SCE Enviro-Therm -AC2550B460V User Manual page 10

SAGINAW CONTROL & ENGINEERING • A/C USER MANUAL
B
Display icons
Icon
1
Compressor relay active
2 Alarm relay active
3 Heater relay active
4
Ambient blower relay active
Alarm
Heating mode
Cooling mode in progress
Programming
The operating parameters can be modified using the front keypad. Access differs
depending on the type of parameter. Access to configuration parameters is protected
by a password that prevents unwanted modifications or access by unauthorised persons.
Setting cooling set point, St1:
1. Press "SET" and display should show St1 and then the pre-set value of St1. (default: +35°C / +95°F)
2. Reach the desired value by using ▲ or ▼.
3. Press "SET" again to save the new value of St1.
Setting heating set point, St2 (only for units supplied with internal heater):
1. Press "SET" twice slowly and display should show St2 and then the pre-set value of St2. (default:
+5°C / +41°F)
2. Reach the desired value by using ▲ or ▼.
3. Press "SET" again to save the new value of St2.
Function Description
Flashes when activation is delayed or inhibited
by protection times, external disabling, or other
procedures in progress
Flashes when alarms are active
Signals operation of unit in heating mode
Activated only by manual procedure
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