16
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.
NOTICE: Extension cable
can be any Type-T 18 AWG
wire similar to a thermostat
wire and need not be polarity
sensitive.
Do Not apply sealant to the
remote control cable.
It is not recommended to
have wiring exposed.
Use only 18 AWG
Thermostat wire.
Do not use network cable,
telephone wire or any twisted
pair cable.
Remote Control Installation
Connecting the MAIN (UMC-117 ) remote
control to the water heater:
●
Drill a 1” (2.5 cm) to 1-1/2” (3.8 cm) hole
at the proposed control location.
●
Install the remote control cable between the
location of the remote control and the
water heater.
●
Remove the base plate from the control.
●
Feed the remote control cable through the
central hole in the base plate.
●
Fix the base plate to the wall using
suitable screws and wall anchors.
Ensure the projections on the base
plate are pointing upward.
●
Place the remote control over the
base plate. Ensure the projections in
the base plate fit into the housings in
the remote control.
●
Fix the control to the base plate at the
bottom of the remote control using the
screw provided.
●
Proceed to “Connecting the remote
control to the water heater”, to complete
installation.
Connecting the remote control to the water
heater:
●
Ensure that the power to the water heater
has been disconnected.
●
Loose the 1 screw located on the remote
control connection cover made of white
plastic (see the diagram on the left top).
●
Connect the remote control cables from
the remote control with the remote control
connection terminals (see the diagram on
the left bottom).
NOTICE: The remote control connection
terminals are not polarity sensitive.
●
Firmly tighten the terminal screws.
●
Secure the remote control cable on the
hook located on the side of the remote
control connection base.
●
Tighten the 1 screw and attach the remote
control connection cover to the water
heater.
●
Switch on the power supply to the water
heater.
●
Ensure proper operation of the remote
control and water heater.
Remote
Control
Projections
Suitable
Wall Anchors
Base Plate
Screws
Control
Screw
Remote Control
Cable
Wall
Penetration
Remote Control
Connection Cover
Gas Inlet
Valve
Remote Control Connection Terminals
Remote
Control
Cable
AP15318 tankless 10 30 09.indd 16
11/9/2009 3:17:38 PM
