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Section D: tekmar Net 1/2 Devices
TEKMAR ROOM TEMPERATURE UNIT (RTU) 060
This RTU consists of an air temperature sensor, a dial, an LED and a push button. The dial
is used to set the desired occupied room temperature. The push button is used to select
either a permanent unoccupied override or a temporary occupied override. Once the push
button is pressed and released, a red LED is activated to indicate a permanent unoccupied
override. Once the push button is pressed and held for at least one second, a green LED
is activated to indicate a temporary occupied override.
TEKMAR ROOM TEMPERATURE UNIT (RTU) 062
This RTU consists of an air temperature sensor, a liquid crystal display (LCD) and four
buttons. These buttons and the LCD are used to set and view the desired room temperature,
and for setback overrides. The RTU’s LCD displays the current room temperature, the
outdoor air temperature and a number of other items.
In cases where a restricted temperature range is required, the RTU’s range can be limited
by changing the access level of the RTU.
TEKMAR ROOM TEMPERATURE UNIT (RTU) 063
This RTU consists of one internal air sensor, three remote temperature sensor inputs, a
liquid crystal display (LCD) and four buttons. These buttons and the LCD are used to set
and view the desired room temperature, and for setback overrides. The RTU’s LCD displays
the current room temperature, the outdoor air temperature, temperature at the slab sensor,
and a number of other items. In cases where a restricted temperature range is required, the
RTU’s range can be limited by changing the access level of the RTU.
Remote indoor sensors can be connected to the 063 to average the air temperature read-
ing. Typically, multiple remote sensors are used in large open areas in a building to get an
average indoor air temperature. Any type of tekmar 10K sensor can be connected to the
input(s) on the 063.
Room or Slab Temperature Control using a Floor (Slab) Sensor
The RTU 063 can be configured for floor (slab) and air temperature control using a floor (slab) sensor connected to the
Rs3 and
Com terminals (3 & 5) and the air sensor in the RTU. The minimum and maximum floor (slab) temperature and air temperature
settings are adjusted at the RTU. The minimum and maximum slab setpoints have priority over the air temperature setpoint. Once
the slab setpoint(s) have been satisfied, the air temperature setpoint can then be satisfied.
If the air temperature sensor at the RTU is turned off, the air temperature is ignored.
TEKMAR REMOTE DISPLAY MODULE (RDM) 040
This module provides the user with a remote interface to the 369. The RDM can be used to
remotely monitor and adjust settings on the control and display RTUs. The RDM can display
any of the system and status indicators visible on the control and display RTU. It also has
a built in alarm contact that can be used to trigger an external alarm if either a control or
sensor error occurs, or if a limit has been reached.
To access the control’s user interface, select CTRL through the DEVICE item in the
Misc
menu. To access a display RTU’s user interface, select RTU
i (where i corresponds to the
appropriate zone) through the DEVICE item in the Misc menu.
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- 01/09
