Vector Controls Innovative Controls and Sensors

TLR-D42 with OPU-D42

Fan coil unit controller for 3-speed fans and 2 modulating actuators.

The TLR-D42 is a stand-alone electronic single loop controller with a fan control option and one PI heating and cooling sequence. The controller includes 1 NTC room temperature sensor, 3 + 1 relays outputs and two analog outputs. A detailed adaptation to local conditions is possible with the use of a simple configuration routine.

The TLR-D42 can be configured using the standard operation terminal. No special tools or software is required.

The TLR-D42 has been specifically developed to switch larger fans with switching power of up to 10 (6) A.

Applications

1 or 3 speed air handler units or fan coils, cooling and/or heating, for 2-pipe or 4-pipe systems with one or two modulating valves; and/or one ON/OFF control (electrical heat, gas heat, hot water spring return valve, etc).

VAV units with heat and cool air supply (auto change-over), fan powered option; local heating coil (electrical, hot water coil, etc.).

Features

Temperature control for 2-pipe and 4-pipe fan coil systems.
Relays switching up to 10(6)
Three binary outputs for fan speeds
Two analog output for modulating 0-10 V actuators
One binary output for a spring return zone valve, electric heat, gas heat, etc.
Automatic fan control for three stage fans.
Control for heating, cooling and fan only operation
Cost saving option with economy functionality and set point limitation
For large rooms: Master – Slave option: One terminal may drive up to 8 base units in parallel.
External sensor or open contact for remote control, external heat – cool change or auto-changeover on supply or outdoor temperature with selectable activation limits
Password protected programmable user and control parameters
Temperature display in Celsius or Fahrenheit

Deluxe version

Clock and time schedule functions with special options for schools and universities
Clock keeps running for 48h in case of power failure
Display with blue backlight
Infrared remote controller option: with special features for boost and delayed switching on or off

Ordering

Item name	Item code	Power supply	Description
TLR-D42-24	40-110085	24 VAC/DC	Base unit with 1 TI int. or ext., 3 DO (relay) fan control, 1 DO (relay) binary control, 2 AO 0...10 VDC
OPU-D42	40-100166		Standard operation terminal (88x88 mm)
OPU-D42-D	40-100167		Deluxe operation terminal (88x88 mm)