Heat Source Connection; Temperature Sensor - Dimplex SIK 6TES Installation And Operating Instruction

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Minimum heating water flow rate
The minimum heating water flow rate through the heat pump
must be assured in all operating states of the heating system.
This can be accomplished, for example, by installing either a
dual differential pressureless manifold or an overflow valve. The
procedure for adjusting an overflow valve is described in the
Chapter Start-Up.
NOTE
The use of an overflow valve is only recommended for panel
heating and a max. heating water flow of 1.3 m³/h. System
faults may result if this is not observed.
The antifreeze function of the heat pump manager is active
whenever the heat pump manager and the heat circulating
pumps are ready for operation. If the heat pump is taken out of
service or in the event of a power failure, the system has to be
drained. The heating circuit should be operated with a suitable
antifreeze if heat pump systems are implemented in buildings
where a power failure can not be detected (holiday home).
The integrated expansion vessel has a volume of 24 litres. This
volume is suitable for buildings with a living space area to be
heated of maximum 200 m².
The volume should be checked by the heating system techni-
cian. If necessary, an additional expansion vessel must be in-
stalled (according to DIN 4751, Part 1). The tables listed in the
manufacturers' catalogues simplify dimensioning the system
on the basis of the water content.
CAUTION!
In the case of large-volume heating circuits, an additional
expansion vessel must be used to supplement the installed
expansion vessel (24 litres, 1.0 bar admission pressure).
EN-6

7.3 Heat Source Connection

The following procedure must be observed when connecting
the heat source:
Connect the brine pipe to the heat pump flow and return.
The hydraulic integration diagram must be adhered to.
The dirt trap included in the scope of supply must be inserted in
the brine inlet of the heat pump by the customer.
The brine liquid must be produced prior to charging the system.
The liquid must have an antifreeze concentration of at least
25 % to ensure frost protection down to -14 °C.
Only monoethylene glycol or propylene glycol-based antifreeze
may be used.
The heat source system must be de-aerated and checked for
leaks.
CAUTION!
The brine solution must contain at least a 25 % concentration
of a monoethylene glycol or propylene glycol-based
antifreeze, which must be mixed before filling.
NOTE
A suitable de-aerator (micro bubble air separator) must be
installed in theheat source circuit by the customer.

7.4 Temperature sensor

The following temperature sensors are already installed or must
be installed additionally:
External temperature sensor (R1) supplied (NTC-2)

Return temperature heating circuit (R2) installed (NTC-10)

Flow temperature heating circuit (R9) installed (NTC-10)

Flow temperature primary circuit (R6) installed (NTC-10)

452231.66.34a · FD 0201
SIK 6TES - SIK 14TES
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