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Vtronix TF85L-200 Installation Manual

Vtronix TF85L-200 Installation Manual

Digital room thermostat

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APPLICATION
The TF85L Thermostat provides 24VAC single stage temperature control of 2 pipe and 4 pipe fan-coil
applications with automatic control of a 3 speed fan along with manual heat/cool changeover.
The TF85L Thermostat is mercury free and requires no batteries. All set points are retained permanently in
non-volatile memory in case of a power interruption.
* Heat or Cool mode selection. For Auto changeover model, Heat/Cool mode can not be changed.
WARNING
Improper installation, adjustment, alteration, service, maintenance or use can cause explosion, fire,
electrical shock or other conditions which may cause personal injury, death or property damage.
Observe all warning and caution notices in this document and those posted on the equipment.
Wear safety glasses, gloves and protective clothing.
Do not operate equipment or apply electrical power without panels in place.
Normal system operation will cause some components and surfaces to become hot and can cause burns.
Before installing, modifying or servicing system, main electrical disconnect switch must be in the OFF
position. There may be more than one disconnect switch. Lock out and tag switches with a suitable
warning label. Electrical shock can cause personal injury or death.
All electrical power should be turned off when servicing or repairing electrical components. Extreme
caution should be observed when trouble shooting electrical components when power is applied.
Observe all warning notices posted on equipment.
Fig.1. LCD Digital Room Thermostat.
VTRONIX, LLC Po Box 267096, Weston, FL 33326
Copyright © 2017 Vtronix Document no. 170064-110E (Rev.00)
TF85L-200 (T200) Manual Changeover
TF85L-201 (T201) Auto Changeover
Digital Room Thermostat
INSTALLATION MANUAL
Vtronix
Heat/Cool*
1

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Summary of Contents for Vtronix TF85L-200

  • Page 1 All electrical power should be turned off when servicing or repairing electrical components. Extreme caution should be observed when trouble shooting electrical components when power is applied. Observe all warning notices posted on equipment. VTRONIX, LLC Po Box 267096, Weston, FL 33326 Copyright © 2017 Vtronix Document no. 170064-110E (Rev.00)
  • Page 2: Installation

    Fig. 1. Separate front of the thermostat from the rear case by using screwdriver to twist and open the locking tab as shown. Do not push on the LCD as it will damage it. Do not twist or bend the the thermostat. VTRONIX, LLC Po Box 267096, Weston, FL 33326 Copyright © 2017 Vtronix Document no. 170064-110E (Rev.00)
  • Page 3 Fig. 7. Tighten the screw. the thermostat to snap in place. VTRONIX, LLC Po Box 267096, Weston, FL 33326 Copyright © 2017 Vtronix Document no. 170064-110E (Rev.00)
  • Page 4: Wiring Diagram

    Vtronix WIRING DIAGRAM Fig.8. For 24 VAC system. VTRONIX, LLC Po Box 267096, Weston, FL 33326 Copyright © 2017 Vtronix Document no. 170064-110E (Rev.00)
  • Page 5: Operation

    This button is deactivated for Auto changeover model. Heat/Cool mode can not be changed. Press button to select the fan speed in the following sequence. LCD at will show the status of the fan VTRONIX, LLC Po Box 267096, Weston, FL 33326 Copyright © 2017 Vtronix Document no. 170064-110E (Rev.00)
  • Page 6 2 and 3. In this case the thermostat is controlling to the temperature sensed on the external sensor. VTRONIX, LLC Po Box 267096, Weston, FL 33326 Copyright © 2017 Vtronix Document no. 170064-110E (Rev.00)

This manual is also suitable for:

T200Tf85l-201T201