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Summary of Contents for Kohler MMS
- Page 1 Operation and Installation Automatic Transfer Switches Models: MMS/MNS MMT/MNT Electrical Controls: E33+ Solid-State TP-5662 2/00d...
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Page 2: Table Of Contents
Table of Contents Safety Precautions and Instructions ..3.3.4 Reconnecting the Charger After Replacing or Servicing the Battery ..Introduction ....... 3.3.5 Charging Lead-Acid Batteries . - Page 3 Table of Contents TP-5662 2/00...
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Page 4: Safety Precautions And Instructions
Safety Precautions and Instructions IMPORTANT SAFETY Accidental Starting Battery INSTRUCTIONS. Electromechanical equipment, including generator sets, WARNING WARNING transfer switches, switchgear, and accessories, can cause bodily harm and pose life-threatening danger when improperly installed, operated, or maintained. To prevent accidents be aware of potential dangers and act Accidental starting. - Page 5 Hazardous Voltage/ Connecting the battery and the WARNING battery charger. Hazardous voltage Electrical Shock can cause severe injury or death. Reconnect battery correctly, positive to positive and negative to WARNING negative, to avoid electrical shock and damage to the battery charger and Explosion.
- Page 6 Heavy Equipment WARNING WARNING WARNING Hazardous voltage. Hazardous voltage. Can cause severe injury or death. Can cause severe injury or death. Disconnect all power sources before Only authorized personnel should Unbalanced weight. servicing. Install the barrier after open the enclosure. Improper lifting can cause severe adjustments, maintenance,...
- Page 7 Notice NOTICE Hardware damage. The transfer switch both American Standard and metric hardware. Use the correct size tools to prevent rounding of the bolt heads and nuts. NOTICE When replacing hardware, do not substitute with inferior grade hardware. Screws and nuts are available in different hardness ratings.
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Page 8: Introduction
Information in this publication represents data available switch. The following table lists the available power at the time of print. Kohler Co. reserves the right to switching devices and the related operation and change this literature and the products represented installation manual part numbers. -
Page 9: Service Assistance
South East Asia D Consult the Yellow Pages under the heading Singapore Regional Office Generators— Electric Singapore, Republic of Singapore D Visit the Kohler Generator Division web site at Phone: (65) 264-6422 www.kohlergenerators.com Fax: (65) 264-6455 D Call 1-800-544-2444... -
Page 10: Section 1 Specifications
1.1 Standard Features TDOE or TDON time. Solid-state electrical controls for Kohlerr Model All printed circuit boards conformally coated for MMS/MNS and MMT/MNT transfer switches. environmental protection. Normal source single-phase voltage sensing fixed at 70% for dropout and 90% for pickup. - Page 11 Notes Section 1 Specifications TP-5662 2/00...
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Page 12: Section 2 Operation
Section 2 Operation Powerup Procedure WARNING 1. Place the generator set master switch in the OFF position to prevent starting the generator set. 2. Disconnect both the normal and emergency power sources by opening circuit breakers or switches Hazardous voltage. leading to the transfer switch. -
Page 13: Controls And Indicators
2.2 Controls and Indicators 2.3 Manual Operation Some of the switches and indicators located on the Manually operate the power switching device to prepare transfer switch enclosure door may be optional the transfer switch for automatic operation, to reset a accessories. -
Page 14: Normal Power Source Restoration
deenergizes. Also, the time delay engine start 2.4.2 Normal Power Source Restoration (TDES) relay, located on the main controller circuit The following sequence describes system response to board, begins its timing cycle. See Figure 5-2 and normal source restoration. See Figure 2-3. In this Figure 5-3. -
Page 15: Programmed Transition Switch
2.5 Programmed Transition Switch 2.5.2 Normal Power Source Restoration The sequence for programmed transition follows. See 2.5.1 Normal Power Source Failure Figure 2-5. The sequence for programmed transition follows. See 1. The normal power source is acceptable. Figure 2-4. Refer to Section 5.8.2 for the programmed transition relay timing adjustment procedure. -
Page 16: Section 3 Accessories
Determine factory-installed accessories by examining WARNING the transfer switch nameplate. This section describes optional accessories available on Kohlerr Model MMS/MNS and MMT/MNT transfer switches with E33+ solid-state electrical controls. All accessories are UL1008 listed. Hazardous voltage. Can cause severe injury or death. -
Page 17: Typical Mounting Locations
3.1 Typical Mounting Locations WARNING See Figure 3-1 for typical mounting locations for accessories. The mounting locations of accessories may vary when the transfer switch has multiple accessories. See Figure 2-1 for a closeup view of Hazardous voltage. controls and indicators on the front of the enclosure. Can cause severe injury or death. -
Page 18: 23-Plant Exerciser
3.2 DA-23 Plant Exerciser — Accessory DA-23-Z plant exerciser contains a 14-day programmable timer that periodically runs emergency source generator set. The exerciser timer is mounted below the main logic circuit board on the inner panel of the enclosure door. 6:00 Exercising the generator set under load once a week for a minimum of 30 minutes helps to maximize the... -
Page 19: Clock Resetting Procedure
3.2.1 Clock Resetting Procedure 3.2.3 Plant Exercise and Shutdown Timers Programming Procedure 1. Lift the bottom flap of the timer’s front cover to open. 1. Press and release the ARROW (®) button to advance to the desired exercise day. If the 2. -
Page 20: Time Resetting Procedure
3.2.4 Time Resetting Procedure 3.2.7 Manual Override Procedure 1. Perform Initial Setup (Time and Day) Procedure Use the following procedure to manually override the steps 1 to 5 (Section 3.2.2). exercise timer and start or stop the generator. 2. Press and release the ARROW (®) button eight 1. -
Page 21: 24-Battery Charger
3.3 DA-24 Battery Charger — Automatic, adjustable-float battery chargers are mounted below the main logic circuit board on the inner panel of the enclosure door. See Figure 3-3 for DC AMPERES component identification. Available chargers include: DA-24-xxA 12-volt Charger DA-24-xxB 24-volt Charger OUTPUT AC INPUT 120V 50/60HZ .68A... -
Page 22: Installation Connections
3.3.2 Installation Connections 3. Battery leads are not provided due to the variety of generator installations. Install, prepare, and Note: Battery charger damage. Verify that the battery connect leads as follows: charger output voltage matches the battery voltage rating. a. Install a red wire for the positive (+) lead and a black wire for the negative (--) lead from the Wire Type. -
Page 23: Disconnecting The Charger Before
3.3.3 Disconnecting the Charger Before 3.3.4 Reconnecting the Charger After Replacing or Servicing the Battery Replacing or Servicing the Battery 1. Prevent the emergency power source generator 1. Prevent the emergency power source generator set from starting. set from starting. a. -
Page 24: Charging Lead-Acid Batteries
3.3.5 Charging Lead-Acid Batteries 3.3.6 Charging Nickel-Cadmium Batteries Charge 6- or 12-cell (12- or 24-volt) lead-acid batteries according to the following procedure: Charging recommendations vary among manufacturers of nickel-cadmium batteries. Contact the manufacturer 1. Inspect the battery for defective cables, loose of the nickel-cadmium battery for charging and posts, and loose terminals. -
Page 25: 26-3-Phase Sensing
3.4 DA-26—3-Phase Sensing Accessory DA-26 is a circuit board assembly mounted inside the transfer switch which allows 3-phase sensing of the normal source. See Figure 3-6. A wiring harness connects the optional circuit board to the P3 connector on the main logic circuit board. See Figure 3-1. -
Page 26: Section 4 Scheduled Maintenance
Section 4 Scheduled Maintenance Read this entire section carefully before attempting any WARNING maintenance or service. Unless otherwise specified, have maintenance or service performed by an authorized service center that has trained and qualified personnel who follow all applicable codes and standards. -
Page 27: Inspection And Service
NOTICE WARNING Electrostatic discharge damage. Electrostatic discharge (ESD) damages electronic circuit boards. Prevent electrostatic discharge damage by wearing an approved grounding wrist strap when handling electronic circuit boards or integrated circuits. An approved grounding wrist strap Hazardous voltage. provides a high resistance (about 1 megohm), not a direct Can cause severe injury or death. -
Page 28: Other Inspections And Service
Internal Inspection. Disconnect all power sources, 4.1.2 Other Inspections and Service open the transfer switch’s enclosure door, and inspect Contact an authorized service center to perform internal components at the recommended intervals or scheduled maintenance, service, other when any condition noticed during an external maintenance that ensures the safe and reliable inspection may have affected internal components. -
Page 29: Service Schedule
4.3 Service Schedule Follow the service schedule in the power switching operation and installation manual does not have a device operation and installation manual for the service schedule, use the general schedule below. recommended service items and intervals. See List of Have all service performed by an authorized service Related Materials in the Introduction section. -
Page 30: Section 5 Installation
Section 5 Installation Kohlerr transfer switches are shipped factory wired and 5.1 Receipt of Unit tested and ready for installation. Ensure that only trained and qualified personnel install the equipment, 5.1.1 Inspection and verify that the installation complies with applicable codes and standards. -
Page 31: Storage
5.1.3 Storage 5.4 Electrical Wiring Store the transfer switch in its protective packing until The factory prewires all internal electrical connections. final installation. Protect the transfer switch at all times The only wiring necessary to install the transfer switch is from moisture, construction grit, and metal chips. -
Page 32: Ac Power Connections
Connecting the battery and the battery charger. WARNING Hazardous voltage can cause severe injury or death. Reconnect the battery correctly, positive to positive and negative to negative, to avoid electrical shock and damage to the battery charger and battery(ies). Have a qualified electrician install the battery(ies). -
Page 33: Controller Logic
5.4.2 Controller Logic The E33+ electrical control system (logic controller) is mounted on the inside of the enclosure door. See Figure 5-1. 1234 The power switching device and the logic controller each has its own wiring harness that terminates with an inline disconnect plug. -
Page 34: Generator Set Preparation
5.5 Generator Set Preparation Testing live electrical circuits. Hazardous voltage or current can cause severe injury or death. Have trained and qualified personnel take diagnostic measurements of live WARNING circuits. Use adequately rated test equipment with electrically insulated probes and follow the instructions of the test equipment manufacturer when performing voltage tests. -
Page 35: Automatic Operation Test
8. Manually transfer the load to the normal source. 5.6.2 Automatic Operation Test Refer to power switching device operation and An automatic operation test verifies the transfer switch’s installation manual for information on manual electrical control system operation. transfer of the load. Begin an automatic operation test with the system in its 9. -
Page 36: Controller Setup
5.7 Controller Setup Servicing the transfer switch controls and accessories within the enclosure. Hazardous voltage can cause severe injury or death. Disconnect the transfer switch The main circuit board of the controller contains controls at the inline connector to deenergize the circuit boards undervoltage, underfrequency, and time delay circuits. -
Page 37: Programmed Transition Setup
5.8 Programmed Transition Setup Time Delay Off Adjustment Procedure 1. Prevent the generator set, which provides the 5.8.1 Description emergency power source to the transfer switch, from starting by moving the generator set master Switches equipped with programmed transition have a switch to the OFF position, disconnecting power to power switching device with an OFF position and two the generator engine start battery charger, if... -
Page 38: Ensure Warranty Registration
5.9 Ensure Warranty Registration The transfer switch seller must complete a Startup Notification Form and submit it to the manufacturer within 60 days of the initial startup date. A Startup Notification Form is included with generator sets and covers all equipment in the standby system. Standby systems not registered within 60 days of the initial date are automatically registered using the manufacturer’s ship date as the startup date. - Page 39 Notes Section 5 Installation TP-5662 2/00...
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Page 40: Appendix A Abbreviations
Appendix A Abbreviations The following list contains abbreviations that may appear in this publication. A, amp ampere cubic feet per minute exh. exhaust ABDC after bottom dead center center of gravity ext. external alternating current cubic inch displacement Fahrenheit, female analog to digital centerline fglass. - Page 41 kiloampere mtg. mounting root mean square kilobyte (2 bytes) megawatt rnd. round kilogram milliwatt read only memory kg/cm kilograms per square microfarad rot. rotate, rotating centimeter N, norm. normal (power source) revolutions per minute kilogram-meter not available, not applicable right side kg/m kilograms per cubic meter nat.
- Page 43 Fax 920-459-1646 (U.S.A. Sales), Fax 920-459-1614 (International) For the nearest sales and service outlet in U.S.A. and Canada Phone 1-800-544-2444 Kohlerr Power Systems Asia Pacific Headquarters TP-5662 2/00d 7 Jurong Pier Road Singapore 619159 E Kohler Co., 1993, 2000. All rights reserved. Phone (65)264-6422, Fax (65)264-6455...
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