Technical Guide

251933-YTG-V-0913
14 Johnson Controls Unitary Products
ZF072 Physical Data
Component
Models
ZF072
Nominal Tonnage 6.0
AHRI COOLING PERFORMANCE
Gross Capacity @ AHRI A point (Btu) 70360
AHRI net capacity (Btu) 68000
EER 11.2
1
/ 11.0
2
IEER 11.3
Nominal CFM 2000
System power (KW) 6.07
Refrigerant type R-410A
Refrigerant charge (lb-oz)
System 1 6-4
AHRI HEATING PERFORMANCE
Heating model N08 N10 D06 D10
Heat input (K Btu) 100 125 75 125
Heat output (K Btu) 80 100 60.8 100.6
AFUE % 80.5 80.3 - -
Steady state efficiency (%) - - 81.1 80.5
No. burners 4535
No. stages 1122
Temperature Rise Range (ºF) 25-55 30-75 15-45 30-75
Gas Limit Setting (ºF) - Direct Drive 170 165 210 165
Gas Limit Setting (ºF) - Belt Drive 210 210 210 210
Gas piping connecting (in.) 1/2 1/2 1/2 1/2
DIMENSIONS (inches)
Length 82 1/4
Width 44 7/8
Height 32 5/8
OPERATING WT. (lbs.) 640
COMPRESSORS
Type Scroll
Quantity 1
Unit Capacity Steps (%) 100
CONDENSER COIL DATA
Face area (Sq. Ft.) 16.3
Rows 1
Fins per inch 23
Tube diameter (in.) 1.0 / 25.4
Circuitry Type 2-pass Microchannel
EVAPORATOR COIL DATA
Face area (Sq. Ft.) 5.06
Rows 4
Fins per inch 13
Tube diameter 0.375
Circuitry Type Intertwined
Refrigerant control Fixed Orifice