background image

RECOGNIZE THIS SYMBOL

 AS A SAFETY PRECAUTION.

These installation instructions cover the 

outdoor 

installation of 

single package heating and cooling units.  See the Specification 

Sheet  applicable  to  your  model  for  information  regarding 

accessories.

*NOTE:  

Please contact your distributor or our website for the 

applicable Specification Sheet referred to in this manual.

DFC

 

SERIES 

P

ackaged

 H

eating

 

and

 c

ooling

 U

nit

15 

to

 25 t

on

 

Our continuing commitment to quality products may mean a change in specifications without notice.

IOD-1054A
09/2022

Index

Safety Instructions

 .................................................................2

Replacement Parts ................................................................2

General Information

 ..............................................................2

Unit Location

 .........................................................................4

Clearances .............................................................................6

Roof Curb Post-Installation Checks

.........................................6

Roof Top Duct Connections

 ....................................................6

Rigging Details .......................................................................6
Electrical Wiring ....................................................................7

Circulating Air and Filters

 .......................................................9

Condensate Drain Connection

 ...............................................9

Startup, Adjustments, and Checks

 .......................................10

Air flow Adjustments

 ...........................................................11

NOTE: 

25 ton model shown in picture.

 

20 ton model has 4 fans 

 

15 ton model has 3 fans

INSTALLATION INSTRUCTIONS

©2022  

19001 Kermier Rd. Waller, TX 77484

www.daikincomfort.com

ONLY PERSONNEL THAT HAVE BEEN TRAINED TO INSTALL, 

ADJUST, SERVICE, MAINTENANCE OR REPAIR  

(HEREINAFTER, “SERVICE”) THE EQUIPMENT SPECIFIED IN 

THIS MANUAL SHOULD  

SERVICE THE EQUIPMENT.  THE MANUFACTURER WILL 

NOT BE RESPONSIBLE FOR ANY INJURY OR PROPERTY 

DAMAGE ARISING FROM IMPROPER SERVICE OR SERVICE 

PROCEDURES.  IF YOU SERVICE THIS UNIT, YOU ASSUME 

RESPONSIBILITY FOR ANY INJURY OR PROPERTY  

DAMAGE WHICH MAY RESULT.  IN ADDITION, IN  

JURISDICTIONS THAT REQUIRE ONE OR MORE LICENSES 

TO SERVICE THE EQUIPMENT SPECIFIED IN THIS  

MANUAL, ONLY LICENSED PERSONNEL SHOULD SERVICE 

THE EQUIPMENT.   

IMPROPER INSTALLATION, ADJUSTMENT, SERVICING, 

MAINTENANCE OR REPAIR OF THE EQUIPMENT SPECIFIED 

IN THIS MANUAL, OR ATTEMPTING TO INSTALL, ADJUST, 

SERVICE OR REPAIR THE EQUIPMENT SPECIFIED IN THIS 

MANUAL WITHOUT PROPER TRAINING MAY RESULT IN 

PRODUCT DAMAGE, PROPERTY DAMAGE, PERSONAL  

INJURY OR DEATH.

WARNING

WARNING

DO NOT BYPASS SAFETY DEVICES

Summary of Contents for DFC Series

Page 1: ...on model shown in picture 20 ton model has 4 fans 15 ton model has 3 fans INSTALLATION INSTRUCTIONS 2022 19001 Kermier Rd Waller TX 77484 www daikincomfort com ONLY PERSONNEL THAT HAVE BEEN TRAINED TO...

Page 2: ...iance REPLACEMENT PARTS Ordering Parts When reporting shortages or damages or ordering repair parts give the complete unit model and serial numbers as stamped on the unit s nameplate Replacement parts...

Page 3: ...s 4 File the claim with the following supporting documents a Original Bill of Lading certified copy or indemnity bond b Original paid freight bill or indemnity in lieu thereof c Original invoice or ce...

Page 4: ...rface for service personnel should be provided As indicated on the unit data plate a minimum clearance of 36 to any combustible material is required on the furnace access side of the unit All combusti...

Page 5: ...d using industry guidelines The duct work must be placed into the roof curb before mounting the package unit Our full perimeter curbs include duct connection frames to be assembled with the curb Canti...

Page 6: ...uded in the unit base frame No other fork locations are approved WARNING To prevent possible equipment damage property damage personal injury or death the following bullet points must be observed when...

Page 7: ...ARNING HIGH VOLTAGE TO AVOID PROPERTY DAMAGE PERSONAL INJURY OR DEATH DUE TO ELECTRICAL SHOCK DO NOT TAMPER WITH FACTORY WIRING THE INTERNAL POWER AND CONTROL WIRING OF THESE UNITS ARE FACTORY INSTALL...

Page 8: ...LTAGE TERMINAL LOCATIONS NOTE Depending on the options installed the location of the components may vary in some models WARNING Failure of unit due to operation on improper line voltage or with excess...

Page 9: ...AWG wire may be required before entering thermostat sub base NOTE Refer to unit wiring diagrams for thermostat hookups CIRCULATING AIR AND FILTERS Ductwork The supply duct from the unit through a wal...

Page 10: ...d and corresponds with installation instructions All thermostats are mounted and wired in accordance with installation instructions All electric power all gas hot water or steam line connections and t...

Page 11: ...n by default Taps T1 and T2 are for low cool operation cooling stage 1 and Taps T3 to T5 are for high cool operation cooling stage 2 Taps T6 and T7 are for low heat operation heating stage 1 and taps...

Page 12: ...ed during heating stage 1 operation Do not move wires WH and BR to the same taps Move PURPLE PU wire from TB1 T3 to T4 or T5 to change blower speed during cooling stage 2 operation Do not move wires Y...

Page 13: ...heck ing superheat run the unit in cooling for 15 20 minutes or until refrigerant pressures stabilize Use the following guidelines and methods to check unit operation and ensure that the refrigerant c...

Page 14: ...ards check the power wiring for that motor and correct any leads that have been interchanged at the contactor or at the motor 7 With all safety devices closed the system will continue cooling operatio...

Page 15: ...E must be completely cleaned following the cleaning procedure This practice must also be performed during short shut down periods where corrosive deposits accumulate on the MCHE Cleaning Procedure Rel...

Page 16: ...should be increased depending on the level of dirt dust accumulation and the environment e g coastal areas with chlorides and salts or industrial areas with aggressive substances WARNING Field applie...

Page 17: ...2 0 4 7527 764 782 1 47 1 51 0 6 7247 805 821 1 55 1 58 0 8 6941 848 857 1 63 1 65 1 6620 892 893 1 72 1 72 1 2 6275 946 932 1 82 1 79 T6 T7 T8 T9 T5 T10 DFC1803DStandardStatic T1 T2 T3 T4 SpeedTap St...

Page 18: ...10162 1132 1061 3 37 3 16 1 10002 1152 1097 3 44 3 27 1 2 9806 1179 1132 3 52 3 38 0 2 10958 1088 1013 3 38 3 15 0 4 10701 1112 1038 3 45 3 22 0 6 10521 1140 1058 3 54 3 29 0 8 10359 1164 1089 3 61 3...

Page 19: ...0 89 0 88 0 4 8969 851 848 2 78 1 73 0 6 7516 814 811 0 93 0 93 0 6 8688 886 884 2 90 1 80 0 8 7185 852 849 0 97 0 97 0 8 8398 923 920 3 02 1 88 1 6864 887 885 1 01 1 01 1 8132 956 952 3 12 1 94 1 2...

Page 20: ...6 9153 954 897 2 27 2 13 0 8 8724 966 925 2 19 2 10 0 8 8974 988 942 2 35 2 24 1 8554 992 980 2 25 2 22 1 8814 1013 995 2 41 2 37 1 2 8298 1025 1027 2 33 2 33 1 2 8568 1045 1042 2 48 2 48 1 4 8015 10...

Page 21: ...1042 3 48 3 25 0 6 8911 930 878 2 11 1 99 0 6 10544 1144 1062 3 57 3 31 0 8 8724 966 925 2 19 2 10 0 8 10382 1168 1093 3 65 3 41 1 8554 992 980 2 25 2 22 1 10209 1190 1123 3 71 3 51 1 2 8298 1025 102...

Page 22: ...6 RPM1 RPM2 DDC BHP1 BHP2 RPM1 RPM2 DDC BHP1 BHP2 RPM1 RPM2 DDC BHP1 BHP2 RPM1 RPM2 DDC BHP1 BHP2 4200 683 665 13 0 04 0 01 762 747 16 0 11 0 14 850 845 20 0 32 0 34 928 929 23 0 51 0 53 4500 718 695...

Page 23: ...6 RPM1 RPM2 DDC BHP1 BHP2 RPM1 RPM2 DDC BHP1 BHP2 RPM1 RPM2 DDC BHP1 BHP2 RPM1 RPM2 DDC BHP1 BHP2 4200 683 665 13 0 04 0 01 762 747 16 0 11 0 14 850 845 20 0 32 0 34 928 929 23 0 51 0 53 4500 718 695...

Page 24: ...4 0 6 RPM1 RPM2 DDC BHP1 BHP2 RPM1 RPM2 DDC BHP1 BHP2 RPM1 RPM2 DDC BHP1 BHP2 RPM1 RPM2 DDC BHP1 BHP2 4200 689 688 17 1 72 0 41 761 770 20 1 89 0 54 836 838 22 1 77 0 60 994 948 27 2 26 0 81 4500 704...

Page 25: ...RPM1 RPM2 DDC BHP1 BHP2 RPM1 RPM2 DDC BHP1 BHP2 RPM1 RPM2 DDC BHP1 BHP2 RPM1 RPM2 DDC BHP1 BHP2 5600 881 830 35 0 98 0 93 937 886 36 1 12 1 06 990 947 38 1 26 1 21 1039 1000 39 1 41 1 37 6000 907 849...

Page 26: ...RPM1 RPM2 DDC BHP1 BHP2 RPM1 RPM2 DDC BHP1 BHP2 RPM1 RPM2 DDC BHP1 BHP2 RPM1 RPM2 DDC BHP1 BHP2 5600 881 830 35 0 98 0 93 937 886 36 1 12 1 06 990 947 38 1 26 1 21 1039 1000 39 1 41 1 37 6000 907 849...

Page 27: ...M1 RPM2 DDC BHP1 BHP2 RPM1 RPM2 DDC BHP1 BHP2 RPM1 RPM2 DDC BHP1 BHP2 RPM1 RPM2 DDC BHP1 BHP2 5600 775 789 22 0 86 0 88 842 861 24 0 99 1 04 889 918 27 1 14 1 21 938 985 30 1 31 1 41 6000 789 797 25 0...

Page 28: ...RE DROP SCFM 4500 5000 5500 6000 6500 7000 7500 8000 8500 9000 9500 10000 In WG 0 15 0 18 0 22 0 27 0 32 0 37 0 42 0 48 0 55 0 61 0 69 0 76 Airflow Pressure Drop of Downflow Economizer for 15 to 25 To...

Page 29: ...00 9 6 8 7 4 8 204 192 225 200 9 6 8 7 13 9 216 203 225 225 44 4 50 2 4 46 8 50 8 1 52 5 60 4 3 48 7 60 4 3 2 4 51 1 60 4 3 8 1 56 8 60 61 3 70 2 4 64 3 70 8 1 71 4 80 4 3 66 7 70 4 3 2 4 69 7 70 4 3...

Page 30: ...7 189 211 200 225 9 6 8 7 4 8 195 217 200 225 9 6 8 7 13 9 207 229 225 250 103 103 125 125 4 8 108 108 125 125 13 9 117 117 125 125 9 6 8 7 113 112 125 125 9 6 8 7 4 8 118 117 125 125 9 6 8 7 13 9 127...

Page 31: ...3 74 8 80 3 5 68 8 70 3 5 2 71 3 80 3 5 8 3 79 2 80 67 9 70 2 70 4 80 8 3 78 3 80 3 5 72 3 80 3 5 2 74 8 80 3 5 8 3 82 7 90 81 8 90 2 84 3 90 8 3 92 2 100 3 5 86 2 90 3 5 2 88 7 90 3 5 8 3 96 5 100 43...

Page 32: ...8 167 183 200 200 9 6 8 7 13 9 178 194 200 200 186 175 200 175 4 8 192 181 200 200 13 9 204 192 225 200 9 6 8 7 198 186 200 200 9 6 8 7 4 8 204 192 225 200 9 6 8 7 13 9 216 203 225 225 186 209 200 22...

Page 33: ...89 8 90 8 3 97 7 100 3 5 91 7 100 3 5 2 94 2 100 3 5 8 3 102 110 52 6 60 2 54 6 60 8 3 60 9 70 3 5 56 1 70 3 5 2 58 1 70 3 5 8 3 64 4 70 52 6 60 2 55 1 60 8 3 63 0 70 3 5 57 0 70 3 5 2 59 5 70 3 5 8...

Page 34: ...NSIONS VERTICAL DISCHARGE TOP VIEW 21 60 7 48 22 NOTE 15 ton models have 3 fans 20 ton models have 4 fans 25 ton models have 5 fans Model A B C D 15 Ton 133 7 8 88 1 2 51 11 16 5 5 32 20 Ton 25 Ton 13...

Page 35: ...ITIONAL DEVICES IN SERIES PLUG IN JUMPER PLUG AT THE LAST SAFETY DEVICE INSTALLED IF A THIRD PARTY SAFETY DEVICE IS FIELD INSTALLED CUT WIRE ON THE JUMPER PLUG AND WIRE IT IN SERIES WITH THE SAFETY CI...

Page 36: ...TAP AT THE FACTORY AND BLACK WIRES TO COM TERMINAL FOR 208V SUPPLY POWER MOVE RED WIRES FROM 240V TAP TO THE 208V TAP SEE CONTROL DIAGRAM FOR CONTROL TRANSFORMER LOW VOLTAGE CONNECTIONS OPTIONAL FACTO...

Page 37: ...ITIONAL DEVICES IN SERIES PLUG IN JUMPER PLUG AT THE LAST SAFETY DEVICE INSTALLED IF A THIRD PARTY SAFETY DEVICE IS FIELD INSTALLED CUT WIRE ON THE JUMPER PLUG AND WIRE IT IN SERIES WITH THE SAFETY CI...

Page 38: ...H VOLTAGE CONNECTIONS RED WIRES CONNECTED TO 240 460 575V TAP AT THE FACTORY AND BLACK WIRES TO COM TERMINAL FOR 208V SUPPLY POWER MOVE RED WIRES FROM 240V TAP TO THE 208V TAP ON BOTH TRANSFORMERS SEE...

Page 39: ...IES PLUG IN JUMPER PLUG AT THE LAST SAFETY DEVICE INSTALLED IF A THIRD PARTY SAFETY DEVICE IS FIELD INSTALLED CUT WIRE ON THE JUMPER PLUG AND WIRE IT IN SERIES WITH THE SAFETY CIRCUIT FOR HIGHER TORQU...

Page 40: ...CTED TO 240 460 575V TAP AT THE FACTORY AND BLACK WIRES TO COM TERMINAL FOR 208V SUPPLY POWER MOVE RED WIRES FROM 240V TAP TO THE 208V TAP ON BOTH TRANSFORMERS SEE CONTROL DIAGRAM FOR CONTROL TRANSFOR...

Page 41: ...ORMER LINE VOLTAGE CONNECTIONS V2 V1 TB1 AG TB1 ALM ALM CFS TB1 CFS TB1 XS2 TB1 XS2 RSS TB1 RSS TB1 XS2 TB1 LDS LDS TB1 XS2 TB1 AG TB1 CO2 CO2 VIN COM VOUT TB1 AG TB1 IAH TB1 XS2 VIN IAH COM VOUT 1 2...

Page 42: ...FOR CONTROL TRANSFORMER LOW VOLTAGE CONNECTIONS OPTIONAL FACTORY INSTALLED EQUIPMENT NOTES BC BLOWER CONTACTOR BM BLOWER MOTOR CB CIRCUIT BREAKER CC COMPRESSOR CONTACTOR CCH CRANKCASE HEATER CCX COMPR...

Page 43: ...ORMER LINE VOLTAGE CONNECTIONS V2 V1 TB1 AG TB1 ALM ALM CFS TB1 CFS TB1 XS2 TB1 XS2 RSS TB1 RSS TB1 XS2 TB1 LDS LDS TB1 XS2 TB1 AG TB1 CO2 CO2 VIN COM VOUT TB1 AG TB1 IAH TB1 XS2 VIN IAH COM VOUT 1 2...

Page 44: ...TAP ON BOTH TRANSFORMERS SEE CONTROL DIAGRAM FOR CONTROL TRANSFORMER LOW VOLTAGE CONNECTIONS FUSE BLOCKS ARE OPTIONAL FACTORY INSTALLED EQUIPMENT BK OR RD BK RD OR BK RD OR BK OR RD OR BK F1 F1 F1 F2...

Page 45: ...R LINE VOLTAGE CONNECTIONS V2 V1 TB1 AG TB1 ALM ALM CFS TB1 CFS TB1 XS2 TB1 XS2 RSS TB1 RSS TB1 XS2 TB1 LDS LDS TB1 XS2 TB1 AG TB1 CO2 CO2 VIN COM VOUT TB1 AG TB1 IAH TB1 XS2 VIN IAH COM VOUT 1 2 3 6...

Page 46: ...CONTROL DIAGRAM FOR CONTROL TRANSFORMER LOW VOLTAGE CONNECTIONS FUSE BLOCKS ARE OPTIONAL 1 2 4 3 BK OR RD BK RD OR BK RD OR BK OR RD F1 F1 F1 F2 F2 F3 F3 F3 POWER WIRING DIAGRAM DFC300 LINE VOLTAGE 20...

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Page 52: ...form on the following link https daikincomfort com contact us You can also scan the QR code on the right to be directed to the feedback page Our continuing commitment to quality products may mean a c...

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