Johnson Controls ZS Series, Installation Manual

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5566019-BIM-B-1118
Johnson Controls Ducted Systems 31
Table 14:ZS-06 through -12 physical data
Component
Models
ZS-06 ZS-07 ZS-08 ZS-10 ZS-12
Nominal tonnage 6.5 7.5 8.5 10 12.5
AHRI cooling performance
Gross capacity @ AHRI A point (Mbh) 76500 90000 98800 121400 148000
AHRI net capacity (Mbh) 74000 84000 96000 117000 145000
EER 11.2
1
/11.0
2
11.2
1
/11.0
2
11.2
1
/11.0
2
11.2 1 /11.0 2 11.0
1
/10.8
2
IEER with Constant Volume
3
12.4 12.2 12.0
1
/11.7
2
12.0 12.4
1
/12.0
2
IEER with Intellispeed 13.7 13.1 13.4/13.3 14.2 12.8
1
/12.6
2
IEER with VAV 13.4
1
/13.2
2
12.9
1
/12.7
2
13.4/13.3 13.8
1
/13.6
2
12.6
1
/12.4
2
CFM 2500 2500 3300 3400 4050
System power (KW) 6.73 7.87 8.72 10.63 13.40
Refrigerant type R-410A R-410A R-410A R-410A R-410A
Refrigerant charge (lb-oz)
System 1 4-4 4-10 5-6 7-10 7-10
System 2 4-8 4-8 5-8 6-8 7-4
AHRI heating performance
Heating model N12 N18 N12 N18 N12 N18 N18 N24 N18 N24
Heat input (K Btu) 120 180 120 180 120 180 180 240 180 240
Heat output (K Btu) 96 144 96 144 96 144 144 192 144 192
AFUE % - - - - - - - - - -
Steady state efficiency (%) 80 80 80 80 80 80 80 80 80 80
No. burners 4 6 4 6 4 6 6 8 6 8
No. stages 2
4
2
4
2
4
2
4
2
4
2
4
2
4
2
4
2
4
2
4
Temperature Rise Range (ºF) 20-50 35-65 15-45 30-60 10-40 25-55 20-50 35-65 10-40 25-55
Gas Limit Setting (ºF) 165 165 165 165 215 195 195 150 195 150
Gas piping connection (in.) 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4
Dimensions (inches)
Length 89 89 89 89 119-1/2
Width 59 59 59 59 59
Height 42 42 50-3/4 50-3/4 50-3/4
Operating weight (lbs.)
863 860 994 1046 1253
Compressors
5
Type Scroll Scroll Scroll Scroll Scroll
Quantity 2 2 2 2 2
Unit capacity steps (%) 50 / 100 50 / 100 50 / 100 50 / 100 50 / 100
Condenser coil data
Face area (square feet) 18.5 23.8 29.0 29.0 29
Rows 1 1 1 1 1
Fins per inch 23 23 23 23 23
Tube diameter (in.)/mm .71/18 .71/18 .71/18 1/25 1/25
Circuitry type
2-pass
microchannel
2-pass
microchannel
2-pass
microchannel
2-pass
microchannel
2-pass
microchannel
Evaporator coil data
Face area (square feet) 10.6 10.6 13.2 13.2 13.2
Rows 3 3 3 4 4
Fins per inch 15 15 15 15 15
Tube diameter 0.375 0.375 0.375 0.375 0.375
Circuitry type Intertwined Intertwined Intertwined Intertwined Intertwined
Refrigerant control TXV TXV TXV TXV TXV