® POWER SYSTEMS, INC. PowerMaster Technical Manual This manual should remain with the unit.
INTRODUCTION Thank you for purchasing the PowerMaster Assembly by Generac Power Systems, Inc. Every effort was expended to make sure that the information and instructions in this manual were both accurate and current at the time the manual was written. However, the manufacturer reserves the right to change, alter or otherwise improve this product(s) at any time without prior notice.
Table of Contents PowerMaster Technical Manual Introduction ........................Inside Front Cover Read This Manual Thoroughly ........................ IFC Operation and Maintenance ............................ IFC How to Obtain Service..................................... IFC Authorized Dealer Locator Number ................... IFC Section 3 – Operation ......................................7 3.1 Testing the PowerMaster Operation ................ 7 Section 4 – Electrical Data ......................
IMPORTANT SAFETY INSTRUCTIONS PowerMaster Technical Manual SAVE THESE INSTRUCTIONS – This manual contains important instructions that should be followed during installation and maintenance of the generator and batteries. The manufacturer suggests that these rules for safe operation be copied and posted in potential hazard areas. Safety should be stressed to all operators and potential operators of this equipment.
IMPORTANT SAFETY INSTRUCTIONS PowerMaster Technical Manual ELECTRICAL HAZARDS FIRE HAZARDS • All generators covered by this manual produce dangerous electrical voltages and can cause fatal electrical shock. Utility power delivers extremely high and dangerous voltages to the transfer switch as does the standby generator when it is in operation. Avoid contact with bare wires, terminals, connections, etc., while the unit is running.
Section 1 — General Information PowerMaster Technical Manual 1.1 INTRODUCTION 1.4 ENCLOSURE DETAILS This manual has been prepared especially for the purpose of familiarizing personnel with the design, application, installation, and operation of the applicable equipment. Read the manual carefully and comply with all instructions. This will help to prevent accidents or damage to equipment that might otherwise be caused by carelessness, incorrect application, or improper procedures.
Section 2 — Installation PowerMaster Technical Manual 2.3 CONNECTING THE SOURCE VOLTAGE(S) AND LOAD(S) The source voltage(s) are taken from the load center and connected to the PowerMaster assembly as follows: • Refer to the system diagram and the wiring diagram located in this manual. • Refer to the field wiring decal on the inside of the enclosure cover for the contactor connection points and required tightening torque. DANGER 2.
Section 2 — Installation PowerMaster Technical Manual 2.5 INSTALLING THE AUXILIARY SWITCHES TO THE TRANSFER SWITCH The included auxiliary switches need to be added to the transfer switch to provide switch position sensing to the PowerMaster assembly. This allows the PowerMaster assembly to disconnect the selected loads only when the transfer switch is in the generator position. These switches should be installed as follows: Refer to figure 2.
Section 3 — Operation PowerMaster Technical Manual 3.1 TESTING THE POWERMASTER OPERATION The PowerMaster assembly can be functionally tested using the following steps: Note: the following steps will reference a central air conditioner being used as the high demand appliance controlling the PowerMaster assembly. 1. Ensure the Utility supply is available and the transfer switch is in the utility position. • Ensure the Central air conditioner is not running.
Section 4 — Electrical Data Electrical Schematic - Drawing No.
Section 4 — Electrical Data Electrical Schematic - Drawing No.
Section 5 — Exloded Views & Parts Lists Assembly - Drawing No.
Section 5 — Exloded Views & Parts Lists Assembly - Drawing No. 0F9110-A ITEM 1 2 3 4 5* 6* 7 8 9 10 11 12 13 PART NO. 0F9080 0F9081 0C3211T 0C3211U 0C3211G 0F9072 074908 0C2265 0C2695 0C2323 0F9151 0F9152 0F9148 QTY. 1 1 2 2 2 1 4 4 4 3 1 1 1 DESCRIPTION LOAD DISCONNECT ENCLOSURE LOAD DISCONNECT ENCLOSURE COVER RELAY 40A @ 300VAC DPDT RELAY DPDT 24VAC 5A 8 PIN SOCKET RELAY 8 PIN BLOCK TERM 10MM 8 POS MOLEX SCREW HHTT M5-0.8 X 10BP SCREW PHTT M5-0.7 X 12 ZYC SCREW PHTT M4-0.
Section 6 — Notes 12
Section 6 — Notes 13
Section 7 — Warranty PowerMaster Technical Manual GENERAC POWER SYSTEMS STANDARD TWO-YEAR LIMITED WARRANTY FOR GENERAC TRANSFER SWITCH SYSTEMS NOTE: ALL UNITS MUST HAVE A START-UP INSPECTION PERFORMED BY AN AUTHORIZED GENERAC DEALER. For a period of two (2) years or two thousand (2,000) hours of operation from the date of sale, which ever occurs first, Generac Power Systems, Inc.
