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Pressure Washer
HDC Series
Kärcher HDC Series User Manual
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5.962-786.0 Rev. 05 (06/13)
51
Diagramm 1
x-axis
Flow rate (m³/h)
y-axis
Flow velocity (m/s)
A
Pipe diameter to small => flow velocity
too high=>, risk of leakages/ pipe rup-
tures
B
optimum range
C
Pipe diameter oversized => flow veloci-
ty lower than required=> unnecessarily
high costs
51
53
Table of Contents
Basics of Cleaning
6
1.1 Cleaning circuit
6
1.1.1 Impact pressure
7
1.1.2 Influences on the impact pressure
8
1.1.3 Limits of the impact pressure
11
1.1.4 Influence of the water volume
11
1.1.5 Limits of the water volume
11
1.2 Detergent
12
Stationary high-pressure cleaners
14
2.1 Advantages of stationary high-pressure cleaners
14
2.2 General
14
2.3 Innovative pump technology
15
HDC Classic
16
3.1 Specifications of the four configurable HDC Classic models
17
3.2 Function
18
3.2.1 Flow pattern
18
3.2.2 Water inlet
19
3.2.3 Pumps
19
3.2.4 High pressure side
19
3.2.5 Pressure regulation
19
3.2.6 Controls
19
3.3 Safety Devices
19
3.3.1 Safety mechanism against lack of water in swimmer tank
19
3.3.2 Temperature sensor
19
3.3.3 Winding protection contact
19
3.3.4 Safety valve
19
3.3.5 Overflow valve with pressure switch
19
3.3.6 Pressure sensor
21
3.3.7 General faults
21
3.4 Dimension sheet
22
3.5 Sample installation HDC Classic
23
HDC standard
24
4.1 Specifications of the configurable HDC standard models
25
4.2 Function
28
4.2.1 Flow pattern
28
4.2.2 Water inlet
29
4.2.3 Pumps
29
4.2.4 High pressure side
29
4.2.5 Pressure regulation
29
4.2.6 Controls
29
4.3 Safety Devices
29
4.3.1 Safety mechanism against lack of water in swimmer tank
29
4.3.2 Temperature sensor
29
4.3.3 Winding protection contact
29
4.3.4 Safety valve
29
4.3.5 Overflow valve with flow switch
29
4.3.6 Pressure sensor for high pressure
29
4.4 Specifications sheet
30
4.5 Sample installation HDC Standard
31
4.6 Functional description of the HDC standard control
33
4.6.1 Basic functions
33
4.6.2 Switch-on pressure
33
4.6.3 Operating time
33
4.6.4 Leakage monitoring
33
4.6.5 Temperature monitoring - water
33
4.6.6 Monitoring the pressure sensor - high pressure
33
4.6.7 Monitoring of temperature sensor
33
4.6.8 Water shortage
33
4.6.9 Temperature monitoring - engine and engine protection switch
34
4.6.10 General fault
34
4.6.11 Operating hour counter
34
4.6.12 Service interval
34
4.6.13 Manual operation
34
4.6.14 Prefeed pump
34
4.6.15 Display
34
4.6.16 Basic display
35
4.6.17 Fault codes
35
HDC Advanced
38
5.1 Specifications of the configurable HDC advanced models
39
5.2 Function
41
5.2.1 Flow pattern
41
5.2.2 Water inlet
42
5.2.3 Pumps
42
5.2.4 High pressure side
42
5.2.5 Pressure regulation
42
5.2.6 Controls
42
5.3 Safety Devices
42
5.3.1 Safety mechanism against lack of water in swimmer tank
42
5.3.2 Temperature sensor
42
5.3.3 Winding protection contact
42
5.3.4 Safety valve
42
5.3.5 Overflow valve with flowmeter
42
5.3.6 Pressure sensor for high pressure
42
5.4 Start up
43
5.5 Operation
43
5.5.1 Safety instructions
43
5.5.2 Machine vibrations
43
5.5.3 Display
44
5.5.4 Making the plant ready for operations
44
5.5.5 Switch-off in case of emergency
44
5.5.6 Turning on the Appliance
44
5.5.7 Getting the system ready for operations
44
5.5.8 Turn off the appliance
44
5.6 Shutdown
44
5.7 Specifications sheet
45
5.8 Sample installation HDC Advanced
46
Planning of the complete system / line network
48
6.1 Ascertainment of data required for the configuration of a high-pressure supply unit
48
6.1.1 How many extraction points are to be used at the same time? (max. 17 people)
48
6.1.2 Which delivery rate per extraction point?
48
6.1.3 Which pressure area is required?
49
6.1.4 Water supply
49
6.1.5 Frame / casing
49
6.1.6 Voltage supply
49
6.2 Site selection for the high-pressure supply unit
50
6.3 Determination of the resulting pipe lengths
50
6.4 Pipe dimensioning
50
6.4.1 Flow velocity
51
6.4.2 Pressure loss in pipes
53
6.4.3 Pressure loss in valves
54
6.4.4 Pressure loss in high-pressure hose lines
54
6.4.5 Sample calculation for a pipe network
55
6.5 Information for execution
60
6.5.1 Attachment of pipes
60
6.5.2 Decoupling of pipes towards the wall
61
6.5.3 Temperature related expansion of pipes
61
6.5.4 Detergent supply
62
Accessories
63
7.1 Installation of system
63
7.2 Installation of water connection
63
7.3 HP outlet
63
7.4 Installation of high pressure connection
65
7.5 Accessories for central detergent supply
66
7.5.1 Supply unit of dosing centre
66
7.5.2 HD ball valve DN 7, R 1/4", brass
67
7.6 Accessories at the extraction point
67
7.6.1 High pressure ball tap at the extraction location
67
7.6.2 Double nozzle
68
7.6.3 Quick coupling
68
7.6.4 Detergent mixing unit for local detergent supply (injector)
69
7.6.5 Decentralised detergent supply
70
7.6.6 Remote control start button (optional)
71
7.6.7 Hose and spray lance supply
71
7.7 Hose drums
71
7.8 High pressure hoses, hand spray guns and spray lances and nozzles.
73
7.8.1 Universal high-pressure hose
73
7.8.2 High pressure hose - food grade
73
7.8.3 High-pressure hoses for hose reel
73
7.8.4 High-pressure hose connections (connection M 22x1.5 mm)
73
7.8.5 Hand spray guns
74
7.8.6 Ray tube
75
7.8.7 Double spray pipe for detergent application (only in connection with the injector)
75
7.8.8 Short screw connection
75
7.8.9 Ball nozzle carrier
76
7.8.10 Hand spray gun (without Servopress operation)
76
7.8.11 Quick coupling
76
7.8.12 Male coupling
76
7.8.13 High-pressure nozzles
77
7.8.14 Foam nozzle
77
7.8.15 Foam double spray pipe
77
7.9 Surface cleaner
77
7.9.1 Surface cleaner FR 30ME
77
7.9.2 Surface cleaner FR 50
78
7.9.3 Nozzle kit for surface cleaner FR
78
Annex: Installation examples for accessories
79
4
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Kärcher HDC Series Specifications
General
Brand
Kärcher
Model
HDC Series
Category
Pressure Washer
Language
English
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