Nilfisk-Advance SC DELTA Instructions For Use Manual page 7

SC DELTA
Operating Instructions
This high pressure washer has been developed for profes-
sional use within:
- agriculture, light industry, transport, building and con-
struction, service
Only use the high pressure washer for purposes described
in this manual.
Regarding the following sections:
A - Installation
B - Operation
C - Maintenance
please refer to pictures in front of the manual.
A - Installation
Before starting
DO READ SAFETY INSTRUCTIONS BEFORE USE!
The SC DELTA is a fl exible pump station capable of supplying
several simultaneous users with pressurized cold / hot water
through a pipeline. The SC DELTA has been pre-adjusted
for a certain line pressure which is also the maximum work-
ing pressure.
Operating elements:
1. Water connection with fi lter
1.a Hot (option)
2. Main switch
3. Display
4. Connection of pipe system
5. Electric cable, mounting
6. Adjustable feet (m12)
7. Cabinet
8. E-box
9. Type plate
10. Inspection plug, water tank
11. Filter, water tank
A.1 Temperature conditions
The machine should be installed in a frost-free room. This
applies to pump as well as pipelines incl. of outlet points.
Con cern ing outdoor outlet points it should be possible to
close and emp ty that part of the line which is exposed to frost.
The machine generates heat. Please ensure suffi cient venti-
lation so that the ambient temperature does not exceed 40°C.
1 pump generates around 1 kW heat - 6 pumps 6 kW.
A.2 Condition of distance
In consideration of the cooling system of the machine and
the accessibility of service, there must be free wall space
on both sides of the machine. To the right 200 mm at a
min i mum and to the left 400 mm at a min i mum.
For service there must be at least 1000 mm in front of the
machine and 500 mm above the machine.
A.3 Water connection
The water connection is made through a fl exible hose con-
nected to the water inlet(s) (1) of the machine.
Original Instructions
The connection can be made to a water supply network or
an internal water sup ply. A shut-off cock should be mounted
on the water supply network in the immediate vicini ty of the
ma chine.
Max. water pressure: 10 bar
Min. water pressure: 2 bar
Max. water inlet temp.: See label on machine by the water
inlet.
See A.3.1 for dimensions.
On the back side of the machine there are 2 hoses attached
to the water tank. These are overfl ow hoses in case of a
malfunction in the water tank.
The two hoses must not be blocked.
If there is a risk of running sands or other impurities in the inlet
water, a sand fi lter (50 micron) should be mounted beyond
the internal fi lter of the machine (for further connection data
see section Tech ni cal Specifi cations).
Clean the water inlet fi lter once a month or as needed. See
C.2.
Note: If option/accessory cold/hot inlet mix is mounted, the
temperature out of the machine cannot be lower than the
temperature on the cold inlet (blue point) on the machine.
A.4 Mains power connection
The power system of the SC DELTA is designed in confor-
mity with the common European standard:
EN 60204-1:2006+A1:2009: Electrical equipment of ma-
chines, Part 1: General requirements.
Power should be connected through a fl exible rubber cable
holding copper conductors for 3 phases and earth (PE). The
minimum dimensions of the cable are determined by the
power consumption of the current system (cf. data sheet),
but common to all systems is the following:
Max pre-fuse:
Max core section of cable:
Min core section of cable:
A.4.1 Installation of the main power supply
• Installation of the machine should be carried out by au-
thorized engineer
Equipment to protect the user against electrical shock, should
be installed and designed to fulfi l the authority requirement
for the actual location of the machine, this protection can
be done with fuses or Residual Current Device.
Note: High leakage current because of inverter.
The power supply cable, minimum 4G25mm², must be con-
nected to the machine through the cable gland in the back
of the E-box (1). The wires L1 – L2 – L3 are connected to
the main switch –S1, connection points 2 – 4 – 6 on the
switch, Earth wire is connected to the main earth terminal
placed next to the main switch.
A.4.2 First activation of the main switch with con-
nected main power supply
Before the main switch is turned on, open the E-box and
check the below points.
EN
125 A
35 mm
25 mm
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