Thermo Technologies SMT 400 User Manual

Page 12

(a)

TO ENABLE THE TANK 2 SENSOR

Use the

keys to move to the TT2 window. Then press the

key for 5

seconds to remove the X. The

keys may now be used to set TT2

(state 2 to state 3 divert temperature).

(b)

TO DISABLE THE TANK 2 SENSOR
If your system does not have a Tank 2 sensor, this input must be disabled to
ensure correct operation of the controller. This is done as follows :

Use the

keys to move to the TT2 window. Then press the

key until

the TT2 parameter reaches 90

C, continue to press the

key for 5 seconds

(until an X appears in this window). This sensor has now been disabled.

is the required temperature difference between the collector and return

temperature to activate the pump (recommended set value: 4).

is the required temperature difference between the collector and return

temperature to satisfy the ‘Smart’ condition, (Section 4, page 13).

TF is the anti-frost temperature (recommended set value with no anti-freeze:
+2°C).

This is the alarm mute selector, press

to enable piezo alarm or

disable it.

TM is the maximum system temperature alarm.
If the temperature of either Tank 1 or Tank 2 sensor exceeds TM, then all
Pump relays are switched OFF as a protection feature.

To set any parameter use the

keys to move to the appropriate window,

then use the

keys to adjust this parameter.