2
Please read and understand these instructions prior to installing your Heatstore
unvented water heater. Particular attention should be paid to the section headed
IMPORTANT INSTALLATION POINTS
. Following installation and commissioning
the operation of the heater should be explained to the customer and these instructions
left with them for future reference.
TECHNICAL SPECIFICATIONS
Electrical rating .................................................... 2.75/3kW 230/240V
Capacities............................................................. 30 or 50 litres
Weight (full) ......................................................... 30 litre - 42.5kg
............................................................................. 50 litre - 69.3kg
Rated pressure ..................................................... 6 bar
Minimum recommended supply pressure ............ 0.8 bar
Temperature/Pressure Relief Valve ....................... 90
o
C/7 bar
COMPONENT CHECK LIST
Before commencing installation check that all the following components have
been supplied in the Installation Kit.
l
Expansion Vessel 3/4BSP male, precharge pressure 3.5 bar c/w wall mount
ing bracket
l
Combined Pressure Reducing Valve/Strainer 1/2BSP female, factory set at 3.5
bar
l
Single Check Valve 15mm x 15mm compression
l
Pressure (expansion) Relief Valve 1/2BSP male inlet, 1/2BSP female
discharge, factory set at 6 bar
l
Tundish 1/2BSP male inlet, 3/4BSP female outlet
l
Wall mounting bracket set
l
Self adhesive Levelling Feet (2 off)
l
Moulded plastic Spacer
1.0 IMPORTANT INSTALLATION POINTS
1.1
This Heatstore unvented water heater is factory fitted with a Temperature/Pressure
Relief Valve. The factory fitted Temperature/Pressure Relief Valve must not be
removed, blocked or restricted in any way.
FAILURE TO PROVIDE ADEQUATE
TEMPERATURE AND PRESSURE RELIEF WILL INVALIDATE ANY GUARAN-
TEE AND LEAD TO A DANGEROUS INSTALLATION
