Unvented Hot Water Cylinder
- 7-
3.2
Elements of the Hot water cylinder
3.3
Safety Devices
The cylinder is delivered with all safety and control devices for the safe operation of the unvented hot water supply
system. ** denotes solar cylinder only.
Factory fitted
temperature
& pressure relief valve (90°C / 7 bar)
Expansion relief valve (6 bar)
Thermal cut out for immersion heater
Primary heating thermal cut out 80°C
Pressure reducing valve (3.5bar) with inline strainer
** Solar pump thermal cut-out, set at 80°C, and connected to the solar pump in order to isolate this heat
source if there is a fault in the solar controller.
** Solar cylinder thermal cut-out, set at 80°C, to be connected to the 2 port motorised valve in order to isolate
the primary heat source if the water supply thermostat fails.
