Uponor UponorControl System User Manual

UPONOR CONTROL SYSTEM WIRED - INSTALLATION AND OPERATION MANUAL
39
Problem Indication Probable cause Solution
Room too cold in heating
mode
or
Room too warm in
cooling mode
The thermostat does not switch on
or off with heating or cooling
demand
The thermostat is connected on a
bad channel
1. Check Installation report.
2. Check the wiring.
The indicator window on the
actuator does not turn white
The actuator does not open 1. Replace the actuator.
2. Check that the controller
output is +24 V DC during
heating demand.
Check the thermostat setpoint Thermostat setting too low 1. Change temperature set point.
2. Use maximum and minimum
settings to protect system
from consequences of
unreasonable temperature
settings.
Temperature displayed on
thermostat drops after thermostat
is moved
Thermostat may be infl uenced by
external heat source
1. Change location of
thermostat.
Check thermostat wiring Thermostats of individual rooms
are incorrectly connected to the
controller
1. Correct thermostat
connections in the controller
Check thermostat and actuator
connections in the controller
Autolinking in controller is violated
by incorrect thermostat and/or
actuator wiring
1. Correct thermostat and
actuator connections in the
controller
The thermostat is out of order 1. Replace the thermostat.
ECO mode is displayed on
thermostat
ECO mode 1. Change ECO profile or assign
another profile to room
2. Cancel rest of ECO period by
pressing a thermostat key
Holiday mod is displayed on
thermostat
Holiday mode 1. Cancel Holiday mode
Floor is cold No heat demand from underfloor
heating system
Room temperature OK but fl oor is
cold
Room is heated by another heat
source
1. Change thermostat position
All rooms are cold in
heating mode
or
All rooms are warm in
cooling mode
Holiday mod is displayed on timer Holiday mode 1. Cancel Holiday mode
ECO mode is displayed on timer ECO mode 1. Change ECO profile or assign
another profile to room
2. Cancel rest of ECO period by
pressing a thermostat key
Uneven heating in the
house
The heat appears to shift from zone
to zone in the house.
Zones assigned to loops, actuators
and thermostats do not
correspond.
1. Check that loops are assigned
to correct zones.
2. Check that the actuators are
connected to the same zone in
the controller as on the
manifold.
3. Check that thermostatsare
connected to the correct zone
in the controller.

Uponor UponorControl System Specifications

General

Brand	Uponor
Model	UponorControl System
Category	Temperature Controller
Language	English