Grundfos Rmq-a Bedienungsanleitung

RMQ-A

Installation and operating instructions

GRUNDFOS INSTRUCTIONS

Table of contents

RMQ-A

English (GB)

Installation and operating instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Deutsch (DE)

Montage- und Betriebsanleitung . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Dansk (DK)

Monterings- og driftsinstruktion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Español (ES)

Instrucciones de instalación y funcionamiento . . . . . . . . . . . . . . . . . . . . . . . . . 37

Français (FR)

Notice d'installation et de fonctionnement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Magyar (HU)

Telepítési és üzemeltetési utasítás. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Italiano (IT)

Istruzioni di installazione e funzionamento . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Nederlands (NL)

Installatie- en bedieningsinstructies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

Polski (PL)

Instrukcja montażu i eksploatacji . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

Português (PT)

Instruções de instalação e funcionamento . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

Appendix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114

Declaration of conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

English (GB)

English (GB) Installation and operating instructions

Original installation and operating instructions

CONTENTS

Page

1. Symbols used in this document

2. Delivery

The following has been supplied:

• RMQ rainwater unit

• wall mounting bracket with screws and rawlplugs

• level sensor, including 25 metres of cable

• installation and operating instructions.

Check that all parts are OK.

3. General description

The RMQ rainwater unit is designed for the

monitoring and control of rainwater utilisation

systems. The unit detects faults in the rainwater

utilisation system and makes the necessary

adjustments to ensure that the system is operating.

The RMQ also ensures that the system is operating

if the rainwater collecting tank (e.g. underground

tank) runs dry. The unit automatically ensures that

water is available at the points of consumption, such

as toilet and washing machine. The built-in three-

way valve switches between the mains-water hose

and the suction hose from the collecting tank.

The RMQ complies with EN 1717.

Application

• for the control of rainwater utilisation systems

• as domestic waterworks for the utilisation of

rainwater

• for operation in single- and two-family

households as well as for small enterprises.

The unit is also suitable for preventing backflow in

water supply systems.

Observe these precautions in water supply systems:

• Insert a plug in the suction port. See fig. 1, pos.

• Do not use a level sensor in the system.

• Finish the start-up procedure after section

7.1 Start-up via mains-water supply.

1. Symbols used in this document 4

2. Delivery 4

3. General description 4

4. Type key 5

5. Technical data 5

5.1 Operating conditions 5

5.2 Dimensions 5

6. Installation 6

6.1 Location 6

6.2 Mounting 6

6.3 Connection to overflow 6

6.4 Connection of mains-water pipe 7

6.5 Connection of suction hose (rainwater

collecting tank) 7

6.6 Connection of discharge hose 8

6.7 Level sensor installation 8

7. Start-up 9

7.1 Start-up via mains-water supply 9

7.2 Setting the collecting tank height 10

8. Control panel 11

9. Fault finding 13

10. Disposal 14

Warning

Prior to installation, read these installation

and operating instructions. Installation and

operation must comply with local

regulations and accepted codes of good

practice.

Warning

The use of this product requires

experience with and knowledge of the

product.

Persons with reduced physical, sensory or

mental capabilities must not use this

product, unless they are under supervision

or have been instructed in the use of the

product by a person responsible for their

safety.

Children must not use or play with this

product.

Warning

If these safety instructions are not

observed, it may result in personal injury.

Caution

If these safety instructions are not

observed, it may result in malfunction or

damage to the equipment.

Note

Notes or instructions that make the job

easier and ensure safe operation.

English (GB)

The RMQ components are shown in fig. 1.

Fig. 1 RMQ components

4. Type key

5. Technical data

5.1 Operating conditions

5.2 Dimensions

Fig. 2 Dimensional sketch (dimensions in mm)

TM04 6918 1110

Pos. Description

1 Cabinet

2Pump

3 Control panel

4 Mains-water hose

5 Discharge hose

6 Suction hose

7 Float valve

8 Mains-water tank

9 Emergency overflow

10 Overflow

Example RMQ 3 -45 A -A -W -A BVBP

Type range

Rated flow rate [m3/h]

Maximum head [m]

Code for control variant

A: Electronic control

Code for version

A: Standard

Code for pipe connection

W: Internal thread

Code for materials

A: Standard

Code for shaft seal

Flow, Qmax.

RMQ -35

RMQ -45

4.0 m3/h

4.5 m3/h

Head, Hmax.

RMQ -35

RMQ -45

35 m

45 m

Liquid temperature 0 °C to +35 °C

Maximum inlet pressure,

mains-water connection 6 bar

Maximum height to

highest point of

consumption

15 m

Supply voltage 230 VAC, 50 Hz

Power input during

standby Approx. 2.5 W

Rated power input

RMQ -35

RMQ -45

Approx. 850 W

Approx. 1000 W

Enclosure class IP42

Ambient temperature 0 °C to +45 °C

Mounting location Indoors

Weight 24 kg

Material, cabinet EPP foam

Material, pump Stainless steel/POM/

PPO

Material, mains-water

tank PE

Dimension, mains-water

hose 3/4"

Dimension, suction and

discharge hoses 1"

Dimension, overflow DN 70

Level sensor

Including 25 m cable

(the sensor cable must

be run through a

conduit)

TM02 5768 0609

400

English (GB)

6. Installation

6.1 Location

If the RMQ unit is installed below sewer level, the

overflow must be connected to a lifting station which

pumps the water up to sewer level in case of

overflow. See also section 6.3 Connection to

overflow.

Place the RMQ unit as follows:

• In a room with floor drain.

• At least 40 cm below the ceiling, measured from

the top of the unit. This distance is necessary to

be able to carry out maintenance and service

work, if required.

• On a plane wall in the vertical position.

6.2 Mounting

Procedure

1. Remove the wall bracket by pulling it downwards

until it disengages from the cabinet.

2. Fasten the wall bracket in the horizontal position

using the rawlplugs and screws supplied.

3. Mount the RMQ unit on the bracket.

6.3 Connection to overflow

Procedure

1. Remove the front part of the cabinet. See fig. 3.

Fig. 3 Removing the front part of the cabinet

2. Connect the socket of a DN 70 pipe to the

overflow pipe of the unit. See fig. 1, pos. 10.

3. Before fitting a bend, if required, check that the

DN 70 pipe has a vertical fall of minimum 50 cm.

Connect the overflow to the sewage system via a

vented pipe.

Fig. 4 Overflow to sewer, example 1

Fig. 5 Overflow to sewer, example 2

TM02 6378 0403

Note

The overflow pipe must be vented under

all conditions; otherwise a vacuum may

form, causing water to be drawn from the

collecting tank.

Note

The RMQ overflow does not function as a

water seal.

TM04 4089 0709

Pos. Description

1 Air vent cap

2 Water seal

TM04 4091 0709

Min. 0,5 m

English (GB)

6.4 Connection of mains-water pipe

The built-in float valve is designed for a maximum

pressure of 6,0 bar.

The float valve has a simple filter in the inlet. If the

mains water is particularly dirty, we recommend that

you fit a strainer in front of the inlet to the float valve.

Fig. 6 Filter in the inlet

We recommend that you fit an isolating valve in the

fixed installation.

Procedure

1. Connect the mains-water pipe to the mains-water

hose of the unit. See fig. 1, pos. 4.

2. Fasten the mains-water pipe with pipe clamps.

The first pipe clamp must be fitted at a maximum

distance of 10-15 cm from the unit.

3. Check that the float valve is positioned straight in

the mains-water tank. See fig. 7.

– The float must be able to move freely up and

down without touching the sides of the tank.

Fig. 7 The float valve seen from above

6.5 Connection of suction hose (rainwater

collecting tank)

The suction hose must be minimum 1" (25 mm

internal diameter).

Flush the suction hose before connecting it to the

RMQ unit. The suction hose must be fitted with a

suction filter (a floating suction filter is

recommended).

Fig. 8 Suction hose in collecting tank

Avoid bends in the suction hose.

The maximum suction height of the pump can be

determined on the basis of the diagram on page 114.

Example

If the suction height is 2,5 m, the length of the

suction hose must not exceed 24 m.

The suction hose must slope gradually upwards to

avoid air pockets.

Procedure

1. Connect the suction hose to the suction hose

union. See fig. 1, pos. 6.

– Tighten the union without damaging the O-ring.

2. Fasten the suction hose with hose clamps.

TM04 6914 1110

Caution

Do not push or pull the mains-water hose;

otherwise it may cause failure of the float

valve.

TM04 6915 1110

TM04 4088 0709

Pos. Description

1 Suction hose

2 Max. water level

3 Float

4 Suction filter

5 Level sensor

0.5m

English (GB)

6.6 Connection of discharge hose

We recommend that you fit an isolating valve on the

discharge side of the pump.

Procedure

1. Connect the pump discharge hose (fig. 1, pos. 5)

to the water installation, such as the toilet.

2. Fasten the suction hose with hose clamps. The

first hose clamp must be fitted at a maximum

distance of 10-15 cm from the unit.

6.7 Level sensor installation

Procedure

1. Gently lower the sensor cable with sensor into

the collecting tank and lay the sensor on the

bottom of the tank. See fig. 9.

– Lay a minimum of 0,5 metre of sensor cable on

the bottom of the tank.

2. For correct display of water level, measure the

maximum water level in the collecting tank.

– Measure from the bottom of the tank to the

overflow (for the purpose of calibration of the

level sensor). See section 7.2 Setting the

collecting tank height.

Fig. 9 Level sensor installed in collecting tank

Sensor cable for level sensor

Recommendation: Connect the collecting tank to

the RMQ unit with a pipe (e.g. DN 100). The sensor

cable and the suction hose can be run through this

pipe.

• Avoid water ingress into the sensor cable. Keep

the tape on the cable during the installation.

• Adjust the cable length and connect the cable to

the unit. Connect the two stripped wires to the

terminals of the unit. See fig. 10.

– The wires can be fitted randomly.

• Remove the tape from the sensor cable.

Fig. 10 Terminal connection to the sensor cable,

the unit seen from below

TM04 4088 0709

Pos. Description

1 Suction hose

2 Max. water level

3 Float

4 Suction filter

5 Level sensor

0.5m

Note

The sensor cable must be run through a

conduit.

Note

The pressure sensor only functions when

air can freely enter and exit from the pipe/

hose.

TM04 6919 1110

English (GB)

7. Start-up

The RMQ unit is started up via the mains-water

supply. The RMQ is factory-set to mains-water

operation "Only". See section 8. Control panel.

7.1 Start-up via mains-water supply

Procedure

1. Turn on the water supply.

– The mains-water tank is automatically filled

with water.

2. Loosen the air vent screw of the pump. See fig.

11.

– The pump will automatically be filled with water

within approx. 1 minute.

Fig. 11 Pump air vent screw

3. Retighten the air vent screw after approx. 1

minute.

4. Open the isolating valve on the discharge side (if

fitted) and the connected points of consumption,

such as toilet and tap.

5. Switch on the power supply.

– The pump starts and the indicator light "Only"

on the control panel is on (mains-water

operation). If the indicator light is off, set the

unit to "Only" by pressing the button. See

section 8. Control panel.

6. If the pump does not start immediately, briefly

press the [On/Off] button. See section 8. Control

panel.

– The unit switches on, and the pump starts after

a few seconds.

7. Close the connected points of consumption as

soon as airless water starts running out.

– Maximum pressure is generated, and the pump

stops again after 15 seconds (stop delay).

The unit is now ready for operation.

To cut in the collecting tank, there must be a

minimum of 0,3 metre of water above the level

sensor.

8. Set the unit to "Auto" by pressing the button. See

section 8. Control panel.

9. Wait for approx. 10 seconds.

10. Turn on the points of consumption, such as toilet

and tap.

– Due to the pressure drop, the pump starts

automatically and will then start to self-prime.

If the priming has not been completed within 1

minute, the pump stops automatically (the red

"Alarm" indicator light is on). See section

8. Control panel.

Restarting:

Press [On/Off] once to reset the alarm

indication. Press the button again to start the

pump.

11. Close the points of consumption again as soon

as airless water starts running out.

12. Fit the front part of the cabinet.

The system is ready for operation.

Note

The float valve automatically controls the

mains-water supply.

TM02 6385 0403

English (GB)

7.2 Setting the collecting tank height

The height is the distance from the bottom of the

tank to the overflow.

Setting the collecting tank height on the control panel

is only necessary if you require exact display

indication of the water level.

The RMQ unit operates independently of this setting

as the system switches automatically to mains-water

supply when the water level in the collecting tank is

approx. 0,3 metre.

The unit can be set to display correct water level in

the collecting tank. The setting can be made using a

screwdriver. See fig. 12.

Fig. 12 Setting the height

Procedure

1. Remove the rubber plug from the potentiometer.

See section 8. Control panel, pos. 2.

2. To activate the setting, turn the potentiometer

approx. 45 °.

3. Turn the potentiometer to the maximum water

depth in the collecting tank. Do as follows: Turn

the potentiometer until the desired height is

shown in the display. See the table.

4. Press [Reset] to store the setting. An acoustic

signal confirms the operation.

5. Insert the rubber plug.

Significance of the display reading during the setting

process.

Examples:

Example: If the water level is set to max. 1 m, the 50

% display reading means that the water level in the

tank is 0,5 m.

TM02 6381 0403

Display reading

Height [m] Permanently on Flashing

1.0 10 % 100 %

1.1 10 % 10 %

1.2 10 % 20 %

1.3 10 % 30 %

1.4 10 % 40 %

1.5 10 % 50 %

2.0 10 % / 20 %

2.1 20 % 10 %

2.2 10 % 20 %

2.3 10 % / 20 % 30 %

Height [m] Display reading

1.0 10 % on, 100 % flashing.

1.1 10 % flashing.

1.3 10 % on, 30 % flashing.

1.4 10 % on, 40 % flashing.

2.5 10 % + 20 % on, 50 % flashing.

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