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Instructions for installation and use
TD & S substations
Danfoss District Energy
VI.GP.U2.02
DKDHR
8.
Installation instructions, Safety and Handling
Instructions
Please read these instructions carefully before installing and com-
missioning this unit. 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.
Installation, commissioning and maintenance must be carried out
by qualified and authorised personnel (both plumbing and electri-
cal work).
Heat source
The substation is primarily designed for connection to district heating.
Alternative energy sources can be used if the operating conditions
are equivalent to district heating at all times.
Application
The substation is designed exclusively to heat water.
The substation must not be used to heat other media.
The substation is to be connected to the household piping in a frost-
free room, where the temperature does not exceed 50°C, and where
the relative humidity is not higher than 80%. The substation must not
be covered, bricked in or otherwise cut off from access.
Choise of materials
Only use materials that comply with local regulations.
Corrosion
The maximum chlorine content of the medium must not be higher
than 300 mg/l. The risk of corrosion increases considerably if the
recommended chlorine content is exceeded.
Safety valve(s)
Safety valves must always be installed in accordance with the appli-
cable local regulations.
Noise level
≤ 55 dB
Connection
It must be possible to cut off all energy sources to the unit –
including electrical connections – at all times.
Warning! Hot surfaces
Parts of the unit may be very hot and can cause burn injuries. Be
very careful when you are in the immediate vicinity of the unit.
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 outflow of the medium. 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 fire, leaks or other hazards, immediately shut off all
energy sources to the substation, if possible, and call appropriate
assistance.
If the domestic hot water is discoloured or malodorous, shut off
all ball valves on the substation, notify all users and call profes-
sional assistance without delay.
Warning about damage during transport
On reception of the substation, and before installing it, check for
any evidence of damage during transport.
The substation must be handled and moved with the greatest
care and attention.
NB! - Tightening of connections
Before filling the substation with water, ALL pipe connections
MUST be retightened, as vibrations during transport may have
caused leaks. Once the substation has been filled and the system
is hot, ALL pipe connections MUST be retightened once more.
DO NOT OVERTIGHTEN THE PIPE CONNECTIONS – see page 11,
“Test & connections”.
Storage
Before installation, the unit(s) must be stored in a dry, heated (i.e. frost-
free) room.
(Relative humidity max. 80% and storage temp. 5–70°C).
The units must not be stacked higher than the limit at the factory (max.
8 layers). Units supplied in cardboard packaging must be lifted using
the handles incorporated in the packaging. Units must be placed on
pallets for transport/moving across large distances.
As far as possible, do not lift the unit by the pipes. Lifting by the pipes
may cause leaks. REMEMBER to retighten.
Disposal
Dispose of the packaging in accordance with the local regulations
for disposal of used packaging materials.
The substation is made of materials that cannot be disposed of together
with household waste.
Close all energy sources and disconnect all connection pipes. Disconnect
and dismantle the product for disposal in accordance with the appli-
cable local regulations for the disposal of the individual components.
Handling
We recommend that you wear suitable safety footwear while
handling and installing the substation.
