Regulus CSE OTS W6 Manuale utente

www.regulus.eu

CSE OTS W6

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

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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)

POWER SUPPLY (1 ~ 230V, 50 Hz)

brown - L

blue - N

yellow-green - PE

OPERATING BUTTON

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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

Δp-v variable

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

min

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

III

,500 ,511,0 2,0 2,5

,200 0,4 0,6 0,8

02468

0 ,50 1,0 ,51 2,0 2,5

3,0

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)

III

,500 ,511,0 2,0 2,5

,200 0,4 0,6 0,8

02468

0 ,50 1,0 ,51 2,0 2,5

3,0

Wilo-Para 25/6 p/kPa

H/m

Q/m³/h

Q/l/s

Q/Igpm

Q/m³/h

Δp-v

max.

Δp-v (variabilní)

H[m]

P1[W]

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

,500 ,511,0 2,0 2,5

3,0

III

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

,500 ,511,0 2,0 2,5

3,0

III

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]

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

III

,500 ,511,0 2,0 2,5

,200 0,4 0,6 0,8

20 64 8

660

,500 1,0 ,51 2,0 2,5

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

III

,500 ,511,0 2,0 2,5

,200 0,4 0,6 0,8

20 64 8

660

,500 1,0 ,51 2,0 2,5

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]

constant speed I, II, III

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