Installer reference guide / Mono tank integrated type 51
About opening the unit
Normally the unit should remain closed, except for:
• When connecting the electrical wiring
• When maintaining or servicing the unit
WARNING
Do not leave the unit unattended when the service cover is removed.
To open the indoor unit
Overview
Mono outdoor outlet
Mono outdoor inlet
Hot water outlet
Secondary return (260L option)
Cold water inlet
Space heating outlet
Space heating inlet
①
②
③
1 Control box cover
2 Front panel
3 User interface panel
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