Uponor Climate Control Zoning System Installation Manual page 52

Component Alarms/Issues
Thermostat or
Room too cold
Actuator
Room temperature
OK, but the floor is
cold.
Thermostat
All rooms are cold.
Table 10-1: Troubleshooting Solutions (cont.)
46
Causes
Thermostat setting is too Press + or – key to
low (corresponding LEDs display and change the
flashing). temperature setpoint on the
thermometer.
Thermostat influenced by Change the location of the
a heat source (temperature thermostat.
displayed drops when
thermostat is moved)
Thermostats are mixed up. Place each thermostat in the
room supplied by the loops.
• Actuator doesn't open. Replace the actuator.
• The white indicator doesn't
display in the indicator
window.
ECO in room information • Change ECO profile or
menu assign another profile to
the room.
• End the ECO period by
pressing a thermostat key.
Temperature displayed Change minimum and
in the room information maximum limitation.
menu is lower than the
temperature on the
thermostat.
Thermostats of single rooms • See Installation Report
are mixed up. and the base unit/
channel numbering under
thermostat battery cover.
• Force thermostat to
transmit and check the
corresponding LEDs are
flashing.
• Place the thermostat in
the room supplied by the
loops controlled by the
thermostat.
Supply system defect: no Check boiler and circulation
warm water in manifold. pump.
Vacation mode still on End vacation mode
ECO mode • Change ECO profile or
assign another profile to
the room.
• End the ECO period by
pressing all thermostat
keys.
Solutions Notes
Use minimum and maximum
limitations to protect system
from consequences of
unreasonable temperature
settings.
See Installation Report to
contact an installer.
www.uponor-usa.com • www.uponor.ca