Resol DeltaSol CS Plus User manual

*11202673*

11202673

Thank you for buying this RESOL product.

Read this manual carefully to get the best perfomance from this unit.

Please keep this manual carefully.

DeltaSol®CS Plus

www.resol.com

Manual

Mounting

Connection

Application examples

Operation

Troubleshooting

version 1.10

Information about the product

Proper usage

The solar controller is designed for use in solar thermal systems and heating sys-

tems in compliance with the technical data speciﬁed in this manual.

Improper use excludes all liability claims.

CE Declaration of conformity

The product complies with the relevant directives and is therefore la-

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

upon request, please contact the manufacturer.

Note

Strong electromagnetic ﬁelds can impair the function of the controller.

ÎMake sure the controller as well as the system are not exposed to

strong electromagnetic ﬁelds.

Disposal

• Dispose of the packaging in an environmentally sound manner.

• Dispose of old appliances in an environmentally sound manner. Upon request

we will take back your old appliances bought from us and guarantee an envi-

ronmentally sound disposal of the devices.

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!

Target group

These instructions are exclusively addressed to authorised skilled personnel.

Only qualiﬁed electricians should carry out electrical works.

Initial installation must be effected by qualiﬁed personnel named by the manufac-

turer.

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.

Contents

1 Installation ........................................................................................... 5

1.1 Mounting ........................................................................................................................5

1.2 Electrical connection ...................................................................................................5

1.3 VFD Grundfos Direct Sensor™...............................................................................7

1.4 PWM outputs................................................................................................................7

1.5 Data communication / Bus ..........................................................................................7

1.6 Terminal allocation in the different system layouts ..............................................8

2 Operation and function .................................................................... 46

2.1 Push buttons............................................................................................................... 46

2.2 System-Monitoring-Display ..................................................................................... 46

2.3 Flashing codes ............................................................................................................ 47

3 Commissioning.................................................................................. 48

4 Channel overview .............................................................................. 51

4.1 Display channels......................................................................................................... 51

4.2 Adjustment channels ................................................................................................ 54

5 Troubleshooting................................................................................. 67

5.1 Various......................................................................................................................... 68

6 Accessories ........................................................................................ 70

Overview

• System-Monitoring-Display

• Up to 4 Pt1000 temperature sensors

• 2 semiconductor relays for pump speed control

• 10 basic system layouts to choose from

• 1 input for aVFD Grundfos Direct Sensor™

• Heat quantity measurement

• VBus®

• Function control

• Thermostat function (time-controlled)

• Control of the system by ServiceCenter software possible

• User-friendly operation

• Housing with outstanding design

• Extra-low power consumption

• HE pump control

• Drainback option

Technical data

Inputs: 4 Pt1000 temperature sensors, 1 VFD Grundfos Direct Sensor™

Outputs: 2 semiconductor relays, 2 PWM outputs

PWM frequency: 512 Hz

PWM voltage: 10,5 V

Switching capacity:

R1: 1 (1) A 100 ... 240 V~ (semiconductor relay)

R2: 1 (1) A 100 ... 240 V~ (semiconductor relay)

Total switching capacity: 2 A 240 V~

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

Supply connection: type Y attachment

Power consumption: < 1 W (standby)

Mode of operation: type 1.C.Y action

Rated impulse voltage: 2.5 kV

Data interface: RESOL VBus®

VBus®current supply: 35 mA

Functions: function control, operating hours counter, tube collector function,

thermostat function, speed control, drainback option with booster function and

heat quantity measurement

Housing: plastic, PC-ABS and PMMA

Mounting: wall mounting, mounting into patch panels is possible

Indication / Display: System-Monitoring-Display for visualisation of systems,

16-segment and 7-segment display, 8 symbols for indication of system status

Operation: 3 push buttons at the front

Ingress protection: IP 20 / EN 60529

Protection class: I

Ambient temperature: 0 … 40 °C [32 … 104 °F]

Pollution degree: 2

Dimensions: 172 x 110 x 46 mm

110

172

1 Installation

WARNING! Electric shock!

Opening the housing will expose live parts!

ÎSwitch off power supply and disconnect the device from

power supply before opening the housing!

1.1 Mounting

The unit must only be installed

• in a dry interior location

• in a non-hazardous location

• away from electromagnetic ﬁelds

The controller must additionally be supplied from a double-pole switch with con-

tact gap of at least 3 mm. Route sensor cables and power supply cables separately.

ÎUnscrew the cross-head screw from the cover and remove it along with the

cover from the housing

ÎMark the upper fastening point on the wall and drill

ÎFasten the enclosed wall plug and screw leaving the head protruding

ÎHang the housing from the upper fastening point and mark the lower fastening

point through the hole in the terminal box (centers 130 mm)

ÎDrill and insert the lower wall plug

ÎFasten the housing to the wall with lower fastening screw and tighten

ÎComplete wiring connections in accordance with terminal allocations, see

chap. 2.2 “Electrical connection”

ÎPlace the cover back onto the housing

ÎFasten the cover by means of the cross-head screw

display

cable conduits

with strain relief

cover push

button

fuse 2A

130

upper

fastening

lower fastening

1.2 Electrical connection

WARNING! 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:

The minimum pump speed must be set to 100% when auxiliary relays or

valves are connected.

Note:

The mains connection must be carried out with the common ground

of the building to which the pipework of the solar thermal system is

connected.

1 (1) A 240 V~

2019

171615

14131212

NR2

IP 20

T2A

100 ... 240 V~

50-60 Hz

Temp. Sensor Pt1000

S2S1 S3 S4 VBus

PWM 1/2

VFD

Made in Germany

DeltaSol®CS Plus

345678910

PE and load terminals

Connecting the device to the mains supply must always be the last step of the

installation!

The power supply to the controller must be carried out via an external power

switch (last step!).The supply voltage must be 100…240V~ (50 … 60 Hz). Flexible

cables must be attached to the housing with the enclosed strain relief and the

corresponding screws.

The controller is equipped with two semiconductor relays, to which loads such as

pumps, valves etc. can be connected:

Relay 1 Relay 2

18 = conductor R1 16 = conductor R2

17 = neutral conductor N 15 = neutral conductor N

13 = protective conductor 14 = protective conductor

The mains supply is to be carried out at the terminals:

19 = neutral conductor N

20 = conductor L

12 = protective conductor ⏚

The temperature sensors (S1 up to S4) are to be connected to the following

terminals with either polarity:

1 / 2 = Sensor 1 (e.g. Sensor collector 1)

3 / 4 = Sensor 2 (e.g. Sensor store 1)

5 / 6 = Sensor 3 (e.g. Sensor store top)

7 / 8 = Sensor 4 (e.g. Sensor return)

All Pt1000 temperature sensors are equipped with a platinum measuring element

in their tip.The electrical resistance of the measuring element changes in relation

to the temperature (see table in chap. 5).

The difference between FKP and FRP type sensors only lies in the cable insu-

lation material.The insulation material of FKP type sensor cables resists a higher

temperature, so that FKP type sensors should be used as collector sensors. FRP

type sensors are best used as reference sensors in stores or pipes.

1 (1) A 240 V~

2019

17161514131212

NR2

IP 20

T2A

100 ... 240 V~

50-60 Hz

Temp. Sensor Pt1000

S2S1 S3 S4 VBus

PWM 1/2

VFD

Made in Germany

DeltaSol®CS Plus

345678910

Sensor terminals S1 … S4

fuse

VBus®power supply terminals

load terminalssensor terminals PE terminals

1 (1) A 240 V~

2019

171615

14131212

NR2

IP 20

T2A

100 ... 240 V~

50-60 Hz

Temp. Sensor Pt1000

S2S1 S3 S4 VBus

PWM 1/2

VFD

Made in Germany

DeltaSol®CS Plus

345678910

1.3 VFD Grundfos Direct Sensor™

The controller is equipped with 1 input for a digitalVFD Grundfos Direct Sensor™

for measuring the ﬂow rate and the temperature. Connection is made at the VFD

terminal (bottom left).

1.4 PWM outputs

The speed of a HE pump is adjusted through a PWM signal. In addition to con-

nection to the relay, the pump must be connected to one of the PWM outputs of

the controller.

Power is supplied to the HE pump by switching the corresponding relay on or off.

The terminals marked „PWM 1/2“ are control outputs for pumps with PWM con-

trol input.

1 = PWM output 1, control signal

2 = PWM output 1, GND

3 = PWM output 2, GND

4 = PWM output 2, control signal

1 (1) A 240 V~

2019

171615

14131212

NR2

IP 20

T2A

100 ... 240 V~

50-60 Hz

Temp. Sensor Pt1000

S2S1 S3 S4 VBus

PWM 1/2

VFD

Made in Germany

DeltaSol®CS Plus

345678910

1.5 Data communication / Bus

1 (1) A 240 V~

2019

171615

14131212

NR2

IP 20

T2A

100 ... 240 V~

50-60 Hz

Temp. Sensor Pt1000

S2S1 S3 S4 VBus

PWM 1/2

VFD

Made in Germany

DeltaSol®CS Plus

345678910

VBus®

connection terminals

The controller is equipped with a RESOL VBus®for data transfer with and energy

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

“VBus” (either polarity). One or more RESOL VBus®modules can be connected

via this data bus, such as

• GA3 Large Display, SD3 Smart Display

• DL3 Datalogger

• DL2 Datalogger

• VBus®/ USB or VBus®/ LAN interface adapter

• AM1 Alarm Module

• WMZ calorimeter module

By means of a Datalogger or an interface adapter, the controller can be connected

to a PC or a computer network. Different solutions for visualisation and remote

parameterisation are availabe on the RESOL website www.resol.com.

1.6 Terminal allocation in the different system layouts

910

VBus

PWM 1/2

VFD

S4 / VFD / TR

S4 / VFD / TFL

R1 S3 /TSTT

R1 R2

exemplary

Drainback system layout

(with booster pump)

System layout 1

The controller calculates the temperature difference between collector sensor

S1 and store sensor S2. If the difference is larger than or identical to the adjusted

switch-on temperature difference (DT O), the solar pump will be operated by

relay 1, and the store will be loaded until the switch-off temperature difference

(DT F) or the maximum store temperature (S MX) is reached.

Sensors S3 and S4 can optionally be connected for measurement purposes. S3 can

optionally be used as reference sensor for the store emergency shutdown option

(OSEM).

If heat quantity measurement (OHQM) is activated, S4 andVFD are to be connect-

ed as ﬂow and return sensors respectively.

If the drainback option (ODB) is activated, relay 2 can be used to operate a boost-

er pump by activating the booster function (OBST).

Display Channels

Channel Description Terminal Page

INIT x* ODB initialisation active - 51

FLL x* ODB ﬁlling time active - 51

STAB x* ODB stabilisation in progress - 51

COL x Temperature collector S1 51

TST x Temperature store S2 51

S3 x Temperature sensor 3 S3 51

TSTT x* Temperatur store at the top S3 51

S4 x Temperature sensor 4 S4 51

TFL x* Temperature ﬂow sensor S1 / S4 /VFD 51

TR x* Temperature return sensor S4 /VFD 51

VFD x* Temperature Grundfos Direct Sensor™ VFD 51

L/h x* Flow rate Grundfos Direct Sensor™ VFD 52

n % x Pump speed R1 R1 52

hP x Operating hours R1 R1 54

hP1 x* Operating hours R1 (if OBST is activated) R1 54

hP2 x* Operating hours R2 (if OBST is activated) R2 54

kWh x* Heat quantity kWh - 52

MWh x* Heat quantity MWh - 52

TIME x Time - 52

Adjustment Channels

Channel Description Factory setting Page

Arr x System 1 54

DT O x Switch-on temperature difference R1 6.0 K [12.0 °Ra] 54

DT F x Switch-off temperature difference R1 4.0 K [8.0 °Ra] 54

DT S x Nominal temperature difference R1 10.0 K [20.0 °Ra] 54

PUM1 x Pump control type R1 PSOL 55

RIS x Rise control R1 2 K [4 °Ra] 55

nMX x Maximum pump speed R1 100 % 55

nMN x Minimum pump speed R1 30 % 55

S MX x Maximum store temperature 60 °C [140 °F] 56

OSEM x Option store emergency shutdown OFF 56

EM x Emergency temperature collector 130 °C [270 °F] 56

Emergency temperature collector if ODB is activated: 95 °C [200 °F] 56

OCC x Option collector cooling OFF 57

CMX x* Maximum collector temperature 110 °C [230 °F] 57

OSYC x Option system cooling OFF 57

Adjustment Channels

Channel Description Factory setting Page

DTCO x* Cooling switch-on temperature difference 20.0 K [40.0 °Ra] 57

DTCF x* Cooling switch-off temperature difference 15.0 K [30.0 °Ra] 57

OSTC x Option store cooling OFF 57

OHOL x* Option holiday cooling OFF 57

THOL x* Holiday cooling temperature 40 °C [110 °F] 59

OCN x Option minimum limitation OFF 59

CMN x* Minimum collector temperature 10 °C [50 °F] 59

OCF x Option antifreeze OFF 59

CFR x* Antifreeze temperature 4.0 °C [40.0 °F] 59

O TC x Option tube collector OFF 61

TCST x* OTC starting time 07:00 61

TCEN x* OTC ending time 19:00 61

TCRU x* OTC runtime 30 s 61

TCIN x* OTC standstill interval 30 min 61

GFD x Grundfos Direct Sensor™ OFF 61

OHQM x Option heat quantity measurement OFF 63

SEN x* VFD allocation 2 63

FMAX x* Maximum ﬂow 6.0 l/min 63

MEDT x* Antifreeze type 1 63

MED% x* Antifreeze concentration (only if MEDT = propylene or ethylene) 45 % 63

ODB x Drainback option OFF 64

tDTO x* ODB switch-on condition - time period 60 s 64

tFLL x* ODB ﬁlling time 5.0 min 64

tSTB x* ODB stabilisation time 2.0 min 64

OBST s* Option booster function OFF 64

MAN1 x Manual operation R1 Auto 64

MAN2 x Manual operation R2 Auto 64

LANG x Language En 64

UNIT x Temperature unit °C 64

RESE x Reset - back to factory settings 64

######## Version number

Legend:

Symbol Speciﬁcation

x Channel is available

x* Channel is available if the corresponding option is activated.

s Channel is speciﬁcally available in this system layout

s* System-speciﬁc channel, only available if the corresponding option is activated

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