Summary of Contents for Geovent GRTU 3800+
- Page 1 I N S T R U C T I O N M A N U A L G R T U 3 8 0 0 + Roof Top Air Handling Unit www.geovent.com Version 1.0 03.01.2025...
-
Page 3: Table Of Contents
The manual is relevant for people involved in transpor- Do not modify the product or use spare parts from other tation, stocking, installation, using, maintaining and all suppliers than Geovent, as this may hamper the product other thinkable interaction with the product. and the function. -
Page 4: Machine Overview
Please follow the instruction for disposal in chapter 10.0. 3.0 Machine overview 3.1. Description Geovent GRTU 3800+ is built around a rotary heat ex- Control changer that recovers up to 84% of the heat in the ex- tracted air. -
Page 5: Technical Data
3.3.3 Efficiency Cabinet: Galvanized plate with 50 mm insulation. Module construction with rail system facilitates inspec- GRTU 3800 tagaggregat GRTU 3800 roof top unit tion/replacement of parts. The entire construction is galvanized and sealed in joints. Fans: 2.5 kW EC motors, Ziehl-Abegg Fans: 2x2500 W Rotor:... -
Page 6: Installation
Can be installed indoors in e.g. an industrial hall. In this case, the inlet and outlet will be adapted for the installa- The Geovent GRTU 3800+ is ready to use once the abo- tion of ventilation pipes. ve installation is complete. -
Page 7: Maintenance
7.2 Maintenance 7.3 Replacing filter The daily operation of the GRTU 3800+ takes place via The frequency of filter replacement depends partly on the handheld terminal, which is operated by the Touch the load on the filter and partly on the application. screen, see subsequent menus. -
Page 8: Cleaning
8.0 Cleaning The outside of the product is cleaned with a vacuum cleaner or a cloth. 9.0 Troubleshooting Error messages Errors are indicated by sequences of flashes from lights on the motor cover, which has a different meaning de- pending on the number of flashes. See explanation next page. - Page 9 Error messages - explanation Code Reason / explanation Motor response Can voltage be measured? No input voltage Explanation: The device automatically disconnects and connects when voltage is available. Normal operation No enable =OFF No connection between ”D1” - ”24V” 1 X blinks No start signal from Fan IO Missing start signal..
-
Page 10: Dismantling, Disabling And Scrapping
10.0 Dismantling, disabling and scrapping 11.0 Dimensions Deactive the product by disconnection the electrical GRTU 3800+ mains. Dismantle compressed air pipes and other pipes or wires etc. 1245 Dismantle the filter cartridge by unscrewing the finger screws and remove the service hatch. Turn the filter cartridge so that is loosens from the lat- ches at the top of the cartridge. -
Page 11: Liability
Directive 2006/42 / EC of the European Parliament and of the Council of 17 May 2006 on machines and amen- In order for Geovent to be capable of granting the decla- ding directives 95/16 / EC. red warranty, the user/fitter must follow this instruction manual in all respects. - Page 12 Appendix Alarm Alarm text Alarm Auto Aggregat Troubleshooting type reset stop Fire alarm Digital input ”Fire alarm” open. External fire thermostat alarm Digital input ”External firethermostat” open. Internal fire alarm Supply air / exhaust air temperature values is above the specified limits.
- Page 13 FanIO 2: +24V DC overloaded 24V DC from FanIO 2 terminal 14,16,18 short circuit, con- sumption from FanIO 2 is greater than 0,6A. Frost alarm, heat exchanger Exhaust temperature below frost limit, although By-pass damper is fully open. Low supply temperature Supply temperature has been 5 C°...
- Page 16 HOVEDGADEN 86 • DK-8831 LØGSTRUP (+45) 8664 2211 • salg@geovent.dk...
Need help?
Do you have a question about the GRTU 3800+ and is the answer not in the manual?
Questions and answers