7. Pyrorack Commissioning & User Guide
7.6 Pyrorack Canister Replacement
IMPORTANT
Decommission Pyroack first
1.
Remove Mag fuse F3 from the rear of the Pyrorack (far left)
2.
Wait 5 seconds
3.
Remove the main fuse F4 (middle)
4.
Wait 5 seconds
5.
Remove the mains cable
6.
Remove the battery fuse F5. The unit shall be powered down at this stage.
7.
Unplug environmental management cable
8.
Remove the Pyrorack from the server cabinet.
9.
Place on table upside down.
10.
Unscrew the 4 screws in the middle of the Pyrorack.
11.
Pull discharged canister out and unscrew cable attachment.
12.
Replace with new canister.
13.
Follow commissioning steps.
MAG UNIT
FUSE F3
500mA TL
D-CONN
MALE J2
D-CONN
FEMALE J1
BATTERY
FUSE F4
500mA TL
MANS
FUSE
F5 500mA TL
7.7 Important tips.
Before working within the Zella Pro ALWAYS ensure you follow these steps:
1.
Turn key switch to manual
2.
Isolate both zones 1 and 2 by pressing the isolate zones buttons located on the
front panel
3.
A beeping sound will continue intermittently as a reminder
4.
Once you have completed work within the MDC and you are ready to close the
doors press the isolate buttons 1 and 2 once more
5.
Turn the key switch back to the automatic position
6.
The Pyrorack should return to normal status
7.
Please note, if you isolate power to the Pyrorack and the fuses are still inserted,
the Pyrorack will still be active as it has 24 hour internal battery backup.
