Catalogue

RLC-PRC042D-EN 37
Electrical Connections
Figure 12. Dual circuit units — field wiring sheet 2 (continued)
R
23111961
2
B
THIS DRAWING IS PROPRIETARY
AND SHALL NOT BE COPIED
OR ITS CONTENTS DISCLOSED
TO OUTSIDE PARTIES WITHOUT
THE WRITTEN CONSENT OF TRANE
CAD: CREO SCHEMATICS
DRAWN BY: N. SCHAMS
C:ETADENART4102-RPA-11
MASTER FILE:
REVISION DATE:
REPLACES:
SIMILAR TO:
USED BY:
SHEET
REV
FIELD WIRING DIAGRAM
RTAE
8765
4
6
8
9
10
11
GENERAL NOTES
1. CAUTION-DO NOT ENERGIZE THE UNIT UNTIL CHECK OUT AND STARTUP PROCEDURES HAVE BE EN COMPLETED.
2. ALL MOTORS ARE PROTECTED FROM PRIMARY SINGLE PHASE FAILURES.
3. CAUTION-TRANE PUMP CONTROL MUST BE USED TO PROVIDE PUMP CONTROL. EVAPORATOR CHILLED WATER PUMP MUST
BE CONTROLLED BY THE CHILLER OUTPUT. FAILURE TO COMPLY WITH THIS REQUIREMENT MAY RESULT IN DAMAGE OT THE UNIT.
SINGLE SOURCE POWER IS PROVIDED AS STANDARD ON THESE PRODUCTS, FIELD CONNECTIONS ARE MADE TO 1F1 OR 2F36.
WIRING REQUIREMENTS
5. RECOMMENDED FIELD WIRING CONNECTIONS ARE SHOWN BY DOTTED LINES
POWER FOR THE EVAPORATOR HEATER AND/OR OPTIONAL CONVENIENCE OUTLET IS SUPPLIED BY A COMMON CUSTOMER PROVIDED POWER SUPPLY,
MAX FUSE SIZE IS 15 AMPS. WHEN POWERED, THE HEATERS WILL USE 800VA ON 150-165 TON UNITS WITH 2 PASS EVAPORATORS AND 1200VA ON ALL
OTHER UNITS OF THE TOTAL AVAILABLE POWER SUPPLY.
7. DO NOT RUN LOW VOLTAGE CONTROL WIRING (30 VOLTS OR LESS) IN CONDUIT WITH 110 VOLT OR HIGHER WIRING. DO NOT EXCEED THE FOLLOWING
MAXIMUN RUN LENGTHS FOR A GIVEN S IZE: 14 AWG, 5000 FT; 16 AWG, 2000 FT; 18 AWG, 1000FT.
SHIELDED TWISTED PAIR LEADS ARE REQUIRED FOR CONNECTIONS TO THE COMMUNICATIONS INTERFACE MODULE (1K6 AND 1K1). THE SHIELD SHOULD BE
GROUNDED AT THE RTAE CONTROL PANEL END.
CUSTOMER SUPPLIED POWER 115/60/1PH OR 220/50/1PH TO POWER RELAYS. MAX. FUSE SIZE IS 20 AMPS. GROUND ALL CUSTOMER SUPPLIED P OWER
SUPPLIES AS REQUIRED BY APPLICABLE CODES. GREEN GROUND SCREWS ARE PROVIDED IN UNIT CONTROL PANEL.
WIRED TO NEXT UNIT. 22 AWG SHIEL DED COMMUNICATION WIRE EQUIVA L ENT TO HELIX LF22P0014216 RECOMMENDED. THE SUM TOTAL OF ALL
INTERCONNECTED CABLE SEGMENTS NOT TO EXCEED 4500 FEET. CONNECTION TOPOLOGY SHOULD BE DAISY CHAIN. REFER TO BUILDING AUTOMATION
SYSTEM (BAS) COMMUNICATION INSTALLATION LITERATURE FOR END OF LINE TERMINATION RESISTOR REQUIREMENTS.
ALL UNIT POWER WIRING MUST BE 600 VOLT COPPER CONDUCTORS ONLY AND HAVE A MINIMUM TEMPERATURE INSULATION RATING OF 90 DEGREE C.
REFER TO UNIT NAMEPLATE FOR MINIMUM CIRCUIT AMPACITY AND MAXIMUM OVERCURRENT PROTECTION DEVICE. PROVIDE AN EQUIPMENT GROUND IN
ACCORDANCE WITH APPLICABLE ELECTRIC CODES. REFER TO WIRERANGE TABLE FOR LUG SIZES.
ALL FIELD WIRING MUST BE IN ACCORDANCE WITH NATIONAL ELECTRIC CODE AND LOCAL REQUIREMENTS.
CONTACT RATINGS AND REQUIREMENTS
WIRED TO CUSTOMER CHILLED WATER SET POINT 2-10 VDC OR 4-20 mA.
WIRED TO CUSTOMER CURRENT LIMIT SET POINT 2-10 VDC OR 4-20 mA.
WIRED TO CUSTOMER COMPRESSOR % RLA OUTPUT 2-10 VDC OR 4-20 mA.
ALL CUSTOMER CONTROL CIRCUIT WIRING MUST BE COPPER CONDUCTORS ONLY AND HAVE A MINIMUM INSULATION RATING OF 300 VOLTS. EXCEP T
AS NOTED, ALL CUSTOMER WIRING CONNECTIONS ARE MADE TO CIRCUIT BOARD MOUNTED BOX LUGS WITH A WIRE RANGE OF 14 TO 18 AWG OR DIN RAIL
MOUNTED SPRING FORCE TERMINALS.
UNIT PROVIDED DRY CONTACTS FOR THE CONDENSER/CHILLED WATER PUMP CONTROL. RELAYS ARE RATED FOR 7.2 AMPS RESISTIVE, 2.88 AMPS PILOT
DUTY, OR 1/3 HP, 7.2 FLA AT 120 VOLTS 60 HZ, CONTACTS ARE RATED FOR 5 AMPS GENERAL PURPOSE DUTY 240 VOLTS.
CUSTOMER SUPPLIED CONTACTS FOR ALL LOW VOLTAGE CONNECTIONS MUST BE COMPATABLE WITH DRY CIRCUIT 24 VOLTS DC FOR A 12 mA RESISTIVE
LOAD. SILVER OR GOLD PLATED CONTACTS RECOMMENDED.
THE CONTACTS FOR AUTO STOP AND EMERGENCY STOP SWITCHES ARE JUMPERED AT THE FACTORY BY JUMPERS 1W1 & 1W 2 TO ENABLE UNIT OPERATION. IF
REMOTE CONTROL IS DESIRED, REMOVED THE JUMPERS AND CONNECT TO THE DESIRED CONTROL CIRCUIT.
20. SOLID OVALS REPRESENT MAX NUMBER OF CONDUITS AND/OR CABLE GLANDS USED.
CONNECTIONS ARE INTENDED FOR CLASS 2 ONLY.
CIRCUIT 3 REQUIRES 15A PROTECTION AT 120V, 8A AT 220V.
CIRCUIT 4 REQUIRES 20A PROTECTION.
USED WHEN SUP PLIED VOLTAGE IS 380V-460V.
USED WHEN SUP PLIED VOLTAGE IS 200V-230V OR 575V.
12
13
14
15
16
17
18
19
21
22
23
25
24
2F36
CIRCUIT BREAKER
OR
TERMINAL BLOCK
L1 L2 L3
4 11 24
1
2
3
4
5
6
7
8
ED 07/Aug/2014 12:20:31 GMT
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