663710

Ariston NUOS PLUS Manual

28
Zoom out
Zoom in
Previous page
1/44
Next page
28
FIG. 6.11A NUOS 250I WITH TYPICAL SOLAR CONNECTION
1. Nuos 250i
2. Solar Collectors
3. Solar Pump Unit
4. Solar Controller
5. Nuos 250i Indirect Flow
6. Nuos 250i Indirect Return
6.11 NUoS 250I INDIRECT COIL
SOLAR CONNECTION
The Nuos 250i has an indirect coil that is intended for connection to a
water heating system, such as a solar system as shown below.
A manual reset overheat stat is supplied fitted to the Nuos.
For solar installations this stat should be wired so that in the event of
overheating from the solar system the thermostat switches the solar pump
Off, thus preventing flow to the Nuos.
The overheat setting for the stat should be set at a maximum temperature
70°C.
GENERAL GUIDANCE
Current guidance notes do not cover the connection of a solar thermal
circuit to an unvented storage vessel (cylinder). However, if guidance is
sought for compliance with current regulations the fundamental principle
is to provide a failsafe means of shutting off the solar input to the heat
exchanger if the cylinder temperature should rise above the set temperature
of the cylinder’s energy cut out. (See Note 1).
As with all unvented hot water systems, notification of intention to install
should be given to your local building control.
Option A. A non self resetting mechanical shut-off should be installed on
the solar primary flow to the cylinder. The mechanical shut-off should be
suitable for use with a solar primary circuit (i.e. high temperature and glycol
resistant). The mechanical shut-off should be integrated electrically with
the cylinder energy cut out/s and if necessary the solar circuit temperature
control, please refer to the solar controller manufacturer for further
information.
Option B. Where the solar controller and hydraulic system demonstrate
that by no lesser means the requirement in Option A is satisfied by other
means; certification by an approvals body is required to demonstrate that
Note:
Where secondary return circuits
are used an additional expansion
vessel may be required.
As the heat pumps condenser
coil is positioned below the
indirect coil, the Nuos 250i does
not have a dedicated solar
volume.
NUOS Indirect Return
¾ BSP Male
NUOS Indirect Flow
¾ BSP Male
From Solar
To Solar
Nuos Indirect Flow
¾”BSP Male
Nuos Indirect Return
¾”BSP Male
… 28 …


Need help? Post your question in this forum.

Forumrules
1

Forum

ariston-nuos-plus

Reset search

  • Pas d’eau chaude
    Marqué boost dans l’appareillante Submitted on 12-11-2021 at 22:31

    Reply Report abuse


Report abuse

Libble takes abuse of its services very seriously. We're committed to dealing with such abuse according to the laws in your country of residence. When you submit a report, we'll investigate it and take the appropriate action. We'll get back to you only if we require additional details or have more information to share.

Product:

For example, Anti-Semitic content, racist content, or material that could result in a violent physical act.

For example, a credit card number, a personal identification number, or an unlisted home address. Note that email addresses and full names are not considered private information.

Forumrules

To achieve meaningful questions, we apply the following rules:

Register

Register getting emails for Ariston NUOS PLUS at:


You will receive an email to register for one or both of the options.


Get your user manual by e-mail

Enter your email address to receive the manual of Ariston NUOS PLUS in the language / languages: English as an attachment in your email.

The manual is 1,24 mb in size.

 

You will receive the manual in your email within minutes. If you have not received an email, then probably have entered the wrong email address or your mailbox is too full. In addition, it may be that your ISP may have a maximum size for emails to receive.

Others manual(s) of Ariston NUOS PLUS

Ariston NUOS PLUS User Manual - German - 33 pages

Ariston NUOS PLUS User Manual - Dutch - 35 pages

Ariston NUOS PLUS User Manual - French - 34 pages


The manual is sent by email. Check your email

If you have not received an email with the manual within fifteen minutes, it may be that you have a entered a wrong email address or that your ISP has set a maximum size to receive email that is smaller than the size of the manual.

The email address you have provided is not correct.

Please check the email address and correct it.

Your question is posted on this page

Would you like to receive an email when new answers and questions are posted? Please enter your email address.



Info