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York D1EE User's Manual

1. TABLE OF CONTENTS General tetti ten sete hee ee tek esa d 1 MAINTENANCE E 1 1 Normal Maintenance sscan 14 Approvals da erepti eee aah e Beads eoo ge dave 1 TABLES eise 2 No Description Page 1 Unit Application 3 LIMITATIONS 2 rore ide nee ees 2 Physical Data tierce tienes 4 Location i 3 Blower Perf 3 5 Ton Direct Drive 8 and Handling 3 4 Blower Perf 3 amp 4 Ton Belt Drive 9 M 5 Blower Perf 5 Ton Belt Drive 10 DUCIWORK T m Filters 6 Static 11 Condensate Drain 7 Motor and Drive Data Belt Drive 11 SEIVICE ACCESS ces rini tria 8 Electrical Data Direct Drive 11 Become 4 9 Electrical Data Belt Drive 11 Power and Control Wiring esee 4 10 Heat Anticipator Setting 12 Blower Speed Selection 11 Motor Pulley 13 GCOMPFESSONS Optional Economizer Rain Hood FIGURES Disconnect Switch Bracket For Optional Belt Drive 6 Electric Heaters a d ete eet eee 8
2. 035 12046 003 A 0204 TABLE 5 SUPPLY AIR PERFORMANCE 5 TON w Belt Drive Blower 5 TON GAS HEAT VALUES SHOWN 230 460 575 VOLTS Side Duct Connections Available External Static Pressure IWG UNIT SIZE 0 30 0 40 0 50 0 60 0 70 0 80 MBH RPM Watts RPM Watts RPM Watts RPM Watts RPM Watts RPM Watts 1077 1590 1095 1630 1114 1650 1134 1660 1158 1685 1181 1720 1054 1470 1074 1525 1094 1560 1116 1595 1140 1620 1167 1640 1024 1275 1049 1370 1069 1440 1090 1475 1116 1505 1142 1535 1002 1170 1022 1190 1044 1250 1066 1350 1090 1410 1117 1440 957 1070 983 1080 1010 1100 1039 1160 1064 1260 1092 1340 060 908 975 941 1000 976 1020 1009 1050 1040 1100 1070 1225 894 885 940 940 980 980 1014 1020 1047 1095 855 815 903 860 950 905 988 940 1022 970 B 884 815 925 850 964 880 1001 910 864 770 908 805 948 835 987 870 S 882 740 926 780 965 830 UNIT Available External Static Pressure IWG SIZE 1 00 1 10 1 20 1 30 1 40 1 50 MBH RPM Watts RPM Watts RPM Watts RPM Watts RPM Watts RPM Watts 1202 1620 1180 1530 3 E 2 E 1155 1425 1190 1475
3. gt 060 1133_ 1340 1169 1385 1205 1445 1110 1240 1143 1280 1178 1330 1222 1375 E 1090 1135 1122 1190 1158 1240 1196 1295 1071 1030 1103 1100 1134 1140 1164 1175 1197 1205 1056 965 1088 1035 1118 1065 1145 1105 1170 1130 1198 1150 1038 880 1070 925 1101 980 1130 1045 1158 1075 1184 1110 NOTE FOR 208 VOLTS MULTIPLY VALUES BY 0 95 INCLUDES ALLOWANCES FOR A WET EVAPORATOR COIL 1 FILTERS AND GAS FIRED HEAT EXCHANGERS REFER TO THE STATIC RESISTANCES TABLE FOR RESISTANCE VALUES ON APPLICATIONS OTHER THAN GAS ELECTRIC UNITS WITH SIDE DUCT AIRFLOWS 10 Unitary Products Group 035 12046 003 A 0204 TABLE 6 STATIC RESISTANCES EXTERNAL STATIC PRESSURE DROP RESISTANCE IWG DESCRIPTION CFM 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 Economizer 0 08 0 09 0 11 0 13 0 15 0 17 0 20 0 23 0 26 0 30 Electric Heaters 5 15 KW 0 05 0 06 0 07 0 08 0 10 0 12 0 14 0 16 0 19 0 22 20 30 KW 0 07 0 08 0 09 0 11 0 13 0 15 0 17 0 20 023 026 Bottom Duct Connections 0 07 0 08 0 09 0 10 0 11 0 12 0 14 0 16 0 19 0 22 Cooling Only 0 10 0 12 0 14 0 16 0 18 0 20 0 23 0 26 029 0 32 Deduct these resistance values
4. 847 640 880 680 916 730 UNIT Available External Static Pressure IWG SIZE a rs 1 00 1 10 1 20 1 30 1 40 1 50 MBH RPM Watts RPM Watts RPM Watts RPM Watts RPM Watts RPM Watts 2000 1900 1800 1102 1180 1700 1081 1115 1121 1140 036 1600 1060 1050 1100 1085 1500 1044_ 995 1086 1035 1400 1024 920 1067 965 1107 1000 1300 1010 870 1053 920 1099 960 1200 992 815 1034 855 1080 905 NOTE FOR 208 VOLTS MULTIPLY VALUES BY 0 95 INCLUDES ALLOWANCES FOR A WET EVAPORATOR COIL 1 FILTERS AND GAS FIRED HEAT EXCHANGERS REFER TO THE STATIC RESISTANCES TABLE FOR RESISTANCE VALUES ON APPLICATIONS OTHER THAN GAS ELECTRIC UNITS WITH SIDE DUCT AIRFLOWS 4 TON GAS HEAT VALUES SHOWN 230 460 575 VOLTS Side Duct Connections Available External Static Pressure IWG UNIT SIZE ad 0 20 0 30 0 40 0 50 0 60 0 70 0 80 MBH RPM Watts RPM Watts RPM Watts RPM Watts RPM Watts RPM Watts RPM Watts 2000 843 860 880 925 919 1005 956 1065 993 1145 1030 1195 1067 1235 1900 817 775 854 850 893 920 930 995 970 1065 1008 1125 1046 1170 1800 790 700 828 760
5. DISCONNECT r 8 DISCONNECT X x ro Eo SINGLE LOW E oe pou d LN ee IOLO ra zd eee UIS A 7777407097 O i 22 POWER GROUND ee taane do 0 t5 POWER GROUND RENE NETS e SUPPLY LUG i SUPPLY LUG Le Stee 4 REFER TO THE APPROPRIATE ELECTRICAL DATA TABLE TO SIZE THE DISCONNECT SWITCH OVERCURRENT PROTECTION AND WIRING CONTROL WIRING COOLING ONLY 24 VOLT THERMOSTAT COOLING ONLY 24 VOLT THERMOSTAT THERMOSTAT UNIT TERMINAL TERMINALS STRIP TB1 e1 0 24 VOLT TRANSFORMER Of F 124 VOLT THERMOSTAT 2TH07701024 IF THE UNIT HAS AN ECONOMIZER REMOVE JUMPER J1 FROM TERMINALS 8 AND 10 ON THE RELAY BOARD TO PREVENT SIMULTANEOUS OPERATION OF THE COMPRESSOR AND THE ECONOMIZER IF YOU WANT TO CONTROL THE ECONOMIZER ON A SECOND STAGE OF COOLING USE THE THERMOSTAT 2TH04701224 COOLING HEATING ELECTRONIC THERMOSTAT THERMOSTAT TERMINALS UNIT TERMINAL ABD RC STRIP TB1 24 VOLT TRANSFORMER JUMPER N ADD JUMPER A2 T T TO REMOTE SENSOR 2TH040702224 IF USED 1 ELECTRONIC PROGRAMMABLE THERMOSTAT 2ET04700224 INCLUDES SUBBASE SECOND STAGE COOLING IS NOT REQUIRED ON UNITS LESS ECONOMIZER SECOND STAGE HEATING IS ONLY REQUIRED ON UNITS WITH A TWO STAGE ELECTRIC HEATER REMOVE JUMBER J2 FROM TERMINALS 4 AND 9 ON JUMPER PLUG
6. SUNLINE 2000 ELECTRIC ELECTRIC SINGLE PACKAGE AIR CONDITIONERS Supersedes 035 12046 002 A 0302 MODELS D1EE 048 amp 060 and D2EE 036 11 SEER ud YORK INSTALLATION INSTRUCTION 035 12046 003 A 0204 GENERAL Maus pim vir single air e 530 18 N1 2V Economizer Accessory esigned for outdoor installation on a rooftop or a slab Electric heaters are available as field installed accessories e 530 18 N1 13V Man Outdoor Air Damper Accy 0 35 e 530 18 N1 14V Man Outdoor Air Damper Accy 0 100 The units are completely assembled on rigid permanently e 530 18 N1 12V Motorized Outdoor Air Damper Accy attached base rails All piping refrigerant charge and electrical wiring is factory installed and tested The units require only 530 18 N1 8V Coil Guard electric power and duct connections atthe point of installation 530 18 N7 1V Electric Heater Accessory The electric heaters have nickel chrome elements and utilize FUSE Block Accessory single point power connection e 690 15 N25V Low Ambient to 0 F INSPECTION Renewal Parts As soon as a unit is received it should be inspected for possible e Refer to Parts Manual for complete listing of replacement damage during transit If damage is evident the extent of the parts on this equipment damage should be noted on the carrier s freight bill A separate All forms referenced in this instruction may be ordered from
7. 867 840 906 905 944 980 985 1040 1025 1100 1700 802 670 840 745 881 815 920 900 961 970 1001 1030 048 1600 818 665 858 740 898 820 940 890 980 950 1500 842_ 695 882 755 922 835 962 895 1400 833 650 867 705 904 765 942 820 1300 858 665 893 725 932 785 1200 847 640 880 680 916 730 UNIT Available External Static Pressure IWG SIZE i cid 0 90 1 00 1 10 1 20 1 30 1 40 1 50 MBH RPM Watts RPM Watts RPM Watts RPM Watts RPM Watts RPM Watts RPM Watts 2000 1103 1270 z z z 1900 1085 1210 2 2 2 2 1800 1064 1145 1102 1180 1700 1040 1075 1081 1115 1121 1140 048 1600 1020 1005 1060 1050 1100 1085 1500 1003 945 1044 995 1086 1035 1400 982 880 1024 920 1067 965 1107 1000 1300 970 835 1010 870 1053 920 1099 960 1200 953 780 992 815 1034 855 1080 905 NOTE FOR 208 VOLTS MULTIPLY VALUES BY 0 95 INCLUDES ALLOWANCES FOR A WET EVAPORATOR COIL 1 FILTERS AND GAS FIRED HEAT EXCHANGERS REFER TO THE STATIC RESISTANCES TABLE FOR RESISTANCE VALUES ON APPLICATIONS OTHER THAN GAS ELECTRIC UNITS WITH SIDE DUCT AIRFLOWS Unitary Products Group
8. 035 12046 003 A 0204 Direct Drive Units FIELD SUPPLIED DISCONNECT SWITCH LOCATION FILTER ACCESS POX ACCESS DU c 32 ty po 7 56 p LI CNN FRONT VIEW IN A 3 PVC FEMALE COND DRA See Detail A BOTTOM SUPPLY amp RETURN AIR OPENINGS SEE NOTE CONTROL WIRING ENTRY 8 BLOWER ACCESS CLEARANCES Front 24 12 Less Economizer Back 36 With Economizer or Fixed Air Motorized Air Damper Left Side Filter Access 24 Less Economizer 36 With Economizer Right Side Cond Coil 24 Below Unit 0 42 72 For Condenser Air Above Unit Discharge NOTE Units and ductwork are approved for zero clearance to combustible materials when equipped with electric heaters Units may be installed on combustible floors made from wood or class A B or C roof covering material Applicable in USA only Units must be installed outdoors Overhanging structures or shrubs should not obstruct the outdoor coil nor the fan outlet 27 19 DETAIL A 34 CONDENSATE DRAIN must be trapped 2 44 1934 UNIT WITH ECONOMIZER RAIN HOOD ACCESS FILTER ACCESS BLOWER MOTOR ACCESS FIELD SUPPLIED LOCATION Shipped attached to the blower housing inside the blower compartment WIRING ENTRY See Detail B CONTROL BOX ACCESS DISCONNECT SW
9. AMPS AMPS AMPS 208 230 1 60 187 253 16 7 87 2 8 4 4 27 5 40 40 036 208 230 3 60 187 253 13 1 110 2 8 4 4 23 1 35 35 460 3 60 414 504 6 7 54 1 4 2 2 12 0 15 15 575 3 60 518 630 5 1 44 1 4 2 2 10 7 15 208 230 1 60 187 253 18 7 135 2 8 5 0 38 6 60 60 048 208 230 3 60 187 253 11 9 130 2 8 5 0 25 7 40 40 460 3 60 414 504 6 3 64 0 1 4 2 2 13 2 20 20 575 3 60 518 630 4 9 52 0 1 4 2 2 11 4 15 208 230 1 60 187 253 32 1 169 2 8 6 6 49 0 80 80 060 208 230 3 60 187 253 19 3 123 2 8 6 6 33 0 50 50 460 3 60 414 504 10 0 62 1 4 3 3 17 2 25 25 575 3 60 518 630 7 9 50 1 4 3 3 14 6 20 NOTES 1 Utilization Range A in accordance with ARI Standard 110 2 Dual element time delay type TABLE 9 ELECTRICAL DATA Units w Belt Drive Blower Motor VOLTAGE SUPPLY MAX MAX LIMITATIONS COMPRESSOR COND AIR TOTAL FUSE HACR MODEL POWER SUP FAN UNIT SEE NOTE 1 BLOWER SIZE BREAKER DEE PLY MOTOR AMPACITY MOTOR SEE NOTE 2 SIZE MIN MAX RLA LRA FLA FLA AMPS AMPS AMPS 208 230 1 60 187 253 16 7 87 2 3 7 6 30 7 45 45 036 208 230 3 60 187 253 13 1 110 2 3 5 3 23 9 35 35 460 3 60 414 504 6 7 54 1 4 2 6 12 4 20 20 575 3 60 518 630 5 1 44 1 4 2 0 9 8 15 15 208 230 1 60 187 253 18 7 135 2 3 8 6 42 6 60 60 048 208 230 3 60 187 253 11 9 130 2 3 5 2 26 3 40 40 460 3 60 414 504 6 3 64 0 1 4 2 6 14 3 20 20 575 3 60 518 630 4 9 52 0 1 4 2 0 11 4 15 15 208 230 1 60 187 253 32 1 169 2 3 8 6 51 0 80 80 060 208 230 3 60 187 253 19 3 123 2 3 6 0 32 4 50 50 460 3 6
10. No Description Page OPERATION 1 Center of Gravity 2 Recommended Drain Piping 4 Cooling System 12 3 Economizer Rain Hood Assembly 5 Preliminary Operation Cooling cr T 12 4 Typical Field Wiring 6 Cooling Sequence of Operation 12 5 Dimensions and Clearances 7 Safety CONO Siasea ieina a 12 Heating Sequence of Operation 12 6 Enthalpy Setpoint Adjustment 8 Heat Anticipator 12 7 Belt Adjustment sene 13 Checking Supply Air CFM 13 8 Press Drop versus Supply Air CFM 13 Secure Owner s 14 PRODUCT NOMENCLATURE D 1 01316 2 5 PRODUCT CATEGORY VOLTAGE CODE D Single Package Air Conditioner 06 208 230 1 60 Air Cooled 25 208 230 3 60 46 460 3 60 58 575 3 60 PRODUCT GENERATION 1 New or Current FACTORY INSTALLED 2 Second Generation HEAT NOMINAL COOLING A Cooling Only PRODUCT IDENTIFIER CAPACITY EE Cooling O48 4 Ton 060 5 Ton 2 Unitary Products Group 035 12046 003 A 0204 INSTALLATION LIMITATIONS These units must be installed in accordance with the current edition of the following national and local safety codes In USA 1 Na
11. from the available external static pressure shown in the respective Blower Performance Table Add these resistance values to the available static resistance in the respective Blower Performance Table The pressure thru the economizer is greater for 100 outdoor air than for 100 return air If the resistance of the return air duct system is less than 0 25 IWG the unit will deliver less CFM during full economizer operation TABLE 7 MOTOR AND DRIVE DATA Belt Drive Blower ADJUSTABLE FIXED BLOWER MOTOR MOTOR PULLEY BLOWER PULLEY BELT MODEL WRPW mew FRAME service BORE ye BORE LENGTH DESIG SIZE FACTOR in in in in fe NATION DEE036 790 1120 1 1 2 1725 56 1 15 2 4 3 4 7 8 5 7 1 37 3 A36 DEE048 790 1120 1 1 2 1725 56 1 15 2 4 3 4 7 8 5 7 1 37 3 A36 DEEO60 850 1220 1 1 2 1725 56 1 15 2 4 3 4 7 8 5 2 1 37 3 A36 AII motors have solid bases and are inherently protected These motors can be selected to operate into their service factor because they are located in the moving air upstream of any heating device TABLE 8 ELECTRICAL DATA Units w Direct Drive Blower Motor VOLTAGE COND SUPPLY TOTAL MAX MAX LIMITATIONS COMPRESSOR AIR FUSE HACR MODEL POWER SUP FAN UNIT SEE NOTE 1 BLOWER SIZE BREAKER DEE PLY MOTOR AMPACITY MOTOR SEE NOTE 2 SIZE MIN MAX RLA LRA FLA FLA
12. 0 414 504 10 0 62 1 4 3 0 16 9 25 25 575 3 60 518 630 7 9 50 1 4 2 4 13 7 20 20 NOTES 1 Utilization Range A in accordance with ARI Standard 110 2 Dual element time delay type Unitary Products Group 11 035 12046 003 A 0204 OPERATION The heaters are wired for a single point power supply Power supply need only be brought into the single point terminal block and thermostat wiring to the low voltage terminal strip located in the upper portion of the unit control box Fuses are supplied where required by the factory Some KW sizes require fuses and others do not Refer to the accessory instruction for electrical data COOLING SYSTEM The cooling section is a complete factory package utilizing an air cooled condenser The system is factory charged with Refrigerant 22 The compressor is hermetically sealed and internally sprung The compressors have inherent internal protection If there is an abnormal temperature rise in the compressor the protector will open to shut down the compressor PRELIMINARY OPERATION COOLING After the installation has been completed the crankcase heater of the compressor must be energized for at least 4 hours before starting the unit After this initial warm up the compressor should be given three false starts energized just long enough to make a few revolutions with a 5 minute delay between each start before being put into full time service NOTE Prior to each cooling season the cr
13. 0 850 4 842 856 924 3 904 922 998 2 966 988 1072 1 1028 1054 1246 0 1090 1120 1220 Pulley can be adjusted in half turn increments the speed for the supply air blower can be determined from the static resistance and blower performance data on Tables 3 thru 6 Knowing the required blower RPM and the blower motor HP the speed setting for the direct drive supply air motor can be determined CAUTION Procedure for adjusting belt tension Loosen nut D from the motor mount Never loosen nuts C from each other while loosening nut D Adjust the tension by turning bolt B Do not loosen the four nuts top and bottom A unless additional tensioning distance is required immediately re tighten these bolts if loosened 5 Use a belt tension checker to apply a perpendicular force to one belt at the midpoint of the span as shown The deflection force should be applied until a specific deflection distance of 4mm 5 32 obtained To determine the deflection distance from normal position use a straight edge from sheave to sheave as a reference line The recommended deflection force is as follows BOND ET og FOR A NEVER LOOSEN Tension new belts at the max deflection force recommended for the belt section Check the belt tension at least two times during the first 24 hours of operation Any re tensioning should fall between the min and max deflection force values 6 After adjustin
14. 90 950 1911 920 1828 885 1724 835 1604 798 LOW _ 2150 1020 2100 990 2029 950 1965 910 1905 880 1816 838 1724 800 1644 770 1531 710 NOTE FOR 208 VOLTS MULTIPLY VALUES BY 0 95 INCLUDES ALLOWANCES FOR A WET EVAPORATOR COIL 1 FILTERS AND GAS FIRED HEAT EXCHANGERS REFER TO THE STATIC RESISTANCES TABLE FOR RESISTANCE VALUES ON APPLICATIONS OTHER THAN GAS ELECTRIC UNITS WITH SIDE DUCT AIRFLOWS Unitary Products Group 035 12046 003 A 0204 TABLE 4 SUPPLY AIR PERFORMANCE 3 amp 4 TON w Belt Drive Blower 3 TON GAS HEAT VALUES SHOWN 230 460 575 VOLTS Side Duct Connections Available External Static Pressure IWG UNIT SIZE peg 0 30 0 40 0 50 0 60 0 70 0 80 MBH RPM Watts RPM Watts RPM Watts RPM Watts RPM Watts RPM Watts 2000 880 925 919 1005 956 1065 993 1145 1030 1195 1067 1235 1900 854 850 893 920 930 995 970 1065 1008 1125 1046 1170 1800 828 760 867 840 906 905 944 980 985 1040 1025 1100 1700 802 670 840 745 881 815 920 900 961 970 1001 1030 036 1600 818 665 858 740 898 820 940 890 980 950 1500 842 695 882 755 922 835 962 895 1400 833 650 867 705 904 765 942 820 1300 858 665 893 725 932 785 1200 z
15. CONNECTOR P6 ON UNITS WITH ECONMIZER TERMINALS A1 AND A2 PROVIDE A RELAY OUT PUT TO CLOSE THE OUTDOOR ECONOMIZER DAMPERS WHEN THE THERMOSTAT SWITCHES TO THE SET BACK POSITION FIG 4 TYPICAL FIELD WIRING 6 COOLING HEATING 24 VOLT THERMOSTAT COOLING HEATING 24 VOLT THERMOSTAT THERMOSTAT TERMINALS UNIT TERMINAL STRIP 1 ADD JUMPER Gg 24 VOLT TRANSFORMER 124 VOLT THERMOSTAT 2TH07701024 IF THE UNIT HAS AN ECONOMIZER REMOVE JUMPER J1 FROM TERMINALS 8 AND 10 ON THE RELAY BOARD TO PREVENT SIMULTANEOUS OPERATION OF THE COMPRESSOR AND THE ECONOMIZER IF YOU WANT TO CONTROL THER ECONOMIZER ON A eee g 9906930 SECOND STAGE OF COOLING OR HAVE AND ELECTRIC HEAT ACCESSORY WITH TWO STAGES OF HEAT USE THERMOSTAT 2TH0471024 COOLING HEATING ELECTRONIC THERMOSTAT COOLING HEATING ELECTRONIC THERMOSTAT SINGLE STAGE THERMOSTAT TERMINALS UNIT TERMINAL BH STRIP TB1 A RC R ADD Y Y1 JUMPER Ww wi G G B 24 VOLT TRANSFORMER ELECTRONIC PROGRAMMABLE THERMOSTAT 2ET07701024 INCLUDES SUBBASE IF THIS UNIT HAS AND ECONOMIZER REMOVE JUMPER J1 FROM TERMINALS 8 AND 10 ON THE RELAY BOARD TO PREVENT SIMULTANEOUS OPERATION OF THE COMPRESSOR AND THE ECONOMIZER IF YOU WANT TO CONTROL THE ECONOMIZER ON A SECOND STAGE OF COOLING USE THERMOSTAT 2 704700224 Unitary Products Group
16. DEEP 3 3 5 Ton 610 EVAFORATOR FINS PER INCH 13 13 ACCESSORIES OPTIONS FACE AREA Sq Ft 4 8 5 1 E 5 7 KW 18 i ectric Heat CONDENSER PROPELLER DIA in 22 22 Electric Heat 19 15 KW E FAN FAN MOTOR HP 2 j 20 30KW 28 NOM CFM TOTAL 4 200 4 500 EENS 2 2 CONDENSER FINS PER INCH 18 18 Motorized Outdoor 26 per FACE AREA Sq Ft 17 1 174 Air Damper AIR QUANTITY PER UNIT 15 x 20 x 1 2 2 E 10 FILTERS QUANTITY PER UNIT 14 X 25 X 1 1 1 ir Damper SEE NOTE TOTAL FACE AREA sq ft 6 6 6 6 Roof Mounting Curb 92 CHARGE REFRIGERANT 22 Ibs oz 9 8 9 8 Belt Drive Blower 5 COMPRESSOR QUANTITY PER UNIT HERMETIC TYPE 1 RECPT 1 SCROLL NOTE Filter racks are adapted for 1 or 2 thick filters Unitary Products Group 035 12046 003 A 0204 All direct drive units with 460 and 575 voltage are shipped with the wire labeled 116 connected to the HIGH speed tap on the blower motor Ifthe medium speed is required connect wire 116 to the MED speed tap and the blue motor lead to the HIGH speed tap If the low speed is required connect wire 116 to the LOW speed tap the blue motor lead to the HIGH speed tap and the orange motor lead to the MED speed tap COMPRESSORS On some units the compressor is mounted on springs which have been tightened down for shipment only After this unit is installed back out the compressor bolts until the sleeve clears the top grommet CAUTION Do Not loosen comp
17. HOLE SIZE USED FOR DIA Control Wiring A 7 8 Side or Bottom Power Wiring B 2 Side or Bottom Knockouts in the bottom of the unit can be located by the slice in the insulation Do not remove the 2 knockout ring E B 1 35 bubus 2 ARIS 8 AT 44 1 AX DETAIL B UNIT WITH FIXED OUTDOOR AIR MOTORIZED DAMPER RAIN HOOD CONTROL POINT APPROX DEG AT 50 RH 73 123 70 21 67 19 63 17 CONTROL CURVE A B c D 50 55 Hop 3I 45 15 45 7 b 0 6 115 5 18 5 035 12046 003 A 0204 85 90 95 29 5 32 35 00 105 110 38 140 5 43 5 RELATIVE HUMIDITY 70 75 80 85 90 95 100 105 21 24 126 5 29 5 32 35 381 40 5 DRY BULB TEMPERATURE APPROXIMATE FAHRENHEIT CELSIUS FIG 6 ENTHALPY SET POINT ADJUSTMENT Install the bracket on the left hand side of the unit as shown in Figure 5 Several existing screws at the top of the unit and one screw approximately midway down from the top will be used for mounting the bracket Screws should be loosened only NOT REMOVED Matching holes in the bracket have elongated keyways allowing easy installation Re tighten screws after bracket is in place to ensure panels will remain leak tight ELECTRIC HEATERS Electric heaters are available as field installed accessories Refer to Form 530 18 N7 1V for installation instruction These UL a
18. ITCH LOCATION UNIT WITH BELT DRIVE OPTION UNIT BASE WITH RAILS Shown separately to illustrate bottom duct openings and power connection locations NOTE For curb mounted units refer to the duct hanger dimensions of the curb for the proper size of the supply and return air duct connections DUCT COVERS Units are shipped with all air duct openings covered For side duct applications 1 Remove and discard the supply and return air duct covers 2 Connect ductwork to duct flanges on the rear of the unit For bottom duct applications 1 Remove the side supply air duct cover to gain access to the bottom supply air knockout panel 2 Remove and discard the bottom knockout panel 3 Replace the side duct cover 4 With filter section access panel removed from the unit remove and discard the bottom return air knockout panel 5 Replace the filter access panel 17 REAR VIEW SIDE SUPPLY AND RETURN AIR OPENINGS AIR FLOW LEGEND gt RETURN AIR SUPPLY AIR 307 OUTDOOR AIR 2 OUTDOOR AIR 19 Economizer DIMENSION A FIXED OUTDOOR 12 AIR DAMPER MOTORIZED 16 DAMPER FIG 5 DIMENSIONS amp CLEARANCES 3 5 TONS Unitary Products Group All dimensions are in inches They are sub ject to change without notice Certified di mensions will be provided upon request UTILITIES ENTRY DATA KNOCKOUT
19. ankcase heater must be energized at least 10 hours before the system is put into operation COOLING SEQUENCE OF OPERATION Single Stage Cooling When the thermostat calls for cooling R is closed to and Y1 wiring schematic which completes the low voltage control circuit immediately energizing the compressors condenser fan motor and blower motor simultaneously Two Stage Cooling A two stage cooling thermostat may be used if the unit has an economizer First stage cooling is provided by the economizer if the outdoor air enthalpy is acceptable and second stage cooling is provided by the compressor Jumper wire J1 must be removed Refer to unit wiring diagram After the thermostat is satisfied and opens the blower will continue to run for a short time All other components will stop SAFETY CONTROLS The refrigerant system is equipped with the following safety controls 1 ASuction Line Freezestat to protect against low evaporator temperatures due to a low air flow or a low return air tem perature 2 AHigh Pressure Cutout Switch to protect against excessive discharge pressures due to a blocked condenser coil or a condenser motor failure 3 ALow Pressure Loss of Charge Switch to protect against loss of refrigerant charge If either of the above safety controls opens the refrigerant system will be locked out The lock out of the system can be 12 reset by opening the 24V circuit eit
20. are must be exercised while turning both the set point and minimum position adjusting screws to prevent twisting them off 9 The enthalpy set point for the dampers may now be set by selecting the desired set point from graph in Figure 6 Fora single enthalpy economizer carefully turn the set point adjusting screw to the A B or D setting corresponding to the lettered curve For a dual enthalpy economizer carefully turn the set point adjusting screw fully clockwise past the D setting FILTER SECTION ACCESS PANEL ane SIDE DUCT m APPLICATION SHOWN FIG 3 ECONOMIZER RAIN HOOD ASSEMBLY OPTION Unitary Products Group 10 To check that the damper blades move smoothly without binding carefully turn the minimum position adjusting screw fully clockwise and then energize and de energize terminals R to G With terminals R to G energized turn the minimum position screw counterclockwise until the desired minimum position has been attained 11 Replace the filter section access panel 035 12046 003 A 0204 DISCONNECT SWITCH BRACKET FOR UNITS WITH OPTIONAL BELT DRIVE BLOWER A special bracket for mounting a field supplied disconnect switch is provided in each unit ordered with an optional belt drive supply air blower The bracket is shipped inside the blower compartment taped to the top of the blower housing POWER WIRING CONTACTOR CONTACTOR Sy FIELD SUPPLIED d b FIELD SUPPLIED
21. fstructures must be able to support the weight of the unit and its options and or accessories Unit must be installed on a solid level roof curb or appropriate angle iron frame CAUTION If a unit is to be installed on a roof curb or special frame other than a YORK roof curb gasketing must be applied to all surfaces that come in contact with the unit underside 5 Maintain level tolerance to 1 2 maximum across the entire length or width of the unit 6 Elevate the unit sufficiently to prevent any blockage of the air entrances by snow in areas where there will be snow ac cumulation Check the local weather bureau for the ex pected snow accumulation in your area RIGGING AND HANDLING Exercise care when moving the unit Do not remove any packaging until the unit is near the place of installation Rig the Unitary Products Group unit by attaching chain or cable slings to the lifting holes provided in the base rails Spreaders whose length exceeds the largest dimension across the unit MUST 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 be moved or lifted with a forklift Slotted openings in the base rails are provided for this purpose LENGTH OF FORKS MUST BE A MINIMUM OF 42 Remove the nesting brackets from the four corners on top of the unit All screws that are removed when taking these brackets off mus
22. g re tighten nut D against the motor mount taking care not to loosen nuts C FIG 7 BELT ADJUSTMENT The setting turns open for the optional belt drive supply air motor pulley can be determined from Table 11 OPTIONAL BELT DRIVE BLOWER All units with belt drive blowers have single speed motors The variable pitch pulley on the blower motor can be adjusted to Unitary Products Group obtain the desired supply air CFM Refer to Table 7 for blower motor and drive data The tension on the belts should be adjusted as shown in Figure 7 Start the supply air blower motor Adjust the resistances in both the supply and the return air duct systems to balance the air distribution throughout the conditioned space The job specifications may require that this balancing be done by someone other than the equipment installer To check the supply air CFM after the initial balancing has been completed 1 Remove the two 5 dot plugs from the holes located on the filter access panel side of the unit 2 Insert at least 8 of 1 4 inch tubing into each of these holes for sufficient penetration into the air flow on both sides of the evaporator coil NOTE The tubes must be inserted and held in a position perpendicular to the air flow so that velocity pres sure will not affect the static pressure readings 3 Using aninclined manometer determine the pressure drop across a dry indoor coil Since the moisture on an indoor coil may var
23. her at the room thermostat or at the unit disconnect HEATING SEQUENCE OF OPERATION The following sequence of operation is based on using a standard single stage or two stage heating thermostat WITH POWER TO UNIT AND THERMOSTAT IN THE HEATING MODE Single Stage Heating a If the fan switch is in the ON position the evaporator blower motor relay BR will be energized through terminal G to provide continuous blower operation If the fan switch is inthe AUTO position the blower will operate only when there is a call for heating by the thermostat b Uponacallfor heat by the thermostat the first stage of heat will be energized Sequencer 1S or contactor 2M is al ways the first and last to complete its timing cycle and con trols power to the evaporator blower motor c The thermostat will cycle the electric heat to satisfy the heating requirements of the conditioned space Two Stage Heating a If the fan switch is the ON position the evaporator blower motor relay BR will be energized through terminal G to provide continuous blower operation If the fan switch is inthe AUTO position the blower will operate only when there is a call for heating by the thermostat b Upon a call for first stage heat by the thermostat the first stage of heat will be energized If the thermostat calls for the second stage of heat the second stage of heat will be energized As before sequencer 1S or contactor 2M main
24. ly lubricated and require no maintenance 14 OUTDOOR COIL Dirt should not be allowed to accumulate on the outdoor coil surface or other parts in the air circuit Cleaning should be as often as necessary to keep coil clean Use a brush vacuum cleaner attachment or other suitable means If water is used to clean coil be sure power to the unit is shut off prior to cleaning NOTE Exercise care when cleaning the coil so that the coil fins are not damaged Do not permit the outdoor air discharge to be obstructed by overhanging structures of shrubs Unitary Products Group 035 12046 003 A 0204 Unitary Products Group 15 C US A 2000 REGISTRA a YORK Heating and Air Conditioning Unitary Products Group 5005 York Drive Norman Oklahoma 73069 Subject to change without notice Printed in U S A 035 12046 003 A 0204 Copyright 2004 by Unitary Products Group All Rights Reserved Supersedes 035 12046 002 A 0302
25. nstallation procedure Color coded insulated wires 18 AWG should be used to connect thermostat to unit See Figure 4 for wiring details TABLE 2 PHYSICAL DATA 035 12046 003 A 0204 NOTE Ifthe unit has an economizer remove jumper J1 from terminals 8 and 10 on the relay board to prevent simul taneous operation of the compressor and the econo mizer If you want to control the economizer on a second stage of cooling use a thermostat with two stages of cooling POWER AND CONTROL WIRING Field wiring to the unit must conform to provisions of the National Electrical Code NEC ANSI NFPA 70 in USA current Canadian Electric Code CEC C22 1 in Canada and or local ordinances The unit must be electrically grounded in accordance with the NEC and CEC as specified above and or local codes Voltage tolerances which must be maintained at the compressor terminals during starting and running conditions are indicated on the unit Rating Plate and Table 1 The wiring harness furnished with this unit is an integral part of a UL design certified unit Field alteration to comply with electrical codes should not be required A disconnect switch should be field provided for the unit The switch must be separate from all other circuits Refer to Figure 5 for installation location If any of the wire supplied with the unit must be replaced replacement wire must be of the type shown on the wiring diagram Electrical lines must be sized properl
26. pproved heaters are located within the central compartment of the unit see Figure 5 for access panel with the heating elements extending into the supply air chamber The heaters are wired for a single point power supply Power supply need only be brought into the single point terminal block TABLE 3 SUPPLY AIR PERFORMANCE 3 THRU 5 TON w Direct Drive Blower GAS HEAT VALUES SHOWN 230 460 575 VOLTS Side Duct Connections UNIT Available External Static Pressure IWG SIZE DEED 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 90 1 00 MBH CEM Watts Watts Watts CEM Watts CEM Watts CEM Watts Watts CEM Watts CEM Watts HI SEN 1699 825 1650 785 1570 755 1430 725 1360 700 1280 680 1180 655 036 MED 1684 800 1631 780 1582 750 1524 720 1410 690 1324 650 1260 630 1185 610 1100 590 LOW 1487 710 1464 690 1421 670 1367 650 1315 620 1246 605 1185 590 1110 570 1020 545 HI 1996 960 1933 936 1868 910 1795 880 1722 845 1635 820 1544 790 1419 765 1300 740 048 MED 1804 838 1765 8101714 785 1650 765 1589 735 1508 705 1407 675 1306 645 1195 625 LOW 1681 7601640 738 1604 715 1541 695 1490 670 1416 645 1337 620 1230 595 1120 575 HI 2400 1155 2338 1125 2274 1095 2167 1045 2096 1010 1990 980 1887 945 1771 905 1629 855 060 MED 2290 1105 2214 1065 2145 1030 2071 990 19
27. request for inspection by the carrier s agent should be made in writing Refer to Form 50 15 NM for additional information Standard Register Toll Free Tel 877 318 9675 Fax 877 379 7920 REFERENCE APPROVALS Additional information on the design installation operation and _ service of this equipment is available in the following reference Design certified by U L and C G A as follows 1 Foruseasa cooling only unit or cooling unit with electric heat e 55 70 N1 General Installation 2 For outdoor installation only e 55 70 N2 Pre start amp Post start Check List 3 For installation on combustible material Installer should pay particular attention to the words NOTE CAUTION and WARNING Notes are intended to clarify or make the installation easier Cautions are given to prevent equipment damage Warnings are given to alert installer that per sonal injury and or equipment damage may result if installation procedure is not handled properly CAUTION THIS PRODUCT MUST BE INSTALLED IN STRICT COMPLIANCE WITH THE ENCLOSED INSTALLATION INSTRUCTIONS AND ANY APPLICABLE LOCAL STATE AND NATIONAL CODES INCLUDING BUT NOT LIMITED TO BUILDING ELECTRICAL AND MECHANICAL CODES WARNING INCORRECT INSTALLATION MAY CREATE A CONDITION WHERE THE OPERATION OF THE PRODUCT COULD CAUSE PERSONAL INJURY OR PROPERTY DAMAGE 035 12046 003 A 0204
28. ressor mounting bolts OPTIONAL ECONOMIZER RAIN HOOD The following procedure should be used when assembling an economizer rain hood onto a unit Refer to Figure 3 The outdoor and return air dampers damper actuator the linkage and all the controls are factory mounted as part of the economizer option All of the hood components including the filters the gasketing and the hardware for assembling are located above the top filter racks within the filter section The outdoor air sensor is in the bag of parts located at the bottom of the return air section 1 With filter section access panel removed take out hood components filters and sensor described above Remove and discard outdoor air opening cover on back unit Upper right hand corner 2 Remove the 1 2 knockout A in the units rear panel lo cated to the right side of the outdoor air opening Insert the two loose wires from inside the unit into the 1 2 bushing provided Insert wires and bushing into knockout Snap bushing into place 3 Mount the outdoor air sensor to the rear panel just below the knockout described in Step 2 Secure with two self drilling screws at dimples B provided in the panel NOTE Sensor must be positioned so that the sensing ports are at the top louvers pointing downward and terminal connections to the right HOOD FILTER COVER GASKET cp EE L H SIDE SS EN FILTERS p FILLPIEC 4 Connect the two wires indica
29. t be replaced on the unit APPROXIM CENTER OF GRAVITY TE 3 5 Ton 19 3 4 40 3 4 FIG 1 CENTER OF GRAVITY Referto Table 2 for unit weights and to Figure 1 for approximate center of gravity CLEARANCES All units require certain clearances for proper operation and service Refer to Figure 5 for the clearances required for combustible construction servicing and proper unit operation WARNING Do not permit overhanging structures or shrubs to obstruct outdoor air discharge outlet DUCTWORK Ductwork should be designed and sized according to the methods in Manual Q of the Air Conditioning Contractors of America ACCA A closed return duct system shall be used This shall not preclude use of economizers or outdoor fresh air intake The supply and return air duct connections at the unit should be made with flexible joints to minimize the transmission of noise The supply and return air duct systems should be designed for the CFM and static requirements of the job They should NOT sized to match the dimensions of the duct connections on the unit CAUTION When fastening ductwork to the side duct flanges on the unit insert the screws through the duct flanges only DO NOT insert the screws through the casing Outdoor ductwork must be insulated and water proofed Refer to Figure 5 for information concerning side and bottom supply and return air duct openings FILTERS 1 filters are s
30. tains control of the evaporator blower c The thermostat will cycle the electric heat to satisfy the heating requirements of the conditioned space CONTINUOUS BLOWER Continuous blower operation is possible by closing the R to G circuit on the thermostat TABLE 10 HEAT ANTICIPATOR SETTING NOMINAL SETTING AMPS HEATER SIZE VOLTAGE TH2 KW 5 0 16 7 0 35 10 0 35 15 ee 0 35 0 19 20 0 35 0 38 30 0 35 0 38 5 0 35 s 7 0 35 10 0 35 15 ica 0 35 0 19 20 0 35 0 38 30 0 35 0 38 7 0 35 10 0 35 15 480 3 60 0 35 20 0 37 0 29 30 0 37 0 29 10 0 35 15 0 35 20 600 3 60 0 37 0 29 30 0 37 0 29 Unitary Products Group 035 12046 003 A 0204 HEAT ANTICIPATOR SETPOINTS It is important that the anticipator setpoint be correct Too high of a setting will result in longer heat cycles and a greater temperature swing in the conditioned space Reducing the value below the correct setpoint will give shorter ON cycles and may result in the lowering of the temperature within the conditioned space Refer to Table 10 for the required heat anticipator setting CHECKING SUPPLY AIR CFM The speed of the supply air blower will depend on the required CFM the unit accessories and the static resistances of both the supply and the return air duct systems With this information TABLE 11 BELT DRIVE SUPPLY AIR MOTOR PULLEY ADJUSTMENT BLOWER DRIVE RANGE RPM 3 TON 4 TON 5 TON 5 780 79
31. ted in Step 2 to the sensor as follows e Wire 73 to terminal e Wire 74 to terminal S 5 Assemble the LH and RH side plates to the top cover 2 screws each side to form the hood Apply gasketing to the flange surface on each side plate Extend gasketing 1 4 beyond top and bottom of each flange to insure ade quate corner sealing Secure this assembly to the unit back panel upper right hand corner First remove screw C on unit top cover Then slip flange of hood cover in under flange of unit top cover replace screw C engaging hole E in hood flange and tighten Attach the two side plates to the unit panel by using two self drilling screws for each side plate at dimples D provided in the panel 6 Position fillpiece at bottom of hood between the two side plates but do not secure at this time Slotted openings MUST be downward for drainage After fillpiece is properly positioned note where contact is made with the unit panel Remove fillpiece and apply gasket material to this area to provide a seal Reposition fillpiece and secure with 2 Screws 7 Install the two filters into the hood assembly sliding down along retainers on side plates into fillpiece at bottom of hood NOTE Install filters so that Air Flow arrows point toward the unit 8 Install filter cover over the end of the hood with one screw center of hood securing filters into position CAUTION When proceeding with steps 9 and 10 extreme c
32. tional Electrical Code ANSI NFPA No 70 2 Local electric utility requirements In Canada 1 Canadian Electrical Code C22 1 2 Canadian Installation Codes CAN CGA B149 1 and 2 Refer to Table 1 for Unit Application Data If components are to be added to a unit to meet local codes they are to be installed at the dealer s and or the customer s expense Size of unit for proposed installation should be based on heat loss heat gain calculation made according to the methods of Air Conditioning Contractors of America ACCA TABLE 1 UNIT APPLICATION DATA Vol Variat 208 230V 187 253 otage 460V 414 504 Min Max 575V 518 630 Wet Bulb Temperature F of Air on 57 72 Evaporator Coil Min Max Dry Bulb Temperature F of Air on 45 120 Condenser Coil Min Max Utilization range A in accordance with ARI Standard 110 A low ambient accessory is available for operation down to 0 F LOCATION Use the following guidelines to select a suitable location for these units 1 Unit is designed for outdoor installation only 2 Condenser must have an unlimited supply of air Where a choice of location is possible position unit on either north or east side of building 3 For ground level installation a level pad or slab should be used Thethickness and size ofthe pad or slab used should meet local codes and unit weight Do not tie the slab to the building foundation 4 Roo
33. upplied with each unit 2 replacement filters may be used with no modification to the filter racks Filters must always be installed ahead of the evaporator coil and must be 3 kept clean or replaced with same size and type Dirty filters will reduce the capacity of the unit and will result in frosted coils or safety shutdown Minimum filter area and required sizes are shown in Table 2 CONDENSATE DRAIN Plumbing must conform to local codes Use a sealing UNIT CONDENSATE CONNECTION FIG 2 RECOMMENDED DRAIN PIPING compound on male pipe threads Install a condensate drain line from the 3 4 PVC female connection on the unit to spill into an open drain NOTE The condensate drain line MUST be trapped to pro vide proper drainage See Figure 2 SERVICE ACCESS Access to all serviceable components is provided by the following removable panels e Compressor compartment e Heater compartment e Blower compartment e Main control box e Filter compartment e Motor Access on units w belt drive option Refer to Figure 5 for location of these access panels CAUTION Make sure that all screws are replaced on the unit to maintain an air tight seal THERMOSTAT The room thermostat should be located on an inside wall approximately 56 above the floor where it will not be subject to drafts sun exposure or heat from electrical fixtures or appliances Follow manufacturer s instructions enclosed with thermostat for general i
34. y greatly measuring the pressure drop across a wet coil under field conditions would be inaccurate To assure a dry coil the compressors should be de energized 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 Figure 8 0 7 Saaz Sasa 0 6 o 05 n amp 04 503 N x 02 0 1 B CST CT TT TT 750 1250 1750 2250 2750 3250 3750 NOMINAL CFM FIG 8 PRESSURE DROP ACROSS A DRY EVAPORATOR COIL VS SUPPLY AIR CFM WITHOUT AIR FILTERS WARNING Failure to properly adjust the total system air quan tity can result in poor system performance NOTE DE ENERGIZE THE COMPRESSORS BEFORE TAKING ANY TEST MEASUREMENTS TO ASSURE A DRY INDOOR COIL 13 035 12046 003 A 0204 SECURE OWNER S APPROVAL When the system is functioning properly secure the owner s approval Show him the location of all disconnect switches and the thermostat Teach him how to start and stop the unit and how to adjust tem perature settings within the limitations of the system MAINTENANCE NORMAL MAINTENANCE CAUTION Prior to any of the following maintenance proce dures shut off all power to the unit to prevent personal injury FILTERS Inspect once a month Replace disposable or clean permanent type as necessary DO NOT replace permanent type with disposable MOTORS Indoor fan and outdoor fan motors are permanent
35. y to carry the load USE COPPER CONDUCTORS ONLY Each unit must be wired with a separate branch circuit fed directly from the meter panel and properly protected CAUTION When connecting electrical power and control wir ing to the unit waterproof type connectors MUST BE USED so that water or moisture cannot be drawn into the unit during normal operation The above waterproofing conditions will also apply when installing a field supplied disconnect switch Refer to Figure 4 for typical field wiring and to the appropriate unit wiring diagram for control circuit and power wiring information BLOWER SPEED SELECTION Three blower motor speeds are available on the direct drive units The speed selection for the direct drive units is determined by the CFM and ESP requirements of the applications All units with belt drive option have an adjustable motor pulley to achieve the above conditions All direct drive units with 208 230 voltage are shipped with the wire labeled 116 connected to the HIGH speed tap on the blower motor If alower blower motor speed is desired this wire should be moved to the MED or LOW speed tap on the motor for the speed desired MODELS EE 960 WEIGHTS LBS EVAPORATOR CENTRIFUGAL BLOWER Dia x Wd in 12x10 12x10 3T BLOWER FAN MOTOR HP Direct Drive 1 on FAN MOTOR HP Belt Drive 1 5 1 5 Basic Unit 4 Ton 585 ROWS

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