Carrier 50KQL-1PD User Manual
18
50KQL12 — NOMINAL AIRFLOW 350 CFM
LEGEND
*ARI 320 points (bold printing) are shown for comparison purposes
only. These are not certified data points.
NOTES:
1. MOPD = Maximum Operating Pressure Differential (water pres-
sure differential at unit cannot exceed MOPD or water valve can-
not close)
not close)
2. Interpolation is permissible, extrapolation is not.
3. All entering air conditions are 80 F db and 67 F wb in cooling and
3. All entering air conditions are 80 F db and 67 F wb in cooling and
70 F db in heating.
4. All performance data is based upon the lower voltage of dual volt-
age rated units. See Performance Correction Tables on page 21
for operating conditions other than those listed above.
for operating conditions other than those listed above.
5. ARI/ISO 13256-1 (WLHP application) certified conditions are 86 F
EWT, 80.6 db and 66.2 F wb in cooling and 68 F EWT, 68 F db and
59 F wb in heating.
59 F wb in heating.
EWT
(F)
GPM
WATER PRESSURE DROP (ft wg)
COOLING — EAT 80 F DB/67 F WB
HEATING — EAT 70 F
Without Motorized
Valve
With Cv = 2.9
MOPD = 125 psi
TC
SC
SHR
Input
Power
THR
TC
Input
Power
THA
20
1.6
2.1
6.5
Operation not recommended
Operation not recommended
2.3
3.8
11.4
3.1
6.1
19.6
8.7
0.78
6.0
30
1.6
1.8
6.5
14.8
9.8
0.66
0.60
16.8
9.4
0.81
6.6
2.3
3.3
11.4
14.9
9.9
0.66
0.55
16.8
9.7
0.83
6.9
3.1
5.3
19.6
15.0
9.9
0.66
0.53
16.8
9.9
0.83
7.1
40
1.6
1.6
6.5
14.4
9.6
0.67
0.68
16.7
10.6
0.86
7.7
2.3
3.1
11.4
14.7
9.7
0.66
0.62
16.8
11.0
0.87
8.0
3.1
4.8
19.6
14.8
9.8
0.66
0.59
16.8
11.2
0.88
8.3
50
1.6
1.6
6.5
14.0
9.5
0.68
0.76
16.6
11.8
0.89
8.8
2.3
2.9
11.4
14.3
9.6
0.67
0.70
16.7
12.3
0.91
9.2
3.1
4.5
19.6
14.5
9.6
0.67
0.67
16.7
12.6
0.92
9.5
60
1.6
1.5
6.5
13.5
9.3
0.69
0.86
16.4
13.1
0.93
9.9
2.3
2.7
11.4
13.8
9.4
0.68
0.79
16.5
13.6
0.94
10.4
3.1
4.3
19.6
14.0
9.5
0.68
0.76
16.6
13.9
0.95
10.7
70
1.6
1.4
6.5
12.9
9.1
0.71
0.97
16.2
14.3
0.96
11.0
2.3
2.6
11.4
13.3
9.2
0.69
0.90
16.3
14.9
0.97
11.6
3.1
4.1
19.6
13.5
9.3
0.69
0.86
16.4
15.2
0.98
11.9
80
1.6
1.3
6.5
12.2
8.9
0.73
1.10
15.9
15.5
0.98
12.1
2.3
2.5
11.4
12.7
9.0
0.71
1.01
16.1
16.0
0.99
12.7
3.1
3.9
19.6
12.9
9.1
0.71
0.97
16.2
16.3
1.00
12.9
85
1.6
1.3
6.5
11.8
8.8
0.74
1.16
15.8
16.0
0.99
12.6
2.3
2.4
11.4
12.3
8.9
0.72
1.07
16.0
16.6
1.00
13.2
3.1
3.8
19.6
12.6
9.0
0.72
1.03
16.1
16.9
1.01
13.4
90
1.6
1.3
6.5
11.5
8.6
0.75
1.23
15.7
16.5
1.00
13.1
2.3
2.3
11.4
12.0
8.8
0.73
1.14
15.8
17.1
1.01
13.6
3.1
3.7
19.6
12.2
8.9
0.73
1.09
15.9
17.3
1.01
13.9
100
1.6
1.2
6.5
10.7
8.4
0.78
1.37
15.4
Operation Not Recommended
2.3
2.2
11.4
11.2
8.6
0.76
1.27
15.6
3.1
3.4
19.6
11.5
8.6
0.75
1.23
15.7
110
1.6
1.1
6.5
9.9
8.1
0.82
1.52
15.1
2.3
2.0
11.4
10.4
8.3
0.79
1.42
15.3
3.1
3.2
19.6
10.7
8.4
0.78
1.37
15.4
DB
— Dry Bulb
EAT
— Entering Air Temperature (F)
EWT
— Entering Water Temperature (F)
GPM
— Gallons per Minute
MBtuh — Btuh in Thousands
SC
SC
— Sensible Capacity (MBtuh)
SHR
— Sensible Heat Ratio
TC
— Total Capacity
THA
— Total Heat of Absorption (MBtuh)
THR
— Total Heat of Rejection (MBtuh)
WB
— Wet Bulb
WLHP — Water Loop Heat Pump
Performance data (cont)