Viega Digital Thermostat Product Instructions
Product Instructions
Digital Thermostat
Applications
The Digital Thermostat is ideal for individual
room temperature control. A user friendly
three button design allows for easy change
of settings. Thermostat can sense either
room temperature, oor temperature or both.
Adjustable temperature setback function
allows for energy savings. Thermostat can
control up to four Powerheads directly or can
be connected to a zone / circulator control
box. With optional oor sensor, thermostat
provides oor high or low limit function for oor
protection or oor warming.
Features
• Compact design
• Digital LCD display
• Regulates oor or room temperature or both
• Optional Floor Sensor
• Setback function
Specifications
Control:
Accuracy:
Set temperature range:
Environment range:
Power supply:
Output:
Optional oor sensor:
Floor limiting range:
Electrical Protection:
301 N. Main, 9th Floor • Wichita, KS 67202 • Ph: 877-843-4262 • Fax: 800-976-9817 • E-Mail: service@viega.com • www.viega.com
PI-PR-18050-0309 (Digital Thermostat)
Microprocessor control
0 . 2 ° F
41 °F - 99 °F, 0.5 °F increments
32 °F - 122 °F
_
24 V +/
TRIAC output 24 VAC, 15 W max
NTC thermistor, (10K Ohms) 10' cable
50 °F - 104°F
Class II - IP30
10% 60Hz 15 W max
Viega... The global leader in plumbing and heating systems.
1.22"
2.36"
3.15"
3.15"
1 of 4
Product Instructions
24 VAC
TRANSFORMER
120 VAC
INPUT
WHITE
BLACK
Digital Thermostat
Mounting
Thermostats are typically mounted 48" to 60" from
the sub oor. Thermostats should not be located
in direct sunlight or in areas where solar gain
can occur. Other potential heat emitters are large
electrical gang boxes and dimmer switches. These
give off heat inside the wall and can cause a false
reading. Thermostats should always be located on
an interior wall.
Remove white oval screw cover, located in the
middle of the thermostat. Then remove the #1
phillips screw. Pull the front cover off the black
back plate.
Thermostats have slotted mounting holes
simplifying leveling of the thermostat. Thermostats
should be installed with sleeves and anchors when
mounting into drywall.
Wiring Thermostat to Zone Control
Connect the "R" terminal of the thermostat 1.
Typical Wiring of Digital Thermostats
to the "R" terminal of the Zone Control. "R"
supplies power to the thermostat.
Connect the "W" terminal of the thermostat to 2.
the "W" terminal of the Zone Control. "W" is
the switching signal.
Connect the "C" terminal of the thermostat to 3.
the "C" terminal of the Zone Control. "C" is
common.
(See diagram to right)
C C R W
C C R W
Wiring Thermostat to Powerhead
Connect a "C" and "R" terminals of the 1.
thermostat to transformer.
Connect the other "C" terminal and 2.
"W" terminal of the thermostat to Viega
Powerhead.
Up to 4 powerheads per thermostat may be 3.
connected.
(See diagram to right)
301 N. Main, 9th Floor • Wichita, KS 67202 • Ph: 877-843-4262 • Fax: 800-976-9817 • E-Mail: service@viega.com • www.viega.com
PI-PR-18050-0309 (Digital Thermostat)
Viega... The global leader in plumbing and heating systems.
R W C
Digital Thermostat
Connected to a 4 or
6 Zone Control Box
Digital Thermostat with
Transformer and up to 4
Powerheads
2 of 4
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