Uponor SetPoint 521 Bedienungsanleitung
SetPoint 521 Programmable
Thermostat with Floor Sensor
Installation and Operation Manual
INSTALLATION AND
OPERATION MANUAL
RADIANT HEATING
SYSTEMS
PROGRAMMABLE
THERMOSTAT
SetPoint 521 Programmable Thermostat Installation and Operation Manual
is published by
Uponor, Inc.
5925 148th Street West
Apple Valley, MN 55124 USA
Tel: 800.321.4739
Fax: 952.891.2008
uponorpro.com
Uponor Ltd.
2000 Argentia Rd., Plaza 1, Ste. 200
Mississauga, ON L5N 1W1 CANADA
Tel: 888.994.7726
Fax: 800.638.9517
uponorpro.com
© 2015 Uponor. All rights reserved.
Second Edition
First Printing January 2015
Printed in Canada
Uponor has used reasonable efforts in collecting, preparing and providing quality information
and material in this manual. However, system enhancements may result in modification of
features or specifications without notice. Uponor is not liable for installation practices that
deviate from this manual or are not acceptable practices within the mechanical trades.
ii uponorpro.com
SetPoint 521 Programmable
Thermostat with Floor Sensor
The SetPoint 521 Programmable
Thermostat with Floor Sensor
(A3040521) is designed for three
different modes of operation:
single-stage heating, two stages
of heating with a fan, or one
stage of heating and one stage
of cooling with a fan. Two
auxiliary sensors may be added
to measure the floor, outdoor or
room temperature.
A Floor Sensor (A3040079) is
included to measure floor tem-
perature to protect the floor from
overheating and enhance comfort.
The programmable schedule
supports either a 7 day or 24 hour
schedule with 2 or 4 events per
day. A permanent temperature
hold button overrides the
programmable schedule.
An optional Adapter Plate
(A3040012) is available to allow
the thermostat to mount onto
a single gang electrical box.
Energy Saving Features
•7-day Programmable Schedule
Additional Features
•Optimum Start
•Permanent Temperature Hold
•Radiant Floor Heating
•Two Stage Heating
•Cooling
•Fan
•Backlight
•Outdoor and Floor
Temperature Display
•Time Clock
•Four Hour Battery-free
Clock Backup
iii
SetPoint 521 Programmable Thermostat Installation and Operation Manual
Table of Contents
Important Safety Information .................................3
Installation ...............................................4
Mounting the Thermostat ...................................5
New Floor Sensor Installation .................................6
Retrofit Floor Sensor Installations .............................6
Floor Sensor Wiring ........................................8
Floor Sensor Testing .......................................8
Temperature vs. Resistance Table .............................9
Thermostat Wiring ........................................10
Testing the Thermostat Wiring ...............................12
Switch Settings ..........................................13
User Interface ............................................14
Programmable Settings ....................................14
Fan Menu ...............................................15
Set Temperature Menu ....................................16
Time Menu ..............................................17
Schedule Menu ..........................................18
Setup Menu .............................................19
Sequence of Operation ....................................22
Mode Button Operation ....................................22
Heating Operation ........................................22
Two-stage Heating. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Freeze Protection .........................................24
Cooling Operation ........................................24
Fan Operation ...........................................24
Time Clock ..............................................24
Programmable Schedule ....................................24
Optimum Start ...........................................25
Temperature Adjustment ...................................26
Access Levels ............................................26
Technical Data ...........................................27
Troubleshooting – Issues ...................................27
Troubleshooting – Error Messages ............................28
2uponorpro.com
Important Safety Information
•Read manual and all product labels before using the equipment.
Do not use unless you know the safe and proper operation of
this equipment.
•Keep this manual available for easy access by all users.
•Replacement manuals are available at www.uponorpro.com.
•Disconnect all power before opening the thermostat.
•It is the installer's responsibility to safely install this thermostat
according to all applicable codes and standards.
•Improper installation and operation of this thermostat could
result in damage to the equipment and possibly even personal
injury or death.
•This thermostat is not intended for use as a primary limit control.
Only place controls that are intended and certified as safety limits
into the control circuit.
•Do not attempt to service the thermostat. There are no user
serviceable parts inside the thermostat. Attempting to do so
voids the warranty.
Radio Frequency Interference
The installer must ensure this control and its wiring are isolated
and/or shielded from strong sources of electromagnetic noise.
Conversely, this Class B digital apparatus complies with Part 15
of the FCC Rules and meets all requirements of the Canadian
Interference-Causing Equipment Regulations. However, if this
control causes harmful interference to radio or television reception,
(determined by turning the control off and on) try to correct the
interference by re-orientating or relocating the receiving antenna,
relocating the receiver with respect to this control, and/or connecting
the control to a different circuit connected to the receiver.
Warning
It is your responsibility to ensure that this thermostat is safely
installed according to all applicable codes and standards.
Uponor is not responsible for damages resulting from improper
installation and/or maintenance.
To avoid serious personal injury and damage
to the equipment:
3
SetPoint 521 Programmable Thermostat Installation and Operation Manual
Installation
Tools and Materials Required
•Jeweller screwdriver
•Phillips head screwdriver
•18 AWG LVT Solid Wire
(low-voltage Connections)
•Wire Stripper
Installation Location
Choose the placement of the
thermostats early in the construction
process to enable proper wiring
during rough-in.
Consider the following:
•Interior wall
•Keep dry; avoid potential leakage
onto the thermostat
•No exposure to extreme temperatures
beyond 32 to 122°F (0 to 50°C)
•No draft, direct sun, or other cause
for inaccurate temperature readings
•Away from equipment,
appliances, or other sources
of electrical interference
•Easy access for wiring, viewing,
and adjusting the display screen
•Approximately 5 feet (1.5 m)
off the finished floor
•Maximum wire length is
500 feet (150 m)
•Strip wire to 3⁄8" (10 mm)
for all terminal connections
•Use standard, 5 conductor,
18-AWG wire
•Relative Humidity less than 90%;
non-condensing environment
Removing the
Thermostat Base
To remove the thermostat base:
•Locate the tab on the bottom
of the thermostat.
•Push the tab with either your
thumb or with a screwdriver.
•Lift the thermostat front away
from the thermostat’s base.
4uponorpro.com
Mounting the Thermostat
Using a Single Gang Box
Note: Adapter Plate (A3040012) is required (sold separately).
1. Feed the wiring through the hole in the Adapter Plate and the thermostat base.
2. Fasten the adaptor plate to the gang box.
3. Fasten the base of the thermostat to the Adaptor Plate.
4. Terminate wiring to the wiring strip.
5. Push the thermostat front onto the thermostat base.
3 1/4"
(83 mm)
Stud
Gang
Box
Thermostat
Front
Thermostat
Base
Adapter Plate
(A3040012)
Mounting Directly to the Wall
1. Drill holes and install the wall anchors.
2. Feed the wiring through the large hole in the thermostat base.
3. Fasten the thermostat base to the wall using the wood screws to the wall anchors.
4. Terminate wiring to the wiring strip.
5. Push the thermostat front onto the thermostat base.
Wall
Thermostat
Front
Thermostat
Base
5
SetPoint 521 Programmable Thermostat Installation and Operation Manual
Thin-Set or
Thin-Pour Applications
If installing floor covering over either
a thin-set or thin-pour material of
sufficient depth, place the sensor
directly into either the thin-set material
or the thin-pour material. Ensure the
sensor is located in such a position
that the attached wire is able to
reach a suitable junction location.
Avoid splices within the thin-set or
thin-pour to ensure trouble-free
operation. Locate the sensor midway
between the heating elements to
ensure a proper temperature reading.
Thin Floor Coverings
[less than 3⁄8" (10 mm)]
If installing a thin floor covering
directly to the subfloor, cut a groove
1⁄8" (4 mm) wide by 1⁄16" (2 mm) deep
into the surface of the subfloor to
accommodate the wire for the sensor.
Ensure the sensor is located in such
a position that the attached wire is
able to reach a suitable junction
location. Avoid splices under the
floor covering to ensure trouble-free
operation. Cut a groove 3⁄16" (5 mm)
wide by 3⁄16" (5 mm) deep by 13⁄4"
(45 mm) long to accommodate the
sensor. Locate the sensor midway
between the heating elements to
ensure a proper temperature reading.
Thick Floor Coverings
(greater than 3⁄8" (10 mm))
If installing a thick floor covering
directly to the subfloor, cut a groove
1⁄8" (4 mm) wide by 1⁄16" (2 mm) deep
into the back of the flooring material to
accommodate the wire for the sensor.
Ensure the sensor is located in such a
position that the attached wire is able
to reach a suitable junction location.
Avoid splices under the floor covering
to ensure trouble-free operation.
Cut a groove 3⁄16" (5 mm) wide by
3⁄16" (5 mm) deep by 13⁄4" (45 mm)
long to accommodate the sensor.
Locate the sensor midway between
the heating elements to ensure a
proper temperature reading.
If it is not practical to cut a groove
in the surface covering, follow
the installation method for thin
floor coverings.
Retrofit Floor Sensor
Installations
Tile Floor Coverings
If installing a Floor Sensor (A3040079)
into an existing tile floor with
sufficiently large grout lines, the sensor
and wire can be placed in one of the
grout lines between the tiles. Select a
low-traffic area of the floor that is
midway between the heating elements
for the sensor location. Ensure the
sensor is located in such a position
that the attached wire is able to reach
to a suitable junction location. Avoid
splices under the floor covering to
ensure trouble-free operation.
New Floor Sensor Installation
6uponorpro.com
Tiles
Thin-set
Hydronic Pipe
Hardwood
Subfloor
Hardwood
Subfloor
Remove the appropriate grout line and
place the sensor and wire in the floor.
Re-grout the area.
Installing the Sensor to the
Bottom of a Subfloor
If installing the sensor to the
bottom of a subfloor, cut a piece of
1" (25 mm) thick rigid insulation into a
6" (150 mm) by 6" (150 mm) square.
Cut a groove 3⁄16" (5 mm) wide by 3⁄16"
(5 mm) deep by 13⁄4" (45 mm) long into
the insulation to accommodate the
sensor. Place the sensor in the groove
and sandwich the sensor between
the insulation and the subfloor. Use
a suitable fastening method to affix
the insulation to the subfloor.
Note: Do not run sensor wires parallel to
telephone or power cables. If the sensor
wires are located in an area with strong
sources of electromagnetic interference,
use shielded cable or twisted pair or run
the wires in a grounded metal conduit.
7
SetPoint 521 Programmable Thermostat Installation and Operation Manual
Floor Sensor Wiring
The Floor Sensor (A3040079) comes
with 10' (3 m) of cable. If a longer
length is required, splice 24 AWG or
larger wire onto the two wires from the
sensor. Properly solder and protect the
splices in an accessible junction box.
Follow the sensor testing instructions
in this manual and then connect the
wires to the thermostat.
Floor Sensor Testing
Use a good quality test meter capable
of measuring up to 5,000 kΩ (1 kΩ =
1000Ω) to measure the sensor resis-
tance. In addition, measure the actual
temperature with either a good quality
digital thermometer, or if a thermometer
is not available, place a second sensor
alongside the one to be tested and
compare the readings.
First measure the room temperature
using the thermometer. Disconnect
the S1 or S2 and Com wires from the
thermostat. Using an electrical meter,
measure the resistance of the S1 or
S2 and Com wires at the thermostat
location. Using the Temperature vs.
Resistance Table below, estimate the
temperature measured by the sensor.
The sensor measurement and
thermometer readings should be close.
If the test meter reads a very high
resistance, there may be a broken wire,
a poor wiring connection or a defective
sensor. If the resistance is very low, the
wiring may be shorted, there may be
moisture in the sensor or the sensor
may be defective. To test for a defective
sensor, measure the resistance directly
at the sensor location. Once the test
has been completed, reconnect the S1
or S2 and Com wires to the thermostat.
Do not apply voltage to the temperature
sensor terminals at any time as damage
to the sensor may result.
8uponorpro.com
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