3
G
Quick Connect
Cord
Gas Supply Piping
Cold Water Supply
Hot Water
Remote Controller
*1
Cord
Connector
Cord
Connector
3.
Quick Connect Multi System Installation
• The Quick Connect Multi System allows the installation of two units together utilizing only the Quick
Connect Cord.
The Quick Connect Cord is 6' (2m) long. Install the units 2-18" (50-450mm) apart from each other
to ensure the cord will be able to reach between the units. (See Typical Plumbing diagram).
(If the distance between the two units is too great, not only will the cord not be able to reach,
but the water temperature may also become unstable because of the difference in pipe length
between the two units).
*1 When connecting two units, disconnect
the remote controller connector from
the other unit.
Note: Connect the remote
controller to only one
of the units.
When quick connecting
with a NR83-DVC model,
the remote controller
must be connected to
the NR83DVC (GQ-
2457WS-FFA US) unit.
System Diagram
• Insulate the hot wa ter piping to prevent heat loss. Insulate and apply heating materials to the
cold water supply piping to prevent heat loss and freezing of pipes when exposed to excessively
cold temperatures.
Size the piping to allow for the
maximum flow rates of the units.
Distance at center: 16-32" (406-812mm).
Union
Hot Water
Shutoff
Valve
Cold Water
Distance on sides
2-18" (50-450mm).
Union
Quick Connect
Cord
Pressure
Relief
Valve
Shutoff
Valve
Union
Gas Valve
Shutoff Valve
Leave enough clearance around the plumbing to
apply insulation. It will be necessary to add
bends to the piping to ensure that this clearance
is available.
Make this distance as short
as possible.
* The hot water temperature
will become unstable as the
pipe length increases.
The backflow preventer is
put up before it diverges.
Typical Plumbing
