Viega Digital Thermostat User Manual

Viega... The global leader in plumbing and heating systems.
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)
Product Instructions
Digital Thermostat
1 of 4
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:
Microprocessor control
0 . 2 ° F
41 °F - 99 °F, 0.5 °F increments
32 °F - 122 °F
24 V
+
/
_
10% 60Hz 15 W max
TRIAC output 24 VAC, 15 W max
NTC thermistor, (10K Ohms) 10' cable
50 °F - 104°F
Class II - IP30
3.15"
2.36"
1.22"
3.15"

Viega Digital Thermostat Specifications

General

Brand	Viega
Model	Digital Thermostat
Category	Thermostat
Language	English

Summary

Product Instructions Digital Thermostat

Applications

Details the ideal use of the thermostat for individual room temperature control, sensing room/floor temp, and energy-saving features.

Features

Highlights key characteristics like compact design, digital LCD display, dual temperature regulation, and setback functionality.

Specifications

Lists technical details including control type, accuracy, temperature ranges, power supply, output, and electrical protection.

Mounting and Wiring

Mounting

Provides guidelines for thermostat placement, including height, avoiding direct sunlight, and proper installation techniques.

Wiring Thermostat to Zone Control

Explains the terminal connections required to wire the thermostat to a Zone Control box for system integration.

Wiring Thermostat to Powerhead

Details how to connect the thermostat to a Viega Powerhead, including transformer and multiple powerhead configurations.

Programming and Operation Modes

Programming

Guides users on entering programming mode, navigating settings using buttons, and adjusting parameters via codes.

Operating Mode

Describes the four available operating modes: OFF, Comfort, Reduced Temperature, and External Clock.

Advanced Wiring and Connections

Wiring Floor Sensor

Instructs on connecting the two-wire floor sensor to the NTC terminals for accurate floor temperature measurement.

Wiring External Clock

Explains how to connect an external clock for timed setback functionality, altering the thermostat's operation.

Powerhead(s) and Transformer

Details wiring connections for powerheads and the associated transformer, including integration with external clocks.

Zone Control

Outlines the wiring procedure for connecting the thermostat to a Zone Control system.