Vallox DIGIT2 SE VKL Manual

Vallox DIGIT2 SE VKL Manual

With digit sed, electronic controller with lcd displa

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DIGIT
ELECTRONIC CONTROLLER
WITH LCD DISPLAY
Models:
DIGIT2 SE R
DIGIT2 SE L
DIGIT2 SE VKL R
DIGIT2 SE VKL L
DIGIT2 SE MLV VKL R
DIGIT2 SE MLV MLV L
DIGIT2 SE MLV electric R
DIGIT2 SE MLV electric L
• Supply and extract air ventilation
with heat recovery
• Silent operation
• Energy-efficient unit; high-efficiency
cross-flow cell
• Electronic DIGIT SED control or
wireless remote monitoring (option)
• Week clock control
• Humidity control (option)
• Carbon dioxide control (option)
• Maintenance reminder
• Summer/winter automation
• Fireplace/booster switch function
• Good filtering
• Fixed air flow measuring outlets
• MLV model especially designed for
use with ground heat systems
• Easy and quick installation
• Silencer element (option)
© VALLOX • We reserve the right to make changes without prior notification.
Vallox
Digit
SED
Electrical connection
Class of protection
Fans
Heat recovery
VALLOX DIGIT2 SE
VALLOX DIGIT2 SE VKL
VALLOX DIGIT2 SE MLV VKL
VALLOX DIGIT2 SE MLV, electric
Filters
Weight
Ventilation
adjustment options
Options
2
SE
230 V, 50 Hz
IP34
Extract air 210 kW 0.91 A (AC)
120 dm
Supply air 210 W, 0.91 A (AC)
110 dm
Cross-flow cell, > 60%
2.7 kW, 12.0 A
Preheating unit
Electric 1200 W, 5.2 A
Post-heating unit
Electric 1200 W, 5.2 A
1.55 kW, 6.7 A
Preheating unit
Electric 1200 W, 5.2 A
Post-heating unit
VKL water radiator
0.35 kW, 1.5 A
Preheating unit
MLV liquid radiator
Post-heating unit
VKL water radiator
1,55 kW, 6,7 A
Preheating unit
MLV liquid radiator
Post-heating unit
Electric 1200 W, 5.2 A
Supply air
G3 and F7
Extract air
G3
71 kg
Control panel control
Week-clock control
CO
2
Wireless remote control (option)
CO
2
%RH sensor
Wireless remote control
Filter guard (supply and/or extract air)
LON converter
Ceiling mounting
Attic floor penetration
Silencer element
VKL expansion tank + stand
VKL heat exchanger pipe
• 1.09.391E
• 11.2.2011
• Code 3550 SE
© VALLOX
3
/s (120 Pa)
3
/s (100 Pa)
and %RH control (option)
sensor

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Table of Contents
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Summarization of Contents

Technical Specification
Model Variants
Lists available DIGIT2 SE model configurations.
Key Operational Features
Highlights benefits like silent operation, energy efficiency, and heat recovery.
System Specifications
Details electrical connections, protection class, filters, and main components.
Dimensions and Main Parts
Duct Outlet Configuration
Specifies air duct connection sizes and layout.
Internal Component Identification
Illustrates and lists the primary internal parts of the unit.
Performance Characteristics
Air Flow vs. Pressure Loss Curves
Graphs illustrating pressure loss at various air flow rates and fan speeds.
Air Flow Measurement Points
Details on the location and use of fixed outlets for air flow measurement.
Acoustic Performance
Sound Power Levels by Frequency
Sound power output (Lw) in dB across octave bands.
Weighted Sound Pressure Levels
Overall sound pressure levels (LwA) in dB(A) for different operating points.
Control System Operation
DIGIT SED Control Panel Overview
Description of the control panel, its display, and keyboard.
Control Panel Functions and Settings
How to operate buttons for adjustments, fan speed, and week clock control.
Control Panel Installation and Wiring
Instructions for mounting the control panel and connecting its wiring.
Sensor Integration and Connectivity
Humidity and CO2 Sensor Installation
Guidelines for mounting and wiring humidity and CO2 sensors.
Multi-Unit System Configuration
Instructions for connecting multiple units as host/slave for integrated operation.
Silencer Unit Performance
Air Flow Performance with Silencer
Performance curves detailing air flow and pressure loss with the silencer attached.
Silencer Unit Sound Data
Sound levels measured when the silencer unit is installed on the system.
Internal Electrical Diagram
Connection Box Wiring Details
Schematic illustrating the internal wiring connections within the unit.
Electrical Component Identification
A list and description of the main electrical components used in the unit.
External Electrical Connections
Control Panel and Sensor Wiring Diagrams
Diagrams showing how to connect external control panels and sensors.
Optional Module Wiring
Wiring instructions for optional modules like the LON converter.
VKL Radiator Performance
Radiator Power Output Characteristics
Graphs showing the VKL radiator's power output based on air and water temperatures.
VKL Pressure Loss and Valve Performance
Charts detailing pressure loss in the VKL radiator and associated valve.
MLV Radiator Performance
MLV Heating and Cooling Power Output
Performance graphs for MLV radiator heating and cooling power vs. geothermal temperature.
MLV Radiator Pressure Loss
Illustration of pressure loss in the MLV radiator related to liquid flow rate.
Control Diagram (Electric Radiator Model)
Internal Control Wiring for Electric Model
Schematic showing the internal control connections for the electric radiator variant.
Parts List for Electric Model
List of components and their technical data for the electric radiator version.
Operation Description (Electric Radiator)
Unit Control Principles
Explains power control, fan speed, air quality adjustment, and signal inputs.
Supply Air Temperature Management
Details constant and cascade control methods for supply air temperature.
Heat Recovery and Antifreeze Functions
Covers heat recovery bypass operation and antifreeze protection mechanisms.
Safety, Alarm, and Special Modes
Describes overheat protection, alarms, and booster/fireplace switch functions.
Control Diagram (VKL Model)
Internal Control Wiring for VKL Model
Schematic showing the internal control connections for the VKL water radiator variant.
Parts List for VKL Model
List of components and their technical data for the VKL water radiator version.
Operation Description (VKL Model)
Unit Control Principles
Explains power control, fan speed, air quality adjustment, and signal inputs.
Heat Recovery and Freezing Protection
Covers heat recovery, antifreeze, and water freezing protection mechanisms.
Safety, Alarms, and Special Modes
Describes overheat protection, alarms, and booster/fireplace switch functions.
Control Diagram (MLV Models)
MLV VKL (Water Postheating) Wiring
Control wiring schematic for the MLV VKL model with water postheating.
MLV Electric (Electric Postheating) Wiring
Control wiring schematic for the MLV electric model with electric postheating.
Part List (Heating/Cooling Radiator Model)
Component Details and Specifications
Comprehensive listing of parts with technical data for radiator variants.
Operation Description (MLV Model)
Unit Control Principles
Explains power control, fan speed, air quality adjustment, and signal inputs.
Heat Recovery and Freezing Protection
Covers heat recovery, antifreeze, and water freezing protection mechanisms.
Safety, Alarms, and Special Modes
Describes overheat protection, alarms, and booster/fireplace switch functions.
Installation and Mounting Guidelines
Site Selection and Requirements
Specifies environmental conditions and location requirements for unit installation.
Mounting Procedures
Step-by-step instructions for ceiling and wall mounting the unit.
Condensate Drainage System
Guidance on managing and draining condensate water from the unit.
Pipe Connections and Plumbing
VKL Radiator Plumbing Configuration
Details the connection of the VKL post-heating water radiator to the heating circuit.
MLV Radiator Plumbing Configuration
Instructions for connecting the MLV preheating/cooling radiator from the ground collector.
Alternative VKL Radiator Connections
Notes on alternative plumbing setups for VKL radiators to enhance power.

Table of Contents