Operating instructions

Page 2
Zeus Mini Instructions
The Immergas Zeus Mini boiler is a wall mounted, fan assisted room-sealed combination boiler, incorporat-
ing a 45 litre unvented hot water storage cylinder. Heat output is controlled by a modulating gas valve, with
fully automatic direct burner ignition.
The boiler, providing both central heating and domestic hot water supply, is designed for use with a fully
pumped, sealed and pressurised heating system using Natural Gas or LPG.
The boiler is supplied with a pump, diverter valve, pressure relief valve, expansion vessel and pressure
gauge fully assembled and tested.
As supplied, the boiler will automatically modulate to provide central heating outputs between 9.3 and
23.3kW. The maximum output available for domestic hot water is 23.3 kW and provides hot water at tem-
peratures of up to 55°C and flow rates of up to 18 litres/min.
IMPORTANT
All gas appliances must be installed by a competent and qualified person, in accordance with relevant
clauses of applicable standards and recommendations. These include but may not be limited to the the fol-
lowing:-
I.S. 813 Domestic Gas Installations
I.S, 820 Non-Domestic Gas Installations
All relevant Building Regulations.
Local Water Bye Laws
IEE Wiring Regulations
Health & Safety legislation
This appliance meets the requirements of IPX4D, ie degree of protection against moisture.
Failure to install this appliance correctly could lead to prosecution. It is in your own interest and that of
safety to ensure that the law is complied with. Manufacturer's instructions must NOT be taken in anyway as
over-riding statutory obligations.
Introduction
1 - Yellow indicator - Flame On
2 - Red Fault Indicator
3- OFF - Hot Water - Heating and
Hot Water selector
4 - Hot Water Temperature set-
ting
5 - Central Heating temperature
setting
6 - Temperature / Pressure
guage
7 - Optional Timeclock
Using the Boiler
Before lighting, make sure that the system is full of water and that the manometer (6) indicates a pressure
of 1 - 1.2 bar.
-Open the gas valve on the gas supply to the boiler.
-Turn main switch (3) to Hot Water or Hot Water/Heating.
N.B.: Once the main switch (3) is turned to one of these positions, the yellow boiler power indicator lamp
(1) will start blinking at long intervals. With the switch set to the central Heating temperature setting (5)
is not active, and the domestic water temperature is controlled by selector (4). With the switch set to
(3) the central heating temperature is set using selector (5) while selector (4) is used for the domestic hot
water. Turn the selectors clockwise to raise the temperature, anticlockwise to lower it. Boiler operation is
now automatic.
Boiler Operating Instructions