Electra DNC series Service Manual page 126

INSTALLATION MANUAL
Table of Contents
1. List of accessories provided with the air-conditioner .................................................................. 1
2. General ....................................................................................................................................... 2
2.1 Indoor unit dimensions DNC - all types ...................................................................................... 3
2.2 Outdoor unit dimensions DNC 955, DNC 955 3PH .................................................................... 4
2.3 Outdoor unit dimensions: DNC 1155, DNC 1255 ....................................................................... 5
3. Considerations for choosing installation location........................................................................ 6
3.1 Relative positioning between units ............................................................................................. 6
3.2 Considerations in selecting location for installing the outdoor unit ............................................. 6
3.3 Considerations in selecting location for installing the indoor unit ............................................... 7
4. Installation of the indoor unit....................................................................................................... 8
4.1 Hanging the indoor unit............................................................................................................... 9
4.2 Installing DNC return air panel.................................................................................................. 11
4.3 Fresh air supply (optional) ........................................................................................................ 12
4.4 Connecting the drainage tube................................................................................................... 13
5. Installation of flexible ducts....................................................................................................... 14
5.1 Installation instructions ............................................................................................................. 14
6. Installation of the outdoor unit................................................................................................... 16
6.1 Installation on a concrete slab .................................................................................................. 16
6.2 Installation on the wall .............................................................................................................. 16
7. Installation of interconnecting tubing between indoor and outdoor units .................................. 17
7.1 General ..................................................................................................................................... 17
7.2 Gas tubes ................................................................................................................................. 17
7.3 Relative positioning of the indoor and outdoor units................................................................. 18
7.4 Insulating the gas tubes............................................................................................................ 20
7.5 Preparing the flare and connecting the tubes between units.................................................... 20
8. Preparing the air-conditioner for operation ............................................................................... 21
8.1 Performing vacuum in the indoor unit and in tubes .................................................................. 21
8.2 Tightening nuts ......................................................................................................................... 23
9. Electrical and tubes installation ................................................................................................ 24
9.1 1PH units .................................................................................................................................. 25
9.2 3PH units .................................................................................................................................. 25
10. Remote control ......................................................................................................................... 26
11. Tests upon completing installation............................................................................................ 26
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