Page 1: Table Of Contents
MANUAL - Heat Recovery unit Installation - Operation - Maintenance Index INTRODUCTION PRODUCT DESCRIPTION AIRFLOW LAYOUT MAIN COMPONENTS SAFETY INSTALLATION DIMENSIONS ELECTRICAL INSTALLATION PROCEDURE ACCESSORIES AND CONTROLS ANTIFROST CONDENSATE DRAIN CE DECLARATION 12.21 Avensys srl reserves the right to make changes without prior notice...
Page 2: Introduction
The basic unit includes the following separate parts: Ⓐ 1x Unit complete with filter set Ⓑ 1x Manual Ⓒ 1x Touch screen controller Ⓓ 2x Spigots Ⓐ Ⓑ Ⓓ Ⓒ 12.21 Avensys srl reserves the right to make changes without prior notice...
Page 3: Airflow Layout
MANUAL - Heat Recovery unit Installation - Operation - Maintenance 3 AIRFLOW LAYOUT Supply (blue) Fresh (green) Return (yellow) Exhaust (brown) 12.21 Avensys srl reserves the right to make changes without prior notice...
Page 4: Main Components
Postheater comparment (eletric) (IEHD) ⑭ Preheater comparment (electric)(IPEHD) ⑮ Condensate drain pipe outlet (located at the spigot) ⑯ Water pump access panel UNIT WITH RETURN PLENUM ⑰ Compressor lever 12.21 Avensys srl reserves the right to make changes without prior notice...
Page 5: Safety
1 1995-11 DIN VDE 0702-1 run. Don’t run the unit prior to complete installation. 12.21 Avensys srl reserves the right to make changes without prior notice...
Page 6 Lay a spacer on the floor with the same height of the pallet Step 3 Remove the screws from the feet to remove the feet 12.21 Avensys srl reserves the right to make changes without prior notice...
Page 7 4 nuts (lock nuts) and 4 washers per rod Step 4 Fix the side panels to the unit with 4 hex head screws and 4 washers (both for each panel) Close the side panels 12.21 Avensys srl reserves the right to make changes without prior notice...
Page 8 600 mm 600 mm CEILING VOID Free space for Free space for service and service and operation operation Free space for service and operation 12.21 Avensys srl reserves the right to make changes without prior notice...
Page 9: Dimensions
MANUAL - Heat Recovery unit Installation - Operation - Maintenance 7 DIMENSIONS SG 47 SG 77 SG127 1950 1950 1950 1860 1860 1860 WEIGHT 170 kg UNIT WITH RETURN PLENUM: see specific document 12.21 Avensys srl reserves the right to make changes without prior notice...
Page 10: Electrical Installation Procedure
Connect the power cable in conformity with labels located on the board 12.21 Avensys srl reserves the right to make changes without prior notice NAME DATE Tutte le pieghe si DRAWN 04/11/21 Tech. Dept. intendono a 90°...
Page 11 (in accordance to the local laws). Cable for remote control must be in accordance to the recommendatios you find in the IOM of the remote control. VERY IMPORTANT: insert the cable through the cable guide 12.21 Avensys srl reserves the right to make changes without prior notice...
Page 12 UNIT POWER BYPASS X3-1 X3-2 INTERNAL X3-3 ACCESSORIES (OPTION) ELECTRIC BOARD Ex. AIR DUCT SENSOR INTERNAL PREHEATER CONTROL BOARD AIR SENSORS OR HEATING/COO- TOUCH LING ACCESSO- SCREEN RIES 12.21 Avensys srl reserves the right to make changes without prior notice...
Page 13 Weekly program is set and fans are operating program WEEKLY Weekly program is set program FILTER Clogged filter, see Maintenance and Troubleshooting filter ALARM See Troubleshooting service 12.21 Avensys srl reserves the right to make changes without prior notice...
Page 14: Accessories And Controls
Mechanical accessories ● • Return plenum (REP) ● • Supply plenum (PLE) ▲ external accessory(option) ◆ inside the unit (option) ● factory fitted as standard ○ not available 12.21 Avensys srl reserves the right to make changes without prior notice...
Page 15 Direct expansion coil with electronic controls (SIDE MODULE) Size Item ref. number Supply Capacity Current Air flow [kW] rate [m3/h] AHDGASDXD18 IDXD AHDGASDXD20 230V - 50Hz AHDGASDXD22 1200 12.21 Avensys srl reserves the right to make changes without prior notice...
Page 16: Antifrost
MGR APPR SIZE Spessore: Classe di tolleranza*: Raggio di piega Material: Name?:Material ISO 2768-M R=1.3 FILE NAME: asmCORRETTOnew.dft Cava V10 *Ove non diversamente specificato SHEET 1 OF 1 PROJECT: 12.21 Avensys srl reserves the right to make changes without prior notice...
Page 17: Ce Declaration
EN 60335-2-80 Electric domestic products and similar - safety general part 2: special requirements for fans Place and date Sordio , 29.01.18 Signature Nicola Morganti (Technical Manager) Avensys Srl 12.21 Avensys srl reserves the right to make changes without prior notice...

This manual is also suitable for:

Sg 77 Sg127