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WARNING

These instructions are intended as an aid to qualified licensed

service personnel for proper installation, adjustment and

operation of this unit. Read these instructions thoroughly before

attempting installation or operation. Failure to follow these

instructions may result in improper installation, adjustment,

service or maintenance possibly resulting in fire, electrical

shock, property damage, personal injury or death.

AIR HANDLERS

FEATURING INDUSTRY STANDARD R-410A REFRIGERANT:

(-)H1P

Standard Efficiency with Aluminum Coil

(-)H1T

High Efficiency with Aluminum Coil

INSTALLATION INSTRUCTIONS

92-20521-110-00

(BASED ON 92-20521-66-09)

Summary of Contents for RH1P1817STANAA

Page 1: ...lation or operation Failure to follow these instructions may result in improper installation adjustment service or maintenance possibly resulting in fire electrical shock property damage personal inju...

Page 2: ...3 1 47 P 4G C I G 99 G A4 2 A 4 G B C C 1 9 5 TA4 9 Z B C F 94 34G B C I J13 9 4G B C J13 Z H C B 4 1 9 4 H C H T 34 W 4 L C L 4 4 4 43 G 6 L C L 4 L C L V1 7 4 9 4 J 4 L C L C _ L C L F 4 Q4G R C L I...

Page 3: ...P4 K Y 9 4 F F I 9319 2943 3 P4 3 5 _QUP F F 43 7 N 9 Z FC F 2G D UG 2 4 9 W 3 4GG1 4 FC F 2G D UG 2943 3 P4 Q4 4 1 4 G4 FC F B 43 4 4 4 FC 9 8 3 00 I _9 Z4 D FF I D 1 3 FF I C _9 Z4 9 FF I F _9 Z4 FI...

Page 4: ...njury or death SEE SECTION 4 0 ELECTRICAL WIRING SEE SECTION 12 5 BLOWER ASSEMBLY REMOVAL REPLACEMENT WARNING Duct leaks can create an unbalanced system and draw pollutants such as dirt dust fumes and...

Page 5: ...health risks when improperly used handled and maintained CAUTION SEE SECTION 3 3 AUXILIARY OVERFLOW PAN In compliance with recognized codes an auxiliary drain pan must be installed under all equipmen...

Page 6: ...warranty Duct leaks can create an unbalanced system and draw pollutants such as dirt dust fumes and odors into the home causing property damage Fumes and odors from toxic volatile or flammable chemic...

Page 7: ...on the delivery documents and a damage claim filed with the delivering carrier After unit has been delivered to the job site remove the unit from the carton taking care not to damage the unit Check th...

Page 8: ...4221STANJA H1P4821STANJA H1P4824STANJA H1P6024STANJA H1P3617STANDA H1P4221STANDA H1P4821STANDA H1P4824STANDA H1P6024STANDA Notes J Voltage 208 240V single phase air handler is designed to be used with...

Page 9: ...SHOWN UNIT MAY BE INSTALLED UPFLOW DOWNFLOW HORIZONTAL RIGHT OR LEFT AIR SUPPLY DIMENSIONAL DATA MODEL SIZE H1P UNIT WIDTH W IN mm SUPPLY DUCT A IN mm NOMINAL CFM L s UNIT WEIGHT SHIPPING WEIGHT LBS...

Page 10: ...e Inches Inches 17 157 8 193 4 21 193 8 193 4 24 227 8 193 4 Return Air Opening Dimensions MODEL SIZE H1T LIQUID REFRIGERANT CONNECTIONS SWEAT IN mm ID VAPOR UNIT WIDTH W IN mm SUPPLY DUCT A IN mm LO...

Page 11: ...NT This product has been designed and manufactured to meet certified AHRI capacity and efficiency ratings with the appropriate outdoor units However proper refrigerant charge proper airflow and refrig...

Page 12: ...e performed safely with nitrogen or a mixture of R 410A and nitrogen 3 1 3 QUICK REFERENCE GUIDE FOR R 410A R 410A refrigerant operates at approximately 60 higher pressure 1 6 times than R 22 Ensure t...

Page 13: ...n the sides of the cabinet for the mounting screws using the provided dimples as guides Note that the shorter coil support rail with no notch must be mounted on the left hand side to provide clearance...

Page 14: ...insulation is caught in lug Tighten lug as tight as possible while holding circuit breaker Check wires and make sure each wire is secure and none are loose Repeat for left wire bundle in left top circ...

Page 15: ...langes are used the attachment of ducting must be insulated and tight to prevent sweating CAUTION Auxiliary horizontal overflow pan kits RXBM or equivalent are required when the unit is configured for...

Page 16: ...ing or a restricted coil drain line See Section 3 3 If an electric heater kit is installed be sure the breaker or disconnect cover is sealed tightly to the door panel 3 2 4 INSTALLATION IN MOBILE MANU...

Page 17: ...in the downflow configuration on a combustible surface The following table should be used to determine these requirements Units with electric heating kW equal to or less than the values listed in the...

Page 18: ...recommended by the type of filter installed One or more return air filter grilles a filter rack attached to unit return air intake or a filter rack installed between a sealed return air platform and t...

Page 19: ...stem with dry nitrogen through the other service valve gauge port and then turn the nitrogen flow off just before brazing is begun Protect the TXV copper to aluminum suction header joint and outdoor u...

Page 20: ...lamp the TXV bulb securely on the vapor line at the 10 to 2 o clock position see Figures 10 and 11 with the strap provided in the parts bag Insulate the TXV sensing bulb and suction line with the prov...

Page 21: ...should be run to a place where it will be noticeable if it becomes operational The building occupant should be warned that a problem exists if water should begin running from the auxiliary drain line...

Page 22: ...red for 208 volt applications to assure full air flow delivery at the reduced voltage This step is not required on H1T air handlers since they have constant torque ECM motors To configure the PSC moto...

Page 23: ...621M 3621H 115 1 60 1 2 300 1100 4 6 8 9 15 4821S 4821M 4824S 3 4 300 1100 4 9 3 12 15 6021S 6024S 3 4 300 1100 4 9 3 12 15 2417S 1 3 300 1100 4 1 6 2 15 3617S 3621M 3621H 208 240 1 3 60 1 2 300 1100...

Page 24: ...1 4 8 MULTIPLE CKT 1 17 3 20 0 2 5 25 29 25 30 3621S RXBH 1724A15J 7 2 9 6 1 60 2 4 8 MULTIPLE CKT 2 34 6 40 0 0 44 50 45 50 RXBH 1724A18J 12 8 17 0 1 60 3 5 68 SINGLE 61 6 70 8 2 5 81 92 90 100 4 3 5...

Page 25: ...BH 24A07D 7 2 3 60 3 2 4 SINGLE 8 7 2 2 14 15 RXBH 24A10D 9 6 3 60 3 3 2 SINGLE 11 6 2 2 18 20 RXBH 24A15D 14 4 3 60 3 4 8 SINGLE 17 3 2 2 25 25 RXBH 24A18D 17 3 60 6 2 84 SINGLE 20 4 2 2 29 30 RXBH 2...

Page 26: ...4 SINGLE 15 0 17 3 5 2 26 29 30 30 RXBH 1724A10C 7 2 9 6 3 60 3 3 2 SINGLE 20 0 23 1 5 2 32 36 35 40 RXBH 1724A15C 10 8 14 4 3 60 3 4 8 SINGLE 30 0 34 6 5 2 44 50 45 50 RXBH 1724A18C 12 8 17 0 3 60 3...

Page 27: ...3 1 60 2 4 17 MULTIPLE CKT 2 30 1 34 7 0 38 44 40 45 RXBH 1724A15J 10 8 14 4 1 60 3 4 8 SINGLE 51 9 60 0 2 8 69 79 70 80 3617S 3 6 4 8 1 60 1 4 8 MULTIPLE CKT 1 17 3 20 0 2 8 26 29 30 30 3621M RXBH 17...

Page 28: ...3 3 2 26 30 RXBH 24A18D 17 3 60 6 2 84 SINGLE 20 4 3 2 30 30 RXBH 24A20D 19 2 3 60 6 3 2 SINGLE 23 2 3 2 33 35 RXBH 24A25D 24 0 3 60 6 4 0 SINGLE 28 8 3 2 40 40 RXBH 1724 05J 3 6 4 8 1 60 1 4 8 SINGLE...

Page 29: ...le NOTES Electric heater BTUH heater watts motor watts x 3 412 see airflow table for motor watts Supply circuit protective devices may be fuses or HACR type circuit breakers Motor load is included in...

Page 30: ...wiring where the breakers apply has been UL approved for short circuit protection Ampacity not breaker size determines supply circuit wire size The ampacity listed on the unit rating plate and the Ma...

Page 31: ...oltage and number of electric heaters to be used Make sure external static applied to unit allows operation within the minimum and maximum limits shown in Section 3 14 1 below for both cooling and ele...

Page 32: ...to prevent it from shorting to ground 3 14 2 2 H1T MODELS CONSTANT TORQUE ECM MOTOR Each H1T model can be matched with 2 different outdoor unit capacities 1 5 2 0 tons 2 5 3 0 tons 3 5 4 0 tons 4 0 5...

Page 33: ...294 283 270 266 915 432 863 407 790 373 953 980 999 326 311 299 1229 580 1201 567 1170 552 1141 538 1104 521 788 833 872 909 951 466 462 427 406 395 1248 589 1194 563 1133 535 1008 1028 1042 488 475...

Page 34: ...615 1944 917 1912 902 1860 878 1813 856 1766 833 764 803 838 865 889 779 763 747 729 708 1965 927 1908 900 1854 875 943 967 977 828 799 795 1844 870 1812 855 1760 831 1713 808 1666 786 839 865 890 913...

Page 35: ...501 833 872 909 951 965 462 427 406 396 385 1194 563 1134 535 1078 509 1024 1042 1060 475 454 417 1151 543 1120 529 1091 515 1054 497 1012 478 883 922 959 1001 1015 442 407 386 376 365 1094 516 1034 4...

Page 36: ...9 1130 810 780 730 1866 881 1833 865 1806 852 1772 836 1710 807 764 803 824 856 886 514 756 733 715 701 1967 928 1916 904 1863 879 948 959 991 850 827 816 1796 848 1763 832 1736 819 1702 803 1640 774...

Page 37: ...50 496 1017 480 977 461 935 441 671 725 764 809 852 153 168 174 180 188 1084 512 1040 491 1001 472 896 936 971 249 257 261 1068 504 1025 484 992 468 952 449 910 429 711 765 804 849 892 164 179 185 191...

Page 38: ...5 3 2 CFM RPM Watts CFM RPM Watts CFM RPM Watts CFM RPM Watts CFM RPM Watts 3621H No Heat 5 10x10 1 2 Hp 373 2 Speed dual voltage 2 3621H 18 kW Heat 5 10x10 1 2 Hp 373 2 Speed dual voltage 2 5 10x10...

Page 39: ...63 816 842 308 317 329 361 373 1661 784 1611 760 1566 739 882 915 939 447 480 487 4824S No heater 3 11x11 3 4 559 5 Speed 2 3 4824S with 25kw heater 3 11x11 3 4 559 5 Speed 2 3 5 11x11 3 4 559 5 Speed...

Page 40: ...374 379 386 396 408 423 440 1465 1423 1381 1338 1296 1254 1212 779 816 854 891 929 967 1004 257 270 281 287 290 289 285 CFM RPM Watts 5 1803 1760 1217 1683 1648 1612 1576 886 919 952 988 1019 1053 108...

Page 41: ...o be func tioning properly or the air flow or refrigerant charge are not within specifications corrective action must be taken The following sections are provided to assist the installer with the oper...

Page 42: ...pplemental electric heat during the defrost cycle can be provided by running a wire from the purple pigtail wire from D terminal on defrost control on the outdoor heat pump unit to the W1 pigtail on t...

Page 43: ...ure ports of the pres sure measuring device which will automatically add the two pressures together 4 6 2 ESTIMATING CFM USING ELECTRIC HEAT TEMPERATURE RISE If the air handler is equipped with an ele...

Page 44: ...An example of this is when the G and Y thermostat inputs are both energized in the cooling or heat pump heating mode In this case T1 continuous fan and a higher numbered speed tap will both be energi...

Page 45: ...outdoor unit The transformer in 208 240V models is wired from the factory for 240V applications but has a separate 208V tap for 208V applications The black wires connected to the 240V tap must be move...

Page 46: ...low for smaller wire fuse breaker size compared to single phase J Voltage heater kits The heater kit is controlled by the blower control based on thermostat inputs All heater kits are available with a...

Page 47: ...Floor Model Cabinet Size Base Model Number 17 RXHB 17 21 RXHB 21 24 RXHB 24 Model Cabinet Size Filter Size Part Number A B 17 16 x 20 406 x 508 RXHF 17 15 70 17 50 21 20 x 20 508 x 508 RXHF 21 19 20...

Page 48: ...ance weights clips on the blower wheel blades Do not drop or bend wheel as balance will be affected 7 4 MOTOR LUBRICATION The blower motor sleeve bearings are pre lubricated by the motor manufacturer...

Page 49: ...y from blower assembly Remove the screw on the belly band strap around the motor shell and remove the 4 mounts from motor Install four motor mounts and the belly band strap on the new motor using the...

Page 50: ...higher speed or excessively restrictive duct system correct duct system Excessive air flow Incorrect blower motor speed selected select lower speed Water blow off from coil Excessive air flow select l...

Page 51: ...C NATIONAL WIRING REGULATIONS AND LOCAL CODES AS APPLICABLE REPLACEMENT WIRE MUST BE THE SAME SIZE AND TYPE OF INSULATION AS ORIGINAL 105C MIN FIELD INSTALLED FACTORY STANDARD LOW VOLTAGE FIELD INSTAL...

Page 52: ...NG REGULATIONS AND LOCAL CODES AS APPLICABLE REPLACEMENT WIRE MUST BE THE SAME SIZE AND TYPE OF INSULATION AS ORIGINAL 105C MIN FIELD INSTALLED FACTORY STANDARD LOW VOLTAGE FIELD INSTALLED FACTORY OPT...

Page 53: ...ORY STANDARD LOW VOLTAGE FIELD INSTALLED FACTORY OPTION FACTORY STANDARD LINE VOLTAGE WIRE COLOR CODE BK BLACK BR BROWN BL BLUE G GREEN GY GRAY O ORANGE PR PURPLE R RED W WHITE Y YELLOW ELECTRICAL WIR...

Page 54: ...ZE AND TYPE OF INSULATION AS ORIGINAL 105C MIN FIELD INSTALLED FACTORY STANDARD LOW VOLTAGE FIELD INSTALLED FACTORY OPTION FACTORY STANDARD LINE VOLTAGE WIRE COLOR CODE BK BLACK BR BROWN BL BLUE G GRE...

Page 55: ...55 9 5 WIRING DIAGRAM H1T 208 240V BC BC BLOWER CONTROL BLOWER CONTROL BC BC BC BC 10 208 240V CONSTANT TORQUE MOTOR 208 240V CONSTANT TORQUE MOTOR...

Page 56: ...SAME SIZE AND TYPE OF INSULATION AS ORIGINAL 105C MIN FIELD INSTALLED FACTORY STANDARD LOW VOLTAGE FIELD INSTALLED FACTORY OPTION FACTORY STANDARD LINE VOLTAGE COMP CODES NOTES WIRE COLOR CODE BK BLAC...

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