User's Manual

1068152-YTG-L-0815
26 Johnson Controls Unitary Products
ZX12 Physical Data
Component
Models
ZXG12 ZXE12
Nominal Tonnage 10 10
AHRI COOLING
PERFORMANCE
Gross Capacity @ AHRI A point (Btu) 125600 125600
AHRI net capacity (Btu) 116000 116000
EER 11 11.2
SEER - -
IEER 11.8 12.0
IEER IntelliSpeed 14.4 14.8
Nominal CFM 3400 3400
System power (KW) 9.2 9.2
Refrigerant type R-410A R-410A
Refrigerant charge (lb-oz)
System 1 5-12 5-12
System 2 5-12 5-12
AHRI HEATING
PERFORMANCE
Heating Option D E F -
Heating model Low Med High -
1st. Stage Heat input (K Btu) 125 176 200 -
2nd. Stage Heat input (K Btu) 180 220 250 -
1st. Stage Heat output (K Btu) 100 141 160 -
2nd. Stage Heat output (K Btu) 144 176 200 -
AFUE % -
Steady state efficiency (%) 80 80 80 -
No. burners 4 5 5 -
No. stages 2 2 2 -
Temperature Rise Range (ºF) 27-44 33-54 37-62 -
Gas Limit Setting (ºF) 150 140 160 -
Gas piping connection (in.) 3/4 3/4 3/4 -
DIMENSIONS (inches)
Length 87.2 87.2
Width 61.7 61.7
Height 48.6 48.6
OPERATING WT. (lbs.) 985 879
COMPRESSORS
Type Scroll Scroll
Quantity 2 2
Unit Capacity Steps (%) 50/100 50/100
CONDENSER
COIL DATA
Face area (Sq. Ft.) 25.5 25.5
Rows 1 1
Fins per inch 23 23
Tube diameter (in./MM) 1/25 1/25
Circuitry Type 2-pass Microchannel 2-pass Microchannel
EVAPORATOR
COIL DATA
Face area (Sq. Ft.) 11.1 11.1
Rows 4 4
Fins per inch 15 15
Tube diameter 0.375 0.375
Circuitry Type Intertwined Intertwined
Refrigerant control Orifice Orifice