Engineering Manual

A-178
Representative matching SEZ-KD09NA4 SEZ-KD12NA4 SEZ-KD15NA4 SEZ-KD18NA4
Item Unit Cooling Heating Cooling Heating Cooling Heating Cooling Heating
Total
Capacity BTU/h 8,100 10,900 11,500 13,600 14,100 18,000 17,200 21,600
SHF - 0.80 — 0.76 — 0.80 — 0.79 —
Input kW 0.670 1.020 0.920 1.140 1.170 1.500 1.380 1.700
Electrical circuit
Indoor unit SEZ-KD09NA4 SEZ-KD12NA4 SEZ-KD15NA4 SEZ-KD18NA4
Power supply (V, Phase, Hz) 230, 1, 60
Input kW 0.06 0.04 0.07 0.05 0.09 0.07 0.09 0.07
Current A 0.51 0.39 0.57 0.46 0.74 0.63 0.74 0.63
Outdoor unit SUZ-KA09NA SUZ-KA12NA SUZ-KA15NA SUZ-KA18NA
Power supply (V, phase, Hz) 230, 1, 60
Input kW 0.61 0.98 0.85 1.09 1.08 1.43 1.39 1.63
Current A 2.80 4.33 3.64 4.65 4.45 5.96 5.38 6.91
Refrigerant circuit
Condensing pressure PSIG 398 448 387 386 399 389 373 397
Suction pressure
PSIG 135 97 135 104 133 96 142 100
Discharge temperature °F 148 170 162 165 159 182 150 172
Condensing temperature °F 116 125 114 114 116 115 112 116
Suction temperature °F 49 33 55 35 46 41 52 33
Ref. pipe length ft. 25
Refrigerant charge (R410A) - 1 lb. 16 oz. 2 lb. 9 oz. 3 lb. 16 oz.
Indoor
unit
Intake air temperature
DB °F 80 70 80 70 80 70 80 70
WB °F 67 60 67 60 67 60 67 60
Discharge air temperature DB °F 61 102 58 103 60 102 60 101
Outdoor
unit
Intake air temperature
DB °F 95 47 95 47 95 47 95 47
WB °F — 43 — 43 — 43 — 43