DeDietrich BMR 80 User manual

BMR 80
Domestic hot water calorifier for wall-hung boilers English
29/05/06
Installation
instructions
Instructions for use
Technical
instructions

2BMR 80 29/05/06 - 300008885-001-A
Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
1 Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
2 Important recommendations. . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
1 Main dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
2 Technical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
3 Package list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
1 Implementation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
2 Assembling the boiler/DHW calorifier unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
3 Connecting the calorifier to the primary circuit (Exchanger). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
4 Connecting the tank to the domestic water circuit (secondary circuit) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
5 Filling the system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
6 Electrical connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Commissionning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
1 Magnesium anode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
2 Valve or safety unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
3 Descaling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
4 Cladding. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Maintenance form . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Spare parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Symbols used
Caution danger Risk of injury and damage to equipment.
Attention must be paid to the warnings on safety of persons and equipment.
Specific information Information must be kept in mind to maintain comfort.
ZReference Refer to another manual or other pages in this instruction manual.

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29/05/06 -300008885-001-A BMR 80
Introduction
BMR 80 domestic hot water calorifiers are connected to the side of
wall-hung boilers. For a proper operating of the boiler, follow carefully the instructions.
1 Compliance
Compliance of design and manufacture
This product complies with the requirements of European Directive
97 / 23 / EC, Article 3, Paragraph 3, on pressure equipment.
Electrical compliance / Marking 1
ThisproductcompliestotherequirementstotheEuropeanDirectives
and following standards:
• 73/23/EEC Low VoltageDirective
Reference Standard : EN 60.335.1.
• 89/336/EEC Electromagnetic Compatibility Directive
Reference Standards : EN 50.081.1 / EN 50.082.1 / EN 55.014.
2 Important recommendations
Positioning the appliance:
- in a frost-free room
- ascloseaspossibleto draw-offpointsin order to minimiseenergy
losses through the pipes
Insulating the pipes.
Heating water and domestic water must not come into
contact with each other. Domestic water must not circulate
via the exchanger.
Service the appliance regularly to ensure that it operates correctly.
Any operation on the installation must be performed by a
qualified technician respecting professional regulations
and in accordance with this document.
Keep this document close to the place where the tank is installed.
No modifications must be made to the domestic hot water tank if the
guarantee is to remain valid.
Description
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.
Thetankisprotectedagainstcorrosionbyamagnesiumanodewhich
should be checked every 2 years and replaced if need be.
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.
The appliance is insulated using CFC-free polyurethane foam.
The outside casing is made of painted steel sheeting.
The insulating material can be easily detached from the tank. A
polyethylene film prevents the foam sticking to the tank. This
measure facilitates the recycling of materials.

4BMR 80 29/05/06 - 300008885-001-A
1 Main dimensions
R: Conical thread
G: Exterior cylinder thread, sealed by flat joint
AEchanger bleed valve
BSensor thimble tube
HAnode
10 Domestic hot water outlet R 3/4
11 Domestic cold water inlet R 3/4
12 Heat exchanger inlet G 3/4
13 Heat exchanger outlet G 3/4

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29/05/06 -300008885-001-A BMR 80
2 Technical characteristics
3 Package list
BMR 80
Primary circuit (heating water)
Maximum operating temperature °C 95
Maximum operating pressure bar 10
Maximum operating pressure in accordance with W/TPW (3) bar 6
Coil water capacity l3
Coil exchange surface m20.75
Secondary circuit (domestic water)
Maximum operating temperature °C 95
Maximum operating pressure bar 10
Maximum operating pressure in accordance with W/TPW (3) bar 6
Water capacity l80
Performance
Power exchanged (1) kW 22.6
Continuous flow (1) l/h 555
Specific flow at ∆T 30 K (2) l/min 16.5
Draw-off capacity l/10 mm 165
Weigh kg 49
(1) Domestic cold water inlet: 10 °C - Domestic hot water outlet: 45 °C - Primary circuit
(heating water): 80 °C
(2) Domestic cold water inlet: 10 °C - Domestic hot water outlet: 45 °C - Primary circuit
(heating water): 80 °C - DHW sensor temperature: 60 °C
(3) Swiss Directives
Description BMR 80
- Tank EE 53
- Linking kit HG 29
To be ordered separately
- NTC sensor AD 226

6BMR 80 29/05/06 - 300008885-001-A
Installation
BMR 80 domestic hot water calorifiers are connected to the side of
wall-hung boilers.
1 Implementation
The DHW calorifier can be placed to the left or right of the boiler.
The appliance must be fixed to a solid wall, capable of
supporting its weight when full of water.
Assembly to the left
Assembly to the right

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29/05/06 -300008885-001-A BMR 80
2 Assembling the boiler/DHW calorifier unit
2.1 Fitting the boiler mounting frame with BMR 80 calorifier
ZSee: Boiler installation instructions.
2.2 Fitting the calorifier mounting rail

8BMR 80 29/05/06 - 300008885-001-A
2.3 Hanging the boiler
2.4 Hanging the tank

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29/05/06 -300008885-001-A BMR 80
3 Connecting the calorifier to the primary circuit (Exchanger)
Hydraulicconnectionbetweenboilerandcalorifierexchangerisdone
using connection kit HG 29.
4 Connecting the tank to the domestic water circuit (secondary circuit)
Whenmakingtheconnections,itis imperativethatthe standardsand
corresponding local directives are respected. Thesedomestichotwatertankscanoperateatamaximumoperating pressure of 10 bars. As a general rule, the tanks operate at 7 bars.
4.1 Specific precautions
Before making the connection, rinse the domestic water inlet
pipes to prevent the introduction of metal or other particles into the
DHW tank.
4.2 Provision for Switzerland
Make the connections according to the instructions of the Société
Suisse de l'Industrie du Gaz et des Eaux. Comply with local
instructions from water distribution plants.
C000692

10 BMR 80 29/05/06 - 300008885-001-A
4.3 Safety valve
In compliance with the safety rules, fit a sealed safety valve
to the tank's domestic cold water inlet.
Calibration of the safety valve : J10 bar.
For France, we recommend hydraulic safety units fitted with a
membrane with the NF marking.
- Integrate the safety valve in the cold water circuit.
- Install the safety valve close to the calorifier in a place which is
easy to access.
Dimensions
ThesafetyunitanditsconnectiontotheDHWtankmustbeofatleast
the same diameter as the cold water supply pipe in the tank's
domestic circuit.
No isolating devices should be located between the safety valve or
unit and the tank.
Thesafetyunitoutletpipemusthaveauniformandsufficientgradient
and its diameter must be at least equal to that of the outlet opening
in the safety unit (to prevent the flow of water being hindered if the
pressure is too high).
The outlet pipe in the valve or safety unit must not be blocked.
France
The level of the safety unit must be lower than that of the cold water
inlet to enable draining. Otherwise, fit a drainage pipe to the lowest
point of the tank.
Germany
Definethedimensionsofthesafety valve in accordance with the DIN
1988 standard :
Fit the safety valve above the calorifier to obviate having to drain the
tank during servicing
Install the drainage valve at the lowest point on the calorifier.
4.4 Isolation valves
Hydraulically isolate the primary and secondary circuits using stop
valves to facilitate maintenance operations on the calorifier. The
valves make it possible to carry out maintenance on the tank and its
components without draining the entire installation.
These valves are also used to isolate the calorifier when conducting
apressurisedcheckon the leak tightnessof the installation ifthe test
pressure for the calorifier is greater than the admissible operating
pressure.
If the mains pipes are made of copper, fit a sleeve made of
steel, cast iron or any other insulating material between the
tank's hot water outlet and the pipes to prevent corrosion
to the connection
4.5 Connecting the domestic cold water
Make the connection to the cold water supply in accordance with the
following diagram. Install a water drain in the boiler room and a
"funnel-siphon" for the safety unit.
The components used for the connection to the cold water supply
must comply with the prevailing standards and regulations in the
country concerned. Fit a non-return valve to the domestic cold water
circuit.
4.6 Pressure reducer
Ifthesupplypressureexceeds 80% of thevalve or safety unit setting
(e.g.5.5barsfor a safety unitset at7 bars), apressure reducer must
be installed upstream of the DHW tank. Install the pressure reducer
downstream of the water meter in such a way as to ensure the same
pressure in all of the pipes in the installation.
4.7 Bleed circuit
During the heating process, water can flow through the
bleed circuit to guarantee the safety of the installation. Do
not block!
Capacity
litres
Dimension of the valve
Min. dimension of the inlet
connection
Heating output
kW
max
< 200 R or Rp 1/2 75
200 J1000 R or Rp 3/4 150