
Table of Contents
1 Safety precautions
1.1 Personal protective equipment .......................................................................................................... 1
1.2 Prevent injury to personal or damage to air handling units .......................................... 1
1.3 Product signs, information and warning stickers ................................................................. 2
1.4 Safety message ............................................................................................................................................ 2
1.5 General safety messages ...................................................................................................................... 3
2 General
2.1 Intended use ................................................................................................................................................... 6
2.2 Manufacturer ................................................................................................................................................... 6
2.3 Designations ................................................................................................................................................... 6
2.4 CE marking and EU Declaration of Conformity ..................................................................... 7
2.5 Maintenance .................................................................................................................................................... 7
2.6 Handling of refrigerant ............................................................................................................................. 7
2.7 Extended warranty ...................................................................................................................................... 8
2.8 Spare parts ....................................................................................................................................................... 8
2.9 Dismantling and decommissioning ................................................................................................ 8
3 Technical description
3.1 Envistar Flex air handling unit ............................................................................................................. 9
4 Wiring instructions and fuse protection
4.1 MX - Complete control equipment
Complete electrical connection to terminal without controller unit ...................... 10
4.2 MK – Fans and heat exchangers electrically connected to terminal ................. 11
4.3 HS, US - Without control and without electrical connection .................................... 12
4.4 Wiring instructions, Fan (code ELFF) .......................................................................................... 13
4.5 Wiring instructions, Air heater electric (code ESET-EV, ELEE*) ............................... 18
4.6 Wiring instructions, Rotary heat exchanger (code EXR/EXRD) ............................... 19