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®
POWER SYSTEMS, INC.
PowerMaster Technical Manual
This manual should remain with the unit.
DANGER
ONLY QUALIFIED ELECTRICIANS OR CONTRACTORS
SHOULD ATTEMPT INSTALLATION!
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The operator is responsible for proper and safe use INTRODUCTION of the equipment. The manufacturer strongly recom- Thank you for purchasing the PowerMaster Assembly mends that the operator read this Owner's Manual by Generac Power Systems, Inc. and thoroughly understand all instructions before Every effort was expended to make sure that the using this equipment. The manufacturer also strong- information and instructions in this manual were ly recommends instructing other users to properly
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Table of Contents PowerMaster Technical Manual Introduction ........................Inside Front Cover Section 3 – Operation ......................................7 Read This Manual Thoroughly ........................ IFC 3.1 Testing the PowerMaster Operation ................ 7 Operation and Maintenance ............................ IFC How to Obtain Service ..................................... IFC Section 4 – Electrical Data ..............................8 Authorized Dealer Locator Number .
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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 manufac- turer 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. � WARNING: GENERAL HAZARDS � The engine exhaust from this produ
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IMPORTANT SAFETY INSTRUCTIONS PowerMaster Technical Manual ELECTRICAL HAZARDS FIRE HAZARDS � All generators covered by this manual produce � For fire safety, the generator(s) must be installed dangerous electrical voltages and can cause fatal and maintained properly. Installation always must electrical shock. Utility power delivers extremely comply with applicable codes, standards, laws high and dangerous voltages to the transfer switch and regulations. Adhere strictly to local
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Section 1 — General Information PowerMaster Technical Manual 1.1 INTRODUCTION 1.4 ENCLOSURE DETAILS This manual has been prepared especially for the The enclosure is a National Electrical Manufacturer’s purpose of familiarizing personnel with the design, Association (NEMA) 1 type. NEMA 1 type enclosures application, installation, and operation of the appli- are suitable only for indoor mounting. cable equipment. Read the manual carefully and comply with all instructions. This will help to pre
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Section 2 — Installation PowerMaster Technical Manual 2.3 CONNECTING THE SOURCE 2.4 CONNECTING THE CONTROL VOLTAGE(S) AND LOAD(S) CIRCUITS The source voltage(s) are taken from the load center The PowerMaster Load center is controlled by a and connected to the PowerMaster assembly as fol- 24Vac control voltage. The most common application lows: is to use the 24Vac control signal from a furnace or central air conditioning system, but any 24Vac con- � Refer to the system diagram and the wirin
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Section 2 — Installation PowerMaster Technical Manual 2.5 INSTALLING THE AUXILIARY 2.6 CONNECTING THE AUXILIARY SWITCHES TO THE TRANSFER SWITCHES The auxiliary switches need to be connected to the SWITCH PowerMaster assembly using a minimum of 18AWG The included auxiliary switches need to be added to wire as follows: Refer to figure 2. the transfer switch to provide switch position sens- ing to the PowerMaster assembly. This allows the 2.6.1 GENERATOR SIDE AUXILIARY SWITCH PowerMaster as
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Section 3 — Operation PowerMaster Technical Manual Figure 3 — System Diagram 3.1 TESTING THE POWERMASTER OPERATION p The PowerMaster assembly can be functionally tested OWERMaster using the following steps: K1 Load Center Note: the following steps will reference a central air Customer conditioner being used as the high demand appliance Selected Load #1 controlling the PowerMaster assembly. 1. Ensure the Utility supply is available and the transfer switch is in the utility position. K2 � Ens
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Section 4 — Electrical Data Electrical Schematic - Drawing No. 0F8146-A 8 8
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Section 4 — Electrical Data Electrical Schematic - Drawing No. 0F8146-A 99
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Section 5 — Exloded Views & Parts Lists Assembly - Drawing No. 0F9110-A 10
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Section 5 — Exloded Views & Parts Lists Assembly - Drawing No. 0F9110-A ITEM PART NO. QTY. DESCRIPTION 1 0F9080 1 LOAD DISCONNECT ENCLOSURE 2 0F9081 1 LOAD DISCONNECT ENCLOSURE COVER 3 0C3211T 2 RELAY 40A @ 300VAC DPDT 4 0C3211U 2 RELAY DPDT 24VAC 5A 8 PIN 5* 0C3211G 2 SOCKET RELAY 8 PIN 6* 0F9072 1 BLOCK TERM 10MM 8 POS MOLEX 7 074908 4 SCREW HHTT M5-0.8 X 10BP 8 0C2265 4 SCREW PHTT M5-0.7 X 12 ZYC 9 0C2695 4 SCREW PHTT M4-0.7 X 20 ZYC 10 0C2323 3 SCREW PHTT #6-32 X 5/8 ZYC 11 0F9151
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Section 6 — Notes 12
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Section 6 — Notes 13
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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. will, at its option, repair or replace any part(s) which, upon examination, inspection, and testing by Generac Power
