Replacement Of The Etv Plus Tr1000 Actuator - heat-timer HTC Installation And Operation Manual

REPLACEMENT OF THE ETV PLUS TR1000 ACTUATOR

WARNING
ELECTRICAL SHOCK HAZARD! Disconnect electrical power to the device before servicing or making any
electrical connections. Failure to do so may result in severe personal injury or death.
Follow all local and state electrical codes when installing the unit. All wiring must meet or exceed local,
state, federal codes and requirements.
WARNING
SCALD HAZARD! To avoid any potential of a scald hazard it is recommended to isolate the valve from the
system by closing at a minimum the isolation valve on the HOT supply to the valve.
1 Disconnect power to the ETV module through a service switch or circuit breaker.
NOTE: Although the TR1000 actuator contains a service switch it is not recommended for this type of
servicing to use it as power will still be present on the wiring from the ETV module and a shock hazard
is still present.
2 Remove the actuator cover to access the wire terminals by removing the (2) mounting screws on the front
red cover.
3
Prior to removing the wires from the terminals, it is a best practice to label the wiring to ensure proper wiring to
the HTC Actuator.
• Label Terminal B wire as 24V.
• Label Terminal O (right of Terminal B) wire as 24V.
• Label Terminal O (left of Terminal E) wire as V(-).
• Label Terminal E wire as V(+).
4
Remove the wiring from the bottom of the actuator. If needed remove any electrical NM connector or conduit
attached to the actuator housing.
5
Push the Red Manual Crank Handle down and lift the lever. With the Crank Handle pushed down, rotate the
handle counterclockwise to lower the actuator and valve stem down to its full position.
6 Loosen and remove the (2) screws from the Actuator Stem Locking Bracket and remove the bracket from the
valve stem.
7 Loosen and remove the (2) screws from the Actuator Valve Locking Bracket and remove the bracket from the
valve body.
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HEAT-TIMER CORP.
03 APPLICATIONS
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