Johnson Controls DEM024 Installation Manual Download | Manualshive

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343633-YIM-B-0408

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Johnson Controls Unitary Products

FIGURE 7: TYPICAL WIRING DIAGRAM (208/230-3-60 POWER SUPPLY) DEM MODELS

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Summary of Contents for DEM024

Page 1: ... alert installer that personal injury and or equipment damage may result if installation procedure is not handled properly CAUTION READ ALL SAFETY GUIDES BEFORE YOU BEGIN TO INSTALL YOUR UNIT SAVE THIS MANUAL 343633 YIM B 0408 TABLE OF CONTENTS GENERAL 3 INSPECTION 3 REPLACEMENT PARTS 3 INSTALLATION 4 SEQUENCE OF OPERATION FOR DEM MODELS 14 MAINTENANCE 16 TROUBLESHOOTING 16 SINGLE PACKAGE AIR COND...

Page 2: ...AGRAM 6 4 COIL DELTA P VS AIRFLOW 10 5 DIMENSIONS AND CLEARANCES 13 6 TYPICAL WIRING DIAGRAM 208 230 1 60 POWER SUPPLY DEM MODELS 17 7 TYPICAL WIRING DIAGRAM 208 230 3 60 POWER SUPPLY DEM MODELS 18 8 TYPICAL WIRING DIAGRAM 460 575 3 60 POWER SUPPLY DEM MODELS 19 LIST OF TABLES Tbl Pg 1 UNIT APPLICATION DATA 4 2 UNIT WEIGHTS 4 3 PHYSICAL DATA 6 4 ELECTRICAL DATA ELECTRIC HEAT 7 5 SIDE AND BOTTOM DU...

Page 3: ...riting REFERENCE Additional information on the design installation operation and service of this equipment is available in the following reference forms 343633 General Installation 035 16605 003 E 0605 Electric Heater Accessory REPLACEMENT PARTS Contact your York parts distribution center for authorized replacement parts This product must be installed in strict compliance with the enclosed install...

Page 4: ...1 8 maximum RIGGING OR HANDLING Care must be exercised when moving the unit Do not remove any packaging until the unit is near the place of installation Rig unit with slings placed under the unit Spreader bars of sufficient length should be used across the top of the unit BEFORE LIFTING A UNIT MAKE SURE THAT ITS WEIGHT IS DISTRIBUTED EQUALLY ON THE CABLES SO THAT IT WILL LIFT EVENLY Units may also...

Page 5: ...ill into an open drain SERVICE ACCESS Access to all serviceable components is provided by the following removable panels Blower service access Electrical filter access Compressor service access Refer to Figure 5 for location of these access panels and minimum clearance THERMOSTAT The room thermostat should be located on an inside wall approximately 56 above the floor where it will not be subject t...

Page 6: ... 20 20 20 FACE AREA Sq Ft 12 9 12 9 12 9 12 9 16 4 16 4 CHARGE REFRIGERANT 22 lbs oz 4 10 5 9 5 0 4 12 6 0 10 8 FILTER FACE AREA Sq Ft Qty Size 2 14 1 14 x 22 COMPRESSOR HERMETIC QTY 1 Type Recip Rotary Recip Scroll Scroll Scroll 3 4 3 4 REFER TO ELECTRICAL DATA TABLES TO SIZE THE DIS CONNECT SWITCH WIRING OVERCURRENT PROTECTION REFER TO ELECTRICAL DATA TABLES TO SIZE THE DIS CONNECT SWITCH WIRING...

Page 7: ...8 10 1 9 6 14 1 15 2NH04501558 15 1 14 4 20 1 25 042 3 5 208 230 1 60 21 1 115 33 1 2 6 0 None 33 6 45 2NH04500506 3 8 5 1 18 3 20 8 33 6 33 6 45 45 2NH04500706 5 6 7 5 2 26 9 31 3 41 2 46 6 50 50 2NH04501006 7 5 10 2 36 1 41 7 52 6 59 6 60 60 2NH04501506 11 3 15 2 54 3 62 5 75 4 85 6 80 90 208 230 3 60 13 4 89 21 1 2 6 0 None 24 30 2NH04501025 7 5 10 1 20 8 24 1 33 5 37 6 35 40 2NH04501525 11 3 1...

Page 8: ...889 651 177 979 Medium High 4 990 170 755 934 187 839 868 202 920 791 216 1000 696 227 1078 High 5 985 245 952 913 257 1022 813 261 1090 030 Low 1 844 119 686 767 133 782 Low Medium 2 1003 175 762 949 192 844 884 208 925 808 222 1003 Medium 3 1068 204 795 1020 221 871 961 236 945 888 248 1018 790 254 1087 Medium High 4 1180 264 855 1140 279 920 1086 291 983 1015 299 1045 904 292 1102 High 5 1212 3...

Page 9: ...03 0 05 1200 0 04 0 02 0 03 0 06 1300 0 04 0 03 0 03 0 07 1400 0 04 0 04 0 03 0 08 1500 0 04 0 05 0 04 0 09 1600 0 04 0 06 0 05 0 10 1700 0 05 0 07 0 05 0 11 1800 0 05 0 07 0 06 0 11 1900 0 06 0 08 0 06 0 11 2000 0 07 0 08 0 07 0 12 048 4 0 1100 0 03 0 01 0 03 0 05 1200 0 04 0 02 0 03 0 06 1300 0 04 0 03 0 03 0 07 1400 0 04 0 04 0 03 0 08 1500 0 04 0 05 0 04 0 09 1600 0 04 0 06 0 05 0 10 1700 0 05...

Page 10: ...ons would be inaccurate To ensure a dry coil the compressors should be deactivated while the test is being run 4 Knowing the pressure drop across a dry coil the actual CFM through the unit can be determined from the curve in Coil Delta P vs Supply Air CFM figure After readings have been obtained remove the tubes and reinstall the two inch plugs removed in Step 1 NOTE De energize the compressors be...

Page 11: ...6 3 27 7 29 2 30 6 32 1 70 15 0 16 7 18 4 20 1 21 8 23 5 25 3 26 7 28 1 29 6 31 0 75 13 9 15 7 17 4 19 1 20 8 22 5 24 2 25 6 27 1 28 5 30 0 80 12 9 14 6 16 3 18 0 19 7 21 4 23 2 24 6 26 0 27 5 28 9 85 11 9 13 6 15 3 17 0 18 7 20 4 22 1 23 5 25 0 26 4 27 9 90 7 2 9 5 11 8 14 2 16 5 18 8 20 8 22 7 24 7 26 6 95 6 7 9 6 12 6 15 5 18 0 20 5 22 9 25 4 100 5 8 8 0 10 2 12 4 14 8 17 3 19 8 22 2 105 6 4 7 ...

Page 12: ...2 7 23 3 24 0 24 7 25 3 26 0 70 16 9 17 6 18 3 19 1 19 8 20 5 21 3 22 2 23 1 24 0 24 9 75 14 0 14 9 15 8 16 6 17 5 18 4 19 3 20 4 21 5 22 7 23 8 80 11 2 12 2 13 2 14 2 15 2 16 2 17 2 18 6 20 0 21 3 22 7 85 8 4 9 5 10 6 11 8 12 9 14 1 15 2 16 8 18 4 20 0 21 6 90 5 7 6 9 8 0 9 1 10 2 11 4 12 5 14 7 16 9 19 0 21 2 95 5 3 6 4 7 6 8 7 9 8 12 6 15 3 18 1 20 8 100 5 4 6 3 7 1 8 0 10 7 13 3 16 0 18 6 105 ...

Page 13: ...LL OVERALL 4 1 2 UNIT CONDENSATE CONNECTION NPTI TRAP REQUIRED OVERALL SIDE SUPPLY AIR OPENING SIDE RETURN AIR OPENING COMPRESSOR SERVICE ACCESS COMPARTMENT PANEL HIGH VOLTAGE CONN DIA KNOCKOUT HIGH VOLTAGE CONN DIA KNOCKOUT REFRIGERANT CONNECTIONS A UNIT SIZE DIMENSION A 024 042 33 048 060 41 CLEARANCES Minimum Front 12 Back 0 Left Side Filter Access 24 Right Side 24 Below Unit 1 0 Above Unit 2 3...

Page 14: ... switch is in the AUTO position the 24 volt G signal will be removed and after a 30 second delay the indoor blower motor will shut down HEATING WITH POWER TO UNIT AND THERMOSTAT IN HEATING MODE 1 If the fan switch on the thermostat is in the ON position the 24 volts at G will be sent to the indoor motor and the blower will operate at the selected airflow If the fan switch is in the AUTO position t...

Page 15: ...K 1 HTR 1 1 SECOND DELAY ON FAN 10 SECOND DELAY OFF OFF HEATER BANK 3 HTR 4 HTR 5 INSTANT OFF HEATER BANK 2 HTR 2 HTR 3 SEC DELAY ON HEATER BANK 1 HTR 1 1 SECOND DELAY ON FAN 10 SECOND DELAY OFF TABLE 14 THERMOSTAT SIGNALS THREE PHASE UNITS SIGNAL STATE BOARD FUNCTION SIGNAL STATE BOARD FUNCTION G ON FAN INSTANT ON OFF FAN INSTANT OFF G y ON FAN INSTANT ON COMPRESSOR AND OUTDOOR FAN INSTANT ON W1 ...

Page 16: ... is used to clean the coil be sure that the power to the unit is shut off prior to cleaning TROUBLESHOOTING Prior to any of the following maintenance procedures shut off all power to the unit to avoid personal injury Exercise care when cleaning the coil so that the coil fins are not damaged Do not permit the hot condenser air discharge to be obstructed by overhanging structures or shrubs Troublesh...

Page 17: ...343633 YIM B 0408 Johnson Controls Unitary Products 17 FIGURE 6 TYPICAL WIRING DIAGRAM 208 230 1 60 POWER SUPPLY DEM MODELS ...

Page 18: ...343633 YIM B 0408 18 Johnson Controls Unitary Products FIGURE 7 TYPICAL WIRING DIAGRAM 208 230 3 60 POWER SUPPLY DEM MODELS ...

Page 19: ...343633 YIM B 0408 Johnson Controls Unitary Products 19 FIGURE 8 TYPICAL WIRING DIAGRAM 460 575 3 60 POWER SUPPLY DEM MODELS ...

Page 20: ... change without notice Printed in U S A 343633 YIM B 0408 Copyright 2008 by Johnson Controls Inc All rights reserved Supersedes 343633 YIM A 1007 Johnson Controls Unitary Products 5005 York Drive Norman OK 73069 ...

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