MEDI-PRODUCTS MH Freestanding Silent Sentry Emergency Backup Power Systems Instruction Manual

June 12, 2024
MEDI PRODUCTS

MEDI-PRODUCTS MH Freestanding Silent Sentry Emergency Backup Power

Systems

MEDI-PRODUCTS-MH-Freestanding-Silent-Sentry-Emergency-Backup-Power-
Systems-product

BEFORE YOU BEGIN

Read these instructions carefully before attempting to install this product.

  • IMPORTANT- Save these Instructions for local inspectors’ use.
  • IMPORTANT- Observe all governing codes and ordinances.
  • Note to Installer – Be sure to leave these instructions with the end user.
  • Skill Level – Installation of this appliance requires a licensed Electrical Contractor
  • Completion time 2-5 hours.
  • Proper installation is the responsibility of the installer.
  • Product failure due to improper installation is not covered under the warranty.
  • This product should not be altered in any way without the manufacturer’s consent.

FOR YOUR SAFETY:

  • • Be sure all hardwire electrical connections are done by a certified electrical contractor.
    • Be sure the power system is securely fastened to a solid structure.
    • Take special care when working with battery cables, connectors & terminals to make sure they are never short circuited.
    • Always wear protective eye, hand and footwear while assembling this system and installing it’s batteries.

Preparing for Installation

Additional Resources:

Spec Sheets, User Manuals & Installation Guides: www.mediproducts.net./resources/technical- data
Live Tech Support:
Phone Number: 1-800-765-3237
Hours: (M-F 8:30a – 5:00p EST)

Important Notes:

  • The Medi-Products® Silent Sentry® Free­ Standing Hardwired Series arrives fully­ assembled with the batteries pre­ installed.
  • So, Installation is as easy as having a certified electrical contractor wire the system to your facility’s direct circuit or to a sub-panel.
  • Please read instructions carefully as the size of the dedicated input circuit will vary based upon both the system wattage and input voltage respectively.
  • For the safety of the installer, staff and facility, we urge you to lock the casters of the Free-Standing Hardwired system before beginning installation.

AC Input & Output Wiring Configuration

MEDI-PRODUCTS-MH-Freestanding-
Silent-Sentry-Emergency-Backup-Power-Systems-fig-4 MEDI-PRODUCTS-MH-Freestanding-Silent-Sentry-
Emergency-Backup-Power-Systems-fig-5

AC lnput and OutputWiring

MEDI-PRODUCTS-MH-Freestanding-Silent-Sentry-
Emergency-Backup-Power-Systems-fig-2

Transformer Wiring Configuration (4000 and 4400 Watt Systems Only):
If the origin of the input power is 208 volts 3 phase, the system can only be powered byone of the following methods: one hot (120 volts) or using an isolation transformer inline when 2 hots (240 volts). This will avoid having a phase mismatch which will cause damage to the unit’s inverter. Medi-Products does not supply this transformer, we recommend contacting your local electrical supply house and reference the Hamond model number below.

Use the following diagrams to power the unit for applications where 3 phase power is the origin of the input power:

NOlE: DO NOT POWER UNIT WITH 208 VOLTS

240 VOLT INPUT FOR 3 PHASE APPLICATIONS:
120 VOLT INPUT APPLICATIONS:MEDI-PRODUCTS-MH-Freestanding-Silent-Sentry-
Emergency-Backup-Power-Systems-fig-3

Single-Phase 120V Wiring ConfigurationMEDI-PRODUCTS-MH-Freestanding-
Silent-Sentry-Emergency-Backup-Power-Systems-fig-6

Split-Phase 240V Wiring ConfigurationMEDI-PRODUCTS-MH-Freestanding-
Silent-Sentry-Emergency-Backup-Power-Systems-fig-7

Three-Phase 208V Wiring Configuration

MEDI-PRODUCTS-MH-Freestanding-
Silent-Sentry-Emergency-Backup-Power-Systems-fig-8

If your system is equipped with an auxillary battery cart, connect the battery jumper cables as follows:

  • BLACK CABLES to BLACK TERMINALS
  • RED CABLES to RED TERMINALS

You have now fully Installed the system; you will need to test it. Please refer to the User and Testing Guide and follow the Startup and testing procedures. Still Have Questions?
For More information Call Our Tech Support Hotline at:
1.800.765.3237
M-F 8:30a-5:00p EST
or visit www.mediproducts.net/resources/technical- data

Questions? Call 800-765-3237 or visit www.medi,eroducts.net

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