Product Manual

ManualsBrandsGenerac ManualsGenerator AccessoriesRTS Automatic Generator Transfer Switch — 400 Amp, 120/208 Volts, 3 Phase, Type N

TECHNICAL

MANUAL

This manual should remain with the unit.

RTS Automatic Transfer Switch

A new standard of reliability

Summary of content (20 pages)

PAGE 1
RTS Automatic Transfer Switch TECHNICAL MANUAL A new standard of reliability This manual should remain with the unit.
PAGE 2
Important Safety Instructions Also read the instructions and information on tags, decals, and labels that may   equipment. be affixed to the transfer switch. Replace any decal or label that is no longer legible.
PAGE 3
Table of Contents • Because jewelry conducts electricity, wearing it may cause dangerous electrical shock. Remove all jewelry (such as rings, watches, bracelets, etc.) before working on this equipment. • If work must be done on this equipment while standing on metal or concrete, place insulative mats over a dry wood platform. Work on this equipment only while standing on such insulative mats. • Never work on this equipment while physically or mentally fatigued.
PAGE 4
Section 1 — General Information RTS “W” Type Transfer Switch 1.1 INTRODUCTION This manual has been prepared especially for the purpose of familiarizing personnel with the design, application, installation, operation and servicing 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.
PAGE 5
Section 2 — Installation RTS “W” Type Transfer Switch 2.1 INTRODUCTION TO INSTALLATION This equipment has been wired and tested at the factory. Installing the switch includes the following procedures: • Mounting the enclosure. • Connecting utility and generator power source leads. • Connecting the load leads. • Connecting any auxiliary contact (if needed) • Installing/connecting any options and accessories. • Testing functions. 2.2 2.4.1 2-POLE MECHANISM These switches (Figure 2.
PAGE 6
Section 2 — Installation RTS “W” Type Transfer Switch Solderless, screw-type terminal lugs are standard. 2.5 The conductor size range is as follows: Switch Rating Wire Range 400A (1) #4-600 MCM or (2) 1/0-250 MCM Conductor sizes must be adequate to handle the maximum current to which they will be subjected; based on the 75°C column of tables, charts, etc. used to size conductors. The installation must comply fully with all applicable codes, standards and regulations.
PAGE 7
Section 3 — Operation RTS “W” Type Transfer Switch 3.1 FUNCTIONAL TESTS AND ADJUSTMENTS Following transfer switch installation and interconnection, inspect the entire installation carefully. A competent, qualified electrician should inspect it. The installation should comply strictly with all applicable codes, standards, and regulations. When absolutely certain the installation is proper and correct, complete a functional test of the system.
PAGE 8
Section 3 — Operation RTS “W” Type Transfer Switch Figure 3.1 — Actuating Transfer Switch Measure across ATS terminal lugs N1 to NEUTRAL, N2 to NEUTRAL, and N3 to NEUTRAL. 3. Three-phase only. Locate the 3 phase power monitor relay. Verify the following: 208 Vac system - LED Green and ON The factory setting is 80% of nominal voltage (208 Vac systems = 166 Vac dropout) 4. If the LED indicator is Red or not ON, then it will be necessary to adjust the power monitor relay setting.
PAGE 9
Section 3 — Operation RTS “W” Type Transfer Switch DANGER WITH CAUTION. GENERATOR  PROCEED OUTPUT VOLTAGE IS NOW BEING DELIVERED TO TRANSFER SWITCH TERMINALS. CONTACT WITH LIVE TERMINALS RESULTS IN EXTREMELY DANGEROUS AND POSSIBLY FATAL ELECTRICAL SHOCK. 4. With an accurate AC voltmeter and frequency meter, check the no-load, voltage and frequency. Single-phase generator supply: Measure across ATS terminal lugs E1 to E2; E1 to NEUTRAL and E2 to NEUTRAL. a. b. c. d. Frequency .............................
PAGE 10
8 TRIPLE EKO SUITABLE FOR 1", 1.25" & 1.50" CONDUIT 3 PLACES 254mm[10.0"] 917mm[36.1"] 609.6mm[24.0"] 487mm[19.2"] MOUNTING HOLES: Ø6.35mm[Ø0.25"] 4-PLACES 60.8mm[2.4"] 794mm[31.3"] 61.3mm[2.4"] Section 4 — Installation Diagram RTS “W” Type Transfer Switch Installation Diagram – Drawing No.
PAGE 11
WIRE 178 CUSTOMER T CONNECTION E 8 7 (E3) NOTE: E3, N3 AND T3 WIRES ARE ONLY USED ON 3 PHASE SYSTEMS E2 3 PHASE E2 NEUTRAL BLOCK E1 POWER LEADS AND TRANSFER SWITCH LEADS MUST BE RUN IN TWO DIFFERENT CONDUITS.
PAGE 12
Section 5 — Electrical Data RTS “W” Type Transfer Switch Wiring Diagram/Schematic - 400 Amp, 120/240V, 2-pole Switch – Drawing No.
PAGE 13
Section 5 — Electrical Data RTS “W” Type Transfer Switch Wiring Diagram/Schematic - 400 Amp, 120/240V, 2-pole Switch – Drawing No.
PAGE 14
Section 5 — Electrical Data RTS “W” Type Transfer Switch Wiring Diagram/Schematic - 400 Amp, 120/280V, 3-pole Switch – Drawing No.
PAGE 15
Section 5 — Electrical Data RTS “W” Type Transfer Switch Wiring Diagram/Schematic - 400 Amp, 120/280V, 3-pole Switch – Drawing No.
PAGE 16
CS3-8X16S CS3-8X16S 0D7294-LS A7822-S 600MCM 32 A7822-T 600MCM 0F4034-F A7822-T 600MCM 600MCM A7822-S NEUTRAL 067989-T M8 WHIZ 067989-T M8 WHIZ A7822-T 600MCM A7822-T 600MCM 0D4545 0A8378-S 14 43 16 4 18 21 38 15 25 20 29 10 12 30 12 13 063321-S CS3-8X16T 063321-E 0C7907J-S 0C7907J-S 0D3587 48850-T D2806-T 30A, 600V 23 WIRE (12 VDC) 28 CUSTOMER CONNECTIONS NOTE WIRE ORIENTATION WARNING WIRE 194 (12 VDC) HANDLE P/N 063321 SUPPLIED W/SWITCH Replace with UL listed
PAGE 17
Section 6 — Exploded Views and Parts List RTS “W” Type Transfer Switch 400 A, 120/240V, 2-pole Switch Assembly – Drawing No. 0F6274$-C ITEM PART NO.
PAGE 18
CS3-8X16S CS3-8X16S 0D7294-LS A7822-S 600MCM 32 A7822-T 600MCM 0F4034-F A7822-T 600MCM 600MCM A7822-S NEUTRAL 067989-T M8 WHIZ 067989-T M8 WHIZ A7822-T 600MCM A7822-T 600MCM 0D4545 0A8378-S 14 43 16 4 18 4 21 46 15 25 20 29 12 30 36 38 10 37 12 13 063321-S CS3-8X16T 063321-E C7907F-S C7907F-S 0D3587 48850-T D2806-T 30A, 600V 23 WIRE (12 VDC) 28 CUSTOMER CONNECTIONS NOTE WIRE ORIENTATION WARNING WIRE 194 (12 VDC) HANDLE P/N 063321 SUPPLIED W/SWITCH Replace w
PAGE 19
Section 6 — Exploded Views and Parts List RTS “W” Type Transfer Switch 400 A, 120/208V, 3-pole Switch Assembly – Drawing No. 0F6276$-C ITEM PART NO.
PAGE 20
Section 7 — Warranty RTS “W” Type Transfer Switch 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.