Resol DeltaSol Fresh 20 Owner's manual

*11210905*

11210905

Thank you for buying this product.

Please read this manual carefully to get the best performance from this unit.

Please keep this manual safe.

Manual

Installation

Operation

Commissioning

Manual for the

specialised craftsman

DeltaSol Fresh®20

www.resol.de

Subject to technical change. Errors excepted.

Safety advice

Please pay attention to the following safety advice in order to avoid danger and

damage to people and property.

Instructions

Attention must be paid to the valid local standards, regulations and directives!

Information about the product

Proper usage

The controller may only be used in technically suitable systems in compliance with

the technical data specied in these instructions. Due to its design the controller

must be mounted and operated as described in these instructions!

Improper use excludes all liability claims.

CE Declaration of conformity

The product complies with the relevant directives and is therefore

labelled with the CE mark. The Declaration of Conformity is available

upon request, please contact the manufacturer.

Target group

These instructions are exclusively addressed to authorised skilled personnel.

Only qualied electricians should carry out electrical works.

Initial installation must be effected by the system owner or qualied personnel

named by the system owner.

Description of symbols

WARNING! Warnings are indicated with a warning triangle!

ÎThey contain information on how to avoid the danger

described.

Signal words describe the danger that may occur, when it is not avoided.

• WARNING means that injury, possibly life-threatening injury, can occur.

• ATTENTION means that damage to the appliance can occur.

Note

Notes are indicated with an information symbol.

ÎArrows indicate instruction steps that should be carried out.

Navigator

Installation page 4

For the electrical connection of the controller, see page 4.

Commissioning page 6

For commissioning the controller after the installation, see page 6.

Settings page 11

For making adjustments, see page 11.

Contents

1 Overview .............................................................................................. 4

2 Installation of the controller .............................................................. 4

2.1 Overview........................................................................................................................4

2.2 Outputs ..........................................................................................................................5

2.3 Sensors ...........................................................................................................................5

2.4 Mains connection .........................................................................................................5

2.5 Data communication / Bus ..........................................................................................6

3 Commissioning of the controller....................................................... 6

3.1 Operation.......................................................................................................................6

3.2 Commissioning menu..................................................................................................7

3.3 Menu structure .............................................................................................................8

3.4 Selection menu..............................................................................................................9

3.5 Status menu ...................................................................................................................9

3.6 Balance values ............................................................................................................ 10

4 Settings............................................................................................... 11

4.1 DHW heating menu ................................................................................................. 11

4.2 Emergency operation menu.................................................................................... 12

4.3 Circulation menu....................................................................................................... 12

4.4 Disinfection................................................................................................................. 15

4.5 Miscellaneous menu.................................................................................................. 16

4.6 Manual mode menu................................................................................................... 17

4.7 User code.................................................................................................................... 17

4.8 Reset ............................................................................................................................ 17

5 Troubleshooting................................................................................. 18

6 Accessories ........................................................................................ 20

6.1 Sensors and measuring instruments ..................................................................... 20

6.2 Interface adapters...................................................................................................... 20

7 Index ................................................................................................... 21

1 Overview

• Pre-assembled with all electrical components and ready to plug in

for easy commissioning

• DHW heating to a set temperature

• Digital VFD 2 - 40 Fast Grundfos Direct Sensor™

• Quick reaction to changes in the draw-off ow rate

• Circulation function (temperature-, time- and demand-controlled)

Technical data

Inputs: 3 inputs for Pt1000, 2 digital Grundfos Direct Sensor™ (VFD 2 - 40 Fast)

Outputs: 2 semiconductor relays, 1 PWM output

Switching capacity: 1 (1) A (100…240 V~) (semiconductor relay)

Total switching capacity: 2 A 240V~

Power supply: 100 ... 240V~ (50…60 Hz)

Supply connection: typeY attachment

Power consumption: < 1 W (standby)

Mode of operation: type 1.Y

Rated impulse voltage: 2.5 kV

Data interface: RESOL VBus®

VBus®current supply: 35 mA

Housing: plastic, PC-ABS and PMMA

Mounting: wall mounting, mounting into patch panels is possible

Indication/Display: System-Monitoring-Display

Operation: 3 push buttons

Ingress protection: IP 20/ EN 60529

Protection class: I

Ambient temperature: 0…40 °C

Pollution degree: 2

Dimensions: 172 x 110 x 46 mm

2 Installation of the controller

2.1 Overview

WARNING! Electric shock!

Upon opening the housing, live parts are exposed!

ÎAlways disconnect the device from power supply

before opening the housing!

ATTENTION! ESD damage!

Electrostatic discharge can lead to damage to electronic com-

ponents!

ÎTake care to discharge properly before touching

the inside of the device!To do so, touch a grounded

surface such as a radiator or tap!

Note

Connecting the device to the power supply must always be the last step

of the installation!

Note

It must be possible to disconnect the device from the mains at any time.

ÎInstall the mains plug such that it is accessible at any time.

ÎIf this is not possible, install a switch that can be accessed.

Do not use the device if it is visibly damaged!

Mains connection (100 … 240 V~) is to be carried out by means of the pre-con-

nected mains cable. Only qualied electricians may carry out electrical works. At-

tention must be paid to the valid local standards, regulations and directives!

Make sure the hydraulic system is properly grounded!

Te mp. Sensor Pt1000

S2 S3 VBus

PWM

NR2

IP 20

Digital

Sensor

1 (1) A (100 ... 240) V~

R2 1 (1) A (100 ... 240)V~

12 13

100 ... 240 V~

50-60 Hz

T4A

18 19

Primärseite Sekundärseite

VFD

KWSp_RL

Sp_VL

R1/PWM

primary side secondary side

2.4 Mains connection

Te mp. Sensor Pt1000

S2 S3 VBus

PWM

NR2

IP 20

Digital

Sensor

1 (1) A (100 ...

240) V~

R2 1 (1) A (100 ...

240) V~

12 13

100 ... 240 V~

50-60 Hz

T4A

18 19

DE-33659 Bielefeld

nemux

The power supply of the device must be carried out via an external switch and has

to be 100 … 240 V~ (50 … 60 Hz). Flexible cables are pre-connected with strain

reliefs and the corresponding screws.

• Connect the mains cable to the following terminals:

18 = Neutral conductor N

19 = Conductor L

13 = Protective conductor PE ⏚

2.2 Outputs

The controller is equipped with 2 semi-conductor relays:

• Relay 1 (primary pump) is used for power supply of the primary pump:

R1 = Output R1

N = Neutral conductor N

PE = Protective conductor PE ⏚

• Relay 2 (secondary pump) is used without speed control:

R2 = Output R2

N = Neutral conductor N

PE = Protective conductor PE ⏚

The controller is additionally equipped with a PWM output for connecting high-ef-

ciency pumps:

Te mp. Sensor Pt1000

S2 S3

VBus

PWM

NR2

IP 20

Digital

Sensor

1 (1) A (100 ... 240) V~

R2 1 (1) A (100 ... 240) V~

12 13

100 ... 240 V~

50-60 Hz

T4A

18 19

DE-33659 Bielefeld

nemux

PWM output, GND

PWM output, control signal

The PWM output is used for speed control of the primary pump

2.3 Sensors

Te mp.

Sensor Pt1000

S2 S3

VBus

PWM

NR2

IP 20

Digital

Sensor

1 (1) A (100 ... 240) V~

R2 1 (1) A (100 ... 240) V~

12 13

100 ... 240 V~

50-60 Hz

T4A

18 19

DE-33659 Bielefeld

nemux

The controller is equipped with 4 sensor inputs in total.

• Temperature sensors have to be connected to the terminals S1 … S3 (either

polarity).

• Connect the Grundfos Direct SensorTM to the upper Digital Sensor input.

Adjusting values

minimum

value

adjusted value

(not yet con rmed)

maximum

value

current value saved

ÎAdjust the value with buttons 1 or 2, brie y press the button 3; the adjustment

range is displayed as a slide bar.

ÎAdjust the desired value with buttons 1 and 2.

The value is displayed with the handle of the slide bar. Until the new value is saved,

the previously stored value is displayed on the upper right-hand side of the display.

ÎBrie y press button 3 to con rm the adjustment.

ÎPress button 3 again in order to store the adjustment and to get back to the

adjustment menu.

If button 3 is not pressed after an adjustment has been made, the display switches

back to the menu after a few seconds.The adjusted value will not be stored.

Selecting a function or option

ÎSelect the function or option with buttons 1 or 2, then brie y press button 3.

ÎSelect Ye s to activate, or No to deactivate the function. Brie y press button

3 to con rm the selection.

2.5 Data communication / Bus

Te mp. Sensor Pt1000

S2 S3

VBus

PWM

NR2

IP 20

Digital

Sensor

1 (1) A (100 ... 240) V~

R2 1 (1) A (100 ... 240) V~

12 13

100 ... 240 V~

50-60 Hz

T4A

18 19

DE-33659 Bielefeld

nemux

VBus®terminals

The controller is equipped with aVBus®for data transfer with and energy supply to

external modules.The connection is to be carried out at the two terminals marked

VBus (any polarity).

3 Commissioning of the controller

3.1 Operation

backwards (-)

selection / adjustment mode

(OK)

forwards (+)

The controller is operated via the 3 buttons below the display. Button 1 (+) is

used for scrolling forwards through the menu and increasing adjustment values.

Button 2 (-) is used for the opposite direction. Button 3 (OK) is used for se-

lecting channels and con rming adjustments.

3.2 Commissioning menu

backwards (-)

selection /

adjustment mode

forwards (+)

ÎConnect the device to the mains

The controller runs an initialisation phase.

When the controller is commissioned or when it is reset, it will run a commission-

ing menu. The commissioning menu leads the user through the most important

adjustment channels needed for operating the system.

Adjustment mode

Operation

Changing a value

Con rming a value

to the next

parameter

The commissioning menu consists of the channels described in the following.

Language

ÎAdjust the desired menu language.

Date

ÎAdjust the date. First of all adjust the year, then the month and then the day.

Time

ÎAdjust the clock time. First of all adjust the hours, then the minutes.

HW set temp.

ÎAdjust the hot water set temperature.

Note

In order to use the circulation function, a circulation unit is required!

Circulation

ÎAdjust the circulation mode.

No = no circulation

Thermal = temperature-controlled circulation, with timer (optional)

Demand = Circulation with draw-off detection

Therm.+Dem.= temperature-controlled circulation with additional draw-off

detection, with timer (optional)

Depending on the circulation mode selected, further adjustment channels will ap-

pear:

Calibration

Automatic secondary circuit  ow rate detection and measurement while the

secondary pump is active (for further information about the offset see page

13)

ÎIn order to carry out the calibration press button 3.

Note

If a circulation is implemented, make sure to run a calibration! Until the

calibration has been carried out, the secondary pump is blocked!

In this case, the acknowledgeable message Run calibr. circ. pump is

displayed.

Ton circ.

ÎAdjust the switch-on temperature for the circulation (only if circulation

mode = Thermal or Therm.+Dem.).

Toff circ.

ÎAdjust the switch-off temperature for the circulation.

Circ. run.

ÎAdjust the runtime for the secondary pump (only if circulation mode = De-

mand or Therm.+Dem.).

ÎSelect the menu item OK

Note

In order to ensure DHW heating also in the case of a sensor fault,

please see chap. 4.2.

3.3 Menu structure

system status

current date current time

currently adjusted

HW set temperature

date of the last draw-off

operation status display

During normal operation, the main display is shown.

Main display

The main display shows the current date and time, the set temperature, date and

time of the last draw-off, operation status and system status.

Operation status display

The operation status display always shows one of the following status:

Ready: Water heating possible upon draw-off

Draw-off: Draw-off in process

BP: Blocking protection active (non-adjustable: daily at 12:00 o'clock,

runtime: 6 s)

0 DHW: No DHW heating possible

!Tmax off: Maximum temperature limitation active

Circ. active: Circulation active

Emergency operation: Emergency operation active

System status

The system status is displayed graphically as a smiley.The different smiley faces have

the following meanings:

= System OK

= Warning

= Error

If the circulation  ow rate calibration has not yet been carried out, the message No

Calibration will be displayed as a system status warning:

The type of warning or error that has occurred will be displayed as a status in the

operating status display.

Warning and error messages are marked by a triangle in the status menu ⚠.

3.4 Selection menu

In the selection menu, different submenus can be selected and several values can

be adjusted.

ÎIn order to get from the main display to the selection menu, brie y press a

button.

ÎSelect the desired submenu by pressing buttons 1 and 2, and con rm with

button 3.

3.5 Status menu

In this menu, status and error messages as well as current measured values are

displayed.

Possible warnings and error messages

⚠Sensor defective

This message indicates a sensor fault.The name of the defective sensor or sensors

is displayed below:

VFD secondary circuit

The VFD sensor in the secondary circuit is defective.

T-St  ow

The temperature sensor in the store  ow is defective.

T-Circ.

The temperature sensor in the secondary circuit is defective.

⚠Calibration circ. pump

The circulation  ow rate offset has not yet been carried out. The secondary pump

is blocked.

Measured and display values

Emergency operation

Primary pump emergency operation is active.

T-St.  ow

Display range: 0 … 100 °C, defective

Indication of the store  ow temperature in °C.

Disinfection active

Thermal disinfection is active.

Overrun active

Overrun is active.

T-HW

Display range: 0 … 100 °C, defective

Indication of the hot water temperature in °C.

Hygiene rem.

Display range: 0 … 60 min

Indication of the remaining time of the hygiene disinfection mode in min.

Decontamin. rem.

Display range: 0 … 240 min

Indication of the remaining time of the decontamination disinfection mode in min.

Overrun rem.

Display range: 0 … 60 min

Indication of the remaining overrun time of the decontamination disinfection

mode in min.

Draw-off

Display range: 0 … 45 l/min, defective

Indication of the  ow rate at the VFD in the secondary circuit.

Circulation

Display range:Active, Inactive

Indication of the circulation status.

Note

In order to use the circulation, a circulation unit is required!

T-Circ.

Display range: 0 … 100 °C, defective

Indication of the temperature in the secondary circuit.

Time

Display range: 00:00 … 23:59

Indication of the current clock time.

Date

Display range: 01.01.2001 … 31.12.2099

Indication of the current date.

SW version

Indication of the software version number.

Hydraulic

Indication of the hydraulic variant adjusted.

3.6 Balance values

In this menu, balance values are displayed.Values that are not measured will not

be displayed.

Resetting balance values

Setting the balance values back to 0 is only possible in the expert level.

In order to set a balance value back to 0, proceed as follows:

ÎScroll to the desired value.

ÎSelect the value by pressing button 3.

A security enquiry appears.

ÎCon rm the security enquiry by selecting Ye s .

The balance value has been set back to 0.

In order to set all balance values back to 0, select the menu item Reset all.

A security enquiry appears.

ÎCon rm the security enquiry by selecting Ye s .

All balance values have been set back to 0.

Operation

Indication of the operating days since controller connection.

Draw-off qty

Indication of the draw-off quantity since commissioning in m³. Only values higher

than the adjusted draw-off threshold will be displayed.

T-St._ min

Indication of the store  ow minimum temperature in °C.

T-St._ max

Indication of the store  ow maximum temperature in °C.

T-HW min

Indication of the hot water minimum temperature in °C.

T-HW max

Indication of the hot water maximum temperature in °C.

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