 88.0
29.4 37.04 28.69 25,181 87.1
30
35.6 92.56 87.81 29,378 90.4
34.7 42.80 n/a 29,316 88.3
HIGH EFFICIENCY MOTORS
Nominal
Hp
Maximum
Bhp
Maximum Amps
Maximum
Watts
Motor
Efficiency
208 230 460 575
5
5.9 16.76 13.92 5,030 87.5
5.9 6.96 5,030 87.5
5.9 5.66 4,918 89.5
7.5
8.7 26.10 22.27 7,334 88.5
9.5 12.16 8,008 88.5
9.5 9.50 7,728 91.7
10
10.2 28.56 24.89 8,502 89.5
11.8 14.40 9,836 89.5
11.8 11.68 9,600 91.0
15
15.3 45.08 39.17 12,543 91.0
18.0 23.04 14,756 91.0
18.0 18.12 14,439 93.0
20
22.4 63.84 55.55 18,363 91.0
23.4 29.02 19,183 91.0
23.4 23.17 18,650 93.6
25
28.9 80.69 70.05 23,511 91.7
29.4 35.63 23,918 91.7
29.4 28.81 23,432 93.6
30
35.6 102.65 89.00 28,742 92.4
34.7 43.38 28,015 92.4
34.7 33.89 27,656 93.6
LEGEND
BHP Brake Horsepower
NOTE: Extensive motor and electrical testing on the Carrier units has ensured
that the full horsepower range of the motor can be utilized with confidence.
Using your fan motors up to the horsepower ratings shown on the Motor Limi-
tations table will not result in nuisance tripping orpremature motor failure. Unit
warranty will not be affected.
Table 17 User Defined Set Points
SET POINT FORMAT DESCRIPTION LIMITS DEFAULT
OHSP xx.xF Occupied Heat Set Point 55 to 80 F 68
OCSP xx.xF Occupied Cool Set Point 55 to 80 F 78
UHSP xx.xF Unoccupied Heat Set Point 40 to 80 F 55
UCSP xx.xF Unoccupied Cool Set Point 75 to 95 F 90
SASP xx.xF Supply Air Set Point 45 to 70 F 55
OATL xx.xF Hi OAT Lockout Temperature 55 to 75 F 65
NTLO xx.xF Unoccupied OAT Lockout Temperature 40 to 70 F 50
RTIO xx.x Reset Ratio 0 to 10 3
LIMT xx.x^F Reset Limit 0 to 20 F 10
MDP xxx% Minimum Damper Position 0 to 100% 20
IAQS xxxx IAQ Set Point 1 to 5000 650
UHDB xx.x^F Unoccupied Heating Deadband 0 to 10 1
UCDB xx.x^F Unoccupied Cooling Deadband 0 to 10 1
LTMP xx.xF Low Temp. Min. Position 0 to 100 10
HTMP xx.xF High Temp. Min. Position 0 to 100 35
PES1 xx.xF CV Power Exhaust Stage 1 Point 0 to 100 25
PES2 xx.xF CV Power Exhaust Stage 2 Point 0 to 100 75
LEGEND
CV Constant Volume
IAQ Indoor Air Quality
OAT Outdoor Air Temperature
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