Pre Start-Up & Pre Turn-Off Warnings For Single Unit; And Parallel Units - Delta Modulon DPH series User Manual

6.1 Pre Start-up & Pre Turn-off Warnings for Single Unit

and Parallel Units

Single Unit
Pre Start-up Warnings for Single Unit
1. Make sure that all of switches and breakers, including every external battery cabinet's
breaker, are turned to the OFF position.
2. Make sure that the UPS and Delta or non-Delta External Maintenance Bypass
Cabinet's voltage difference between the Neutral (N) and Ground (
3. Check if the wiring is correct. Ensure that the AC power's voltage, frequency, phase
and battery type meet the UPS's requirements.
4. Check if all power modules are properly installed and every power module's switch
is in the upper position (
information.
Modulon DPH Series
1. The information on the LCD screen presented in this chapter, including the UPS
operation mode, machine number, date, time, total number of alarms, load%,
battery remaining time, user login or administrator login, are for reference only.
The actual screen displayed will depend on the actual operation situation.
2. The meaning of Q0, Q1, Q2, Q3, Q4 and Q5 in this user manual is described in
the table below.
Code
Q0 UPS bypass switch.
Q1 The input breaker or switch of the Delta or non-Delta external
maintenance bypass cabinet.
Q2 The bypass breaker or switch of the Delta or non-Delta external
maintenance bypass cabinet.
Q3 The manual bypass breaker or switch of the Delta or non-Delta
external maintenance bypass cabinet.
Q4 The output breaker or switch of the Delta or non-Delta external
maintenance bypass cabinet.
Q5 External battery cabinet's breaker.
3. Before operation, please make sure that 5. Installation and Wiring has been
completed in compliance with relevant instructions.
4. Before operation, please refer to 2.8 Tri-color LED Indicator & Buzzers and
7. LCD Display & Settings.
Meaning
). Please refer to 5.8 Power Module (Optional) for more
6-2
) is < 3V.