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5
LEGEND NOTES:
1. Ratings are in accordance with and certified to ARI/ISO Standard
13256-1.
2. Cooling Standard: 80.6 F db, 66 F wb indoor entering air tempera-
ture, 86 F entering water temperature.
3. Heating Standard: 68 F db indoor entering air temperature, and
68 F entering water temperature.
Physical data
UNIT 50KQL
COOLING HEATING
AIRFLOW
(cfm)
WATER
FLOW
(gpm)
PRESSURE
DROP
(ft wg)
TC SC THR
Input Power
(kW)
EER TC
Input Power
(kW)
COP
07 7.8 6.6 10.0 0.645 12.1 10.4 0.622 4.9 240 1.9 1.5
09 9.3 7.2 11.9 0.775 12.0 12.0 0.799 4.4 300 2.5 3.1
12 12.3 9.5 15.9 1.060 11.6 15.0 0.999 4.4 350 3.1 3.8
15 13.8 11.2 17.8 1.169 11.8 17.3 1.152 4.4 400 3.6 3.0
19 16.0 11.9 20.6 1.333 12.0 19.3 1.346 4.2 460 4.8 5.0
ARI — Air Conditioning and Refrigeration Institute
COP — Coefficient of Performance
db — Dry Bulb Temperature
EER — Energy Efficiency Ratio
ISO — International Organization for Standardization
TC — Total Capacity (MBtuh)
THR — Total Heat of Rejection (MBtuh)
SC — Sensible Capacity (MBtuh)
wb — Wet Bulb Temperature
BASE UNIT 50KQL 07 09 12 15 19
NOMINAL COOLING CAPACITY (Btuh)
7,800 9,300 12,300 13,800 16,000
COMPRESSOR
Rotary
BLOWER
Motor Horsepower
Wheel Size D x W (in.) 2 each
1
/
20
5
1
/
4
x6
1
/
4
1
/
15
5
1
/
4
x6
1
/
4
1
/
15
5
1
/
4
x6
1
/
4
1
/
6
5
1
/
4
x6
1
/
4
1
/
6
5
1
/
4
x6
1
/
4
FILTER SIZE (in.) Bottom Return
8x29
1
/
2
x
3
/
8
8x29
1
/
2
x
3
/
8
8x29
1
/
2
x
3
/
8
8x29
1
/
2
x
3
/
8
8x29
1
/
2
x
3
/
8
FILTER SIZE (in.) Front Return
7x29
1
/
2
x
1
/
8
7x29
1
/
2
x
1
/
8
7x29
1
/
2
x
1
/
8
7x29
1
/
2
x
1
/
8
7x29
1
/
2
x
1
/
8
UNITWEIGHT(lb)
Shipping
Operating
181
173
185
177
195
187
201
193
206
198
REF. TO AIR HEAT EXCHANGER
Face Area (sq ft)
No. of Rows Deep
Copper Tube Size OD (in.)
Fin Spacing (FPI)
1.4
2
3
/
8
13
1.4
2
3
/
8
13
1.4
3
3
/
8
13
1.8
3
3
/
8
13
1.8
3
3
/
8
12
REFRIG. CHARGE (R-22)/CKT (oz)
No. of Circuits
16
1
16
1
21
1
27
1
24
1
UNIT CABINET WITH STANDARD SUBBASE
WxHxD(in.) 48 x 24 x 12 48 x 24 x 12 48 x 24 x 12 48 x 24 x 12 48 x 24 x 12
WATER IN/OUT SIZE OD SWEAT (in.)
5
/
8
5
/
8
5
/
8
5
/
8
5
/
8
CONDENSATE SIZE ID VINYL (in.)
5
/
8
5
/
8
5
/
8
5
/
8
5
/
8
ARI/ISO 13256-1 capacity ratings