Regulus CSE OTS W6 Manuel utilisateur
www.regulus.eu
CSE OTS W6
CSE OTS W6
EN
Installation and Operation Manual
CSE OTS W6 PUMP STATION
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CSE OTS W6 PUMP STATION - www.regulus.eu
1. Introduction
CSE OTS W6 pump station is designed to be installed in unmixed hydraulic circuits in heating systems
where a non return valve is not required. The pump station provides circulation through the concerned
heating circuit.
2. Description of the Pump Station
The pump station consists of a Wilo Para SC pump including a power cable, two fittings with a shut-off
ball valve, thermometer and insulation.
Main features
Application unmixed hydraulic circuits in heating systems
Description consists of a Wilo PARA 25/6 SC pump, a ball valve, fittings with a shut-
off ball valve, thermometer and insulation
Working fluid water, water-glycol mixture (max. 1:1) or water-glycerine mixture (max. 2:1)
Installation on a pipe in the circuit concerned, the min. distance of the pipe axis from a
wall is 100 mm
Operating Parameters CSE OTS W6
Fluid working temperature 5 - 90 °C
Max. working pressure 10 bar
Min. working pressure 0.5 bar
Ambient temperature 5 - 40 °C
Max. rel. humidity 80 % non condensing
Max. head 6.7 m
Insulation material EPP RG 60 g/l
Overall dimensions 305 x 135 x 155 mm
Total weight 2.4 kg
Connections 2x G 1" F
Code 18611
3. Flow direction
SMĚR PROUDĚNÍ
FLOW DIRECTION
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CSE OTS W6 PUMP STATION - www.regulus.eu
4. Wilo PARA 25/6 SC Pump
4.1. General Information
The high efficiency circulation pumps of the PARA SC series are used exclusively for the circulation
of liquids in hot water heating systems. Operating the pump in other systems or in systems lacking
water, containing air or in unpressurized systems can lead to its rapid destruction.
4.2. Pump Description
1 - Pump housing
2 - Pump motor
3 - Condensate drain openings
4 - Pump housing bolts
5 - Control module
6 - Rating plate
7 - Pump adjustment button
8 - LED indication of operation/fault
9 - Display of the selected pump operating mode
10 - Display of the selected pump curve (I, II, III)
4.3. Permitted and Prohibited Pump Positions
9
8
7
10
3
2
1
4
5
6
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CSE OTS W6 PUMP STATION - www.regulus.eu
4.4. Pump Wiring
The pump must be wired / disconnected by a qualified person in compliance with EN 50110-1!
Plug the power cable (2) into the connector on the pump so that the connector lock (1) is in the
correct position, see Fig.
1 Lock
2 Power cable connector
4.5. Pump Control
Constant speed operating mode and pump performance curve III are preset as factory settings for
the PARA SC pump. After switching on, the pump runs at the factory setting or at the last setting.
The settings can be changed using the operating button, see below.
Briefly press the operating button to:
select the pump operating mode: constant speed, Δp-v or Δp-c and the pump performance curve
(I,II,III)
2
1
POWER SUPPLY (1 ~ 230V, 50 Hz)
brown - L
blue - N
yellow-green - PE
OPERATING BUTTON
5 │
CSE OTS W6 PUMP STATION - www.regulus.eu
Press and hold the operating button for the specified time to activate:
- Pump venting function - hold the operating button for 3 seconds.
- Manual restart - hold the operating button for 5 seconds.
- Locking / Unlocking the operating button - hold the button for 8 seconds
- Factory setting - hold the operating button for at least 4 seconds and switch off the pump
by disconnecting it from the mains.
SETTING THE PUMP PROFILE
Briefly press the operating button for 1 second to select operating mode
and pump performance curve. LEDs show pump settings (operating mode /
performance curve).
LED indicators Operating mode Performance curve
constant speed
constant speed
Δp-v variable
Δp-v variable
Δp-v variable
Δp-c constant
Δp-c constant
Δp-c constant
constant speed
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CSE OTS W6 PUMP STATION - www.regulus.eu
PUMP VENTING
If air is present in the pump:
o Activate the pump venting function by pressing and holding the
operating button for 3 sec. The upper and lower rows of LEDs
will flash in 1sec interval, see Fig.
o Pump venting takes 10 minutes, after that the pump returns
to current mode. In order to cancel pump venting, press and
hold the operating button for 3 sec.
MANUAL RESTART
If the pump has been inactive for a long time or is blocked, activate
the manual restart by holding the operating button for 5 seconds. The
LEDs flash sequentially clockwise. The manual restart takes max. 10
minutes before the pump returns to normal operation. To cancel the
manual restart, hold down the operating button for 5 seconds.
If the pump does not get unblocked, contact a qualified technician.
sec
3
min
10
sec5
min10
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CSE OTS W6 PUMP STATION - www.regulus.eu
OPERATING BUTTON LOCKING / UNLOCKING
To lock the operating button, press it for 8 seconds.
The selected setting then starts flashing and cannot be changed.
To unlock, hold down the operating button again for 8 seconds
and the LEDs will stop flashing.
FACTORY SETTINGS
To return to the factory settings, press and hold the operating button for at least 4 seconds (all
LEDs flash for 1 second) and turn off the pump by unplugging. When switched on again, the
pump will run at the factory settings.
sec8
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CSE OTS W6 PUMP STATION - www.regulus.eu
PUMP OPERATING MODES
Variable differential pressure Δp-v
It is not recommended to use variable differential pressure for solid fuel boiler pumps!
The Variable differential pressure operating mode is recommended in systems where it is advisable
to reduce the discharge pressure of the pump in parallel with the decreasing required flow rate.
A typical example is a heating circuit with radiators equipped with thermostatic valves, where the
selection of this operating mode can reduce the noise from thermostatic valves which is caused by
closing too many radiators in the system. This mode, on the other hand, is unsuitable for circuits with
heat sources where the reduction of the head and flow can make these sources even inoperable.
By reducing the discharge as the flow decreases, the pump‘s power consumption and therefore the
operating costs are significantly reduced (see graph Q-P). In larger heating circuits and in circuits
where there are significant differences in heating demand in separate heating zones, this mode may
temporarily cause insufficient heating. In these systems, it may be preferable to switch the pump to
Δp-c mode.
Performance curves
II
III
I
II
III
I
,500 ,511,0 2,0 2,5
,200 0,4 0,6 0,8
02468
0
1
2
3
4
5
6
0
10
20
30
40
50
60
0 ,50 1,0 ,51 2,0 2,5
3,0
10
3,0
0
10
20
30
40
Wilo-Para 25/6 p/kPa
H/m
P1/W
Q/m³/h
Q/l/s
Q/Igpm
Q/m³/h
Δp-v
max.
Δp-v (variabilní)
II
III
I
II
III
I
,500 ,511,0 2,0 2,5
,200 0,4 0,6 0,8
02468
0
1
2
3
4
5
6
0
10
20
30
40
50
60
0 ,50 1,0 ,51 2,0 2,5
3,0
10
3,0
0
10
20
30
40
Wilo-Para 25/6 p/kPa
H/m
P1
/W
Q/m³/h
Q/l/s
Q/Igpm
Q/m³/h
Δp-v
max.
Δp-v (variabilní)
H[m]
P1[W]
Q [m3/ h]
Q [m3/ h]
Δp-v (variable)
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CSE OTS W6 PUMP STATION - www.regulus.eu
Constant differential pressure Δp-c
The Constant differential pressure (constant delivery head) operating mode is suitable for hydraulic
circuits of heat sources (boilers, heat pumps, solar thermal systems etc.), hot water storage tanks,
heaters, underfloor heating systems and large heating circuits where the previous mode Δp-v could
cause insufficient heating through discharge reduction.
By decreasing the required flow, the pump maintains a constant delivery head, thus the pump power
consumption decrease is more gentle than in the Δp-v mode.
Performance curves
0 ,50 ,511,0 2,0 2,5
,200 0,4 0,6 0,8
1020 468
0
1
2
3
4
5
6
0
10
20
30
40
50
60
,500 ,511,0 2,0 2,5
3,0
3,0
0
10
20
30
40
III
I
II
III
I
II
Wilo-Para 25/6 p/kPa
H/m
P1/W
Q/m³/h
Q/l/s
Q/Igpm
Q/m³/h
max.
Δp-c
max.
Δp-c (konstantní)
0 ,50 ,511,0 2,0 2,5
,200 0,4 0,6 0,8
1020 468
0
1
2
3
4
5
6
0
10
20
30
40
50
60
,500 ,511,0 2,0 2,5
3,0
3,0
0
10
20
30
40
III
I
II
III
I
II
Wilo-Para 25/6 p/kPa
H/m
P1/W
Q/m³/h
Q/l/s
Q/Igpm
Q/m³/h
max.
Δp-c
max.
Δp-c (konstantní)
H[m]
P1[W]
Q [m3/ h]
Q [m3/ h]
Δp-c (constant)
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CSE OTS W6 PUMP STATION - www.regulus.eu
Constant speed
Constant speed operating mode means that the pump does not adjust its speed in any way depending
on the flow rate or discharge of the hydraulic circuit. The flow and discharge of the pump are thus
entirely dependent on the speed setting set (I, II, III) and the hydraulic circuit settings. This mode is
used when the more economical Δp-c mode is not suitable. This is the same mode as in the older
types of classic circulation pumps where the speed I, II, III was set by a selector switch.
For example, this mode may be suitable for older circuit types where flow is regulated by throttling
and this method required to be maintained. Furthermore, it may be suitable for solid fuel boilers that
are equipped with older types of TSV valves with balancing using a manual throttle valve, or in other
similar specific cases of requiring a constant pump performance.
Performance curves
I
III
II
I
III
II
,500 ,511,0 2,0 2,5
,200 0,4 0,6 0,8
20 64 8
0
1
2
3
4
5
7
0
10
20
30
40
50
70
660
,500 1,0 ,51 2,0 2,5
0
10
20
30
40
10
3,0
3,0
Wilo-Para 25/6 p/kPa
H/m
P1/W
Q/m³/h
Q/l/s
Q/Igpm
Q/m³/h
Konstantní otáčky I, II, III
I
III
II
I
III
II
,500 ,511,0 2,0 2,5
,200 0,4 0,6 0,8
20 64 8
0
1
2
3
4
5
7
0
10
20
30
40
50
70
660
,500 1,0 ,51 2,0 2,5
0
10
20
30
40
10
3,0
3,0
Wilo-Para 25/6 p/kPa
H/m
P1/W
Q/m³/h
Q/l/s
Q/Igpm
Q/m³/h
Konstantní otáčky I, II, III
H[m]
P1[W]
Q [m3/ h]
Q [m3/ h]
constant speed I, II, III
Ce manuel convient aux modèles suivants
1
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