30
Manual # 42-02-U001, Rev C1
Lockable AC/TAPS DISCONNECT switch in the OFF Position
• Power is removed from:
• Elevator control because contactor KMO drops out
• The internal power source (via this switch)
• Output of internal power source (via this switch)
• Power to TAPS-VF board via auxiliary contact on this switch, further ensuring the
KMO
and
KM5
contactors will not pick
UPS Bypass Switch
When the UPS Bypass switch is in the BYPASS position, while commercial power is available,
and the AC/TAPS Disconnect switch is on, the
KM5
contactor will be disabled and the KMO
contactor will pick, bypassing the UPS system in case of malfunction of the TAPS-VF board
and/or the UPS system.
Utility Power Normal; UPS on Battery Mode
1. Check that utility voltage is within operating range:
• 80 to 140 VAC for 120 VAC systems
• 160 to 280 VAC for 230 VAC systems
2. Check fuses FL1 and FL2; replace if necessary.
3. Check power connections L1, L2, L3.
4. Verify transformer T2 jumpers are installed.
Please refer to “Transformer Jumper
Schedule, 3 kVA TAPS Units” on page 13
UPS Fault LED lights; No Output
1. First:
• Turn off the breaker on the back of the UPS unit.
• Turn off UPS power (button on the front of the UPS unit).
• Turn both the breaker and the power button back on.
2. Check for a short circuit on outputs L1X and L2X going to the elevator control.
3. Reduce output load by reducing rescue speed.
4. Check voltage of UPS batteries after 8 hours of charging. If under 12.00 volts, replace.
5. Check UPS fan for proper operation.
6. If all above are normal, contact MCE Technical Support.
Содержание TAPS
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