VOKERA unica he User Manual

THESE INSTRUCTIONS
TO BE RETAINED
BY USER
Vokèra is a licensed member of the Benchmark scheme
which aims to improve the standards of installation and
commissioning of domestic hot water systems in the UK.
Unica HE
High efficiency combi boiler
Users
Instructions

VOKERA unica he Specifications

General

Model	Unica HE
Mounting	Wall-mounted
ERP Rating	A
Warranty	2 years
Fuel Type	Gas
Central Heating Output	24 kW to 32 kW
Domestic Hot Water Output	Up to 32 kW
Output Range	24 kW to 32 kW
Weight	32 kg

Summary

Things You Should Know

Gas Appliances

Legal requirements for gas appliance installation and maintenance by competent persons.

Electrical Supply

Proper connection to electrical supply via double pole isolator or unswitched socket.

Appliance Log Book

Frost Protection System

Appliance Status Indicators

Digital Display

Getting Started

Before Switching On

Appliance Controls

Overview of controls including pressure gauge, mode selector, temperature selectors, and LED displays.

Lighting the Boiler

Steps to ensure gas/electrical supply is on and turn the mode selector to ON for operation.

Adjusting the Heating Temperature

Adjusting the Hot Water Temperature

How To...

How to Top-Up the System Pressure

Step-by-step guide to checking and topping up system pressure using filling valve connections.

How to Reset the Appliance

Procedure for resetting the boiler after a fault, involving checking fault codes and using the mode selector.

What If...

What If I Suspect a Gas Leak

Action to take if a gas leak is suspected: turn off gas supply and contact installer.

What If I Have Frequently to Top-Up the System

What If the Reset Light Is On

What If the Appliance Is Due Its Annual Service

What If I Need to Call an Engineer