VENCO VHR 29 EC User Manual

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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

Questions and Answers:

A
Amanda GreenJul 25, 2025
What to do if my VENCO VHR 29 EC Heating System has low airflow?
- B
  Brett BuckJul 25, 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.
D
Dr. Courtney CurryAug 4, 2025
Why is there high airflow in my VENCO Heating System?
- Y
  Yolanda BentonAug 4, 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.
B
benjamin39Aug 13, 2025
How to troubleshoot no air flow in VENCO VHR 29 EC when the motor isn't working?
- A
  Andrew NelsonAug 13, 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 29 EC Specifications

General

Brand	VENCO
Model	VHR 29 EC
Category	Heating System
Language	English

Summary

Heat Recovery Unit Technical Specifications

Heat Recovery Unit Operating Conditions

Unit Handling and Installation Guidelines

Unit Connection Procedures

Electrical Connections

Requirements and safety for electrical hookups.

Unit Safety Requirements and Standards

Unit Safety Labels Explained

Pre-Startup Checks and Controls

User Safety Recommendations

Unit Start-Up Procedure

Unit Maintenance Schedule

Unit Control Functions Overview

Troubleshooting Common Issues

Technical Appendices

SEC Electrical Wiring Diagram

Electrical wiring diagram for the Standard Controller (SEC).

FEC AC FAN Wiring Diagram

Electrical wiring diagram for the FEC AC FAN.

FEC EC FAN Wiring Diagram

FX 3.1 PRO AC FAN Wiring Diagram

FX 3.1 PRO EC FAN Wiring Diagram

230V/1 Phase Heater Wiring Diagram

400V/3 Phase Heater Wiring Diagram

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