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DE DIETRICH
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TRIO DT 350
User Manual
24 pgs1.44 Mb0
Table of contents
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DE DIETRICH TRIO DT 250, TRIO DT 350 User Manual

DIETRISOL
Solar domestic hot water tanks
TRIO DT 250 - TRIO DT 350
EN
M000854
User Guide
300028005-001-03
Contents
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
1.1 Symbols and abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
1.2 General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
1.2.1 Manufacturer's liability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.2.2 Installer's liability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
1.2.3 User's liability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
1.2.4 Compliance of design and manufacture. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
1.2.5 Electrical compliance / Marking 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
2 Safety instructions and recommendations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
2.1 Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
2.2 Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
3 Technical description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
3.1 Technical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
3.2 Main parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
4 Setting the DHW calorifier outlet temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
4.1 Programming and setting the electrical back-up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
4.2 Setting the thermostatic mixing valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
5 Diemasol B solar regulator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
5.1 General description of how the unit operates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
5.2 Start-up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
5.3 Adjustment keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
5.4 LED message code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
5.5 Measured values and adjustment parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
6 Checking and maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
6.1 Solar installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
6.2 Tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
6.2.1 Magnesium anodes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
6.2.2 Safety valve or safety unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
6.2.3 Descaling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
6.2.4 Casing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
6.2.5 Vent device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
6.3 Solar circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Warranty certificate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
2

1Introduction

1.1 Symbols and abbreviations

In these instructions, various markings and pictograms are used to draw your attention to particular information. In so doing, De Dietrich Thermique S.A.S wishes to safeguard the user's safety, obviate hazards and guarantee correct operation of the appliance.
Danger
Risk of a dangerous situation causing serious physical injury.
Warning
Risk of a dangerous situation causing slight physical injury.

1.2 General

Congratulations on choosing a De Dietrich product, a product of quality. We strongly recommend that you read the following instructions in order to guarantee the optimal operation of your appliance. We are sure that you will not be disappointed and that it will satisfy all of your expectations.

1.2.1 Manufacturer's liability

Our products are manufactured in compliance with the requirements of the various applicable European Directives. They are therefore delivered with 1 marking and all relevant documentation.
In the interest of customers, we are continuously endeavouring to make improvements in product quality. All the specifications stated in this document are therefore subject to change without notice.
Caution
Risk of material damage.
Specific information.
Reference
Z
Refer to another manual or other pages in this instruction manual.
` DHW: Domestic hot water.
Our liability as the manufacturer may not be invoked in the following cases:
` Failure to abide by the instructions on using the appliance.
` Faulty or insufficient maintenance of the appliance.
` Failure to abide by the instructions on installing the appliance.

1.2.2 Installer's liability

The installer is responsible for the installation and inital start up of the appliance. The installer must respect the following instructions:
` Read and follow the instructions given in the manuals provided
with the appliance.
` Carry out installation in compliance with the prevailing
legislation and standards.

1.2.3 User's liability

To ensure the optimum operation of your appliance, we strongly recommend that you abide by the following instructions:
` Read and follow the instructions given in the manuals provided
with the appliance.
` Call on qualified professionals to carry out installation and initial
start up.

1.2.4 Compliance of design and manufacture

This product conforms to the requirements of european directive 97 / 23 / EC, article 3, paragraph 3, on pressure equipment.
` Perform the initial start up and carry out any checks necessary.
` Explain the installation to the user.
` If a maintenance is necessary, warn the user of the obligation
to check the appliance and maintain it in good working order.
` Give all the instruction manuals to the user.
` Get your installer to explain your installation to you.
` Have the required checks and services done.
` Keep the instruction manuals in good condition close to the
appliance.
17/10/12 - 300028005-001-03 TRIO DT 250 - TRIO DT 350
3
1.2.5 Electrical compliance / Marking
1
This product complies to the requirements to the european directives and following standards:
• 2006/95/EC Low Voltage Directive
Reference Standard: EN 60.335.1.
• 2004/108/EC Electromagnetic Compatibility Directive Reference Standards: EN 50.081.1 / EN 50.082.1 / EN 55.014.

2 Safety instructions and recommendations

2.1 Safety instructions

Any work on the installation must be done by a qualified
professional in compliance with the codes of practice and according to the instructions provided.

2.2 Recommendations

Have the installation regularly serviced to guarantee that it operates correctly over time. It is essential to check the magnesium anode in the DHW tank and the installation and heat transporting fluid pressure every two years.
Never cut the power to the solar control system, even
during extended absences. The control system protects the installation against overheating in summer when it is running.
During extended absences, we recommend lowering the set point temperature in the solar DHW calorifier to 50°C. When the user is present, the set point must be set to 60°C.
Never drain the installation. Do not replace or add water or
solar fluid to the installation. These actions must be carried out by a qualified technician.
Do not modify the control system parameters unless fully
conversant with them.
4

3 Technical description

3.1 Technical specifications

DIETRISOL TRIO DT 250
Solar exchangers °C 120 120
Maximum operating temperature
Maximum operating pressure bar 7 10
Maximum operating pressure in accordance with W/TPW
Water content
Surface area
Operation with boiler back-up
Operation with electrical back-up
Continuous output
Flow rate for 10 minutes where (4) Maintenance consumption kWh/24h - 2.7 Cooling constant Cr Wh/lKj 0.22 0.19 (1) Swiss Directives
(2) Domestic cold water input at 10°C - Primary inlet temperature at 80 °C
Values measured with a wall-mounted boiler (3) Domestic hot water temperature: 45 °C (4) Domestic hot water temperature: 40 °C (5) Domestic cold water inlet 15 °C (6) Values measured only on the back-up volume
Domestic hot water load setting: 60 °C
∆T = 35 K (2) (3)
∆T = 30 K (on make-up volume) (2)
(1)
Boiler heat exchanger °C 90 90 tank °C 90 90
bar 6 6
Solar exchangers litres 9 8.1 Boiler heat exchanger litres 4.3 4.9 tank litres 250 350
Upper solar heat exchanger
Lower solar heat exchanger
Boiler heat exchanger
Top up volume litres 105 127 Solar volume litres 145 223 Power exchanged (2) (3) kW 21 23 Top up volume litres 130 160 Solar volume litres 120 190 Output of the electrical back-up kW 2.4 3 Back-up volume heating time (from 15
to 60°C) Vecs 40 (5) (6) Domestic hot water storage
temperature: 55 °C Vecs40 (5) (6)
Domestic hot water storage temperature: 60 °C
2
m
2
m
2
m
h 2h50 2h50
litres 355 420
litres 385 450
l/h 515 565
l/10 mm 190 230
0.48 0.48
0.86 0.96
0.64 0.72
DIETRISOL
TRIO DT 350
17/10/12 - 300028005-001-03 TRIO DT 250 - TRIO DT 350
5
Composition of the NF CESI DIETRISOL TRIO solar systems packages (for France only)
Check the composition of the CESI solar system, which complies with the requirements of the NF CESI mark, using the table below. The references and packages listed must be shown on the invoice for the system sold by the installer.
A system is complete and functional according to the NF CESI mark if all system references appear on the invoice. The system is composed of the following elements:
• A collector field with 1 or 2 solar collectors.
• A solar domestic hot water tank to which a solar station incorporating a heating pump, an expansion vessel and a Diemasol A control system is to be mounted.
• The solar fluid that protects the installation from frost and corrosion.
The system is delivered to the installer in two units: a roof pack containing the collectors, their mounting system and the hydraulic connections on the one hand, and a cellar pack containing the calorifier, the system components and the solar fluid on the other hand.
CESI System Array of collectors Domestic hot water production Solar fluid
DIETRISOL TRIO
250-3
DIETRISOL TRIO
D 250-4
Number of
panels
1On roof
2
2
2
2
Type of mounting
On roof
(mechanical tiles -
Universal hook)
On roof (Slates)
On roof
(mechanical tiles - On
rafter)
Roof-integral
Installation
(> 20°)
(mechanical tiles)
package /
Reference
ER 234
100019328
ER 432
100019695
ER 433
100019696
ER 434
100019697
ER 442
100019705
DHW calorifier type
DT 250
DT 250
package /
Reference
EC 340
100007796
EC 340
100007796
Volume
(litres)
250 Mixed
250 Mixed
Back-up
type
package /
Reference
89807792
89807792
EG 100
EG 100
DIETRISOL TRIO
250-5
2
2
2
2
2
(Delivered vertically)
(Delivered horizontally)
(Delivered vertically)
(Delivered horizontally)
Roof-integral
Installation
(> 20°)
(Slates / Flat tile)
On roof
On roof
Roof-integral
Installation
(> 20°)
Roof-integral
Installation
(> 20°)
ER 446
100019709
EC 521
100007869
EC 580
100009302
EC 531
100007879
EC 586
100009308
DT 250
EC 340
100007796
250 Mixed
EG 100
89807792
6
CESI System Array of collectors Domestic hot water production Solar fluid
Number of
panels
2
Type of mounting
On roof
(mechanical tiles -
Universal hook)
package /
Reference
ER 432
100019695
DHW calorifier type
package /
Reference
Volume
(litres)
Back-up
type
package /
Reference
DIETRISOL TRIO
D 350-4
DIETRISOL TRIO
350-5
2
2
2
2
2
2
2
(mechanical tiles - On
(Delivered vertically)
(Delivered horizontally)
(Delivered vertically)
On roof (Slates)
On roof
rafter)
Roof-integral
Installation
(> 20°)
(mechanical tiles)
Roof-integral
Installation
(> 20°)
(Slates / Flat tile)
On roof
On roof
Roof-integral
Installation
(> 20°)
ER 433
100019696
ER 434
100019697
ER 442
100019705
ER 446
100019709
EC 521
100007869
EC 580
100009302
EC 531
100007879
DT 350
DT 350
EC 339
100007795
EC 339
100007795
350 Mixed
350 Mixed
EG 100
89807792
EG 100
89807792
2
See chapter: NF CESI data sheet.
Z
Roof-integral
Installation
(> 20°)
(Delivered horizontally)
EC 586
100009308
17/10/12 - 300028005-001-03 TRIO DT 250 - TRIO DT 350
7

3.2 Main parts

Dietrisol TRIO DT ... is a high performance solar DHW tank/calorifier designed to be connected to Dietrisol NEO or POWER solar collectors and an De Dietrich central heating boiler.
It is designed in such a way as to be able to cope with a solar collector surface area of up to 4.5 m conditions set out in the chapter "Hydraulic Connection Primary Solar Circuit".
1
2
(DT 250) and 6.5 m2 (DT 350) under the
2
3
4
5
6
12 7 8
13
tank
The high quality steel tank is lined with food standard quality vitrified enamel, which protects it from corrosion and preserves all the qualities of the domestic water. The Dietrisol TRIO DT ... tank is fitted with 2 heat exchangers per zone for solar heating and one heat exchanger for supplementary heating by means of a fuel oil or gas boiler.
Protection against corrosion
The tank is also protected from corrosion by two magnesium anodes which must be inspected every 2 years and replaced if necessary.
Heat exchanger
The thermal exchanger welded into the tank is made of smooth piping, the inside of which, which is in contact with the domestic water, is enamelled.
Insulation
The tank is strongly insulated with high strength rigid polyurethane foam with no chlorofluorocarbons (CFC), 50 mm thick to minimise heat loss.
9
10 11
Pressure gauge - Primary solar circuit
1
Safety control unit for the solar circuit (6 bar)
2
Blue thermometer (tank solar heat exchangers outlet)
3
Red thermometer (tank solar heat exchangers inlet)
4
Primary solar circuit pump
5
Manual bleed degasser
6
2-position 3-way directional valve
7
Diemasol B regulator
8
8 l/6 bar expansion vessel, 2-bar pre-load
9
Automatic connection for expansion vessel
10
Primary solar circuit filling and draining device
11
Magnesium anode
12
Electric heating resistance
13
Magnesium anode
14
M001003
14
Casing
The outside casing is made of painted steel sheeting. The top and side covers are made of ABS.
Solar station
The solar heating pump unit comprises the solar circuit safety unit, a pressure and temperature gauge and a flowmeter to visualise circulation of the solar fluid between the panels and the DHW tank. An expansion vessel is connected to the solar unit; it is used to compensate for the expansion of the solar fluid in which the temperature varies between 0 and 150°C.
Diemasol B regulator
The control system is the solar system's brain; it makes the solar heating pump run at variable speeds according to the difference in temperature between the bottom of the DHW tank and the solar panels. The control system manages the set point temperature (temperature to be attained in the DHW tank), overheating and nighttime cooling. The control system also displays the various operating modes, the temperatures in the collectors and in the bottom of the DHW tank, as well as signalling any malfunctions.
8
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