York 251934-YTG-J-0910 - Manual (Page 17)

251934-YTG-J-0910
Johnson Controls Unitary Products 17
ZR180-300 Physical Data
Component
Models
ZR180 ZR240 ZR300
Nominal Tonnage 15 20 25
ARI COOLING PERFORMANCE
Gross Capacity @ ARI A point (Btu) 189 243 303
ARI net capacity (Btu) 183 235 288
EER 11.6 12.1 10.5
SEER - - -
IPLV 12.4 13.8 11.3
Nominal CFM 6000 8000 10000
System power (KW) 14.40 20.10 28.50
Refrigerant type R-410a R-410a R-410a
Refrigerant charge (lb-oz)
System 1 22 24 25
System 2 22 24 24-8
ARI HEATING PERFORMANCE
Heating model 24 32 24 32 24 32
Heat input (K Btu) 300 400 300 400 300 400
Heat output (K Btu) 240 320 240 320 240 320
AFUE % - - - - - -
Steady state efficiency (%) 80 80 80 80 80 80
No. burners 6 8 6 8 6 8
No. stages 2 2 2 2 2 2
Temperature Rise Range (ºF) 20-50 30-60 20-50 30-60 20-50 30-60
Gas Limit Setting (ºF) 195 195 195 195 195 195
Gas piping connection (in.) 1 1 1 1 1 1
DIMENSIONS (inches)
Length 180-19/32
Width 92
Height 52-5/8
OPERATING WT. (lbs.) 2360 2660 2760
COMPRESSORS
Type Scroll Scroll Scroll
Quantity 2 2 2
Unit Capacity Steps (%) 50 / 100 50 / 100 50 / 100
CONDENSER COIL DATA
Face area (Sq. Ft.) 63.8 63.8 63.8
Rows 2 2 2
Fins per inch 20 20 20
Tube diameter (in.) 3/8 3/8 3/8
Circuitry Type Split-face Split-face Split-face
EVAPORATOR COIL DATA
Face area (Sq. Ft.) 20 20 20.52
Rows 3 4 4
Fins per inch 13.5 13.5 13.5
Tube diameter 3/8 3/8 3/8
Circuitry Type Intertwined Intertwined Intertwined
Refrigerant control TXV TXV TXV
REHEAT COIL DATA
Face area (Sq. Ft.) 17.2 17.2 17.2
Rows 2 2 2
Fins per inch 13 13 13
Tube diameter 3/8 3/8 3/8