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RTS Automatic Transfer Switch
400A, 120/240V, Single-phase
Model No.: KGATX0101400
TECHNICAL
MANUAL
A new standard of reliability
This manual should remain with the unit.
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Important Safety Instructions Read the following information carefully before attempting to install, operate or service this equipment. Also read the instructions and information on tags, decals, and labels that may be affixed to the transfer switch. Replace any decal or label that is no longer legible. DANGER! Connection of a generator to an electrical system normally supplied by an electric utility shall be by means of suitable transfer equipment so as to isolate the electric sys
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Table of Contents � Because jewelry conducts electricity, wearing it Safety Rules .........................................Inside Front Cover may cause dangerous electrical shock. Remove Section 1 — General Information ...................................2 all jewelry (such as rings, watches, bracelets, etc.) before working on this equipment. 1.1 Introduction.............................................................2 � If work must be done on this equipment while 1.2 Equipment Description .
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Section 1 — General Information RTS “W” Type Transfer Switch 1.1 INTRODUCTION 1.3 TRANSFER SWITCH DATA LABEL This manual has been prepared especially for the A DATA LABEL is permanently affixed to the transfer purpose of familiarizing personnel with the design, switch enclosure. Use this transfer switch only with application, installation, operation and servicing of the specific limits shown on the DATA LABEL and the applicable equipment. Read the manual carefully on other decals and labels
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Section 2 — Installation RTS “W” Type Transfer Switch 2.4.1 2-POLE MECHANISM 2.1 INTRODUCTION TO INSTALLATION This equipment has been wired and tested at the These switches (Figure 2.1) are used with a single factory. Installing the switch includes the following phase system, when the single phase NEUTRAL line procedures: is to be connected to a Neutral Lug and is not to be switched. � Mounting the enclosure. � Connecting utility and generator power source Figure 2.1 — Typical 2-Pole Tr
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Section 3 — Operation RTS “W” Type Transfer Switch NOTE: Auxiliary Contacts are rated 10 amps at 125 or 250 volts AC. DO NOT EXCEED THE RATED Use a torque wrench to tighten the conductors, VOLTAGE AND CURRENT OF THE CONTACTS. being sure not to overtighten, or damage to the switch base could occur. If undertightened, a loose connection would result, causing excess Figure 2.3 – Auxiliary Contacts heat which could damage the switch base. Connect power source load conductors to clearly ma
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Section 3 — Operation RTS “W” Type Transfer Switch � Window “A” OFF, Window “B” ON - LOAD termi- 3.2 MANUAL OPERATION nals (T1, T2, T3) are connected to emergency terminals (E1, E2, E3). DANGER Do NOT manually transfer under load. Disconnect transfer switch from all power sourc- Do not use excessive force when operating the es by approved means, such as a main circuit transfer switch manually or the manual handle breaker(s). could be damaged. A manual HANDLE is shipped with the tra
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Section 3 — Operation RTS “W” Type Transfer Switch 3.2.2 CLOSE TO EMERGENCY SOURCE SIDE 3.3.2 GENERATOR VOLTAGE CHECKS Before proceeding, verify the position of the switch 1. On the generator panel, set the AUTO/OFF/ by observing window “B” in Figure 3.1. If window MANUAL switch to MANUAL position. The gen- “B” reads “ON”, the contacts are closed in the erator should crank and start. EMERGENCY (STANDBY) position. No further action 2. Let the generator stabilize and warm up at no- is req
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Section 3 — Operation RTS “W” Type Transfer Switch 5. When checkout under load is complete, set main 3.4 GENERATOR TESTS UNDER LOAD circuit breaker of the generator to the OFF or 1. Set the generator's main circuit breaker to its OPEN position. OFF or OPEN position. 6. Let the generator run at no-load for several min- 2. Manually actuate the transfer switch main con- utes. Then, shut down by setting the AUTO/OFF/ tacts to their EMERGENCY (STANDBY) position. MANUAL switch to its OFF positio
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Section 4 — Installation Diagram RTS “W” Type Transfer Switch Installation Diagram – Drawing No. 0F6401 8 487mm[19.2"] 61.3mm[2.4"] MOUNTING HOLES: Ø6.35mm[Ø0.25"] 4-PLACES 917mm[36.1"] 794mm[31.3"] 60.8mm[2.4"] 609.6mm[24.0"] 254mm[10.0"] TRIPLE EKO SUITABLE FOR 1", 1.25" & 1.50" CONDUIT 3 PLACES
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Section 5 — Electrical Data RTS “W” Type Transfer Switch Interconnection Diagram - Drawing No. 0G1944 9
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Section 5 — Electrical Data RTS “W” Type Transfer Switch Wiring Diagram/Schematic – Drawing No. 0D3819-A TR F1 1 N1 126 N1A N1A 7 F2 N2 N2A N2A 126 N1A A1 B1 T1 T2 205 LS1 2 3 5 6 LS3 6 RED TR 9 N2A WHITE C 1 4 E1 LS2 GTS A2 B2 E1 E2 N2A 23 23 B LEGEND TR C - CONTACTOR ACTUATING COIL A GTS - TRANSFER SWITCH CONTACTOR 194 194 TR - RELAY, TRANSFER TS - TERMINAL STRIP (CUSTOMER CONNECTION) LS1,LS2,LS3 - LIMIT SWITCHES, ACTUATOR F1,F2 - FUSE 5A SENSING NOTES: ALL CONTACTS SHOWN WITH TRANSFER SWI
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Section 5 — Electrical Data RTS “W” Type Transfer Switch Wiring Diagram/Schematic – Drawing No. 0D3819-A N2A N2A N1A N1A N1 N2 GTS N1A E1 E2 N2A T1 T2 E2 N2A 205 N2A E1 126 N1A N1A 126 TR 205 A 7 1 B 9 3 N2A 194 N1A 23 205 E1 E1 23 194 N1A N2A N1A N1A N2A 23 194 F1 F2 N1 23 N2 194 TS 11 A1 A2 B1 B2 T1 UTILITY 1 T2 UTILITY 2 23 194
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Section 6 — Exploded Views and Parts List RTS “W” Type Transfer Switch 400 A Switch Assembly – Drawing No. 0G1510$ 12
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Section 6 — Exploded Views and Parts List RTS “W” Type Transfer Switch 400 A Switch Assembly – Drawing No. 0G1510$ ITEM PART NO. QTY. DESCRIPTION 1 0D7294 1 XFER SW-W 400A600V2P 2 0A7822 6 LUG, SLDLSS 600/250-1/0X1/4-28 3 026902 5 SCREW TAPTITE #8-32X1/4 BP 4 0C7907J 2 COVER LUG 2P 400AMP 5 024526 1 SCREW HHTT 5/16-18 X 3/4 CZ 6 057329 1 LUG, SOLDERLESS 350-#6X13/32 AL/CU 7 027482 1 WASHER SHAKEPROOF EXT 5/16 STEEL 8 022097 9 WASHER LOCK M6-1/4 9 0C8275 4 SCREW PPHM DSEMS M4-.7 X 10 ZN
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Section 8 — Warranty RTS “W” Type Transfer Switch CARRIER WARRANTY/SERVICE Carrier will warrant that from the date of purchase, our transfer switch will be free from defects in material and workmanship for the items and periods set forth in the warranty statement found in the owners manual of the Carrier generator that this transfer switch will be utilized with. Any equipment that the purchaser/owner claims to be defective must be examined by the nearest Carrier Dealer. THIS WARRANTY IS IN P
