6
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Application guidelines
Installer reference guide
32
ERGA04~08EA + 08S18+23EA
Daikin Altherma 3 R F
4P629093-1A – 2021.11
6.2 Setting up the space heating system
The Daikin heat pump system supplies leaving water to heat emitters in one or
more rooms.
Because the system offers a wide flexibility to control the temperature in each
room, you need to answer the following questions first:
▪
How many rooms are heated by the Daikin heat pump system?
▪
Which heat emitter types are used in each room and what is their design leaving
water temperature?
Once the space heating requirements are clear, Daikin recommends to follow the
setup guidelines below.
NOTICE
If an external room thermostat is used, the external room thermostat will control the
room frost protection. However, the room frost protection is only possible if [C.2]
Space heating/cooling
=
On
.
NOTICE
If you install this unit as a single-zone application, then:
Setup.
Install a bypass between the space heating water inlet and outlet of the
additional zone (=direct zone). Do NOT interrupt the water flow by closing the shut-
off valves.
a
a
Bypass
Configuration.
Set field setting [7-02]=0 (
Number of zones
=
Single zone
).
6.2.1 Multiple rooms – Two LWT zones
This unit is designed to deliver water at 2 different temperatures. A typical
installation consists of underfloor heating at a lower temperature and radiators at
a higher water temperature.
In this document:
▪
Main zone = Zone with the lowest design temperature
▪
Additional zone = Zone with the highest design temperature
Typical example:
Room (zone)
Heat emitters: Design temperature
Living room (main zone)
Underfloor heating: 35°C
Bed rooms (additional zone)
Heat pump convectors: 45°C
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