Rheem Tankless Water Heater User Manual
Remote Control Installation
One (1) remote control is provided with the
water heater. Additional remote controls may
be purchased separately. Up to three (3) remote
controls can be used with this water heater.
water heater. Additional remote controls may
be purchased separately. Up to three (3) remote
controls can be used with this water heater.
The following are considerations for
determining the location of the remote
control(s):
determining the location of the remote
control(s):
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●
DO NOT install any remote control
outdoors or in areas where it can come in
contact with water.
outdoors or in areas where it can come in
contact with water.
●
●
Place remote control out of children’s reach.
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●
The remote control can be installed in
convenient locations such as the kitchen,
laundry room, utility room, or directly beside
the indoor water heater.
convenient locations such as the kitchen,
laundry room, utility room, or directly beside
the indoor water heater.
●
●
Avoid areas where the remote control may
be exposed to heat, e.g. stove, ranges or
heaters.
be exposed to heat, e.g. stove, ranges or
heaters.
●
●
Avoid areas where the remote control may
be subjected to oil and/or steam
from cooking.
be subjected to oil and/or steam
from cooking.
●
●
Avoid areas where chemical agents (such
as thinner, benzine and alkalines) are used.
as thinner, benzine and alkalines) are used.
●
●
Avoid areas of direct sunlight.
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●
The MAXIMUM distance between the water
heater and the remote control installation
location is limited to 195 feet (59 m) of wire.
heater and the remote control installation
location is limited to 195 feet (59 m) of wire.
NOTICE: Only one of each type of remote
controls can connect to the water heater.
Therefore, a maximum of three controls
can connect to the water heater.
controls can connect to the water heater.
Therefore, a maximum of three controls
can connect to the water heater.
No other manufacturer’s controls are
suitable for use with this water heater.
suitable for use with this water heater.
DO NOT attempt to disassemble the
remote control.
remote control.
WARNING: Field wiring connections and electrical grounding must comply with local codes, or in
the absence of local codes, with the latest edition of the National Electrical Code, ANSI/NFPA 70, or
in Canada, Canadian Electrical Code, CSA C22.1 Part 1.
in Canada, Canadian Electrical Code, CSA C22.1 Part 1.
°F
PRIORITY
POWER
ON/OFF
MAIN
Control
Base Plate
Control screw
Mounting Screw x 2
20
Installing the Main Remote Control:
Remote Control
Model Number
Remote Control
Description
Temperature
Set Point Range
Availability
Models
USC1-117
BATH 1
100°F - 120°F
(38°C)-(49°C)
(38°C)-(49°C)
Optional
(Sold Separately)
Light Duty Only
USC2-117
BATH 2
100°F - 120°F
(38°C)-(49°C)
(38°C)-(49°C)
Optional
(Sold Separately)
Light Duty Only
UMC-117
MAIN
100°F - 120°F
(38°C)-(49°C)
(38°C)-(49°C)
Provided with
Heater
(Factory Default)
Light and Heavy
Duty
125°F - 140°F
(52°C)-(60°C)
(52°C)-(60°C)
With Dip Switch
Adjustment
Light Duty
125°F - 180°F
(52°C)-(82°C)
(52°C)-(82°C)
With Dip Switch
Adjustment
Heavy Duty
MIC-180
Manifold
Manifold
System
Manifold
System
------
Optional
Sold Separately
Heavy Duty
Only
NOTICE: The provided
remote control will allow
a maximum temperature
setting of 120°F (49°C).
Temperatures of up to 140°F
(60°C) for Light Duty
models and up to 180°F
(82°C) for Heavy Duty
models can be achieved with
the MAIN (UMC-117)
remote control and a dip
switch adjustment. Only
Heavy Duty water heaters
can achieve temperatures up
to 180°F (82°C). Only
qualified service personnel
should perform this
adjustment.
remote control will allow
a maximum temperature
setting of 120°F (49°C).
Temperatures of up to 140°F
(60°C) for Light Duty
models and up to 180°F
(82°C) for Heavy Duty
models can be achieved with
the MAIN (UMC-117)
remote control and a dip
switch adjustment. Only
Heavy Duty water heaters
can achieve temperatures up
to 180°F (82°C). Only
qualified service personnel
should perform this
adjustment.
NOTICE: If the Heavy Duty
water heaters are installed
in a manifold system, the
main remote control
connected to the manifold
controller (MIC-180) has
priority over the remote
controls connected to the
water heater.
water heaters are installed
in a manifold system, the
main remote control
connected to the manifold
controller (MIC-180) has
priority over the remote
controls connected to the
water heater.
NOTICE: An optional cable
(EZ Link Cable
(EZ Link Cable
™
) can be
purchased separately to
manifold two heaters of
either Light Duty or Heavy
Duty together.
manifold two heaters of
either Light Duty or Heavy
Duty together.