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Johnson Controls AC6B manual

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Table of contents for the manual

  • Page 1

    562156-UIM-A-0610 R-410A OUTDOOR SPLIT -SYSTEM AIR CONDITIONING MODELS: 16 SEER - CZF / AC6B / AL6B SERIES 2 TO 5 T ONS INSTALLATION MANUAL LISTED ISO 9001 Certified Quality Management System T ABLE OF CONTENTS GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SAFETY . . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 2

    562156-UIM-A-0610 2 Johnson Controls Unitary Products INSPECTION As soon as a unit is r eceived, it should be inspected for possible dam- age during transit. If damage is evident, th e extent of the damage should be noted on the carrier ’s delivery receipt. A sep arate request for inspection by the carrier ’ s agent sh ould be made in writing. [...]

  • Page 3

    562156-UIM-A-0610 Johnson Controls Unitary Produ cts 3 GROUND IN ST ALLA TION The unit may be installed at ground level on a solid b ase that will not shift or settle, causing strain on t he refrigerant lines and possible leaks. Maintain the clearances shown in Figure 1 "T ypical Installation with Required Clearances" and install the unit[...]

  • Page 4

    562156-UIM-A-0610 4 Johnson Controls Unitary Products The outdoor condensing unit must be connected to the indoor evapora - tor coil using field supplied refrigerant grade copper tubing that is inter- nally clean and dry . Units should be installed only with the tubing sizes for approved system combinations as specified in tabular data sheet. The c[...]

  • Page 5

    562156-UIM-A-0610 Johnson Controls Unitary Produ cts 5 2. Remove the cap and Schrader core from both the liquid and vapor service valve service ports at th e outdoor unit. Connect low pressure nitrogen to the liquid line service port. 3. Braze the liquid line to the liquid valve at the outdoor unit. Be sure to wrap the valve body with a wet rag. Al[...]

  • Page 6

    562156-UIM-A-0610 6 Johnson Controls Unitary Products FIELD CONNECTIONS POWER WIRING 1. Install the proper size weather proof disconnect switch outdoors and within sight of the unit. 2. Remove the screws at the bottom of the corner cover . Slide corner cover down and remove from unit. See Figure 5 "T ypical Field Wir- ing". 3. Run power w[...]

  • Page 7

    562156-UIM-A-0610 Johnson Controls Unitary Produ cts 7 CFM SELECTION BOARD SETTINGS For proper system operation the CFM Selection Board jumpers must be set properly . Refer to the T ech Guide for the recommende d air flow settings for each size condensing unit and matchu p. Set the cooling speed per the instruct ions for the air handler or furnace [...]

  • Page 8

    562156-UIM-A-0610 8 Johnson Controls Unitary Products For additional connection diagrams for a ll UPG equipment refer to “Low V olt age System Wiring” document available online at www . upgnet.com in the Product Catalog Section. FIGURE 10: Thermost at Wiring – Single Stage Air Conditioner (with AC control) – PSC Air Handler 6LQJOH6WDJH?[...]

  • Page 9

    562156-UIM-A-0610 Johnson Controls Unitary Produ cts 9 FIGURE 1 1: Thermostat Wiring – Single S tage Air Conditioner (with AC control) – VS Air Handler 09 $9 ,'02'(/ 6 -XPSHUPXVWE HVHW WR³*$6(/(&´ < )LUVW6WDJH &RPSUHVVRU : 6HFRQG6WDJH+HD W * )DQ 67+683E 7+(502 67$7 [...]

  • Page 10

    562156-UIM-A-0610 10 Johnson Controls Unitary Products FIGURE 12: Thermostat Wiring – Single S tage Air Conditi oner (with AC control) – Modulating F urnace </&/& 7 /& 7& </&& ,'02'(/ 6 700 <00 <0/0 -XPSHUPX[...]

  • Page 11

    562156-UIM-A-0610 Johnson Controls Unitary Produ cts 11 SECTION VI: SY STEM CHARGE 1. The factory charge in the outdoor unit includes enough charge for the unit, a 15 ft. line set and the smallest rated indoor coil match-up. Some indoor coil matches may r equire additional charge. See tabu- lar data sheet provided in unit literature packet for char[...]

  • Page 12

    562156-UIM-A-0610 12 Johnson Controls Unitary Products 3. If the coil needs to be cleaned , use clean water to wash dust, dir t, and debris from outdoor condensing coil. 4. Refer to the furnace or air handler instructions for filter a nd blower motor maintenance. 5. The indoor coil and drain pan should be inspected and clea ned reg- ularly to preve[...]

  • Page 13

    562156-UIM-A-0610 Johnson Controls Unitary Produ cts 13 LED DIAGN OSTIC INDICA TORS The control includes two LED’s that display diagnostic information. LED1 is red and LED2 is green. These LED’s are used to display oper- ational mode, fault information. A third LED, LED3 is used to display status information. LED3 is yellow . These LED’s are [...]

  • Page 14

    562156-UIM-A-0610 14 Johnson Controls Unitary Products F AUL T CODE DISPLA Y The control will display any fault cod e that is currently active using the LED’s. The control will display the fault code, pause two seconds, and display the fault again. The control will continue the fault code display until the condition that caused the f ault code no[...]

  • Page 15

    562156-UIM-A-0610 Johnson Controls Unitary Produ cts 15 COOLING OPERA TION First-St age Cooling Operation During first-stage cooling operation, the con trol will receive a thermostat signal at the Y1 terminal. The contr ol will energize the M compressor output terminal. This signal energi zes the coil on the compressor con- tactor causing the compr[...]

  • Page 16

    562156-UIM-A-0610 16 Johnson Controls Unitary Products SECTION IX: WIRING DIAGRAM FIGURE 13: Wiring Diagram (2 - 4 T on)[...]

  • Page 17

    562156-UIM-A-0610 Johnson Controls Unitary Produ cts 17 FIGURE 14: Wiring Diagram (5 T on)[...]

  • Page 18

    Subject to change without not ice. Published in U.S.A. 562156-UIM-A-0610 Copyright © 2010 by Johnson Controls, Inc. All rights reserved. Supersedes: Nothing Johnson Contro ls Unitar y Prod uc t s 5005 Y ork Driv e Norman, OK 73069 NOTES[...]