Denso RT1 Owner's Manual page 18

All electrical work and permanent wiring must be carried out by an
appropriately qualified person in accordance with national wiring regulations
and all other applicable local codes and regulatory authority requirements.
This unit must be earthed & connected through a suitably rated two-
pole switch allowing disconnection of the active & neutral conductors.
Location of the Serial Number on the roof top unit:
17
Operation
REGISTRATION OF YOUR UNIT
Once installed, owners are encouraged
to register their product with DENSO.
Please follow the link, via the QR code to
complete on-line registration or log on
to www.denso.com.au/caravan
for the "on-line registration forms - Caravan Airconditioning. "
Alternatively, complete the below form and mail it to DENSO.
Name:
Address:
Telephone:
Caravan brand:
Caravan model:
Date of purchase:
Place of purchase:
Installed by:
Serial No: **
** See page #17 for location of Serial No.
and look