VENCO VHR Series User Manual

VENCO VHR Series

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INSTALLATION – OPERATION &

MAINTENANCE INSTRUCTION

HEAT RECOVERY UNITS VHR AND VHR EC MODELS

VENCO Havalandırma ve Makina San.ve Tic. A.Ş.

2004. Cad. No:5 45400 OSB Turgutlu – MANISA / TURKİYE

Tel: +90 (236) 332 5070 Fax: +90 (236) 332 5030

www.venco.com.tr venco@venco.com.tr

2019.10

Table of Contents

Other manuals for VENCO VHR Series

Quick Start Guide4 pages

Questions and Answers:

R
Rachel RodriguezAug 4, 2025
What to do if my VENCO VHR Heating System has low airflow?
- D
  David MartinAug 4, 2025
  If the VENCO Heating System experiences low airflow, several factors could be at play. First, pressure loss in the ducts might be higher than initially calculated, suggesting a need to review the duct design. Second, clogged or dirty filters can significantly impede airflow; cleaning or replacing the filter is advised. Lastly, excessive leakage on the pressure side of the system can diminish airflow, so inspect doors and duct connections for leaks.
M
Mr. Jackson KirbyAug 15, 2025
Why is there high airflow in my VENCO Heating System?
- E
  ericperkinsAug 15, 2025
  If your VENCO Heating System exhibits high airflow, it could be due to a few reasons. Check the duct connections for excessive leakage on the suction side of the system. Also, the fan motors might be experiencing overcurrent, indicating the engine is overloaded, so measure the current drawn by the engine. Another potential cause is a low supply voltage; in this case, consider installing grills.
J
johnsonmarkAug 26, 2025
How to troubleshoot no air flow in VENCO Heating System when the motor isn't working?
- V
  vmooreAug 26, 2025
  If there is no air flow and the motor isn't working in your VENCO Heating System, start by checking the power supply to ensure it's functioning correctly. If the power supply is okay, inspect the fan motor cables at the main controller board to ensure they are tightly connected, as thermal protection might be open. Also, verify the connection of the control panel by checking the socket behind the controller.

VENCO VHR Series Specifications

General

Brand	VENCO
Model	VHR Series
Category	Heating System
Language	English

Summary

INTRODUCTION

HEAT RECOVERY UNITS and VHR MODELS

TECHNICAL SPECIFICATION for HEAT RECOVERY UNITS

WORKING CONDITIONS

TRANSPORTATION – STORAGE – INSTALLATION

CONNECTIONS

DUCT CONNECTIONS

Guidance on connecting air ducts for optimal airflow and minimizing losses.

DRAIN CONNECTIONS

Instructions for proper drainage pipe connection to prevent air suction.

ELECTRICAL CONNECTIONS

Requirements and warnings for safe electrical connections by authorized personnel.

SAFETY REQUIREMENTS

SAFETY LABELS

CONTROLS BEFORE START-UP

TRAINING of TECHNICIANS

RECOMMENDATIONS FOR SAFETY

START-UP

MAINTENANCE

CONTROL FUNCTIONS

Standard Electronic Controller (SEC)

Details on the functions and operation of the Standard Electronic Controller (SEC).

Functional Electronic Controller (FEC)

Details on the functions and operation of the optional Functional Electronic Controller (FEC).

TROUBLESHOOTING

SPARE PART LİST

APPENDIX

APPENDIX-1 Standard Controller (SEC) Electrical Wiring Diagram

Electrical wiring diagram for the Standard Controller (SEC).

APPENDIX-2 Functional Controller (FEC) AC FAN Electrical Wiring Diagram

Electrical wiring diagram for the Functional Controller (FEC) with AC fans.

APPENDIX-3 Functional Controller (FEC) EC FAN Electrical Wiring Diagram

Electrical wiring diagram for the Functional Controller (FEC) with EC fans.

APPENDIX-4 Functional Controller (FX 3.1 PRO) AC FAN Electrical Wiring Diagram

Electrical wiring diagram for the FX 3.1 PRO controller with AC fans.

APPENDIX-3 Functional Controller (FX 3.1 PRO) EC FAN Electrical Wiring Diagram

Electrical wiring diagram for the FX 3.1 PRO controller with EC fans.

APPENDIX-3_230V / 50Hz / 1 Phase Electrical Heater Wiring Diagram

Wiring diagram for 230V/50Hz/1 Phase electrical heaters.

APPENDIX-4_400V / 50Hz / 3 Phase Electrical Heater Wiring Diagram

Wiring diagram for 400V/50Hz/3 Phase electrical heaters.

APPENDIX-5 Electrical Cable And Fuse Selection Tables

Tables for selecting electrical cables, fuses, and circuit breakers.

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