Manual do usuário Carrier MINIMUM LOAD CONTROL ACCESSORY 30RB060-390

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30RB060-390
Minimum Load Control Accessory
Installation Instructions
Part No: 00EFN900000100A
SAFETY CONSIDERATIONS INSTALLATION
Installing, starting up, and servicing air-conditioning equip- Examine the package contents for correct part numbers. If
ment can be hazardous due to system pressures, electrical com- any of the components are damaged, file a claim with the
ponents and equipment location. shipping company and notify a Carrier representative.
Only trained, qualified installers and servi

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Table 2 — Contents of Accessory Kit PART NUMBER QUANTITY DESCRIPTION USAGE 5 / in. tube assembly with 90-degree Blank end of the cooler except in 8 00PPN500000600A 2 bend and 1 in. — 14 O-ring seal nut 30RB110 circuit A 1 Solenoid valve with / in. All 2 00PPN50001000A 2 ODF connections 5 1 / in. beaded tube with / in. swage 30RB060,070,110,120, circuit A and 8 2 00PSN500023900A 2 1 (used with 1 / in. discharge lines) 30RB080-100 circuits A and B 8 5 1 00PSN500024000A 1 / in. beaded tube with /

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. IMPORTANT: The valve is direction specific and must have the arrow pointing toward the cooler. The solenoid valve will not properly seat if installed backwards. 6. Dehydrate and recharge each circuit. 7. Restore power to the unit. NOTE: When piping is completed, leak test the assembly. Then evacuate, dehydrate, and recharge the circuit using approved refrigeration practices. Be sure to use the correct type and amount of refrigerant listed in the nameplate data and base unit documentation. In

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8. Press the key. the Service Test mode to verify proper operation of the ENTER solenoid(s) (illuminate the Service Test LED, enter the TEST 9. Press the key until ‘DISP’ is displayed. Wait ESCAPE mode, enable the test request, ‘T.REQ’ and test outputs 10 seconds and cycle the control power using the On/Off ‘HGB.A,’ ‘HGB.B’ and for 30RB210-300 only, ‘HGB.C.’ switch. Once the outputs have been tested, the installation is complete. The chiller is now configured for minimum load valve control. R

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SOLENOID VALVE TUBE SUPPORT BRACKETS BALL VALVE FIELD-SUPPLIED SOLENOID VALVE TUBING BALL VALVE CIRCUIT B 00PPN500000600A CIRCUIT A TUBE ASSEMBLY 30RB120-190 SOLENOID VALVE TUBE SUPPORT BRACKETS 1/2 IN. TUBING CLAMP (TYPICAL) BALL VALVE FIELD-SUPPLIED TUBING 1/2 IN. CLAMP (TYPICAL) SOLENOID VALVE TUBE SUPPORT BRACKETS BALL VALVE BALL VALVE SOLENOID VALVE FIELD-SUPPLIED TUBING FIELD-SUPPLIED TUBING 5/8 IN. CIRCUIT A TUBING CLAMP (TYPICAL) 00PPN500000600A CIRCUIT C TUBE ASSEMBLY CIRCUIT B 30RB210-

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LEGEND MLV — Minimum Load Valve TB — Terminal Block Fig. 6 — Main Base Board Wiring for Circuits A and B, 30RB060-300 LEGEND MLV — Minimum Load Valve TB — Terminal Block Fig. 7 — Fan Board 3 Wiring for Circuit C, 30RB210-300 6

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Copyright 2010 Carrier Corporation Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Catalog No. 04-53300047-01 Printed in U.S.A. Form 30RB-16SI Pg 8 3-10 Replaces: 30RB-4SI