Download Sharp Actius PC-UM20 User manual

ENG
INSTALLATION AND TEST OF THE SAFETY TEMPERATURE LIMITER STB
Installation of safety temperature limiter STB
Unreel the capillary of a safety temperature limiter STB and insert it into the sleeve on
boiler or system’s heat source. It is important that the capillary has very good surface contact with the sleeve wall.
Test of safety temperature limiter STB
for 5 seconds to activate safety temperature limiter test. Controller
Press and hold key
activates boiler or system’s heat source and switches off all other outputs. Boiler is warming up on temperature 115 °C, i.e. to the temperature 110 ± 2 °C when the safety temperature limiter STB shall activate. Safety limiter test will automatically expire if safety limiter
has activated or if heat source temperature has exceeded 115 °C or in 20 minutes after the
test has been started. To stop safety limiter test at anytime press key
.
Activated safety temperature limiter is indicated with red illuminated ring around STB.
Activated safety temperature limiter needs to be reset before continuing with the system
operation. To reset it, wait for the heat source temperature to drop below 100 °C and then
press with appropriate tool into the hole of STB.
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lary tube isn’t sharp bended or damaged. In other case the safety temperature limiter STB needs to be replaced.
Installation manual
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