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Resumen del manual
See Table 4 for complete listing of wires in the CV with Economizer Package. 2. See Table 2 for complete listing of wires in the CV without Economizer Package 3. See Tables 3 and 5 for complete listing of wires in the CV unit with heat package TABLE 2: PARTS SUPPLIED FOR CV UNITS W/O ECONOMIZER1 QTY PART NO. DESCRIPTION 1 373-18641-653 201/R 816/R 252/R 1 373-18641-654 257/Y 817/Y 818/Y 819/Y 1 373-18641-659 842/BR 814/BR 813/BR 812/BR 834/BR 835/BR 1 AB008RED7171230 230/R 1 AB024YEL5471240 240/Y 1 AB024ORN7171244 244/O 1 AB027GRA7171248 248/GY 1 AB022GRA7171800 800/GY 1 AB007YEL7171801 801/Y 1 AB007ORN7171802 802/O 1 AB009PRP7171803 803/PR 1 AB012GRA7171821 821/GY 1 AB018BRN7171836 836/BR 1 AB027PRP7171839 839/PR 1. See Table 3 for units with optional heat. Unitary Products Group 530.70-N1.11Y TABLE 3: PARTS SUPPLIED FOR CV UNITS WITH OPTIONAL HEAT QTY PART NO. DESCRIPTION 1 373-18689-610 820/Y 823/Y 1 373-18689-611 822/BR 826/BR 1 AB144GRA7171844 844/GY 1 AB144WHT7171845 845/W 2 024-24116-000 Isolation Relay FIGURE 1: POWER & CONTROL WIRING LOCATION FIGURE 2 : EXISTING CONTROL PANEL COMPONET LOCATION OPEN ALL DISCONNECTS BEFORE SERVICING THIS UNIT. FIGURE 3 : TYPICAL THERMOSTAT WIRING The new thermostat requires a thermostat cable with a minimum of 10 conductors that run from the sub-base to the control box. The new wire will be connected as shown in Figure 3. 1. Locate the W7400 control module in the box-electric (Figures 1 and 2). 2. Remove the following wires form the W7400 control module and from the unit. • 201/R • 208/BR • 254/GY • 252/Y • 257/Y • 248/GY • 240/Y • 244/0 • 246/PR NOTE: Wire ties will need to be removed to remove above wires. 3. Disconnect wire 204/BR from the TR terminals on the w7400 control module. NOTE: These wires will be used with the new controls. 4. Disconnect thermostat wire from terminals 1-4 on the W7400 control module. NOTE: This wire will be used with the new controls. NOTE: STEPS 5 THROUGH 7 ARE FOR OPTIONAL HEAT ONLY. Unitary Products Group 530.70-N1.11Y FIGURE 4 : NEW LOW VOLTAGE CONTROL COMPONETS 5. Disconnect wire 526/R from the 30FU location. NOTE: This wire will be used with the new controls. 6. Disconnect wire 533/GY from the W7400 control module G terminal. 7. Disconnect wires 510/GY and 512/w from W1 & W2. NOTE: These wires will be used with the new controls. 8. Remove the W7400 control module from the control box. 9. Locate the new control plate in box-electric in the location shown in Figure 4. 10. Using the four drill screws secure the back plate to the box-electric. 11. Locate the packet of wires marked with “No Economizer”. 12. Attach thermostat wires to new location TB12 (See Figure 3). NOTE: For the following steps (13-34) see Figures 5, and 6 respectively. 13. Attach wire 230/R from 8T-7 to TB12-R . 14. Attach wire 836/BR from TB2 to 8T-6. 15. Attach wire 842/BR from 8T-6 to MR-B. 16. Attach wire 814/BR from MR-B to CR1-B. 17. Attach wire 813/BR from CR1-B to CR2-B. 18. Attach wire 812/BR from...
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