42
Water
Heater
Check Valve
(Back Flow Preventer)
Expansion Tank
(Install according
to local code)
Cold Water
Supply
Hot Water Return
(Operating in crossover mode)
Cold Water Supply
(Normal usage)
(*1) Manufacturer stocks the “Isolation Valve” (Service Valve Kit) for easy water line installation. The Isolation Valve (Service Valve Kit)
is necessary for flushing the Heat Exchanger.
Remote
Controller
(*1)
(*3)
Fixture
Fixture
Fixture
(*2)
Crossover Valve
Hot Water Supply Line
To hot water
faucet
Hot
Water
OUT
Cold
Water
OUT
To cold water
faucet
Crossover Valve
Flex Hose
(provided in kit)
Flex Hose (existing riser)
Flex Hose (existing riser)
Flex Hose
(provided in kit)
Cold Water
IN
Hot Water
IN
(*2) Verify installation direction of the Crossover Valve.
(*3) The cold water supply line must be branched to the hot
water return line for Crossover mode. The Crossover Kit
including in this branch pipe will be stocked in the
Manufacturer. See the part number on page 5.
Crossover
Connect the connector
marked "Crossover" for
Crossover mode. Without
connecting this connector,
the error code 63 may be
displayed on the remote
controller.
[With the Crossover Valve]
• Connect the connector marked “Crossover”. Refer to page 51 for the location of the connector.
• The minimum setting temperature is “Fahrenheit mode : 120°F / Celsius mode : 50°C for Crossover Mode.
(CAN NOT set the hot water temperature lower than 120°F / 50°C.)
• Compatible crossover valves are the manufacturer (Sensor Valve Kit: 1829) or Watts (Sensor Valve Kit:
596816) products only.
Model number or specification subject to change at manufacturer’s discretion. Be sure to contact the
manufacturer.
NOTE
• Crossover valve passes cold water, therefore Water Heater will operate and recirculate
automatically even without direct hot water usage.
• If gurgling noise occurs or the error code 63 appears on the Remote Controller, it may be
caused by air remaining in the system (e.g. Cold Water Line, Hot Water Line, Return Line or
Water Heater). Purge air from the system completely, following instructions on page 60-64.
• For proper recirculation operation, only one crossover valve may be installed.
Connecting the Water Supply
Содержание GQ-C3260WXQ-FF PB US
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