Operating Guide
Termix BVX-FI RO SEK
1.0 Table of Contents ............................................. |
1 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2.0 |
Functional description...................................... |
3 |
3.0 |
Safety notes..................................................... |
4 |
3.1 |
Safety Notes – general . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
4 |
4.0 |
Mounting ........................................................ |
5 |
4.1 |
Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
5 |
4.2 |
Dismantle the insulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
7 |
4.3 |
Mounting the display of the energy meter. . . . . . . . . . . . . . . . . . . . |
10 |
4.4 |
Start-up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
11 |
4.5 |
Electrical connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
13 |
5.0 |
Design............................................................. |
14 |
5.1 |
Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
14 |
5.2 |
Schematic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
15 |
6.0 |
Controls .......................................................... |
16 |
6.1 |
Heating circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
16 |
6.2 |
DHW temperature control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
19 |
6.3 |
Other. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
20 |
6.4 |
Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
22 |
7.0 Troubleshooting .............................................. |
23 |
7.1 Troubleshooting in general . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 7.2 Troubleshooting DHW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 7.3 Troubleshooting HE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 7.4 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
8.0 Declaration...................................................... |
31 |
8.1 Declaration of conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
© Danfoss | 2018.11 |
VI.MP.D1.02 / LUK40767 | 1 |
Operating Guide Termix BVX-FI RO SEK
2 | © Danfoss | 2018.11 |
VI.MP.D1.02 / LUK40767 |
Operating Guide Termix BVX-FI RO SEK
District heating substation for indirect heating with tank for domestic hot water preparation and with thermostatic or electronic control. Connections at the top of the station.
Application
The Termix BVX-FI RO SEK substation is a complete solution for hot water and space heating with optimal safety, efficient energy transfer, service-friendly onstruction and a compact design. The substation is used if a heat exchanger is required or on a conversion to district heating where the existing equipment is unsuitable for direct connection.
District heating (DH)
The substation is prefabricated with a differential pressure controller, fitting piece and sensor pockets for insertion of a heat meter as well as strainers and ball valves.
Heating (HE)
The heating circuit consists of a plate heat exchanger, safety valves, manometer, thermometers, ball valves, drain valve, air valves, expansion vessel and circulation pump. The temperature of the heating is electronically controlled with an outdoor temperature sensor. Depending on the application, different heat exchangers dimensioned for central or floor heating will be used.
Domestic hot water (DHW)
The domestic hot water circuit consists of a hot water tank with coil and a pump for controlling the temperature with possibility for DHW priority. The DHW tank and coil are enamelled and the tank contains a magnesium anode.
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Operating Guide Termix BVX-FI RO SEK
The following instructions refer to the standard design of substation. Special versions of substations are available on request.
This operating manual should be read carefully before installation and start-up of the substation. The manufacturer accepts no liability for damage or faults that result from non-compliance with the operating manual. Please read and follow all the instructions carefully to prevent accidents, injury and damage to property. Assembly, start-up and maintenance work must be performed by qualified and authorized personnel only.
Please comply with the instructions issued by the system manufacturer or system operator.
Corrosion protection
All pipes and components are made of stainless steel and brass. The maximum chloride compounds of the flow medium should not be higher than 150 mg/l.
The risk of equipment corrosion increases considerably if the recommended level of permissible chloride compounds is exceeded.
Energy source
The substation is designed for district heating as the primary source of energy. However, also other energy sources can be used where the operating conditions allow it and always are comparable to district heating.
Application
The substation is designed to be connected to the house installation in a frost-free room, where the temperature does not exceed 50 °C and the humidity does not exceed 60%. Do not cover or wall up the substation or in any other way block the entrance to the station.
Choice of material
Choice of materials always in compliance with local legislation.
Safety valve(s)
We recommend mounting of safety valve(s), however, always in compliance with local regulations.
Connection
The substation must be equipped with features that ensure that the substation can be separated from all energy sources (also power supply).
Emergency
In case of danger or accidents - fire, leaks or other dangerous circumstances - interrupt all energy sources to the station if possible, and seek expert help.
In case of discoloured or bad-smelling domestic hot water, close all shut-off valves on the substation, inform the operating personnel and call for expert help immediately.
REACH
All Danfoss A/S products fulfill the requirements in REACH. One of the obligations in REACH is to inform customers about presence of Candidate list substances if any, we hereby inform you about one substance on the candidate list: The product
contains brass parts which contains lead (CAS no: 7439-92-1) in a concentration above 0.1% w/w.
Storage
Any storage of the substation which may be necessary prior to installation should be in conditions which are dry and heated.
Authorized personnel only
Assembly, start-up and maintenance work must be performed by qualified and authorized personnel only.
Please observe instructions carefully
To avoid injury to persons and damage to the device, it is absolutely necessary to read and observe these instructions carefully.
Warning of high pressure and temperature
Be aware of the installation’s permissible system pressure and temperature.
The maximum temperature of the flow medium in the substation is 120 °C.
The maximum operating pressure of the substation is 10 bar. PN 16 versions are available on enquiry.
The risk of persons being injured and equipment damaged increases considerably if the recommended permissible operating parameters are exceeded.
The substation installation must be equipped with safety valves, however, always in accordance with local regulations.
Warning of hot surface
The substation has got hot surfaces, which can cause skin burns. Please be extremely cautious in close proximity to the substation.
Power failure can result in the motor valves being stuck in open position. The surfaces of the substation can get hot, which can cause skin burns. The ball valves on district heating supply and return should be closed.
Warning of transport damage
Before substation installation, please make sure that the substation has not been damaged during transport.
IMPORTANT - Tightening of connections
Due to vibrations during transport all flange connections, screw joints and electrical clamp and screw connections must be checked and tightened before water is added to the system. After water has been added to the system and the system has been put into operation, re-tighten ALL connections.
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Operating Guide Termix BVX-FI RO SEK
Installation must be in compliance with local standards and regulations.
District heating (DH) - In the following sections, DH refers to the heat source which supplies the substations. A variety of energy sources, such as oil, gas or solar power, could be used as the primary supply to Danfoss substations. For the sake of simplicity, DH can be taken to mean the primary supply.
Connections:
1.Hot water circulation (HWC)
2.Domestic cold water (DCW)
3.Domestic hot water (DHW)
4.Heating (HE) return
5.Heating (HE) supply
6.District heating (DH) return
7.District heating (DH) supply
Connection sizes:
All connections: G ¾” (int. thread)
Dimensions (mm):
With cover:
H 1910 x W 600 x D 600 (type BVX 1–x)
H 1910 x W 600 x D 600 (type BVX 2–x)
Authorized personnel only
Assembly, start-up and maintenance work must be performed by qualified and authorized personnel only.
Weight (approx.): 120-150 kg
The connections are at the top of the station.
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Operating Guide Termix BVX-FI RO SEK
4.1.1 Installation
Mounting:
Adequate space
Please allow adequate space around the substation for mounting and maintenance purposes.
Orientation
The station must be mounted so that components, keyholes and labels are placed correctly. If you wish to mount the station differently please contact your supplier.
Drillings
Where substations are to be wall-mounted, drillings are provided in the back mounting plate. Floor mounted units have support.
Labelling
Each connection on the substation is labelled.
Before installation:
Clean and rinse
Prior to installation, all substation pipes and connections should be cleaned and rinsed.
Tightening
Due to vibration during transport, all substation connections must be checked and tightened before installation.
Unused connections
Unused connections and shut-off valves must be sealed with a plug. Should the plugs require removal, this must only be done by an authorized service technician.
Installation:
Strainer
If a strainer is supplied with the station it must be fitted according to schematic diagram. Please note that the strainer may be supplied loose.
Connections
Internal installation and district heating pipes connections must be made using threaded, flanged or welded connections.
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Operating Guide Termix BVX-FI RO SEK
4.2.1 Dismantle the insulation cover
Pull out slightly the bottom of the cover.
4.2.2 Pull out the cover
Pull out the cover.
4.2.3 Remove the ECL plate
Remove the ECL plate. Be careful with the cables from the ECL and other electronics.
Attention: During reassemble, please ensure that all cables are placed in the wire groves in the plate. This will ensure a tight seal.
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Operating Guide Termix BVX-FI RO SEK
4.2.4 Remove plate
Remove plate, by pulling sideways away from the unit.
Attention: During reassemble, please ensure that the cable is placed in the wire grove. This will ensure a tight seal.
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Operating Guide Termix BVX-FI RO SEK
4.2.5 Remove the frame
To remove the frame, pull it slightly forward and then up.
4.2.6 Remove the pump plate
Pull back the pump plate and place it on the pipes. Attention: Be careful with the wire for the pressure gauge.
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Operating Guide Termix BVX-FI RO SEK
Mark the position of the fixation points of the bracket for the energy display and screw the two plugs supplied into the insulation front.
Mount the bracket for the display of the energy meter.
Mount the display/calculator of the energy meter onto the bracket. Pull the wires from the sensors inside the unit through the duct/cut-out in the insulation plate.
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