Armstrong The Brain DRV25 Manuale utente

@ Kohler Mira Limited, March 20191374360-K2-A

Armstrong International

North America • Latin America • India • Europe / Middle East / Africa • China • Pacic Rim

armstronginternational.com

The Brain® DRV25

Digital Recirculation Valve

Consult the full product manual located at https://armstrongdoesitagain.com

before using the product.

Connect to the DRV

Download the “SAGE by Armstrong”

mobile app from either the Apple App

Store or Google Play or scan this QR

code shortcut.

The Brain - Model DRV25 shall have a 5-year parts warranty on all components other

than preventative maintenance service items mentioned in the IOM, which include

batteries and all ‘wetted’ O-rings/ Seals

Follow the steps located in the full product manual

(https://armstrongdoesitagain.com/guide) to nish the initial

commissioning.

Warranty and Certications

Read this quick start guide before beginning.

Applicable codes must be followed and supersede any other instructions. Generally

applicable codes in the US include: IPC (International Plumbing Code).

Improper installation or operation may cause a ood resulting in property damage,

personal injury, or death. Armstrong strongly recommends that a qualied installer

be used.

Service must be performed by a qualied person.

Improper installation, start-up, operation, maintenance, or service may void the

warranty.

Hot water or metal may cause scald burns. Skin exposure to 140°F water or

metal for only ve seconds may cause a second degree burn.

Open up the ‘mobile application’ and follow the steps shown below:

Sink

Shower

Thermometer

Strainer

Cold Water

Hot Water

Mixed Water

Check Valve

Recirculation Pump

System Layout

- Legend -

Isolation Valve

Items are installer

supplied

THEBRAIN

DRV25

Mixed Flow

Outlet

Cold Water

Source

Hot Water

Source

To Cold Water Inlet

Of Hot Water Source

Mechanical Quick Start

Electrical Quick Start

Make sure that all operating conditions are within the product

specication limit located in the full product manual.

Prepare the DRV to be installed by taking it out of the packaging and

installing the appropriate inlet/outlet adapters, if required. Flush all pipework

thoroughly.

Make sure that each pipe is connected in the correct location in the system

and in the proper orientation.

Connect the DRV to the pipework making sure that the check valves, strainers

and isolation valves are tted as per example illustrated below.

Strainer

Isolation

Valve

2 foot drop

typically

Blended Output

Isolation

Valve

Cold Water

Supply

Check

Valve

Check

Valve

Plug the DRV into an approved

circuit as shown below.

Turn power on and ensure the LED

on the front cover cycles through the

initial power up sequence.

Hot Water Supply

THE BRAIN

DRV25

THE BRAIN

DRV25

THE BRAIN

DRV25

To Cold Inlet of Hot

Water Supply

Mixed Return

Isolation

Valve

Strainer

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