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Vtronix TF85L –10011 Installation Manual

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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.
* This button shows Heat/Cool status 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.
TF85L –10011 (T200) Manual Changeover
TF85L - 11011 (T201) Auto Changeover
Fig.1. Digital Room Thermostat.
Digital Room Thermostat
INSTALLATION MANUAL
Vtronix
1

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Summary of Contents for Vtronix TF85L –10011

  • Page 1 Vtronix TF85L –10011 (T200) Manual Changeover TF85L - 11011 (T201) Auto Changeover Digital Room Thermostat INSTALLATION MANUAL 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.
  • Page 2: Installation

    Vtronix SPECIFICATIONS POWER SUPPLY 24 VAC system 18 – 30 VAC, 50/60 Hz TEMPERATURE : Temperature accuracy ± 1.8 °F 32 – 158 °F Storage temperature Ambient temperature 50 – 122 °F Setting temperature range 64 – 85 °F Deadband (Auto changeover model) ±...
  • Page 3 Mount and Wire the Thermostat Vtronix Using the mounting bracket base as a guide, mark two Color-coded 18-22 gauge wire is recommended for mounting holes on the wall. Drill two mounting holes. Place wiring. All wiring must follow local electrical code.
  • Page 4 Vtronix WIRING DIAGRAM Fig.8. For 24 VAC system.
  • Page 5: Operation

    Vtronix SET UP WARNING Failure to set up according to the application may damage the heating and cooling system. Set up mode Press and hold TEMP ∆ , TEMP ∇ and FAN buttons at the same time for 3 seconds, the display will show the existing set up as per Table 1.
  • Page 6 All the setup parameters are stored in non volatile memory. When there is a power failure and return to normal, the thermostat will resume operation with the previous setup parameters. VTRONIX, LLC 318 Indian Trace #327, Weston, FL 33326 Copyright © 2002 Vtronix Document no. 170063-022EQ (Rev.00)

This manual is also suitable for:

Tf85l - 11011T200T201