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H4123 025961 Rev. A July 2012
Installation and Owner’s Manual – Heat Pump
• This water heater is designed for
direct connection to water supply
pressures of no greater than
800kPa
.
• Where the mains pressure can
exceed or fluctuate beyond 800kPa,
a pressure limiting device (complying
with AS1357) must be fitted.
PTR Valve
• Connect the supplied PTR valve
into the top socket marked “RELIEF
VALVE” and discharge according to
plumbing regulations.
• PTR Valves for the unit
are rated at
1000kpa
.
• The drain line from this valve must
run in a continuously downward
direction with the discharge end left
permanently open to atmosphere.
Warning: A separate drain
line must be run for this relief
valve. It is not permitted to
couple drain lines from relief
valves into a single common
drain line.
• The PTR Valve is not intended to
enable connection of the water
heater to supplementary energy
sources such as solar panels or
slow combustion stoves (refer AS/
NZS 3500.4.2 for guidance on these
types of installations)
Installation Instructions