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Danfoss
Air Compressor
R22
Danfoss R22 User Manual
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Operating conditions
SZ08
4 to 1
85
R
13
4
a
SZ24
0 - 380
R
13
4
a
SZ08
4 to 1
85
R40
4A / R507
A
80
90
100
110
120
130
140
150
160
0
10
20
30
40
5
0
60
70
Condensing temperature (°F)
Evaporating temperatur
e (°F)
S.H. = 54°F SUPERHEA
T
S.H. = 20°F
80
90
100
110
120
130
140
150
160
0
10
20
30
40
50
60
Condensing temperature (°F)
S.H. = 20 °F
Evaporating temperature (°F)
S.H. = 54°F SUPERHEA
T
80
90
100
110
120
130
140
150
-10
0
10
20
30
40
50
60
Evaporating temperature (°F)
S.H. = 20°F
S.H. = 54°F SUPERHEA
T
Condensing temperature (°F)
27
FR
C
C.PC.00
3.A5.2
2
Application guidelines
26
28
Table of Contents
Default Chapter
3
Table of Contents
3
Danfoss Scroll Compression Principle
4
F Eatures
5
Compressor Model Designation
6
Nomenclature
6
Technical Specifications
7
50 Hz Data
7
60 Hz Data
8
Dimensions
9
Sm/Sz 084-090-100-110-120
9
Sm 112-124-Sm/Sz147
10
SM/SZ147 Code 3
10
Sm/Sz 148-161
11
Sm/Sz 175-185 & Sy185
12
Sy/Sz 240-300-380
13
Connection Details
14
Electrical Data, Connections and Wiring
15
Motor Voltage
15
Wiring Connections
15
IP Rating
16
Terminal Box Temperature
17
Three Phase Electrical Characteristics
17
Danfoss MCI Soft-Start Controller
18
General Wiring Information
19
Motor Protection
21
Voltage Unbalance
23
Approval and Certifications
24
Approvals and Certificates
24
Pressure Equipment Directive 97/23/EC
24
Low Voltage Directive
24
Machines Directives
24
Internal Free Volume
24
O Perating Conditions
25
Refrigerant and Lubricants
25
Motor Supply
26
Compressor Ambient Temperature
26
Application Envelope at Dew Temperatures
26
Application Envelopes at Mean Temperatures
28
Discharge Temperature Protection
30
High and Low Pressure Protection
30
Cycle Rate Limit
31
S Ystem Design Recommendations
32
General
32
Essential Piping Design Considerations
32
Refrigerant Charge Limit
33
Off-Cycle Migration
33
Liquid Flood Back
35
S Pecific Application Recommendations
36
Low Ambient Application
36
Low Load Operations
37
Brazed Plate Heat Exchangers
37
Electronic Expansion Valve
37
Reversible Heat Pump Systems
37
Water Utilizing Systems
39
Sound and Vibration Management
40
Starting Sound Level
40
Running Sound Level
40
Stopping Sound Level
40
Sound Generation in a Refrigeration or Air Conditioning System
40
Installation
42
Compressor Handling and Storage
42
Compressor Mounting
42
Compressor Holding Charge
43
System Cleanliness
43
Tubing
43
Brazing and Soldering
43
System Pressure Test
45
Leak Detection
45
Vacuum Evacuation and Moisture Removal
45
Filter Driers
46
Refrigerant Charging
46
Insulation Resistance and Dielectric Strength
46
Commissioning
47
Oil Level Checking and Top-Up
47
Ordering Information & Packaging
48
Packaging
48
Ordering Information
48
Accessories
51
4
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Danfoss R22 Specifications
General
Brand
Danfoss
Model
R22
Category
Air Compressor
Language
English
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