Vallox DIGIT SE Series User Manual

DIGIT SED
ELECTRONIC CONTROLLER
WITH LCD DISPLAY
© VALLOX • We reserve the right to make changes without prior notification.
TECHNICAL SPECIFICATION
DIGIT SE R
DIGIT SE L
DIGIT SE VKL R
DIGIT SE VKL L
Models:
• 1.09.61E
• 28.8.2008
© VALLOX
Code B 3500 SE
DIGIT SE R
(electric radiator model)
DIGIT SE VKL R
(water radiator model)
The figure shows the R model. In the L model, the duct connections are in reverse order. (See page 2.)
Technical details
• Power supply: 230V, 50Hz, 1.35kW, 5.9A, VKL model 0.35 kW, 1.5 A
(with external preheating max 2kW, in total 3.35kW, 14.7A).
Class of protection IP 34.
• Weight 58 kg
• Capacity regulation in eight steps, base and maximum speeds to be set
• Post-heating ON/OFF button, and post-heating setpoint selection on the
control panel
• Fireplace switch function at the control panel
• Timing of fan speeds and post-heating control at the control panel
• Week clock control at the control panel
• Ability to control from several places (max. 3 control panels)
• LON remote monitoring control
• Remote monitoring control for fan speeds (0...20mA or 0...10VDC)
• Maintenance reminder notifies of the need for service
• Automatic heat recovery cell (HRC) bypass
• Condensing water piping can be hidden
• Automatic defrosting of the cell
• VKL models incorporate automatic defrosting of the water radiator
• Heat recovery efficiency over 60%
• In case of a failure, the display of the control panel shows a message
indicating the reason for the failure.
• Fault signalling relay with potential free points (for remote control)
• Automated features enable the connection of the following:
- CO
2
control
- Humidity control
- Filter guard for both the extract and supply air sides
- Fireplace / booster switch
- External preheating control (factory installed)
- Optional silencer and distribution boxes

Vallox DIGIT SE Series Specifications

General

Efficiency class	A+
Voltage	230 V
Frequency	50 Hz
Type	Heat recovery unit
Mounting	Wall or ceiling
Protection class	IP24

Summary

Technical Specification

Technical Details

Detailed specifications of the DIGIT SE unit, including power, weight, and features.

Performance Ratings

Air Volume Performance

Sound Level Ratings

Control Panel Operation

Control Panel Overview

Details control panel button functions and main display elements.

Internal Electrical Diagram

Electrical Diagram Overview

Illustrates fan control, signal inputs, and internal component connections.

DIGIT SE Connection Box Details

External Wiring Diagram

External Control and Sensor Wiring

Diagrams for connecting control panels and sensors externally.

External Preheating Connection

Post-Heating Functionality

Post-Heating Radiator Types

Describes electric and water radiators for post-heating.

Post-Heating Regulation Modes

Explains constant temperature and cascade control for post-heating.

Heating Period Operations

Minimum Supply Air Temperatures

Outdoor Air Preheating System

Details the optional automatic outdoor air preheating system.

Control Diagram (Electric)

Ventilation Zone Control Diagram

Operation Description (Electric)

Operational Control Modes

Details fan speed, week clock, CO2/humidity, and signal control.

Supply Air Temperature Control

Explains constant and cascade control for supply air temperature.

Heat Recovery and Anti-Freezing

Describes heat recovery bypass and anti-freezing functions.

Booster/Fireplace Switch & LON

Control Diagram (Water)

Ventilation Zone Control (VKL)