FBGA - 9537 - Thermostat VAILLANT - Free user manual and instructions

Product Type	Room Thermostat
Brand	Vaillant
Model	FBGA 9537 (Calormatic FBGa)
Dimensions (approx.)	80 x 120 x 30 mm
Weight (approx.)	200 g
Power Supply	2 x AA alkaline batteries (1.5 V each) or 24 V AC/DC via bus
Display Type	LCD screen with backlight
Temperature Setting Range	5 °C to 35 °C
Control Functions	Room temperature control, weekly programmable schedule, frost protection
Mounting	Wall-mounted using included mounting plate
Communication	Wireless (proprietary) or wired eBus
Compatibility	Vaillant boilers and heat pumps with eBus interface
Software Version	Firmware updateable via service
Holiday Mode	Yes, with adjustable duration
Lock Function	Key lock to prevent accidental changes
Maintenance	Clean with dry cloth; replace batteries annually
Safety Features	Overheat protection, frost protection, child lock
Spare Parts Availability	Batteries, mounting plate (order via Vaillant service)
Repairability	Replaceable batteries and display module; professional service required for internal faults
Certifications	CE, RoHS

Frequently Asked Questions - FBGA - 9537 VAILLANT

How do I install the Vaillant FBGA 9537 thermostat?

Installation involves mounting the base plate on the wall, connecting the wires (if wired), and snapping the thermostat onto the plate. For wireless models, simply insert batteries and pair with the boiler. Always refer to the manual for specific wiring diagrams.

How do I change the batteries in my FBGA 9537?

Gently remove the thermostat from its base plate by pulling it forward. On the back, open the battery compartment and replace with two new AA alkaline batteries, observing polarity. Reattach the thermostat. The display should show a battery symbol when low.

What does the frost protection mode do?

Frost protection keeps the room temperature above a preset lower limit (usually 5 °C) to prevent pipes from freezing. The thermostat will activate the heating if the temperature drops too low, even if the heating schedule is off.

How can I set a weekly heating schedule?

Press the menu button, navigate to 'Program' or 'Schedule'. You can set up to 4 time periods per day with desired temperatures. Confirm each setting with 'OK'. The thermostat will follow the program automatically.

Is the FBGA 9537 compatible with my Vaillant boiler?

The FBGA 9537 is designed to work with Vaillant boilers that support eBus communication. Check your boiler's manual or Vaillant's compatibility list. For older boilers, a wired version or adapter may be required.

How do I reset the thermostat to factory settings?

Go to the settings menu and select 'Factory Reset' or press and hold the reset button (if available) for 10 seconds. Confirm the reset. This will erase all custom schedules and settings.

Why is the display not showing anything?

Check if the batteries are inserted correctly and have charge. If using a wired version, verify power supply. Try a reset by removing batteries for 30 seconds. If the issue persists, the display may be defective.

Can I use the thermostat with a heat pump?

Yes, the FBGA 9537 supports heat pumps via eBus. You may need to configure the heat pump profile in the installer menu. Consult a professional for proper setup.

How do I clean the thermostat?

Use a soft, dry cloth to wipe the exterior. Do not use water, solvents, or abrasive cleaners. Avoid spraying liquids directly onto the thermostat.

Where can I find spare parts like the mounting plate?

Spare parts can be ordered from Vaillant authorized dealers or service centers. The mounting plate has part number 9537-MP. Batteries are standard AA. Contact Vaillant support for other parts.

USER MANUAL FBGA - 9537 VAILLANT

Fernbedienungsgerät

calormatic FBGa

Art.-Nr. 9537

3 Haltenocken

4 Montageplatte

Abb. 8.2 Montage

(1) 2018年

9 Elektro-Anschluß

9.1 Vorschriften