Commercial Air to Water Heat Pump Water Heater
5
WARNING: This water heater is only intended
to be operated by persons who have the expe-
rience or the knowledge and the capabilities
to do so. This water heater is not intended to
be operated by persons with reduced physical,
sensory or mental capabilities i.e. the infirm,
or by children. Children should be supervised
to ensure they do not interfere with the water
heater.
This water heater uses 208-240 or 480 VAC electrical power
for operation of the control systems and other electrically op-
erated components. The removal of the access cover(s) will
expose 208-240 or 480 VAC wiring. They must only be re-
moved by a qualified person.
• DO NOT use aerosols, stain removers and chemicals
near the water heater. Gases from some aerosol sprays,
stain removers and chemicals are corrosive to the mate-
rials used in the heat pump system.
• DO NOT store swimming pool chemicals, household or
industrial cleaners, etc., near the water heater.
• Ensure the air inlet and outlet ports and air flow are not
obstructed in any way at any time.
SAFETY
This water heater is supplied with built in Controller which
controls low and high pressure switches, low temperature cut
off, temperature safety switch and flow switch.
Additionally, the compressor is fitted with thermal overload
protection, the condenser heat exchanger is fitted with a
pressure relief valve, the heat pump is supplied with a built
in ambient temperature sensor. These devices must not be
tampered with or removed. The water heater must not be op-
erated unless each of these devices is fitted and is in working
order.
If the electrical supply conduit to the water heater is dam-
aged, it must be replaced by a qualified person in order to
avoid a hazard. Contact your local service contractor to ar-
range for an inspection.
WARNING: For continued safety of this wa-
ter heater it must be installed, operated and
maintained in accordance with the Owner’s
Guide and Installation Instructions.
WARNING! FLAMMABLE CONTENTS UNDER
PRESSURE.. The compressor wiring terminals
may arc allowing pressurized refrigerant and
oil to escape, ignite and cause serious bodily
injury, severe burns or death.
The warranty may not cover faults if relief
valves or other safety devices are tampered
with or if the installation is not in accordance
with these instructions.
TO TURN OFF THE WATER
HEATER
• Switch off the electrical supply at the circuit breaker
to the water heater.
• Close the isolation valves at the inlet and outlet of the
water heater.
TO TURN ON THE WATER
HEATER
• First, ensure the water is connected to storage tanks,
the system is filled with water and all valves between
the tanks and the water heater are open.
• Switch on the electrical supply at the circuit breaker
to the water heater.
NOTE: The water heater may not turn on immediately
when it is first switched on, if it is switched on within 20
minutes to 2 hours of it having been switched off at the
circuit breaker, or the heat pump has just completed a
heating cycle. The water heater will wait until the condi-
tions for start-up are favorable in order to protect the
compressor from damage. This may take up to 20 min-
utes to 2 hours.
HOW DO I KNOW IF THE
WATER HEATER IS INSTALLED
CORRECTLY?
Installation requirements are shown on the "Installation"
section. The water heater must be installed:
• by a qualified person, and
• in accordance with the installation instructions, and
• in compliance with Standards UL 1995, NSF/ANSI/
CAN 61 and all local codes and regulatory authority
requirements.
ABOUT YOUR WATER HEATER
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