1-2
Modulon DPH Series
1.1 Installation Warnings
y 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.
y Install the UPS in a well-ventilated indoor area, away from excess moisture, heat, dust,
flammable gas or explosives.
y Leave adequate space around all sides of the UPS for proper ventilation and maintenance.
Please refer to 5.2 Installation Environment.
y 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
supervision of authorized Delta engineers or service personnel
y Follow the IEC 60364-4-42 standard to install the UPS.
1.2 Connection Warnings
y Before applying electrical power to the UPS, make sure the UPS is grounded to avoid a
possible risk of current leakage.
y You can parallel at maximum eight UPS units.
y The UPS must be connected with an external battery cabinet (user-supplied, handled and
configured by Delta service personnel). Please refer to 5.6 External Battery Cabinet
Connection Warnings for relevant information.
y The UPS must be connected with a Delta or non-Delta external maintenance bypass
cabinet. The Delta external maintenance bypass cabinet is optional, and the non-Delta
external maintenance bypass cabinet is user-supplied and should be handled and
configured by Delta service personnel. For the Delta or non-Delta external maintenance
bypass cabinet’s information, please refer to the table below.
Delta External
Maintenance
Bypass
Cabinet
(Optional)
There are two models for selection. Please refer to the table below.
Delta External Maintenance Bypass Cabinet (Optional)
Model 3915101965-S 3915101964-S
Switch Q’ty
3 Switches
(Input Switch/ Manual
Bypass Switch/ Output
Switch)
4 Switches
(Input Switch/ Bypass
Switch/ Manual Bypass
Switch/ Output Switch)
Wiring Type Top & Bottom Wiring Top & Bottom Wiring
NOTE:)RU PRUH LQIRUPDWLRQ DERXW WKH 'HOWD H[WHUQDO
maintenance bypass cabinet (optional), please refer to its
user manual.
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