Johnson Controls ZY Series - Page 73

Table 22: ZY08 Physical Data
Models
Component
ZYG08 ZYE08
Nominal tonnage 7.5 7.5
Gross Capacity @
AHRI A point (Btu)
93000 93000
AHRI net
capacity (Btu)
89000 89000
EER 12 12.2
SEER - -
IEER 12.7 12.9
IEER IntelliSpeed 14.0 14.1
Nominal CFM 2900 2900
System power (KW) 7.40 7.40
Refrigerant type R-410A R-410A
Refrigerant
charge (lb-oz)
System 1 5-12 5-12
AHRI COOLING
PERFORMANCE
System 2 5-14 5-14
Heating Option D E F -
Heating model Low Med High -
1st. Stage Heat
input (K Btu)
90 125 176 -
2nd. Stage Heat
input (K Btu)
125 180 220 -
1st. Stage Heat
output (K Btu)
72 100 141 -
2nd. Stage Heat
output (K Btu)
100 144 176 -
Steady state
efficiency (%)
80 80 80 -
No. burners 3 4 5 -
No. stages 2 2 2 -
Temperature
Rise Range (ºF)
25-41 36-59 43-72 -
Gas Limit Setting (ºF) 140 150 140 -
AHRI HEATING
PERFORMANCE
THREE PHASE
Gas piping
connection (in.)
3/4 3/4 3/4 -
Length 87.2 87.2
Width 61.7 61.7DIMENSIONS (in.)
Height 48.6 48.6
OPERATING WT. (lb.) 970 868
Type Scroll Scroll
Quantity 2 2
COMPRESSORS
Unit Capacity
Steps (%)
50/100 50/100
Face area (Sq. Ft.) 25.5 25.5
Rows 1 1
Fins per inch 23 23
Tube diameter
(in./MM)
.79/20 .79/20
CONDENSER
COIL DATA
Circuitry Type 2-pass Microchannel 2-pass Microchannel
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
EVAPORATOR
COIL DATA
Refrigerant control TXV TXV
Quantity of fans 2 2
Fan diameter (Inch) 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 8200 8200
INSTALLATION MANUAL ZY SERIES 3-10ton 60 Hertz R-410A 73
Johnson Controls Ducted Systems