Uponor 102628, Installation And Operation Manual

Page: 29 / 36

Uponor Combi Port PRO XU l Installation manual l 29
Fault description Cause Solution
Heating function
Heating system does not heat up
General
Supply temperature too low at the heat source Check the supply temperature at the heat source
9ROXPHWULFÀRZUDWHLVWRRORZ &KHFNWKH¿WWLQJVLQWKHGHYLFH
Check the heat meter type The heat meter type must be Qn 1.5
Check the pump setting in the central
heating system Pump setting: Constant pressure
$LUWUDSSHGLQEXႇHUVWRUDJH 9HQWEXႇHUVWRUDJHWDQN
,QVXႈFLHQWGLႇHUHQWLDOSUHVVXUH &OHDQWKHFDSLOODU\RIWKHGLႇHUHQWLDOSUHVVXUHFRQWURO
FKHFNWKHGLႇHUHQWLDOSUHVVXUHFRQWUROLVZRUNLQJ
Air in the system Vent the system
Radiator supply
=RQHYDOYHÀRZWRRORZWRRKLJK Check the Kv value on the zone valve
Setting for room temperature controller is
not correct Check the setting for the room temperature controller
Strainer is dirty Clean the strainer
Room temperature controller wiring is not correct Check the wiring for the room temperature controller
Actuator not connected to the zone valve Actuator closed without current on the zone valve
Connect this electrically
Radiator thermostatic valves or return screw
connections closed Check thermostatic valves and return screw
connections
Heating system does not heat up
8QGHUÀRRUKHDWLQJFRQWUROOHGE\VHWSRLQWYDOXHV
Setting for setpoint value control head not correct Check setpoint value control head setting
Actuator for "second safety" not connected
electrically Actuator for "second safety" closed without current
Connect this electrically
Setting KV value of zone valve is not correct Check the Kv value setting on the zone valve
Regulating screw connection bypass closed Check regulating screw connection bypass
Safety temperature limiter(STB) contact open Check the safety temperature limiter (STB) setting
Pump not connected Check the pump connection
Strainer is dirty Clean the strainer
Pump setting is not correct Check pump setting
:DWHUXQGHUÀRRUKHDWLQJZHDWKHUFRPSHQVDWHG
Controller setting is not correct Check controller setting
Actuator for "second safety" not connected
electrically Actuator for "second safety" connected without
current Connect this electrically
Setting Kv value of zone valve is not correct Check the Kv value setting on the zone valve
Regulating screw connection bypass closed Check regulating screw connection bypass
Safety temperature limiter(STB) contact open Check the safety temperature limiter (STB) setting
Probe faulty Replace probe
3-point actuator not connected correctly Check the 3-point actuator connection
Pump not connected Check the pump connection
No hot water and no heating
No heating/no hot water
Ball valves/locking devices closed Open locking devices
Central heating circuit pump not working Check the central heating circuit pump is working
and correctly set
Central strainer is dirty Clean the central strainer
Heating system is not working correctly Check the heating system
%XႇHUVWRUDJHWDQNLVQRW¿OOHG &KHFNEXႇHUVWRUDJHWDQN¿OOLQJ