Inta ZERO001 Zero Anti Freeze Valve Instruction Manual
- June 10, 2024
- Inta
Table of Contents
Inta ZERO001 Zero Anti Freeze Valve
In this procedure document we have endeavored to make the information as accurate as possible. We cannot accept any responsibility should it be found that in any respect the information is inaccurate or incomplete or becomes so as a result of further developments or otherwise.
Introduction
The Inta Zero is a unique anti-freeze valve designed to protect heat pump
systems operating with water. Designed to discharge when the system water
temperature goes down to 3˚C preventing ice from forming in the heat pump
circuit that could cause breakdown or costly damage to the system. The Inta
Zero has been designed and engineered to avoid negative influences from low
ambient temperatures by directly positioning the element in the system water
flow, permitting accurate system discharge only when its truly needed. A
protective ring has been included in the construction to prevent system debris
clogging the operation of the valve. Double O-rings and reduced surface
friction treatment on the operating member also ensure correct operation and
reliability time after time. These instructions cover the installation,
operation and maintenance. Please read the enclosed instructions before
commencing the installation of this product, please note; We recommend that
the installation of any Inta product is carried out by an approved installer.
It is recommended, especially in hard water areas, that a water softener such
as the ActivFlo or ActivFlo lite be fitted to reduce the risk of calcium
deposits forming.
Products
- Zero anti-freeze valve 1″ M x M connections ZERO001
- Zero anti-freeze valve 1¼” M x M connections ZERO114
- Zero anti-freeze valve 28mm ZERO28
Technical Specification
- Max. inlet pressure – static: 10 bar
- Medium: Water
- Sensitivity: ±1˚C
- Opening temperature: 3˚C
- Closing temperature: 4˚C
- Threaded connections: BS EN ISO 228
- Compression connections: BS EN 1254-2
Materials
- Valve body: Brass BS EN 12165 CW617N
- Spring: Stainless steel
- Temperature element: Wax
- Internal seals: EPDM peroxide
- Internal parts: Brass
Dimensions
Check Components
Before commencing remove all components from packaging and check each
component with the contents list. Ensure all parts are present, before
discarding any packaging. If any parts are missing, do not attempt to install
your Inta Zero anti-freeze valve until the missing parts have been obtained
.
Preparation for installation
Flush the water supply pipes thoroughly prior to installation. Do not allow
debris, PTFE tape or any metal particles to enter the system.
Important: All plumbing is to be installed in accordance with applicable
codes and regulations.
Important: When fitting/installing a heat pump system or components it is
essential that the correct insulation is used and properly sealed to reduce
the heat loss from the system, maintaining the system efficiency.
Installation
- The Zero anti-freeze valve must only be installed in a vertical position, with the outlet facing downwards, to allow the draining water to flow out free from obstructions.
- The Zero antifreeze valves must be installed outdoors, where the lowest temperatures can be reached if the heat pump is not operating.
- The Zero anti-freeze valve should be properly insulated and sealed to reduce heat loss. Only the vacuum breaker and discharge point should be exposed.
- The valve(s) must also not be placed close to heat sources which could interfere with their function.
- For the valve(s) to work properly, keep the system under pressure at all times.
- Most installations only require one anti-freeze valve, located outside and at the lowest point in the system.
- We recommend at least 15cm clearance between the valve and the ground as discharged water could freeze and hinder the operation of the valve.
- The discharge from anti-freeze valves must be collected in a suitable drain and routed to a suitable collection point.
- If a second valve is required, Inta recommend leaving at least 10 cm between the valves to avoid water discharging onto the lower valve.
- When installed outdoors, the Zero antifreeze valve must be protected from rain, snow and direct sunlight.
- Inta recommend placing a small cover/hood with 1 open face over the vacuum break. This should prevent interference or debris while still permitting air flow.
- Do not make any trap connections.
- If the shape of the connection pipes has the potential to create a trap effect (as shown below), part of the pipe will not be able to drain and frost protection will no longer be ensured.
- Where the heat pump is elevated so the pipework goes down into a U shape (as shown below), this would then require 2 anti-freeze valves to completely drain all the pipework and system.
Maintenance
Vacuum Breaker Replacement
In the event of a malfunction, the vacuum breaker can be removed.
Checking the Vacuum Breaker
- In the event of a malfunction, or as part of a planned maintenance programme the vacuum breaker can be removed.
- Using a 20mm A/F spanner remove the vacuum breaker from the anti-freeze valve body.
- Using a suitable sized spanner remove the cover from the vacuum breaker body.
- Remove the sealing washer.
- Invert the vacuum breaker body and the plastic vacuum cap should fall out.
- If it does not fall out it indicates that the vacuum breaker has not been operating correctly and the vacuum breaker needs to be replaced.
- If the plastic vacuum cap does fall out check it and the sealing washer for damage and inside the body for debris, if present wash away with clean water.
- Re-assemble and refit into the anti-freeze valve.
Thermostatic Cartridge Replacement
- In the event of a malfunction, the thermostatic cartridge can be replaced.
- Using a 26mm A/F spanner remove the cartridge from the body and replace with a new one.
Replacement Components
- Replacement components are available from Inta.
- Fit only genuine Inta replacement components.
Please leave this Manual for the User
To activate your product warranty please visit
www.intatec.co.uk and click on Product
Registration.
Tel: 01889 272 180
Fax: 01889 272 181
email: sales@intatec.co.uk
web: www.intatec.co.uk