Johnson Controls AC6B - Manuals

Page 2 - Johnson Controls Unitary Products; INSPECTION; SECTION III: UNIT INSTALLATION; LOCATION; Must Be Rated; NOTICE

562156-UIM-A-0610 2 Johnson Controls Unitary Products INSPECTION As soon as a unit is received, it should be inspected for possible dam-age during transit. If damage is evident, the extent of the damageshould be noted on the carrier’s delivery receipt. A separate request forinspection by the carrier...

Page 3 - Apply with Models

562156-UIM-A-0610 Johnson Controls Unitary Products 3 GROUND INSTALLATION The unit may be installed at ground level on a solid base that will notshift or settle, causing strain on the refrigerant lines and possible leaks.Maintain the clearances shown in Figure 1 "Typical Installation withRequire...

Page 4 - PRECAUTIONS DURING LINE INSTALLATION; Connect the refrigerant lines using the following procedure:

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 sizesfor approved system combinati...

Page 5 - SECTION IV: EVACUATION; GENERAL INFORMATION & GROUNDING

562156-UIM-A-0610 Johnson Controls Unitary Products 5 2. Remove the cap and Schrader core from both the liquid and vapor service valve service ports at the outdoor unit. Connect low pressurenitrogen to the liquid line service port. 3. Braze the liquid line to the liquid valve at the outdoor unit. Be...

Page 6 - FIELD CONNECTIONS POWER WIRING; Panel

562156-UIM-A-0610 6 Johnson Controls Unitary Products FIELD CONNECTIONS POWER WIRING 1. Install the proper size weatherproof 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 ...

Page 7 - CFM SELECTION BOARD SETTINGS

562156-UIM-A-0610 Johnson Controls Unitary Products 7 CFM SELECTION BOARD SETTINGS For proper system operation the CFM Selection Board jumpers must beset properly. Refer to the Tech Guide for the recommended air flow settings for eachsize condensing unit and matchup. Set the cooling speed per the in...

Page 11 - SECTION VI: SYSTEM CHARGE; Measurement Method; must; SECTION VII: INSTRUCTING THE OWNER; MAINTENANCE

562156-UIM-A-0610 Johnson Controls Unitary Products 11 SECTION VI: SYSTEM 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 require additional charge. See tabu-lar data shee...

Page 12 - SECTION VIII: AC CONTROL BOARD; ANIT-SHORT CYCLE DELAY

562156-UIM-A-0610 12 Johnson Controls Unitary Products 3. If the coil needs to be cleaned, use clean water to wash dust, dirt, and debris from outdoor condensing coil. 4. Refer to the furnace or air handler instructions for filter and blower motor maintenance. 5. The indoor coil and drain pan should...

Page 13 - LED DIAGNOSTIC INDICATORS

562156-UIM-A-0610 Johnson Controls Unitary Products 13 LED DIAGNOSTIC INDICATORS 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 displaystatus informat...

Page 14 - FAULT CODE DISPLAY

562156-UIM-A-0610 14 Johnson Controls Unitary Products FAULT CODE DISPLAY The control will display any fault code that is currently active using theLED’s. The control will display the fault code, pause two seconds, anddisplay the fault again. The control will continue the fault code displayuntil the...

Page 15 - COOLING OPERATION; OUTDOOR AMBIENT TEMPERATURE SENSOR

562156-UIM-A-0610 Johnson Controls Unitary Products 15 COOLING OPERATION First-Stage Cooling Operation During first-stage cooling operation, the control will receive a thermostatsignal at the Y1 terminal. The control will energize the M compressoroutput terminal. This signal energizes the coil on th...

Page 16 - SECTION IX: WIRING DIAGRAM

562156-UIM-A-0610 16 Johnson Controls Unitary Products SECTION IX: WIRING DIAGRAM FIGURE 13: Wiring Diagram (2 - 4 Ton)

Page 18 - NOTES

Subject to change without notice. Published in U.S.A. 562156-UIM-A-0610 Copyright © 2010 by Johnson Controls, Inc. All rights reserved. Supersedes: Nothing Johnson Controls Unitary Products 5005 York Drive Norman, OK 73069 NOTES