Multiple Rooms - Two Lwt Zones - Daikin Altherma 3 H MT F Installer's Reference Manual
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Also See for Altherma 3 H MT F:
- Installer's reference manual (296 pages) ,
- Installation manual (48 pages) ,
- User reference manual (68 pages)
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Application guidelines
6.2.1 Multiple rooms – Two LWT zones
Installer reference guide
34
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 Bypass
Configuration. Set field setting [7-02]=0 (Number of zones = Single zone).
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 in heating, and the highest
design temperature in cooling
▪
Additional zone = Zone with the highest design temperature in heating, and the
lowest design temperature in cooling
Typical example:
Room (zone)
Living room (main zone)
Bed rooms (additional zone)
(a)
In cooling mode, you can allow the underfloor heating (main zone) to provide refreshment
(no real cooling), or NOT allow it. See setup below.
a
Heat emitters: Design temperature
Underfloor heating:
▪
In heating: 35°C
(a)
▪
In cooling
: 20°C (only refreshment,
no real cooling allowed)
Heat pump convectors:
▪
In heating: 45°C
▪
In cooling: 12°C
EPRA08~12EAV3+W1 + ETVZ12S18+23EA6V+9W
Daikin Altherma 3 H MT F
4P634887-1 – 2021.03
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