To Connect A Smart Grid - Daikin ETSXB16E7 Installation Manual

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Installer's reference manual (312 pages)

Table Of Contents

Table of Contents

[9.8.1]=3 (Benefit kWh power supply = Safety

thermostat)

1 Open the following (see

"4.2.1 To open the indoor

1 User interface panel

2 Switch box

3 Switch box cover

4 Top cover

2 Connect the safety thermostat (normally closed) cable to the

appropriate terminals as shown in the illustration below.

Note: The jumper wire (factory-mounted) must be removed from the

respective terminals.

7 8

X 5M

3 Fix the cable with cable ties to the cable tie mountings. General

information, see

"6.3.1 To connect the electrical wiring to the

unit" [ 4 17].

indoor

NOTICE

Make sure to select and install the safety thermostat

according to the applicable legislation.

In any case, to prevent unnecessary tripping of the safety

thermostat, we recommend the following:

▪ The safety thermostat is automatically resettable.

▪ The safety thermostat has a maximum temperature

variation rate of 2°C/min.

▪ There is a minimum distance of 2 m between the safety

thermostat and the 3‑way valve.

NOTICE

Error. If you remove the jumper (open circuit) but do NOT

connect the safety thermostat, stop error 8H-03 will occur.

ETSH/X(B)16P30+50E

Daikin Altherma 3 H HT ECH₂O

4P679468-1B – 2022.09

unit" [ 4 8]):

6.3.13

This topic describes 2 possible ways to connect the indoor unit to a

Smart Grid:

▪ In case of low voltage Smart Grid contacts

▪ In case of high voltage Smart Grid contacts. This requires the

installation of the Smart Grid relay kit (EKRELSG).

The 2 incoming Smart Grid contacts can activate the following Smart

Grid modes:

The use of a Smart Grid pulse meter is not mandatory:

If Smart Grid pulse meter is... Then [9.8.8] Limit setting kW

Used

([9.A.2] Electricity meter 2 ≠

None)

Not used

([9.A.2] Electricity meter 2 =

Q4L

None)

In case of low voltage Smart Grid contacts

Wires (Smart Grid pulse meter): 0.5 mm²

Wires (low voltage Smart Grid contacts): 0.5 mm²

[9.8.4]=3 (Benefit kWh power supply = Smart grid)

[9.8.5] Smart grid operation mode

[9.8.6] Allow electrical heaters

[9.8.7] Enable room buffering

[9.8.8] Limit setting kW

The wiring of the Smart Grid in case of low voltage contacts is as

follows:

1 Connect the wiring as follows:

6 Electrical installation

INFORMATION

ALWAYS configure the safety thermostat after it is

installed. Without configuration, the unit will ignore the

safety thermostat contact.