Installation Warnings; Connection Warnings - Delta Modulon DPH series User Manual

1.1

Installation Warnings

This is a three-phase four-wire on-line uninterruptible power supply (hereafter referred
to as 'UPS'). It can be used for commercial and industrial applications.
Install the UPS in a well-ventilated indoor area, away from excess moisture, heat, dust,
Leave adequate space around all sides of the UPS for proper ventilation and mainte-
nance. Please refer to 5.2 Installation Environment.
Only authorized Delta engineers or service personnel can perform installation and
maintenance. If you want to install the UPS by yourself, please install it under the su-
pervision of authorized Delta engineers or service personnel
Follow the IEC 60364-4-42 standard to install the UPS.
1.2

Connection Warnings

Before applying electrical power to the UPS, make sure the UPS is grounded to avoid a
possible risk of current leakage.
You can parallel at maximum eight UPS units.
The UPS must be connected with an external battery cabinet (user-supplied, handled
net Connection Warnings for relevant information.
The installation of protective devices is highly recommended when the UPS is connect-
ed to power sources and critical loads.
The protective devices connecting to the UPS must be installed near the UPS and eas-
ily accessible for operation.
Protective Devices:
1. For single input, please install (1) a protective device between the main AC source
and the UPS and (2) a protective device between the connected critical loads and
the UPS.
2. For dual input, please install (1) a protective device between the main AC source
and the UPS, (2) a protective device between the bypass source and the UPS, and (3)
a protective device between the connected critical loads and the UPS.
3. Each protective device could be a breaker or a fuse. For the protective device's
rating current, please refer to the table below.
Modulon DPH Series
100kVA 150kVA
200A 300A
200kVA
400A
1-2
5.6 External Battery Cabi-
250kVA 300kVA
500A 630A