Safety Reduction Load Mask, S-Mext Unit - Mitsubishi Electric Evolution+ s-MEXT Technical Manual

2.4.3

Safety Reduction Load mask, s-MEXT unit

Visible from: main loop
Zone 1: fan status
Icon
Zone 2: status of the unit controlled by the PAC-IF interface
Icon
Zone 3: Protection status
Icon
NORMAL WORK
(LP) → ACTIVE
RESTORING
Version 38
ZONE ZONE
2
ZONE 4
Figure 2-8: Safety Reduction Load mask representation.
Normal fan operation.
Fan in Alert mode (Flashing):
•
With SRL (LP) active:
The speed of the fans increases with 2 alert steps
Normal operation.
Unit in Alert mode (Flashing):
•
With SRL (LP) active:
The request is stopped at its last value before entering alert
mode.
Unit in Protection mode (Flashing):
•
With SRL (LP) active:
The request sent to the unit decreases based on the set
parameters.
Protection enabled but not active.
SRL (LP) low pressure protection active.
The system is restoring the normal working conditions.
ZONE
3
1
Meaning
Meaning
Meaning
42