Rheem W2W Series Owner's Manual And Installation Instructions page 20

INSTALLATION
WATER HEATER LOCATION
All models are designed to be installed outdoors or indoors, as long as the room
meets the volume requirements stated above.
It is advisable to install the water heater away from bedroom or living room
windows as the system can generate a noise of 59dBA (at 3 metres from the
water heater) whilst operating.
It is recommended the water heater be installed at ground or floor level. Stacked
units with base unit at ground or floor level is acceptable from a servicing
perspective.
The water heater must stand vertically upright.
Clearance must be allowed for servicing of the water heater. The water heater
must be accessible without the use of a ladder or scaffold.
You must be able to read the information on the rating plate. Remember you may
have to remove the entire water heater later for servicing.
A clearance of 850 mm is required from the side of water connections and the
front of the heat pump.
SAFE TRAY
Where damage to property can occur in the event of the water heater leaking or
condensate forming under the drain tray, the water heater must be installed in a
safe tray or be suitably bunded. Construction, installation and draining of a safe
tray must comply with AS/NZS 3500.4 and all local codes and regulatory
authority requirements.
20