PT100M Installation Guide
Version 1.0
Auber Instruments, 730 Culworth Manor, Alpharetta, GA 30022
e-mail:
Tel: 404-291-6298
www.auberins.com
(This guide was extracted and modified from the Installation Guide for the PID Retrofitting
Kit for Rancilio Silvia. Full instruction will be provided to the kit buyer)
Procedure
Installation in boiler compartment
Fig 1, top view of original wiring. Red arrows indicate where the controller power cable
will be tapped. Green arrow points to brew water control thermostat. Blue arrow points
to steam temperature control thermostat.
1)
There are two thermostats on top of the boiler. The one on the left with a red dot on top is
the brew water temperature control thermostat. The one on the right is for controlling the
steaming temperature. You need to remove the cable connectors on both side of brew
water temperature thermostat (connectors with red and gray cable). They need to be
connected to the output cable of SSR (after the RTD sensor installation). You also need
to remove this thermostat and move the steaming thermostat to its position. This is
because you need to mount the RTD sensor to the thermowell underneath the steam
temperature control thermostat. This thermowell is closer to the cold water inlet, and
results in better control. You need to use a small to medium sized flat head screw driver
to remove the screw. Be very careful to not let it drop into the gap below. A magnetized
