heat-timer ETV Platinum Plus, Инструкция по установке и эксплуатации

Страница: 6 / 56

6 ETV Platinum Plus Installation and Operation Manual
059305-00 Rev. D Heat-Timer Corp.
ETV Platinum Plus Outputs
Actuators
When the Control Mode is set to ETV or ETV + TMC, the control operates a single or dual motorized mixing valve
to maintain the hot water temperature at the Setpoint. This is done by sending 24Vac power and a
modulation signal to the mixing valve.
During loss of power the actuator will automatically position itself and the valve to a full COLD position. Once
power is restore the actuator will return to normal operation.
TMC Valve
When the Control Mode is set to TMC or ETV + TMC, the ETV Platinum Plus uses a TMC Safety Valve to close
the hot water feed to the mixing valve when excessive mixed temperatures exceed the Alarm Limit (see “TMC
Setpoint” on page 45 ) for the specified Delay Alarm period.
The control can manage either a motorized ball valve (powered OPEN and powered CLOSED) or a
Normally Open (N.O.) or Normally Closed (N.C.) solenoid type valve. Heat-Timer recommends the use
of a motorized ball valve with battery backup TMC valve for better performance during power
outages.
NOTE: The ETV Platinum Plus does not source power to the TMC valve terminals. An external power source
is required.
TMC Lockout Output
The TMC Lockout can be used to provide a notification that the unit has gone into lockout. Devices that can
be connected to the ETV Platinum Plus include: Vis-U-Alarm, audible alarm, Remote Management System, or
any other device that requires a switch closure or an open switch to trigger an alarm.
NOTE: The ETV Platinum Plus does not source power to the TMC Lockout terminals. An external power source is
required.
The TMC Lockout LED will be lit whenever the control is in lockout. To exit TMC Lockout mode, the cause of
the alarm must end or be corrected, the System Sensor reading must drop below the TMC Limit, and the
Reset button must be pressed (see “Reset Lockout” on page
51
).