DeDietrich SOLNEO SGC 24 SOL Manual

FLOOR-STANDING GAS-FIRED CONDENSING BOILER

Floor-standing gas condensing boiler with integrated solar DHW calorifier

for connecting up to 4 m2of solar collectors.

All-in-one multi-energy solution, combining a compact, efficient, easy-to-

install condensing boiler and a 200-litre double coil solar DHW tank placed

directly under the boiler.

CONDITIONS OF USE

Boiler:

Min. flow temperature: 15°C

Min. return temperature: none

Max. operating temperature: 90°C

Max. operating pressure: 3 bar

Thermostat adjustable from 30 to 90°C

Safety thermostat: 110°C

Power supply: 230 V/50 Hz

Protection index: IPX 2D

Domestic hot water calorifier:

DHW temperature adjustable from 40 to 60°C

Max. DHW operating pressure (tank + exchangers): 10 bar

Solar circuit:

Max. operating temperature: 130°C

Max. operating pressure: 6 bar

HOMOLOGATION

B23P, C13x, C33x, C53

GAZ CATEGORY

Fitted and preset to operate on natural gases

Butane or propane operating by modifying the setting

SGC 24 SOL

SGC 24 SOL: 6 to 23,7 kW for heating and solar domestic

hot water

SOLNEO

Heating and solar domestic

hot water

Condensing

All natural gases, Butane,

Propane

Solar energy

EC identification No.:

0085BQ0052

★ ★ ★ ★

PRESENTATION OF THE BOILER

MAIN DIMENSIONS

The SGC 24 SOL is an all-in-one multi-energy solution, combining the

performance of a gas-fired condensing boiler and the production of

domestic hot water using an integrated solar calorifier.

The design of the SGC 24 SOL boiler has been based totally on

current preoccupations regarding high performance alongside

energy savings and environmental protection.

HIGH PERFORMANCE:

- Annual efficiency up to 109%

- Efficiency class ★ ★ ★ ★ CE

- NOx classification: 5 in accordance with EN 15420

- Low pollutant emissions:

• NOx < 30 mg/kWh

• CO < 20 mg/kWh

THEIR STRONG POINTS:

Condensing boiler

- Circular heating body in stainless steel and temperature- and

corrosion-resistant composite material.

- Cylindrical total premix surface burner in stainless steel

- Modulation range of 25 to 100% of nominal output

- Equipped and preset to operate on natural gases (operation

on butane or propane by modifying the settings).

- The silencer fitted to the air intake on the fan enables

compliance with acoustic regulation.

- 12-litre heating expansion vessel.

- Integrated heating/DHW bypass and reversal valve

- The control panel comprises:

• The boiler control panel: easy to use and functional

It adapts heating output to actual needs,

It includes a troubleshooting system, alarm codes, a digital

display; possibility of integrating a PCB with sensor for

3-way mixing valve (optional); possibility of connecting a

direct underfloor heating circuit.

• The DIEMASOL A solar control system: used to manage

and control the solar circuit, loading of the solar DHW tank,

guarantees protection against overheating and repeated

shutdowns.

- The Easymatic or Easyradio communicating remote controls,

whether or not they are combined with an outside sensor

(available as optional equipment) are used to optimise DHW

tank loading and operation in condensing mode.

Solar DHW calorifier

- Comprising a 200-litre enamelled solar DHW double coil

calorifier positioned and incorporated under the boiler,

protected by a magnesium anode.

- DHW calorifier equipped with a solar unit comprising the

pumps, the safety control unit, the filling and draining device

for the solar circuit, the thermometer, the collector and tank

sensors, the pressure gauge, the manual vent degasser, the

8-litre solar expansion vessel, the 14-litre glycol tank and the

thermostatic mixer valve.

The SGC 24 SOL is particularly easy to install:

- Boiler delivered fully assembled and fitted in 1 package (ex

forced flue).

- Holes for the insertion of carrying bars allowing it to be

easily put in place.

- Accessibility to all components from the front of the boiler for

easy maintenance.

- Optional water and gas connection kits available, with

heating and DHW safety valves.

- Delivered with a horizontal forced flue (homologation

C13x) or a vertical forced flue (homologation C33x); can be

connected to a chimney (homologation B23P), or in bi-flow

(homologation C53) (options).

600 172

660

2050

85 ==

45,5

60 60

5555

300

Ø60/100

1645

21(1)

980

435

484 126

2 4

SGC_F0001

➀Heating flow G 3/4

➁Domestic cold water inlet G 3/4

➂Gas inlet G 3/4

➃Domestic hot water outlet G 3/4

➄Heating return G 3/4

➅Solar circuit flow - Cu Ø 18 mm

➆Solar circuit return - Cu Ø 18 mm

(1) Feet adjustable from 21 to 40 mm

TECHNICAL CHARACTERISTICS OF THE BOILER

DESCRIPTION

TECHNICAL SPECIFICATIONS AND PERFORMANCES

Generator type:

heating and DHW with integrated calorifier

Boiler type: condensing

Burner: modulating with complete premixing

Energy used:

natural gases or butane/propane

Combustion evacuation:

chimney or sealed

Min. flow temp.: 15°C

Min. return temp.: none

Ref. “CE certificate”: 0085BQ0052

Model SGC 24 SOL

Nominal output Pn at 50/30°C kW 23,7

Efficiency 100% Pn at ave. temp. 70°C % 96,8

in % Pci, load... % 100% Pn at return temp. 30°C % 108

and water temp. ... °C 30% Pn at return temp. 30°C % 110

Nominal water flow at Pn and Δt = 20 K m3/h 1,0

Useful output 50/30°C min/max – at 80/60°C min/max kW 6-23,7/5,7-22

Min/max mass flue gas flowrate on natural gas H kg/s 10,2-38,4

Available pressure at boiler outlet Pa 190

Water content l 8,4

Minimum water ﬂow required none

Water resistance at Pn, Δt = 20 K (80/60°C) mbar 110,0

Gas flow at Pn natural gas H/L m3/h 2,41/2,81

(15 °C-1013 mbar) propane kg/h 1,79

DHW caloriﬁer capacity l 200

Exchanged output kW 22,8

Speciﬁc ﬂowrate at Δt = 30 K (according to EN 13203-1) l/min 19

Flow per hour at Δt = 35 K l/h 560

Flow in 10 min at Δt = 30 K l/10 min 190

Weight empty kg 175

DHW performances at room temp. at Pn: 20°C, cold water temp. 10°C, primary hot water temp.: 80°C, storage temp.: 60°C

Heating body in stainless steel and

composite material, fitted with a total

premix burner and a gas valve unit

Manual air vent

Heating pump

Heating/DHW reversal valve

Tilting control panel in horizontal

position

Glycol collection tank

Insulated solar DHW tank

SGC 24 SOL

(shown with front panel and top cover removed,

control panel titled)

Air/flue gas connection Ø 60/100 mm

with measuring point

Solar circuit flow and return

12-litre boiler expansion vessel

8-litre solar expansion vessel

Solar circuit pressure gauge

Thermometer

Degasser with manual vent

Primary solar circuit filling and draining

device

DHW calorifier drainage

Solar safety control unit

Stop cock with anti-thermosiphon valve

Primary solar circuit pump

SGC_Q0002A

CONTROL PANEL

SGC 24 SOL boilers are equipped with a simple and functional

control panel, comprising:

- On the one hand, a “boiler” control zone used to adapt heating

output to actual needs;

- And, on the other hand, a DIEMASOL A control system for

managing the solar circuit

SGC_Q0003A

Digital temperature display

DIEMASOL A control

system for primary solar circuit

6-position settings button:

- Stop antifreeze (vent)

- DHW (summer)

- Heating + DHW (winter)

- Measurement mode

- Installer mode

- Sweeper mode

DHW temperature maintenance

override button

Reset button (for safety

shutdowns)

“+” or “-” parameter settings keys

Pressure display for the

heating circuit

Setting button for the domestic hot water

temperature (from 40 to 60°C) with light

Setting button for the heating temperature (from

30 to 90°C) with light

C ONTROL PANEL OPTIONS

Programmable wire-controlled room thermostat - Package AD 137

Programmable wireless room thermostat - Package AD 200

Non-programmable room thermostat - Package AD 140

Package AD 140

Package AD 200

The programmable thermostats handle the

regulation and weekly programming of heating

by activating the burner in accordance with the

various operating modes: “Automatic” depending

on programming, “Permanent” at a set temperature

or “Holidays”. The “wireless” version is delivered

with a receiver box to be affixed to the wall close

to the boiler.

The non-programmable thermostat is used to

regulate the room temperature according to the

instruction given by activation of the burner.

8801Q0038666Q120A

Easymatic communicating wire-controlled remote control - Package FM 50

Easyradio communicating wireless remote control - Package AD 201

Options recommended to be able to programme domestic hot water preparation and thus optimise the

solar load of the DHW calorifier

Package AD 201

These remote controls handle heating regulation

and weekly programming by activating the burner

and the circulating pump on the direct circuit or

the valve circuit (if one exists) as a function of

the outside temperature according to several

operating modes: “Automatic” according to

programming, “Permanent comfort”, “Reduced

permanent”, “Holidays” or “Summer”. Likewise,

they handle the regulation and programming of

domestic hot water. Should an incident occur, they

automatically display a code relative to the fault

observed, thus facilitating the search for the cause

of the malfunction.

8666Q119A

Outside sensor - Package FM 46

Used on its own or combined with Easymatic or

Easyradio and connected to the control panel, it is used to regulate the heating depending on the

outside temperature.

8575Q034

PCB + sensor for 1 mixing valve - Package AD 202

This must be used with Easymatic or Easyradio

and the outside sensor. It is used to control a

mixing valve with a two-way electrothermal

or electromechanical motor. The valve circuit

(including its circulating pump) can then be

programmed independently.

8575Q036

Underfloor heating connection kit - Package HA 249

This cable harness is inserted into the heating pump

and includes the wires for connecting a safety thermostat for underfloor heating.

BOILER OPTIONS

Central connection kit with prefitted water/gas valves - Package HE 8

Right/left connection kit with prefitted water/gas valves - Package HE 9

Connection kits with prefitted water and gas shut-

off valves, 3- and 7-bar heating and DHW safety

valves, disconnector and connecting pipes for

either the central (package HE 8) or the right/left

(package HE 9) boiler.

8538F060A

Package

HE 8

Package

HE 9

Compact 2-circuit hydraulic module - Package EA 104

The compact module for 1 direct circuit and 1

circuit with mixing valve is equipped with 4 isolating

valves with thermometers, a 3-speed pump and a

motorised 3-way valve (valve circuit end), as well

as one manual air vent per circuit.

8531Q068

EA 104 (cover removed)

Condensates neutralisation tank - Package HC 33

Wall bracket for neutralisation tank - Package HC 34

Granule refill for neutralisation - Package HC 35

The materials used for the condensates flow

pipes must be appropriate; otherwise the

condensates must be neutralised. A regular check

of the neutralisation system and particularly the

effectiveness of the granules by measuring the pH

is necessary. If need be, the granules should be

replaced.

Package HC 33

Package HC 34

8531Q027

8531Q028A

S OLAR COLLECTORS RECOMMENDED FOR USE WITH SGC 24 SOL:

Number of people living in the home from to from

Recommended collectors or fields

of collectors (“roof” packs): package 1 x ECO 2,1 (1,9 m2)

EG 447 1 x PRO 2,5 (2,5 m2)

EG 445 2 x ECO 2,1 st (3,8 m2)

EC 524 2 x PRO 2,3 ST (4,3 m2)

EC 518 (1) 2 x PRO 2,3 IT (4,3 m2)

EC 528 (1)

Additional accessories required (2):

Profiles kit for 1 collector package EG 450 EG 448 - - -

Anchorage fittings package 4 rooms (3) 4 rooms (3) 6 rooms (3) 6 rooms (3) 6 rooms (3)

Hydraulic connection kit package EG 305 EG 305 - - -

Collector sensor package EC 155 EC 155 - - -

Heat-carrying fluid type L

(premixture 60/40, -21°C) package EG 101 EG 101 EG 101 EG 101 EG 101

(1) “Roof Packs” with vertical delivery; for horizontal delivery, replace package EC 518 with EC 583 and EC 528 with EC 589.

(2) For vertical roof mounting; for horizontal or terrace mounting, refer to the current Price Catalogue or the “DIETRISOL” technical manual.

(3) Type of anchorage ﬁttings to select depending of the roof type:

Note: To install the solar collectors and the various in/on roof

or terrace mounting devices available (orientation in relation to the sun, layout on the roof…), refer to the “DIETRISOL” technical

manual.

For mounting on tiled roof:

Mechanical Mechanical Flat Sheeting Slates

(aluminium) (stainless steel) (stainless steel) (stainless steel) (stain.

steel)

4 parts EG 311 EG 313 EG 315 EG 317 EG 319

6 parts EG 312 EG 314 EG 316 EG 318 EG 320

INFORMATION REQUIRED FOR INSTALLATION

The installation and maintenance of the appliance, whether in a

residential building or in a building open to the public, must be carried out by a qualified professional in compliance with the

statutory texts and codes of practice in force.

S TATUTORY INSTRUCTIONS ON INSTALLATION AND MAINTENANCE

I NSTALLATION

SGC 24 SOL condensation boilers must be installed in premises

protected from frost, which can also be ventilated.

In order to avoid damage to boilers, it is necessary to prevent the contamination of combustive air by chloride and/

or fluoride compounds, which are particularly corrosive. These compounds are present, for example, in aerosol spray

cans, paints, solvents, cleaning products, washing powders/liquids, detergents, glues, snow clearing salts, etc. You should

therefore:

- Avoid taking in air discharged from premises using such products: hairdressers, dry cleaners, industrial premises (solvents), premises

containing refrigeration systems (risk of leaking refrigeration fluid), etc.

- Avoid the storage of such products close to boilers.

Please note that, if the boiler and/or its peripherals become corroded by chloride and/or fluoride compounds, our contractual

warranty cannot be invoked.



G AS CONNECTION

Compliance with prevailing instructions and regulations is

mandatory. In all cases, a sectional valve is fitted as close as possible

to the boiler. This valve is delivered prefitted to the central and

right/left hydraulic connection kits available as optional equipment.

A gas filter must be fitted to the boiler inlet.

The diameters of the pipes must be defined according to the

prevailing regulations.

Gas supply pressure:

- 20 mbar on natural gas H, 25 mbar on natural gas L,

- 37 mbar on propane,

- 28 mbar on butane.

Certificate of conformity

The installer is required to draw up a certificate of conformity approved by the ministers responsible for construction and gas safety.

E LECTRICAL CONNECTION

This must comply with the prevailing national or even local

instructions and regulations.

The boiler must be powered by an electrical circuit comprising

an omnipolar switch with an opening gap > 3 mm. Protect the

connection to the mains with a 6A fuse.

Note:

- The sensor cables must be separated from the 230 V circuits by

at least 10 cm,

- In order to protect the pump antifreeze and cleaning functions,

we recommend not switching off the boiler at the mains switch.

Ventilation

This must comply with prevailing regulations.

H YDRAULIC CONNECTION

➩ Solar circuit, a few reminders:

Connection pipes between the collector field and the lower

exchanger in the solar calorifier, routed with a constant

downward slope as direct as possible, must be:

- tubular copper pipes preferably (synthetic materials should be

avoided because of the high temperatures) (Ø in accordance

with the table opposite),

- welded with strong brazing filler metal without flux (L-Ag2P or

L-CuP6),

- union connectors that can only be used if they are resistant to

Glycol, the pressure (6 bars) and the temperature (-30°C to

+180°C),

- a manual air vent valve is recommended at the high point,

- Suitable insulation: see recommendations in the “DIETRISOL”

technical manual.

Type and

number of

collectors

Guaranteed flowrate (l/h)

Ø in mm and max. length of

the pipes in m (in/out) with

solar pump

ST 20/6 integrated

per m2of

collectors solar pump Ø 15 Ø 18

1 x ECO 2,1

2 x ECO 2,1 75

40 150

150 50

25 -

1 x PRO 2,5 60 150 40 60

2 x PRO 2,3 30 150 25 50

Heat transporting fluid: use one of the fluids that we recommend:

see current Product Catalogue.

Characteristics ST 20/6

solar pump

0,5 1 1,5 2 2,5 3 3,5

mCE

ST20/6

SGC_F0005

INFORMATION REQUIRED FOR INSTALLATION

SGC 24 SOL boilers must only be used in closed-circuit heating

installations, cleaned before use to eliminate the residues and

deposits caused by commissioning the installation. Furthermore, it is

important to protect central heating installations against the risk of

corrosion, scaling and microbiological growth: the water treatment

products used must comply with regulations.

➩ Heating circuit

Installation examples:

The examples presented below cannot cover the full range of

installation scenarios which may be encountered. Their purpose

is to draw the attention to the basic rules to be followed. A

certain number of control and safety devices (some of which are

already integrated as standard in the boilers) are shown but it is

ultimately up to installers, experts, consultant engineers and design

departments to take the final decision on the safety and control

devices to be used in the boiler room according to its specificities.

In all cases, it is necessary to abide by the codes of practice and

prevailing regulations.

Attention: For the connection of domestic hot water, a sleeve

made of steel, cast iron or any other insulating material must be

interposed between the hot water outlet and these pipes to prevent

any corrosion to the connections, if the distribution pipes are made

of copper.

Installation of an SGC 24 SOL with 1 direct radiator circuit,

1 Easymatic remote control + outside sensor and 2 ECO 2.1

solar collectors

Installation of an SGC 24 SOL with 1 direct “radiator” circuit +

1 circuit with mixing valve, 1 Easyradio remote control + out-

side sensor and 2 PRO 2.3 solar collectors

Condensates discharge

The siphon provided must be connected to the waste water

discharge system. The connection must be removable and the

flow of condensates visible. The connections and pipes must be in

corrosion-resistant materials. An optional condensates neutralisation

system is available (package HC 33 see page 5).

Characteristic of the heating circulating pump, Grundfos UPS

15.70 type, fitted to the SGC 24 SOL

HE9

SGC 24 SOL

109

114

11/26

130

112a

131

133

129

FM50

929

HE9

EA104

SGC 24 SOL

112a

131

133

129 21

109

114

11/26

130

BUS

°C °C °C °C

AD201

AD 202

N L

929

Key:

4 Pressure gauge

9 Isolation valve

11 Heating pump

16 Expansion vessel

17 Draining valve

21 Outside sensor

23 Flow sensor downstream of the

mixing valve

26 Domestic water load pump

28 Domestic cold water inlet

29 Pressure reducer

44 Manual reset safety thermostat for

underfloor heating

46 2-position 3-way directional valve

51 Thermostatic valve

61 Thermometer

64 Direct circuit (e.g. radiators)

65 Circuit with mixing valve (e.g.

underfloor heating)

84 Stop cock with anti-

thermosiphon valve

85 Primary solar circuit pump

87 Solar safety valve: 6 bar

88 Solar expansion vessel

89 Recipient for solar fluid

109 Thermostatic valve

112a Solar collector sensor

114 Solar circuit filling and draining

device

129 DUO-Pipes (optional)

130 Degasser with manual vent

131 Collector field

133 Interactive remote control

(optional)

SGC_F0003A

SGC_F0004A

0 0,2 0,4 0,6 0,8 1

mCE

SGC_F0006

HS: high speed

MS: medium speed

LS: low speed

DE DIETRICH THERMIQUE

S.A.S. with corpored capital of 22 487 610 d

57, rue de la Gare - F-67580 Mertzwiller

Tel. +33 (0)3 88 80 27 00 - Fax +33 (0)3 88 80 27 99

www.dedietrich-heating.com

INFORMATION REQUIRED FOR INSTALLATION

Lmax = L1+L2

Lmax

= L1+

Lmax

max

max 1m

Lmax

L2Lmax

C33x

B23P

C33x

C53

C13x

C33x

10/08 – 300018841 – 347.555.559 Strasbourg Companies Register – Document not contractually binding. You can check its validity on the website http:/www.dedietrichthermique.com - Printed in France - OTT Printers 67310 Wasselonne - 83594

AIR/FLUE GAS CONNECTION

For the use of the air/flue gas connection pipes and the rules on installation and for details of the various configurations, you can refer to

the current Product Catalogue.

Classification

8538F035D

Configuration C13x: Air/flue gas connection

by means of concentric pipes to a horizontal

terminal (so-called forced flue)

Configuration C33x: Air/flue gas connection

by means of concentric pipes to a vertical ter-

minal (roof outlet)

Air/flue gas connection using concentric pipes

in the boiler room and single pipes in the chim-

ney (combustive air with counter current in the

chimney)

Air/flue gas connection using concentric pipes

in the boiler room and single “flex” pipes in the

chimney (combustive air with counter current in

the chimney)

Configuration C53: Separate air and flue gas

connection using a bi-flow adapter and single

pipes (combustive air taken from outside)

Configuration B23P: Connection to a chimney

(combustive air taken from the boiler room).

TABLE SHOWING THE MAXIMUM AIR/FLUE GAS PIPE LENGTHS PERMITTED ACCORDING TO THE BOILER TYPE

Type of air/flue gas connection Lmax of connection pipes in m

SGC 24 SOL

Concentric pipes connected to a horizontal terminal (PPS) C13x Ø 60/100 mm 12

Concentric pipes connected to a vertical terminal (PPS) C33x Ø 60/100 mm 11,5

Ø 80/125 mm 10

Pipes

- concentric in the boiler room,

- single in the chimney

(combustive air in counter-current) (PPS)

C33x

Ø 60/100 mm

Ø 60 mm 13

Ø 60/100 mm

Ø 80 mm 20

Pipes

- concentric in the boiler room,

- “flex” in chimney (combustive air in counter-current) (PPS) C33x Ø 80/125 mm

Ø 80 mm 17

Bi-flow adaptor and separate single air/flue gas pipes

(combustive air taken from outside) (Alu) C53 Ø 60/100 mm

sur 2x80 mm 16

In chimney (rigid or flex)

(combustive air taken from the boiler room) (PPS) B23P

Ø 80 mm (rigid) 23

Ø 80 mm (flex) 40

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