Carrier Z6 用户手册
5
Table 1B — Physical Data (48ZG,ZN055-070)
LEGEND
BASE UNIT
48ZG,ZN055
48ZG,ZN060
48ZG,ZN070
NOMINAL CAPACITY (tons)
55
60
70
OPERATING WEIGHT (lb)
Standard Chassis
Extended Chassis
Standard Chassis
Extended Chassis
Standard Chassis
Base Unit
Low Heat
8700
9248
9000
9,548
9,420
High Heat
8820
9368
9120
9,668
9,550
With Economizer
Low Heat
9230
9730
9530
10,030
9,950
High Heat
9350
9850
9650
10,450
10,080
COMPRESSORS
Semi-Hermetic
Quantity...Type
2...06E
2...06E
2...06E
Oil Charge (Pints)
19, 14
19
19
Capacity Steps (%)
CV
60,100
50,100
45,100
VAV
20,40,60,80,100
17,33,50,67,83,100
14,29,43,51,66,71,85,100
Number of Refrigerant Circuits
2
2
2
REFRIGERANT
R-22
Operating Charge (lb), Ckt 1/Ckt 2
Standard Evaporator Coil
59.0/44.5
61.0/61.0
70.5/64.5
Standard Evaporator with HGBP
62.0/44.5
64.0/61.0
73.5/64.5
Alternate High-Capacity Evaporator Coil
72.0/58.0
69.5/69.5
82.5/74.5
Alternate High-Capacity Evaporator
with HGBP
75.0/58.0
72.5/69.5
85.5/74.5
CONDENSER COILS
3
/
8
-in. Tube Diameter
Quantity
4
4
4
Rows...Fins/in.
Aluminum
2...17.0, 3...17.0
3...17.0
3...17.0
Copper (Optional)
2...15.7, 3...15.7
3...15.7
3...15.7
Total Face Area (sq ft)
72.4
72.4
108.4
EVAPORATOR COILS
Quantity
2
Total Face Area (sq ft)
61.5
Refrigerant Feed Device...No. per Circuit
TXV...2
Standard Evaporator Coils
1
/
2
in. Tube Dia
Rows...Fins/in.
3...17.0
4...17.0
4...17.0
Fin Type
Double Wavy
Double Wavy
Double Wavy
Tube Type
Smooth
Smooth
Smooth
Alternate, High-Capacity Evaporator Coils
1
/
2
in. Tube Dia
Rows...Fins/in.
6...16
6...16
6...16
Fin Type
Double Wavy
Double Wavy
Double Wavy
Tube Type
Cross Hatched
Cross Hatched
Cross Hatched
HEATING SECTION
Low Heat
High Heat
Low Heat
High Heat
Low Heat
High Heat
Number of Heat Exchangers
2
3
2
3
2
3
Input (MBtuh)
650
975
650
975
650
975
Output (MBtuh)
527
790
527
790
527
790
Temperature Rise Range (F)
10-40
20-50
10-40
20-50
10-40
20-50
Efficiency (%)
81
81
81
81
81
81
Burner Orifice Diameter
Quantity (in. ...drill no.)
14 (.1285...30)
21 (.1285...30)
14 (.1285...30)
21 (.1285...30)
14 (.1285...30)
21 (.1285...30)
Manifold Pressure (in. wg)
3.3
3.3
3.3
3.3
3.3
3.3
Line Pressure (in. wg) (min...max)
5.0...13.0
5.0...13.0
5.0...13.0
5.0...13.0
5.0...13.0
5.0...13.0
Firing Stages
2
2
2
2
2
2
Number of Gas Valves
2
3
2
3
2
3
CONDENSER FANS
Propeller Type
Quantity...Diameter (in.)
4...30
4...30
5...30
Nominal Cfm
40,000
40,000
50,000
Motor Hp...Rpm
1.0...1140
1.0...1140
1.0...1140
SUPPLY FAN
Centrifugal 25 x 25 in.
Nominal Cfm
17,500
21,000
24,500
Maximum Allowable Cfm
25,000
30,000
30,000
Maximum Allowable Rpm
800
800
800
Shaft Diameter at Pulley (in.)
1
11
/
16
1
11
/
16
1
11
/
16
SUPPLY-FAN MOTOR AND DRIVE
(Any motor available on any unit)
Motor Hp
15
20
25
30
40
Motor Frame Size
254T
256T
284T
286T
S324T
Efficiency at Full Load (%)
High Efficiency
91.0
91.0
91.7
92.4
93.0
Premium Efficiency
93.0
93.6
93.6
93.6
94.5
Fan Pulley Pitch Diameter (in.)
13.7
13.7
13.7
15.5
16.1
Motor Pulley Pitch Diameter (in.)
4.5
5.1
5.5
5.9
6.7
Resulting Fan Speed (rpm)
575
651
703
711
740
Belts Quantity...Type
2...5VX1230
2...5VX1230
2...5VX1230
2...5VX1230
3...5VX1250
Center Distance Range (in.)
48.25-44.00
48.25-44.00
48.50-44.25
48.50-44.25
48.25-44.00
OPTIONAL POWER EXHAUST
Centrifugal, 15 x 15 in. (Any motor available on any unit)
Quantity...Motor Hp
2...5
2...7.5
2...10
Motor Frame Size
184T
213T
215T
Efficiency at Full Load (%) High/Premium
87.5/89.5
88.5/91.7
89.5/91.7
Resulting Fan Rpm
740
820
920
Maximum Allowable Rpm
1000
1000
1000
FILTERS
Standard Efficiency Throwaway (Standard)
12...20 x 25 x 2
12...20 x 25 x 2
12...20 x 25 x 2
Quantity...Size (in.)
12...20 x 20 x 2
12...20 x 20 x 2
12...20 x 20 x 2
Medium Efficiency (30%) Pleated (Optional)
12...20 x 25 x 2
12...20 x 25 x 2
12...20 x 25 x 2
Quantity...Size (in.)
12...20 x 20 x 2
12...20 x 20 x 2
12...20 x 20 x 2
High Efficiency (90%) Bag Filters
with High Velocity Prefilters (Optional)
Quantity...Size (in.)
Quantity...Size (in.)
Bag Filter
6...24 x 24 x 22
6...24 x 20 x 22
6...24 x 20 x 22
6...24 x 24 x 22
6...24 x 20 x 22
6...24 x 20 x 22
6...24 x 24 x 22
6...24 x 20 x 22
6...24 x 20 x 22
Prefilter
6...24 x 24 x 2
6...20 x 24 x 2
6...20 x 24 x 2
6...24 x 24 x 2
6...20 x 24 x 2
6...20 x 24 x 2
6...24 x 24 x 2
6...20 x 24 x 2
6...20 x 24 x 2
OUTSIDE AIR SCREENS
Standard Hood (25%) Quantity...Size (in.)
4...25 x 16 x 1
2...20 x 16 x 1
2...20 x 16 x 1
4...25 x 16 x 1
2...20 x 16 x 1
2...20 x 16 x 1
4...25 x 16 x 1
2...20 x 16 x 1
2...20 x 16 x 1
OPTIONAL ECONOMIZER FILTER
Aluminum Frame, Permanent
Quantity...Size (in.)
12...16 x 25 x 1
2...16 x 20 x 1
12...16 x 25 x 1
2...16 x 20 x 1
12...16 x 25 x 1
2...16 x 20 x 1
CV
— Constant Volume
HGBP — Hot Gas Bypass
MBtuh — Btuh in Thousands
TXV
MBtuh — Btuh in Thousands
TXV
— Thermostatic Expansion Valve
VAV
— Variable Air Volume