IDEAL VANGUARD L 170 Installation And Servicing page 21

21 PoSITIoN of THE THERmomETER/THERmoSTAT SENSoRS IN THE BuLB HoLDER
Vanguard L 1100 to 3500
Insert the sensors in the bulb holder in the upper part of the boiler,
in the following order:
1. Thermometer
2. Operating (H/L) thermostat
3. Safety thermostat
4. Minimum thermostat
Ensure that the sensors are inserted to the bottom of the bulb
holder and then secure them with the retaining clip (5).
In case some other thermostat is necessary, its sensors will be
put in the 2nd bulb holder together with the contact spring (6) to
improve the sensitivity.
LEGEND
1. Thermometer bulb
2. Operation thermostat bulb
3. Safety thermostat bulb
4. Minimum temp. thermostat bulb
5. Sensor retaining clip
6. Contact spring
Vanguard L -
Installation & Servicing
INSTALLATIoN
21