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VX Solo II
Operating guide [de]
56 pgs13.21 Mb0
Operating guide [da]
16 pgs4.73 Mb0
Fact sheet [cs]
8 pgs1.7 Mb0
Operating guide
44 pgs16.05 Mb0
Fact sheet
8 pgs1.77 Mb0
Operating guide [pl]
32 pgs9.7 Mb0
Fact sheet [pl]
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Operating guide [fr]
56 pgs2.62 Mb0
Fact sheet [fr]
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Fact sheet [da]
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Danfoss VX Solo II Operating guide

MAKING MODERN LIVING POSSIBLE
Danfoss District Energy
VX Solo II
Instructions for installation and use
Instructions for installation and use VX Solo II substations
VX Solo II (T°C)
- 1 HE circuit
VX Solo II H2WP (ECL 210/A260
- 2 HE circuits, primary con­nection for DHW cylinder
VX Solo II H (ECL 210/A230
- 1 HE circuit
VX Solo II H2WP (ECL 310/A377
- 2 HE circuits, primary con­nection for DHW cylinder
VX Solo II H2 (ECL 210/A260
- 2 HE circuits
VX Solo II HWS (ECL 210/A237
- 1 HE circuit, secondary con­nection for DHW cylinder
VX Solo II HWP (ECL 210/A237
- 1 HE circuit, primary con­nection for DHW cylinder
VX Solo II HWS (ECL 210/A247
- 1 HE circuit, mixing loop, sec. connection for DHW cylinder
VX Solo II HWP (ECL 210/A247
- 1 HE circuit, primary con­nection for DHW cylinder
VX Solo II H2WS (ECL 210/A267
- 2 HE circuits, secondary connection for DHW cylinder
1. Contents
1.0 Contents .................................................................................................................................................................................................................................................2
2.0 Product introduction ..........................................................................................................................................................................................................................3
3.0 Dimensional sketch / connections ............................................................................................................................................................................................. 13
4.0 Enduser instructions, General ...................................................................................................................................................................................................... 14
5.0 Enduser instructions, Adjustment and Setting ..................................................................................................................................................................... 15
6.0 Installation instructions, Safety and Handling ....................................................................................................................................................................... 16
7.0 Installation instructions - Getting started ............................................................................................................................................................................... 17
8.0 Description of VX Solo variants ................................................................................................................................................................................................... 18
9.0 Installation instructions, general ................................................................................................................................................................................................ 19
10.0 Adjustment and commissioning, lling the system and dierential pressure controller ..................................................................................... 22
11.0 Adjustment and commissioning, Heating circuit ................................................................................................................................................................24
12.0 Circulation pump, Heating circuit .............................................................................................................................................................................................. 30
13.0 Adjustment and commissioning, DHW cylinder circuit ..................................................................................................................................................... 31
14.0 Pump, DHW cylinder circuit ......................................................................................................................................................................................................... 32
15.0 Maintenance ...................................................................................................................................................................................................................................... 33
16.0 Troubleshooting ............................................................................................................................................................................................................................... 35
17.0 EU Declaration of Conformity ..................................................................................................................................................................................................... 39
18.0 Commissioning Certicate ........................................................................................................................................................................................................... 41
2
DKDHR VI.GP.P2.02 Danfoss District Energy
Instructions for installation and use VX Solo II substations
2.0 Product introduction
2.1 VX Solo II (T°C ) - 1 HE circuit + prim. connection for DHW cylinder
Cylinder supply
Cylinder return
DH Supply
DH Return
1 Plate heat exchanger HE 4 Di. pressure controller 5 Strainer 7 Ball valve 8 Circulation pump HE 11 Safety valve HE 13 Thermometer 14 Pockets for pressure gauge
½”
15 Manometer 16 Expansion vessel 17 Air valve 23 Sensor pocket for heat meter 24 Flexible tting piece for heat
meter
30 Thermostatic valve T°C200/VS2
HE Supply
HE Return
Principal components
1 Plate heat exchanger 4 Dierential pressure controller 8 Circulation pump, HE 16 Expansion vessel 17 Air valve 24 Fitting piece for heat meter 30 Thermostat T°C 200
The substation oers variable connection possibilities, as con­nection of pipes can be established both in the top or in the bottom of the substation. Please note that the ball valves are supplied loose with the substation, - for mounting on site.
Accessories available as extra equipment (mounting on site)
RAVK 25-65/VMA thermostatic valve for DHW - Code No. 144B2021
17
1
16
30
4
8
24
24
HE return
DH supply
DH returnf
Primary Secondary DHW
Danfoss District Energy VI.GP.P2.02 DKDHR
HE supply
Cylinder return
Cylinder supply
33
Instructions for installation and use VX Solo II substations
2.2 VX Solo II H (ECL 210/A230) - 1 HE circuit
DH Supply
DH Return
1 Plate heat exchanger HE 5 Strainer 7 Ball valve 8 Circulation pump HE 11 Safety valve HE 13 Thermometer 14 Pockets for pressure gauge 15 Manometer 16 Expansion vessel 23 Sensor pocket for heat meter
24 Fitting piece for heat meter ¾” x 110 mm 25 Controller Danfoss ECL210/
A230 26 Outdoor sensor , ESMT 27 Sensor, ESMC 29 Actuator AMV 150 30 Flow controller with integrated
control valve AHQM
---------------------------------------------­Options: 57 Safety thermostat
HE Supply
HE Return
Principal components
1 Plate heat exchanger 8 Circulation pump, HE 11 Safety valve, HE 16 Expansion vessel 24 Fitting piece for heat meter 25 Electronic controller 29 Actuator AMV 150 30 Flow controller with integrated control valve AHQM
The substation oers variable connection possibilities, as con­nection of pipes can be established both in the top or in the bottom of the substation. Please note that the ball valves are supplied loose with the substation, - for mounting on site.
Variants available with safety function for HE circuit.
25
29
1
30
16
8
11
24
DH return
DH supply
Primary
4
DKDHR VI.GP.P2.02 Danfoss District Energy
HE return
Secondary
HE supply
Instructions for installation and use VX Solo II substations
2.3 VX Solo II H2 (ECL 210/A260) - 2 HE circuits
1 Plate heat exchanger, HE, with insulation 5 Strainer 6 Non-return valve 7 Ball valve 8 Circulation pump HE 10 Circulation pump FH 11 Safety valve HE 13 Thermometer 14 Pocket for pressure gauge 15 Manometer 16 Expansion vessel 23 Sensor pocket for heat meter 24 Fitting piece for heat meter 3/4” x 110 mm 25 Controller Danfoss ECL 210/A260 26 Outdoor sensor, ESMT
DH Supply
DH Return
Principal components
1 Plate heat exchanger 8 Circulation pump, HE 10 Circulation pump, FH 11 Safety valve, HE 16 Expansion vessel 24 Fitting piece for heat meter 25 Electronic controller 29 Actuator AMV 13 30 Flow controller with integrated control valve AHQM 33 Actuator AMV150 34 3-way valve VMV 30/15 57 Safety temperature monitor
27 Sensor Danfoss, ESMC 29 Danfoss actuator AMV 13, HE 30 Danfoss ow controller with integrated control valve AHQM 33 Danfoss actuator AMV 150, FH 34 3-way valve VMV 57 Safety thermostat
Supply limit
FH Supply
FH Return
HE Supply
HE Return
57
25
1
34
29
33
The substation oers variable connection possibilities, as con­nection of pipes can be established both in the top or in the bottom of the substation. Please note that the ball valves are supplied loose with the substation, - for mounting on site.
Variants available with safety function for two HE circuits.
16
8
30
10
11
24
DH return
DH supply
Primary Secondary
Danfoss District Energy VI.GP.P2.02 DKDHR
HE return
HE supply
FH supply
FH return
55
Instructions for installation and use VX Solo II substations
2.4 VX Solo II HWP (ECL 210/A237) - 1 HE circuit + prim. connection for DHW cylinder
Storage cylinder
DH Supply
DH Return
Supply limit
Cylinder supply
Cylinder return
1 Plate heat exchanger HE with insulation 4 Dierential pressure controller with ow
limitation AVPB-F 5 Strainer 7 Ball valve 8 Circulation pump HE 11 Safety valve HE 13 Thermometer
14 Pockets for pressure gauge 15 Manometer 16 Expansion vessel 23 Sensor pocket for heat meter 24 Fitting piece for heat meter 25 Controller Danfoss ECL Comfort 210/A237 26 Outdoor sensor, ESMT 27 Sensor, ESMC 29 Actuator AMV 150, HE 30 2-way valve VS 2
-------------------------------------­Options: 57 Safety thermostat
HE Supply
HE Return
Principal components
1 Plate heat exchanger HE 4 Dierential pressure controller 8 Circulation pump, HE 11 Safety valve, HE 16 Expansion vessel 24 Fitting piece for heat meter 25 Electronic controller 29 Actuator AMV 150 30 2-way valve VS2
The substation oers variable connection possibilities, as con­nection of pipes can be established both in the top or in the bottom of the substation. Please note that the ball valves are supplied loose with the substation, - for mounting on site.
Accessories available as extra equipment (mounting on site)
RAVK 25-65/VMA thermostatic valve for DHW - Code No. 144B2021 AVTB 15 kvs=1.9 thermostatic valve for DHW - Code No. 144B2022
Variants available with safety function for HE circuit.
1
25
29
30
16
11
8
4
24
DH return
DH supply
Primary
6
DKDHR VI.GP.P2.02 Danfoss District Energy
HE return
HE supply
Cylinder supply
Secondary DHW
Cylinder return
Instructions for installation and use VX Solo II substations
2.5 VX Solo II HWP (ECL 210/A247) - 1 HE circuit + prim. connection for DHW cylinder
Supply limit
Storage cylinder
Cylinder Supply
Cylinder Return
DH Supply
DH Return
Principal components
1 Plate heat exchanger HE 8 Circulation pump, HE 11 Safety valve, HE 16 Expansion vessel 24 Fitting piece for heat meter 25 Electronic controller ECL 210/A247 29 Actuator AMV 13 30 Flow controller with integrated control valve AHQM 31 Actuator AMV 150 32 Flow controller with integrated control valve AHQM 57 Safety temperature monitor
1 Plate heat exchanger HE with insulation 5 Strainer 7 Ball valve 8 Circulation pump HE 11 Safety valve HE 13 Thermometer 14 Pockets for pressure gauge 15 Manometer 16 Expansion vessel
25
1
23 Sensor pocket for heat meter 24 Fitting piece for heat meter 25 Controller Danfoss ECL Comfort 210/A247 26 Outdoor sensor, ESMT 27 Sensor, ESMC 28 Immersion sensor ESMB 29 Actuator AMV 13, HE 30 Flow controller with integrated
control valve AHQM 31 Actuator AMV 150, Cylinder 32 Flow controller with integrated
control valve AHQM
------------------------------------------­Options: 57 Safety thermostat
HE Supply
HE Return
57
31
29
The substation oers variable connection possibilities, as con­nection of pipes can be established both in the top or in the bottom of the substation. Please note that the ball valves are supplied loose with the substation, - for mounting on site.
Variants available with safety function for HE circuit.
16
8
30
11
24
DH return
DH supply
Primary Secondary DHW
Danfoss District Energy VI.GP.P2.02 DKDHR
HE return
HE supply
Cylinder return
Cylinder supply
32
77
Instructions for installation and use VX Solo II substations
2.6 VX Solo II H2WP (ECL 210/A260) - 2 HE circuit + prim. connection for DHW cylinder
1 Plate heat exchanger HE 4 Dierential pressure controller
with ow limitation AVPB-F 5 Strainer 6 Non-return valve
Supply limit
Storage cylinder
DH Supply
DH Return
Cylinder supply
Cylinder return
7 Ball valve 8 Circulation pump HE 10 Circulation pump FH 11 Safety valve HE 13 Thermometer 14 Pockets for pressure gauge 15 Manometer 16 Expansion vessel 23 Sensor pocket for heat meter
24 Fitting piece for heat meter 25 Controller Danfoss ECL Comfort 210/A260 26 Outdoor sensor ESMT 27 Sensor , ESMC 29 Actuator AMV 13, HE 30 2-way valve VS2
FH supply
FH return
33 Actuator AMV 150, FH 34 Three way valve VMV 57 Safety thermostat, FH circuit
-------------------------------------------­Options: 57 Safety thermostat, HE circuit
Supply limit
HE Supply
HE Return
Principal components
1 Plate heat exchanger 4 Dierential pressure controller 8 Circulation pump, HE 10 Circulation pump, FH 11 Safety valve, HE 16 Expansion vessel 24 Fitting piece for heat meter 25 Electronic controller 29 Actuator AMV 13 30 Flow controller with integrated control valve AHQM 33 Actuator AMV 150 34 3-way valve VMV 30/15 57 Safety temperature monitor
The substation oers variable connection possibilities, as con­nection of pipes can be established both in the top or in the bottom of the substation. Please note that the ball valves are supplied loose with the substation, - for mounting on site.
Accessories available as extra equipment (mounting on site)
RAVK 25-65/VMA thermostatic valve for DHW - Code No. 144B2021 AVTB 15 kvs=1.9 thermostatic valve for DHW - Code No. 144B2022
Variants available with safety function for two HE circuits.
1
16
25
8
24
29
57
34
33
30
10
11
4
DH return
DH supply
Primary Secundary
8
DKDHR VI.GP.P2.02 Danfoss District Energy
HE return
HE supply
FH return
FH supply
Cylinder return
Cylinder supply
DHW
Instructions for installation and use VX Solo II substations
2.7 VX Solo II H2WP (ECL 310/A377) - 2 HE circuit + prim. connection for DHW cylinder
1 Plate heat exchanger HE 5 Strainer 6 Non-return valve 7 Ball valve 8 Circulation pump HE 10 Circulation pump FH 11 Safety valve FH
Storage cylinder
DH Supply
DH Return
13 Thermometer 14 Pockets for pressure gauge 15 Manometer 16 Expansion vessel 23 Sensor pocket for heat meter 24 Fitting piece for heat meter 25 Controller Danfoss ECL Comfort 310/377
Supply limit
Cylinder supply
Cylinder return
26 Outdoor sensor ESMT 27 Sensor , ESMC 28 Immersion sensor ESMB 29 Actuator AMV 13, HE 30 Flow controller with integrated
control valve AHQM 31 Actuator AMV 150, Cylinder 32 Flow controller with integrated
control valve AHQM
FH supply
FH return
33 Actuator AMV 150, FH 34 Three way valve VMV 57 Safety thermostat, FH circuit
-------------------------------------------­Options: 57 Safety thermostat, HE circuit
Supply limit
HE Supply
HE Return
Principal components
1 Plate heat exchanger 4 Dierential pressure controller 8 Circulation pump, HE 10 Circulation pump, FH 11 Safety valve, HE 16 Expansion vessel 24 Fitting piece for heat meter 25 Electronic controller 29 Actuator AMV 13 30 Flow controller with integrated control valve AHQM 31 Actuator AMV 150 32 Flow controller with integrated control valve AHQM 33 Actuator AMV 150 34 3-way valve VMV 30/15 57 Safety temperature monitor
The substation oers variable connection possibilities, as con­nection of pipes can be established both in the top or in the bottom of the substation. Please note that the ball valves are supplied loose with the substation, - for mounting on site.
Variants available with safety function for two HE circuits.
1
16
25
8
24
29
30
11
57
34
4
33
31
32
10
DH return
DH supply
Primary Secundary
Danfoss District Energy VI.GP.P2.02 DKDHR
HE return
HE supply
FH return
FH supply
Cylinder return
Cylinder supply
DHW
99
Instructions for installation and use VX Solo II substations
2.8 VX Solo II HWS (ECL 210/A237) - 1 HE circuit + sec. connection for DHW cylinder
1 Plate heat exchanger HE 5 Strainer 6 Non-return valve 7 Ball valve 8 Circulation pump HE 8A Circulation pump DHW 11 Safety valve HE 13 Thermometer 14 Air valve 15 Manometer 16 Expansion vessel 23 Sensor pocket for heat meter
24 Fitting piece for heat meter 25 Controller Danfoss ECL Comfort 210/A237 26 Outdoor sensor, ESMT 27 Sensor, ESMC 28 Immersion sensor ESMB 29 Actuator AMV 150, HE 30 Flow controller with integrated
control valve AHQM
------------------------------------------­Options: 57 Safety thermostat
DH Supply
DH Return
Principal components
1 Plate heat exchanger 8 Circulation pump, HE 8A Circulation pump, Cylinder 11 Safety valve, HE 16 Expansion vessel 24 Fitting piece for heat meter 25 Electronic controller 29 Actuator AMV 150 30 Flow controller with integrated control valve AHQM
Supply limit
Storage cylinder
Cylinder supply
Cylinder return
HE Supply
HE Return
25
1
29
The substation oers variable connection possibilities, as con­nection of pipes can be established both in the top or in the bottom of the substation. Please note that the ball valves are supplied loose with the substation, - for mounting on site.
30
16
Variants available with safety function for HE circuit.
11
8
24
DH return
DH supply
Primary
10
DKDHR VI.GP.P2.02 Danfoss District Energy
HE return
HE supply
Cylinder supply
Secondary DHW
8A
Cylinder return
Instructions for installation and use VX Solo II substations
2.9 VX Solo II HWS (ECL 210/A247) - 1 HE circuit + mixing loop, sec. connection for DHW cylinder
1 Plate heat exchanger HE 5 Strainer 6 Non-return valve 7 Ball valve 8A Circulation pump DHW 10 Circulation pump HE 11 Safety valve HE 13 Thermometer 14 Pockets for pressure gauge 15 Manometer 16 Expansion vessel 23 Sensor pocket for heat meter 24 Fitting piece for heat meter 25 Controller Danfoss ECL Comfort 210/A247 26 Outdoor sensor ESMT 27 Sensor, ESMC
DH Supply
DH Return
Principal components
1 Plate heat exchanger 8A Circulation pump, Cylinder 10 Circulation pump, HE 11 Safety valve, HE 16 Expansion vessel 24 Fitting piece for heat meter 25 Electronic controller 29 Actuator AMV 150 30 Flow controller with integrated control valve AHQM 33 Actuator AMV150 34 3-way valve VMV 30/15
The substation oers variable connection possibilities, as con­nection of pipes can be established both in the top or in the bottom of the substation. Please note that the ball valves are supplied loose with the substation, - for mounting on site.
28 Immersion sensor ESMB 29 Actuator AMV 150 30 Flow controller with integrated
control valve AHQM 33 Actuator AMV 150 34 Three-way valve VMV
-------------------------------------------­Options: 57 Safety thermostat, HE circuit
Supply limit
HE Supply
HE Return
Cylinder Supply
Cylinder Return
25
Radiator heating / Floor heating
34
33
29
1
30
16
10
11
8A
Variants available with safety function for two circuits.
24
DH supply
Danfoss District Energy VI.GP.P2.02 DKDHR
DH return
Cylinder return
Primary Secondary
HE return
Cylinder supply
HE supply
1111
Instructions for installation and use VX Solo II substations
2.10 VX Solo II H2WS (ECL 210/A267) - 2 HE circuits + sec. connection for DHW cylinder
1 Plate heat exchanger HE 5 Strainer 6 Non-return valve 7 Ball valve 8 Circulation pump HE 8A Circulation pump DHW 10 Circulation pump FH 11 Safety valve HE 13 Thermometer 15 Manometer 16 Expansion vessel 23 Sensor pocket for heat meter 24 Fitting piece for heat meter 25 Controller Danfoss ECL Comfort 210/A267 26 Outdoor sensor ESMT 27 Sensor, ESMC
DH Supply
DH Return
28 Immersion sensor ESMB 29 Actuator AMV 13, HE 30 Flow controller with integrated control
valve AHQM 33 Actuator AMV 150 34 Three way valve VMV 57 Safety thermostat, FH circuit
------------------------------------------------------­Options: 57 Safety thermostat, HE circuit
Supply limit
Cylinder supply
Cylinder return
FH supply
FH return
Storage cylinder
HE Supply
HE Return
Principal components
1 Plate heat exchanger 8 Circulation pump, HE 8A Circulation pump, Cylinder 10 Circulation pump, FH 11 Safety valve, HE 16 Expansion vessel 24 Fitting piece for heat meter 25 Electronic controller 29 Actuator AMV 13 30 Flow controller with integrated control valve AHQM 33 Actuator AMV 150 34 3-way valve VMV 30/15 57 Safety temperature monitor
The substation oers variable connection possibilities, as con­nection of pipes can be established both in the top or in the bottom of the substation. Please note that the ball valves are supplied loose with the substation, - for mounting on site.
Variants available with safety function for two HE circuits.
57
25
1
30
16
8
11
29
8A
34
33
10
24
4
DH return
DH supply
Primary Secundary
12
DKDHR VI.GP.P2.02 Danfoss District Energy
HE return
HE supply
Primary
FH supply
FH return
Cylinder return
Cylinder supply
Secundary
40 780 41
861
550
510
55,1 670
136
D
C
B
A
87
6
5
4
3
2
1
Instructions for installation and use VX Solo II substations
3.0 Dimensional sketch / connections
VX Solo II HWP / HWS
Dimensions:
Dimensions without cover H 861 x W max. 525 x D 345 mm
Dimensions with cover H 861 x W 550 x D 381 mm
Note dimensions for VX Solo II T°C:
Dimensions without cover H 801 x W max. 525 x D 345 mm
Dimensions with cover H 801 x W 550 x D 380 mm
Connections:
Order: 1 District heating (DH) supply 2 District heating (DH) return 3 Heating (HE) / Cylinder return 4 Heating (HE) / Cylinder supply 5 Cylinder / HE supply 6 Cylinder / HE return
Connections size:
DH: G¾” (ET) DCW, DHW, HE: G¾” (IT
VX Solo II H2WP / H2WS
Dimensions:
Dimensions without cover H861 x W650 x D365 mm
Dimensions with cover H861 x W700 x D381 mm
Connections:
Order: 1 District heating (DH) supply
861
2 District heating (DH) return 3 Heating (HE) return 4 Heating (HE) supply 5 Floor heating supply 6 Floor heating return 7 Cylinder supply 8 Cylinder return
Connections size:
DH: G¾” (ET)
Wall
381
DCW, DHW, HE: G¾” (IT
381
top view
Danfoss District Energy VI.GP.P2.02 DKDHR
1313
Instructions for installation and use VX Solo II substations
4.0 Enduser instructions, General
Instructions
Please read these instructions carefully before installing and commis­sioning this substation. The manufacturer accepts no liability for loss or damage resulting from failure to comply with these instructions for use. Read and follow these instructions carefully to prevent the risk of physical injury and/or damage to property. Exceeding the recommended operating parameters appreciably increases the risk of personal injury and/or damage to property.
Warning! Hot surfaces
Parts of the substation may be very hot and can cause burn in­juries. Be very careful when you are in the immediate vicinity of the unit.
Installation, commissioning and maintenance must be carried out by qualied and authorised personnel (both plumbing and electri­cal work). Once the station has been installed and is operating, there is nor- mally no need to alter the settings or other functions. The district heating substation is very reliable and easy to operate.
For more detailed information about the substation, see the sec­tions concerning installation and commissioning.
Description
These instructions apply to substation types VX Solo II, which are dis­trict heating substations for indirect heating for single-family houses, semi-detatched and terraced houses as well as ats. With one or two heating circuits for radiator and/or oor heating and with connec­tion pipes for domestic hot water cylinder on primary or secondary side. For wall-mounting and with variable connection possibilities.
The HE supply temperature is controlled either by a self-acting ther­mostat T°C 200 or by a Danfoss ECL controller in combination with an electronic actuator. The ECL controller acts as the brain of the heating system. It lets you easily control and optimise system performance and operation.
We recommend regular inspections of the substation - ideally in connection with readings of the district heating meter. Pay special attention to any leaks and an excessively high return temperature in the district heating circuit (poor cooling of the district heating water). Cooling – i.e. the dierence between the supply and return temperature of the district heating water – has a signicant ef­fect on the overall energy economy. Therefore, it is important to focus on the supply and return temperature in the heating system. The dierence should typically be 30–35°C in systems that operate with radiators. In systems that feature oor heating, the dierence is typically 5–10°C. In these systems, it is important that the supply temperature does not exceed 35°C.
Warnings about high pressure and high temperature
The maximum supply temperature in the district heating net­work can be up to 120°C and the operating pressure can be up to 16 bar. This may result in a risk of scalding from touching the substation and from outow of the medium (water/steam). Ex­ceeding the substation design data and operating parameters for pressure and temperature carries an appreciable risk of personal injury and/or damage to property.
Emergencies
In the event of re, leaks or other hazards, immediately shut o all sources of energy to the substation, if possible, and call for appropriate assistance. If the domestic hot water is discoloured or malodorous, shut o all ball valves on the substation and the storage cylinder, notify all users and call for professional assistance without delay.
Irregularities
When reading the meters, check all joints and connections for leaks.
If you identify any irregularities/leaks, contact your professional provider for assistance. Check the troubleshooting section before contacting your professional provider.
14
DKDHR VI.GP.P2.02 Danfoss District Energy
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