Daikin EHSHB04P30A [21/68] Opening the control housing and establishing electrical connections
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Daikin EHSHB04P30A [21/68] Opening the control housing and establishing electrical connections

Daikin EHSHB04P30A [21/68] Opening the control housing and establishing electrical connections
3 x Set-up and installation
Daikin Altherma EHS(X/H)
Daikin Solar tank with integrated interior heat pump unit
008.1420744 – 06/2015
Installation and maintenance manual
21
3.4.9 Opening the control housing and establishing
electrical connections
Fig. 3-14 Dismount right housing
cover.
Fig. 3-15 Unlock front panel.
Fig. 3-16 Open front panel and
place in assembly posi-
tion.
Fig. 3-17 Route cabling into the
regulator and make the
electrical connections.
Fig. 3-18 Lay cables in the right
housing cover.
Fig. 3-19 Install the right housing
cover.
Fig. 3-20 Make the electrical con-
nections to the rear of
the
housing
(see section 3.4.1).
Fig. 3-21 Fasten cabling on the
stor
age container.
3.4.10 Connection of ERLQ exterior heat pump unit
This component has a separate manual attached,
including among other things instructions for installation
and operation.
● Dismount the protective cover (see section 3.4.8).
● Connect the exterior heat pump unit to the terminal strip
XAG1 (see fig. 3-20, fig. 3-22).
Fig. 3-22 Connection of exterior heat pump unit
When switching off the heat pump exterior unit using a
switching system prescribed by the energy supply com-
pany (EVU), the internal Daikin Altherm
a EHS(X/H)
device is not disconnected (see section 3.4.20).
3.4.11 Connection of external temperature sensor
RoCon OT1
The exterior heat pump unit of the Daikin Altherma EHS(X/H) has
a built-in exterior temperature sensor which is used to regulate
the inflow temperature depending on the weather, with frost pro-
tection function.
The weather-controlled flow temperature regulation can be opti-
mised with the RoCon OT1 optional exte
rnal temperature probe,
which can be installed on the north face of the building.
If the Daikin Altherma EHS(X/H) is used in a CAN bus
system as a master ("terminal function" for the remote
control of other data bus devices), the exterior temper-
ature sensor Ro
Con OT1 must be connected directly
to the regulator RoCon HP on the master and not to
the remote controlled device (mixer circuit module
EHS157068 or a different heat generator).
Choose a location at about one third of the building height
(mi
nimum distance from floor: 2 m) at the coldest side of the
bui
lding (North or North-East). Thereby, exclude the proximity of
external heat sources (chimney, air shafts) and direct sunshine.
● Place external temperature sensors in such a way that the
cable exit points face downwards (prevents humidity ingress).
CAUTION!
The parallel routing of sensor and mains lines within
an installation pipe can cause considerable malfunc-
tioning in the regular operation of the Daikin Altherma
EHS(X/H).
● Always lay the sensor line separately.

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