| 1 |
THIS DRAWING IS TO BE USED FOR THE PURPOSE OF
ESTIMATING FIELD WIRING REQUIREMENTS CHECK SALES ORDER TO DETERMINE WHICH OPTIONS ARE
SPECIFIED AND REFER TO FIELD CONNECTION WIRING DIAGRAM FOR ACTUAL FIELD WIRING REQUIRED.
DASHED LINES INDICATE DEVICES AND FIELD WIRING SUPPLIED BY CUSTOMER. |
| 2 |
ALL FIELD WIRING MUST BE IN ACCORDANCE WITH
THE NATIONAL ELECTRIC CODE OR STATE AND LOCAL REQUIREMENTS WHICH APPLY. ALL CUSTOMER
CONTROL CIRCUIT WIRING MUST HAVE A MINIMUM RATING OF 150 VOLTS. |
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DO NOT ROUTE LOW VOLTAGE (30 VDC MAXIMUM)
WIRING IN THE SAME CONDUIT AS CONTROL VOLTAGE (115 VAC) WIRING AND DO NOT POWER-UP UNIT
UNTIL CHECK-OUT AND START-UP PROCEDURES HAVE BEEN COMPLETED. |
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THE MAIN UNIT CONTROL PANEL PROVIDES A CONTACT
CLOSURE TO CONTROL THE INDICATED CUSTOMER CONNECTED DEVICE. CUSTOMER TO PROVIDE 115 VAC
POWER TO EACH DEVICE. MAXIMUM FUSE SIZE IS 15 AMPS. |
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REQUIRED WIRING NOTES: |
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TRANE PROVIDES A TERMINAL BLOCK, FUSED OR
NON-FUSED DISCONNECT SWITCH OR A CIRCUIT BREAKER IN THE MAIN UNIT CONTROL PANEL FOR LINE
VOLTAGE CONNECTION WHICH REQUIRES THE USE OF COPPER CONDUCTORS ONLY CHECK SALES ORDER TO
DETERMINE WHICH OPTION IS SPECIFIED. WIRING SIZED PER NATIONAL ELECTRIC CODE BASED ON
NAMEPLATE MINIMUM CIRCUIT AMPACITY RATING. |
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EVAPORATOR, CONDENSER AND FLOW SWITCHES ARE TO
BE INSTALLED AND WIRED TO THE MAIN UNIT CONTROL PANEL BY THE INSTALLING CONTRACTOR. THE
PURCHASE OF FLOW SWITCHES FROM TRANE IS OPTIONAL. EACH FLOW SWITCH CIRCUIT REQUIRES TWO
WIRES. 115 VAC. MINIMUM CONTACT RATING AT 115 VAC IS 4.8 MA. |
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CHILLED AND CONDENSER-ABSORBER WATER FLOW MUST
BE PROVEN PRIOR TO CHILLER OPERATION CONDENSER-ABSORBER WATER PUMP MUST BE CONTROLLED BY
THE MAIN UNIT CONTROL PANEL FOR CHILLER SAFETY. |
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CIRCUIT REQUIRES TWO WIRES. 115 VAC. MAXIMUM
MODULE CONTACT RATING AT 115 VAC OR 30 VDC IS 2.88 AMPS INDUCTIVE. 1/3 HP. |
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OPTIONAL WIRING NOTES: |
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OPTIONAL CONTROL FOR A CUSTOMER SPECIFIED OR
INSTALLED LATCHING TRIPOUT. THE CHILLER WILL RUN NORMALLY WHEN THE CONTACT IS CLOSED AND
TRIP THE CHILLER OFF WITH A MANUALLY RESETTABLE DIAGNOSTIC WHEN THE CONTACT OPENS. MANUAL
RESET IS ACCOMPLISHED WITH THE DIAGNOSTIC KEY ON THE FRONT OF THE MAIN UNIT CONTROL PANEL.
CUSTOMER SUPPLIED SILVER CONTACTS ARE REQUIRED FOR 24 VDC. 12 MA RESISTIVE LOAD. CIRCUIT
REQUIRES TWO WIRES, 30 VDC MAXIMUM. DO NOT ROUTE IN CONDUIT WITH HIGHER VOLTAGE CIRCUITS. |
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OPTIONAL CONTROL FOR A CUSTOMER SPECIFIED OR
INSTALLED REMOTE AUTO-STOP FUNCTION. THE CHILLER WILL RUN NORMALLY WHEN THE CONTACT IS
CLOSED AND STOP THE CHILLER WHEN THE CONTACT OPENS. RECLOSURE OF THE CONTACT WILL PERMIT
THE CHILLER TO AUTOMATICALLY RETURN TO NORMAL OPERATION. CUSTOMER SUPPLIED SILVER CONTACTS
ARE REQUIRED FOR 24 VDC. 12 MA RESISTIVE LOAD.CIRCUIT REQUIRES TWO WIRES, 30 VDC MAXIMUM.
DO NOT ROUTE IN CONDUIT WITH HIGHER VOLTAGE CIRCUITS. |
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CIRCUIT REQUIRES TWO WIRES, 115 VAC. NORMALLY
OPEN MAXIMUM MODULE CONTACT RATING AT 115 VAC OR 30 VDC IS 2.88 AMPS INDUCTIVE. 1/3 HP |
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CIRCUIT REQUIRES SHIELDED WIRE PAIR, 30 VDC
MAXIMUM BELDON TYPE 8760 RECOMMENDED. MAXIMUMLENGTH OF 5000 FEET. |
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OPTIONAL REMOTE CLEAR LANGUAGE DISPLAY PANEL
REQUIRES SEPARATE CUSTOMER PROVIDED 24 VAC POWER SOURCE. |
