Pre-programmed
Water Heater Timer
Setup Instructions
With 100-Hour Backup
Federal Communications Commission (FCC) Notice
Description
This document explains the setup and configuration of the Intermatic WH2725AT 1-Circuit
Pre-programmed Water Heater Time Switch. The time switch can support up to 16 fixed OFF
events . Each fixed event can be applied to any time outside of the City Code requirements.
The time switch features an LCD and panel-mounted control buttons to set, review, and
monitor the time switch functions, including setting date and time and schedule creation.
Follow these instructions to complete the installation and programming of the WH2725AT
Pre-programmed Water Heater Time Switch. The time switch has the city codes for enabling
usage of the water heater already programmed onto its on board memory.
This device complies with part 15 of the FCC rules. Operation of this device is subject to the following two conditions: (1) This device
may not cause harmful interference, and (2) This device must accept any interference, including interference that may cause undesired
operation. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the
FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated
in a residential environment. This equipment generates, uses and radiates radio frequency energy and, if not installed and used in
accordance with instructions, may cause harmful interference to radio communications. However, there is no guarantee that
interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more
of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
Model WH2725AT Installation and
Shown in indoor/outdoor
lockable metal enclosure
NOTICE
• Do NOT touch circuit board components, contact can create a static discharge, which can damage these electronic components.
• Disconnect power at the circuit breaker(s) or disconnect switch(es) before installing or servicing.
• More than one circuit breaker or disconnect switch may be required to de-energize the equipment before servicing.
• Installation and/or wiring must be in accordance with National and Local Electrical Code requirements.
• Use #14-#8 AWG wires, rated at least 105°C - COPPER conductors ONLY.
• If the power disconnect point is out of sight, lock it in the OFF position and tag it to prevent unexpected application power.
• Make sure there is no wire insulation under the terminal plate on the time switch connector. Firmly tighten terminal screws.
• For outdoor locations or wet locations (rain-tight), conduit hubs that comply with requirements of the UL514B (standard for fitting conduit and
outlet boxes) are to be used.
• Do not remove insulator that is covering terminals.
• Do NOT exceed maximum current carrying capacity.
• KEEP DOOR CLOSED AT ALL TIMES when not servicing.
Risk of Fire or Electric Shock
WARNING
