Delta Amplon RT Series, MBB-RT-1.5K, MBB-RT-2K, MBB-RT-3K User Manual
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Delta UPS - Amplon Family
RT Series, Single Phase
1/ 1.5/ 2/ 3 kVA
Maintenance Bypass Box
User Manual
www.deltapowersolutions.com
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This manual contains important instructions and warnings that you should
follow during the installation, operation, storage and maintenance of this
product. Failure to heed these instructions and warnings will void the warranty.
Copyright © 2019 by Delta Electronics Inc. All Rights Reserved. All rights of this
User Manual (“Manual”), including but not limited to the contents, information,
and figures are solely owned and reserved by Delta Electronics Inc. (“Delta”).
The Manual can only be applied to the operation or the use of this product. Any
disposition, duplication, dissemination, reproduction, modification, translation,
extraction, or usage of this Manual in whole or in part is prohibited without the prior
written permission of Delta. Given that Delta will continuously improve and develop
the product, changes may be made to the information in this Manual at any time
without obligation to notify any person of such revision or changes. Delta will make
all possible efforts to secure the accuracy and the integrity of this Manual. Delta
disclaims any kinds or forms of warranty, guarantee, or undertaking, either expressly
or implicitly, including but not limited to the completeness, faultlessness, accuracy,
non-infringement, merchantability or tness for a particular purpose of the Manual.
Amplon RT Series
II
Table of Contents
Table of Contents
Chapter 1 : Product Introduction --------------------------------------- 1
Chapter 2 : Important Safety Instructions --------------------------- 2
Chapter 3 : Package List -------------------------------------------------- 4
Chapter 4 : Standard Compliance -------------------------------------- 7
Chapter 5 : Rear View ------------------------------------------------------ 8
Chapter 6 : How to Install the Maintenance Bypass
Box on the UPS ---------------------------------------------10
Chapter 7 : How to Install the Maintenance Bypass
Box on the External Battery Pack --------------------13
Chapter 8 : How to Install the Maintenance
Bypass Box on the Rack ---------------------------------17
Chapter 9 : How to Install the Maintenance Bypass
Box into the Tower Stands ------------------------------23
Chapter 10 : Wiring ---------------------------------------------------------25
Chapter 11 : Start-up Operation ----------------------------------------27
Chapter 12 : Maintenance ------------------------------------------------28
Chapter 13 : Technical Specications -------------------------------30
Appendix 1 : Warranty ----------------------------------------------------33
III
Chapter 1 Product Introduction
Chapter 1 : Product Introduction
The Maintenance Bypass Box (MBB) is designed to operate in conjunction with the
Delta RT series 1 ~ 3kVA UPS. It ensures that the connected critical loads continue
to be powered by the input power during UPS maintenance or during the unlikely
event of a UPS failure.
1
Chapter 2 : Important Safety Instructions
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Only qualied service personnel can perform installation and maintenance of the
Maintenance Bypass Box.
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The Maintenance Bypass Box must operate in conjunction with Delta RT series
1 ~ 3kVA UPS. Please refer to the following table.
Maintenance
Bypass Box
Model
Applicable to
Delta RT series
UPS Model
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Before installation of the Maintenance Bypass Box, please completely turn o
MBB-RT-1.5K
PDB1115A1300B8
RT-1K
RT-1.5K
MBB-RT-2K
PDB1116A1300B8
RT-2K RT-3K
MBB-RT-3K
PDB1117A1300B8
the UPS and cut o the input power and battery power (if applicable).
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To reduce the risk of re, only connect the Maintenance Bypass Box to a circuit
with branch circuit overcurrent protection in accordance with the National Electrical Code, ANSI/ NFPA 70 and the Canadian Electrical Code, Part 1, C22.1. The
suggested branch circuit breaker’s current capacity is listed in the table below.
Model
Maximum Current of
Branch Circuit Breaker
MBB-RT-1.5K (PDB1115A1300B8) 20A
MBB-RT-2K (PDB1116A1300B8) 20A
MBB-RT-3K (PDB1117A1300B8) 30A
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Failure to properly install the Maintenance Bypass Box may result in severe
damage to your UPS or load equipment.
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Please install the Maintenance Bypass Box in an indoor temperature controlled
environment that is free of conductive contaminants.
Amplon RT Series
2
Chapter 2 Important Safety Instructions
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Do not operate the unit in an extremely dusty/ unclean area or a location near
heating devices, water and excessive humidity. Do not expose the unit to direct
sunlight.
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Select a location where provides good air circulation for the unit at all times.
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Properly route power cords so they cannot be walked on or damaged.
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The Maintenance Bypass Box must be well grounded due to a possible risk of
current leakage.
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The Maintenance Bypass Box is not intended for use in direct patient care or
life support applications.
3
Chapter 3 : Package List
For PDB1115A1300B8
No. ITEM Q’ty Drawing
1
MBB EAR (For Rack) 2 PCS
2
MBB EAR (For Tower) 1 PC
3
MBB EAR (For Tower) 1 PC
4
UPS Output Cover 1 PC
5
M4 Screw (Flat Head) 4 PCS
6
M4 Screw (Pan Head) 2 PCS
Amplon RT Series
4
Chapter 3 Package List
No. ITEM Q’ty Drawing
7
M5 Screw 4 PCS
8
#6-32 Screw 3 PCS
9
M5 Cage Nut 4 PCS
10
RS-232 Cable 1 PC
For PDB1116A1300B8 & PDB1117A1300B8
No. ITEM Q’ty Drawing
1
MBB EAR (For Rack) 2 PCS
2
MBB EAR (For Tower) 1 PC
5
No. ITEM Q’ty Drawing
3
UPS Output Cover 1 PC
4
M4 Screw 4 PCS
5
M5 Screw 4 PCS
6
#6-32 Screw 4 PCS
7
M5 Cage Nut 4 PCS
8
RS-232 Cable 1 PC
NOTE :
1. If there is any damage or anything missing, please immediately contact
the dealer from whom you purchased the unit.
2. If the Maintenance Bypass Box needs to be returned, carefully repack
the Maintenance Bypass Box and all of the accessories using the original
packing material that came with the unit.
Amplon RT Series
6
Chapter 4 : Standard Compliance
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UL/ CE
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IEC/ EN 62040-1
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IEC/ EN 62040-2 CATEGORY C2
Chapter 4 Standard Compliance
7
Chapter 5 : Rear View
NOTE :
There are no operational components or interfaces on the front of the MBB.
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PDB1115A1300B8
7 8
UPS INPUT
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PDB1116A1300B8
16A MAX. EACH BANK
（
12A MAX. EACH BANK & TOTAL OUTPUT
OUTPUT SOCKET
OUTPUT SOCKET（16A MAX. TOTAL OUTPUT
RS-232UPS RS-232
NORMAL
WARNING:
OPENING THIS COVER
PLATE WILL CAUSE
INVERTER SHUTDOWN.
ONLY AUTHORIZED
SERVICE PERSONNEL
CAN OPEN AND
OPERATE IT.
）
MANUAL BYPASS SWITCH
BY
PASS
AC INPUTUPS OUTPUT
2 15 46
16A MAX.
UPS RS-232 RS-232
NORMAL
WARNING:
OPENING THIS COVER
PLATE WILL CAUSE
INVERTER SHUTDOWN.
ONLY AUTHORIZED
SERVICE PERSONNEL
CAN OPEN AND
OPERATE IT.
）
MANUAL BYPASS SWITCH
BY
PASS
UPS INPUT
3
37 8
AC INPUT
UPS OUTPUT
1
2
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PDB1117A1300B8
20A MAX. EACH BANK
Amplon RT Series
OUTPUT SOCKET
24A MAX. TOTAL OUTPUT
（
5 46
7 8
24A MAX.
BREAKER
）
WARNING:
OPENING THIS COVER
PLATE WILL CAUSE
INVERTER SHUTDOWN.
ONLY AUTHORIZED
SERVICE PERSONNEL
CAN OPEN AND
OPERATE IT.
NORMAL
MANUAL BYPASS SWITCH
PASS
RS-232UPS RS-232
BY
AC INPUT
1
2
UPS OUTPUTUPS INPUT
5 46 39
8
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