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Daikin EKSRPS4AB — эффективные солнечные системы для горячего водоснабжения [7/44]

3 x Product description

Daikin EKSRPS4

Daikin Control and pump unit for solar systems

008.1624644 – 08/2015

Operating and installation instructions

3.2 Brief description

The Daikin solar system is a thermal solar system for supplying

hot water for consumption and solar support.

Mode of operation

The EKSV21P, EKSV26P and EKSH26P high-performance solar

panels efficiently convert the sun’s radiation into heat. Hereby,

the heat transport media is normal tap water.

As soon as the solar collectors have reached a useful temper-

ature level, the water of the heating jacket in the storage cylinder

(which is not under pressure) is pumped directly through the

collectors. With insufficient collector temperature, the circulation

pump is switched off and the system is drained automatically.

This operating mode has several advantages:

– High operational reliability, as there are no components that

could be damaged or fail (such as expansion vessel, safety

valve, venting valves, etc.).

– Excellent heat transfer and heat storage capacity (system

works without antifreeze agents).

– Minimum maintenance requirements.

– Frost proof.

– Without separate solar heat exchanger.

– No stagnation problems.

Modular design

The system consists of several preassembled modules. Plug-in

technology and a high degree of pre-assembly ensure fast and

simple system installation.

Storage tank

The following storage tanks can be used for the Daikin solar

system:

– Daikin EKHWP (HYC): Thermally insulated, de-pressurised

plastic storage tank (with connection facility for a Daikin air-

water heat pump).

– Daikin Altherma EHS(X/H) Solar storage tank with integrated

interior air-water heat pump device.

Electronic control

The fully electronic Daikin Solar R4 control system ensures op-

timum utilisation of the solar heat (hot consumption water gener-

ation, heating support) as well as the observance of all safety-rel-

evant aspects. All parameters needed for trouble-free operation

have been preset at factory.

3.3 System components

3.3.1 Control and pump unit for solar systems

EKSRPS4

The Daikin EKSRPS4 Control and pump unit for solar

systems can only be installed and operated as part of a

Daikin Solar System (DrainBack) using the provided

installation material.

The prerequisite for problem-free operation in the

DrainBack system, is that the connection lines are

routed with a constant gradient (at least 2 %), and that

the bottom edges on the solar panels with double-sided

connections are mounted with a constant gradient to

the return connection, or, with same side connection,

are mounted horizontally.

Construction, operating principle, commissioning, and

operation of other solar components are not described

in this manual. Detailed information about the compo-

nents can be seen in the operating and installation

instructions of the individual units.

The handling instructions and descriptions in this

manual are valid for all Daikin storage tanks to be used

in conjunction with this solar system, even if only one

type is used for illustrative purposes. In the event of de-

viations from other storage tanks, a separate note is

provided.

Consists of:

1 Cover

2 Connection piping with solar operating pump

3 Daikin Solar R4-controller with storage tank temperature sensor,

return flow temperature sensor, solar panel temperature sensor

connecting cables, FlowSensor, 230 V mains connecting cable

(3 m)

4 Accessories pocket (6 fixing screws, 2 plastic plugs, 2 locking

screws, plug fitting and gasket)

5 Mounting material (retaining bracket for pump mounting, holding

bar and fixing bracket for controller)

6 Solar documentation

Fig. 3-2 Control and pump unit for solar systems (EKSRPS4)

Daikin EKSRPS4AB — эффективные солнечные системы для горячего водоснабжения [7/44]

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