Danfoss APP S 674 Series, Installation, Operation And Maintenance Manual

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39
180R9270 / IOM APP S 674 - v01 / 03.2013
Instruction APP S 674 pumps
2
180R9276 / 521B1245 / DKCFN.PI.013.Z1.02 / 03.2013
1. Identification
Pump:
Code No:
Serial No:
ccm / rpm:
900 ≤rpm≤1800
0.5 bar ≤ Pin ≤ 5 barg
20 bar ≤ Pout ≤80 barg
4°C ≤ Tmedia ≤ 95°C
Media:
EX II 2 G bc T3
Warning
Use only 10 µm filter with a
β-value>5000. Bleed the
pump befor initial startup.
1. Identification
2. System design
2.1 Open system design
2.2 RO system with APP S 674 pump
2.3 Protection from too high pressures
3. Building up the pump unit
3.1 Mounting
3.2 Direction of rotation
3.3 Orientation
3.4 Connections
3.4.1 APP S 674 3.0-3.5
3.4.2 APP S 674 5.1-9.0
3.4.3 APP S 674 21-38
4. Initial start-up
4.1 APP S 674 3.0-3.5
4.2 APP S 674 5.1-9.0
4.3 APP S 674 21-38
5. Technical data
6. Operation
6.1 Temperature
7. Long-term shutdown
8. Storage
9. Service and warranty
9.1 Repair
9.2 Recommended service intervals
10. EC Declaration of Conformity
Our CLP RO pumps have changed name as listed below:
CLP674 050-058 RO will now be called APP S 674 3.0-3.5
CLP674 085-152 RO will now be called APP S 674 5.1-9.0
CLP674 365-640 RO will now be called APP S 674 21-38
This is ONLY a name change.
Table of Contents
Instruction APP S 674
APP S 674 3.0-3.5
APP S 674 5.1-9.0
APP S 674 21-38
(180R9276)
Instruction APP S 674 pumps
3
180R9276 / 521B1245 / DKCFN.PI.013.Z1.02 / 03.2013
2.1 Open system design
A Inlet line:
Minimize pressure loss by allowing for
maximum flow, minimum pipe length, as
few bends/connections as possible, and
fittings with small pressure losses.
B Inlet filter:
Install the inlet filter (1) in front of the
APP S 674 pump (4). Please consult the
Danfoss filter data sheet for guidance on
how to select the right filter.
C Monitoring pressure switch:
Install the monitoring pressure switch (3)
between the filter and the pump inlet. Set
the minimum inlet pressure according to
pump specifications. The monitoring
pressure switch stops the pump if inlet
pressure is lower than the set minimum
pressure.
D Monitoring temperature switch when the
pump operates in a hazardous area:
Install the monitoring temperature switch
between the filter and the pump, on either
side of the monitoring pressure switch. Set
the temperature according to pump
specifications. The monitoring temperature
switch stops the pump if inlet temperature
is higher than the set value.
E Connections:
Ensure flange loads (5) do not exceed max.
allowable loads on process connections
according to API 674 3
rd
edition (pipe size).
F Inlet pressure:
In order to eliminate the risk of cavitation
and other pump damage, inlet pressure
must be maintained in-betweens pump
specifications.
G LP relief valve (2):
Can be installed in order to avoid system or
pump damage in case the pump stops
momentarily or spinning backwards.
H HP relief valve:
As the Danfoss APP S 674 pump begins to
create pressure and flow immediately after
start-up and regardless of any counter
pressure, a pressure relief valve (6) should
be installed to prevent system damage.
Note: If a non-return valve is mounted in the
inlet line, a low-pressure relief valve is also
required between the non-return valve and the
pump to protect against high-pressure peaks.
2. System design
1
4 5 3
PI PS
M
5 2
6
2.2 RO system with APP S 674 pump
The numbers in brackets refer to the drawing on
next page.
A Dimension the inlet line to obtain mini-
mum pressure loss (large flow, minimum
pipe length, minimum number of bends/
connections, and fittings with small
pressure losses).
B Place an inlet filter (1) in front of the
APP S 674 pump (2). Please consult section
10, “Filtration” for guidance on how to
select the right filter. Thoroughly clean
pipes and flush system prior to start-up.
C Place a monitoring pressure switch (3) set
at min. inlet pressure between filter and
pump inlet.
The monitoring switch must stop the pump
at pressures lower than minimum pressure.
D Ensure flange loads (4) do not exceed max.
allowable loads on process connections
according to API 674 3
rd
edition (pipe size).
E In order to eliminate the risk of damage and
cavitation, a positive pressure at the inlet
(5) is always to be maintained at min. inlet
pressure and max. inlet pressure. Recom-
mend to install safety valve or a pressure
relief valve (9) in order to avoid high
pressure peaks in case the pump stops
momentarilly or is spinning backwards.
F For easy system bleeding and flushing, a
bypass non-return valve (6) is integrated in
the APP S 674 pump.
G A non-return valve (7) in outlet can be
installed in order to avoid backspin of the
pump. The volume of water in the mem-
brane vessel works as an accumulator and
will send flow backwards in case the pump
stops momentarily.
H A safety valve or a pressure relief valve (8)
can be installed in order to avoid system
damage as the Danfoss APP S 674 pump
creates pressure and flow immediately after
start-up, regardless of any counter
pressure.
Note: If a non return valve is mounted in the
inlet line, a low pressure relief valve is also
required between non return valve and pump
as protection against high pressure peaks.