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30XA080-500
Minimum Load Control Accessory
Installation Instructions
Part No: 00EFN900002700A, 00EFN900002800A, 00EFN900002900A
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 your Carrier representative.
Only t
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Table 2A — Contents of Accessory Kit, Part No. 00EFN900002700A PART NUMBER QUANTITY DESCRIPTION USAGE One per circuit (circuit A and B for 30XA400). Tube assembly including solenoid valve, 00PSN500171700A 2 Cooler shell minimum load port, connect to ball valve, and 90 degree bend tube assembly 30GX5034892 adapter. 1 30GX5034892 2 1 in. -14 ORS x / in. NPT adapter One per circuit. Cooler shell minimum load port. 2 One per circuit. Plug onto solenoid valve stub 00PPG000011600A 2 Solenoid coil
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Table 2C — Contents of Accessory Kit, Part No. 00EFN900002900A PART NUMBER QUANTITY DESCRIPTION USAGE One per circuit (Circuit A and B for 30XA325, 350, Tube assembly including solenoid valve, 00PSN500175200A 2 circuit A and C for 30XA450, 500). Cooler shell ball valve, and 90 degree bend tube assembly minimum load port, connect to 30GX5034892 adapter. 1 30GX5034892 2 1 in. - 14 ORS x / in. NPT adapter One per circuit. Cooler shell minimum load port. 2 One per circuit. Plug onto solenoid valv
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a30-4498 4 T T T T CKT A CKT B CKT A CKT B UNIT SIZE: 260, 280, 300 UNIT SIZE: 220, 240 T T T T CKT B CKT A CKT B CKT A UNIT SIZE: 325, 350 UNIT SIZE: 180, 200 TTT TT CKT B CKT C CKT A CKT B CKT A UNIT SIZE: 400 UNIT SIZE: 140, 160 T T T T T CKT B CKT A CKT C CKT A CKT B UNIT SIZE: 450, 500 UNIT SIZE: 090-120 LEGEND CB — Control Box CKT — Circuit T T T— Tee (braze tee in this dis- charge manifold location) NOTES: 1. Diagrams view 30XA from the cooler side. CKT A CKT B 2. Sh
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1/2 IN. NPT A CIRCUIT B CIRCUIT 1/2 IN. NPT TUBE ASSEMBLIES a30-4501 Fig. 3 — Typical Solenoid Valve Tube Assembly Installation BRAZE THE TEE IN THIS LOCATION CUT 1-1/2 IN. OFF THE DISCHARGE MANIFOLD REMOVE TRIM PANEL TO ACCESS a30-4502 Fig. 4 — Discharge Manifold Modification and Tee Brazing 5
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575 v only) or TB11-X2 (30XA080-120: 200/230 v and Install HGBP/Pump Board and Control Wiring 30XA140-500: all voltages). See Fig. 7. 1. Attach the solenoid coil assembly to the solenoid valve 6. Using harness TH70400864 provided in the kit, connect plunger on the tube assembly for each circuit. One cable TB5 pins 6 (30XA400-500 only), 7, 8, and 13 to HGBP/ assembly TH70400410 is supplied per circuit. Secure the Pump board J2 CH3, CH4 and J3 CH5 (30XA400-500 DIN connector end on the solenoid val
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TOUCH PILOT DISPLAY CB14 HGBP/PUMP BOARD a30-4505 Fig. 6B — HGBP/Pump Board and CB14 Mounting Location (30XA080-120: 460 v, 575 v) BRN TB10-X2 OR TB11-X2 FIOP/ACCESSORY J1 CB14 HGBP/ 2 3.2 AMPS BRN 12 PUMP 1 RED 11 BOARD RED a30-4506 TB10-X1 OR TB11-X1 Fig. 7 — HGBP/Pump Board 24 v Power Wiring 7
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For the Touch Pilot display: Configure Unit for Minimum Load Control — The controls must be configured for the minimum load control 1. Ensure the unit is in Local Off operating mode by looking operation. Use the Touch Pilot™ or the Navigator™ display to at the upper left hand corner of the group display. If the configure the system. Refer to the 30XA Controls, Start-Up, unit is not in the Local Off mode, press the Start/Stop but- Operation, Service, and Troubleshooting manual for additional ton
