Johnson Controls ZY Series - Page 71

Table 21: ZYA7 Physical Data
Models
Component
ZYGA7 ZYEA7
Nominal Tonnage 6 6
Gross Capacity @ AHRI A point (Btu) 73000 73000
AHRI net capacity (Btu) 71000 71000
EER 12 12
SEER - -
CV IEER 14.6 14.6
IEER IntelliSpeed 16 16
Nominal CFM 2350 2350
System power (KW) 5.87 5.89
Refrigerant type R-410A R-410A
Refrigerant charge (lb-oz)
System 1 7-11 7-11
AHRI COOLING PERFORMANCE
System 2 - -
Heating Option D E F -
Heating model Low Med High -
1st. Stage Heat input (K Btu) 57 90 110 -
2nd. Stage Heat input (K Btu) 72 125 150 -
1st. Stage Heat output (K Btu) 46 72 88 -
2nd. Stage Heat output (K Btu) 58 100 120 -
AFUE % - - - -
Steady state efficiency (%) 80 80 80 -
No. burners 2 3 3 -
No. stages 2 2 2 -
Temperature Rise Range (ºF) 18-30 31-51 37-62 -
Gas Limit Setting (ºF) 140 140 160 -
AHRI HEATING PERFORMANCE
11
Gas piping connection (in.) 1/2 3/4 3/4 -
Length 87.2 87.2
Width 61.7 61.7DIMENSIONS (in.)
Height 40.6 40.6
OPERATING WT. (lb) 899 829
Type Scroll Scroll
Quantity 1 1COMPRESSORS
Unit Capacity Steps (%) 67/100 67/100
Face area (Sq. Ft.) 21.1 21.1
Rows 1 1
Fins per inch 23 23
Tube diameter (in./MM) 1/25 1/25
CONDENSER COIL DATA
Circuitry Type 2-pass Microchannel 2-pass Microchannel
Face area (Sq. Ft.) 8.9 8.9
Rows 3 3
Fins per inch 15 15
Tube diameter 0.375 0.375
Circuitry Type Intertwined Intertwined
EVAPORATOR COIL DATA
Refrigerant control TXV TXV
Quantity of fans 2 2
Fan diameter (in.) 22 22
Type Prop Prop
Drive type Direct Direct
Quantity of motors 2 2
Motor HP each 1/2 1/2
No. speeds 1 1
RPM 1085 1085
CONDENSER FAN DATA
Nominal total CFM 7600 7600
INSTALLATION MANUAL ZY SERIES 3-10ton 60 Hertz R-410A 71
Johnson Controls Ducted Systems