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®
Turn to the Expertg
Installation Instructions
EQUIPMENT OPERATION HAZARD
OAT sensor must be field installed. See Accessory
Installation for more details.
EQUIPMENT OPERATION HAZARD
This Infinity TM unit is designed for use with an Infinity User
Interface.
NOTE: Read the entire instruction manual before starting the
installation.
TABLE OF CONTENTS
PAGE
SAFETY CONSIDERATIONS ......................... 2
A05307
INTRODUCTION ................................... 2
Fig. 1 - Unit 48XL
RECEIVING AND INS
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NOTE: Low NOx requirements apply only to natural gas SAFETY CONSIDERATIONS installations. Installation and servicing of this equipment can be hazardous due RECEIVING AND INSTALLATION to mechanical and electrical components. Only trained and qualified personnel should install, repair, or service this equipment. Check Equipment Untrained personnel can perform basic maintenance flmctions, IDENTIFY UNIT such as cleaning and replacing air filters. All other operations must The unit model number and s
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ase / ,,Screw.__._ / (NOTE A) -_'l / *Gasketing .._ r_ j / \ _ Wood nailer* Flashing field Ill_l II I supplied _ JJU_ilt"_ Ro°f curb* II_::i!ll/I# Insulation (field Roofing material U_ I[ supphed) field supplied-- ll_ii![lIL '_ /l_!_i:ll II_ Duotwork \ _ill I[ field supplied/ Roof Curb for Small Cabinet Roof Curb for Large Cabinet Note A: When unit mounting screw is used, Note A: When unit mounting screw is used, retainer bracket must also be used. retainer bracket must also be used. _E Supply o
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UNIT U_IT HEIGHT ,3ENTEROF GRAVlT{ M_,_/I_ ELEGTRIG_L INIT CHARACTERISTICS LSS "_" X ' 48XL024¢140 208'230 ] 60 396 _U4:_14_ 02;¸ 8080(800_ 489 0(:_ 5) ,SXLO2,1G#I 208,230 i 60 @l i81¸9 1641_(43 ¢2) 5,USO{28UJ 489G,:19 3) 4,170_176} _SXLU30040 405 /8_ 8 I_9_ _(43 0_;' 5O8 O(20 i_) 489 Oil9 3) 4,1,' 6(i}' 6} 48XL03_060 2GS,P30 _0 4O8 /8_/ 09? ', 5 '? 5G80{_00_ 489¸O i95 44_G_ii _} REOUIREDCLEARANCESTO COMBUS_BLE MAlL CORNER_EIEHT LBS KG #41Ui_IETER8 [iN] 4 Hi C ) TO_ OE U_iT ..... 585¸6 [14 00] _
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UNIT WT UNIT NEIGNT CENTER OF GRAVITY MMIIN UNIT ELECTRICAL CHARACTERISTICS LBS KG "A" X Y 2 48XLOS6060 2081230-I-60 485 2200 11425(449B) 5534(210) 5DOT(DO5) 4216(166) 48XL036090 20B/230-1-00 493 2236 I142514498) 5534(210) 520T(DOD) 4215(166) 48XLO42060 20B1230-I-60 507 2290 11933(4698) 5534(210) 5207(205) 4216(166) 4BXL042090 2O81R3O-l-GO 515 '336 1193314098) 5534(210) 5207(205) 4210(166) 48XLO4809U 2081230"1=60 521 2363 11933(4098) 4953(195) 5398(213) 4572(180) 48XL048115 20B1230-1-60 521 2363
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Table I - Physical Data - Unit 48XL UNIT SIZE 024040 024060 030040 030060 036060 036090 042060 042090 2 2 2-1/2 2-1/2 3 3 3-1/2 3-1/2 NOMINAL COOLING CAPACITY (ton) 40,000 60,000 40,000 60,000 60,000 90,000 60,000 90,000 NOMINAL HEATING CAPACITY (Btu) 396 401 403 408 485 493 507 515 OPERATING WEIGHT (Ib) 180 182 183 185 220 224 230 234 (kg) COMPRESSORS 2-Stage Scroll 1 Quantity REFRIGERANT: PURON (R-410A) 10.1 10.1 11.3 11.3 9.5 9.5 13.8 13.8 Quantity (Ib) 4.6 4.6 5.1 5.1 4.3 4.3 6.3 6.3 (kg) RE
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Table 1--Physical Data (Con't) - Unit 48XL UNIT SIZE 048090 048115 048130 060090 060115 060130 4 4 4 5 5 5 NOMINAL COOLING CAPACITY (ton) NOMINAL HEATING CAPACITY (Btu) 90,000 115,000 130,000 90,000 115,000 130,000 521 521 521 572 572 572 OPERATING WEIGHT (Ib) 236 236 236 259 259 259 (kg) COMPRESSORS 2-Stage Scroll Quantity 1 REFRIGERANT: PURON (R-410A) 15.3 15.3 15.3 15.8 15.8 15.8 Quantity (Ib) 6.9 6.9 6.9 7.2 7.2 7.2 (kg) REFRIGERANT METERING DEVICE TXV Size 4Ton 4Ton 4Ton 5Ton 5Ton 5Ton Part
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INSPECTION Prior to initial use, and at monthly intervals, all rigging brackets and straps should be visually inspected for any damage, evidence PROPERTY DAMAGE HAZARD of wear, structural deformation, or cracks. Particular attention should be paid to excessive wear at hoist hooking points and load Failure to follow this warning could result in personal support areas. Brackets or straps showing any kind of wear in these iniury/death or property damage. areas must not be used and should be discard
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36-in. (914 mm) UNITHEIGHT A / SEE DETAIL A06298 A RIGGING WEIGHT CABINET MODEL Ib kg Small 48XL-024 420 191 Small 48XL-030 427 194 48XL-036 515 234 48XL-042 537 244 Large 48XL-048 543 246 48XL-060 594 269 J NOTE: See dimensional drawing for corner weight distribution. Corner weights shown on drawing are based on unit-only weights and do not D ACCESS PANEL C include packaging. A06296 Fig. 7 - Suggested Rigging IMPORTANT: Use flexible connectors between ductwork and CONVERTING HORIZONTAL DISCHARG
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3. Secure flue hood to flue panel by inserting a single screw on the top and the bottom of the hood. 1" (25 mm) MIN. __ 2" (51 mm) MIN A08001 Fig. 9 - Condensate Trap Install Gas Piping The gas supply pipe enters the unit through the access hole Supply Duct Cover provided. The gas connection to the unit is made to the l/2-in. A06320 FPT gas inlet on the gas valve. Fig. 8 - 48XL with Duct Covers On Install a gas supply line that runs to the heating section. Refer to Provide for Condensate Disposa
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IN Install Electrical Connections ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal iniury or death. TEE The unit cabinet must have an uninterrupted, unbroken electrical ground. This ground may consist of an electrical _-_ NIPPLE wire connected to the unit ground screw in the control compartment, or conduit approved for electrical ground CAP when installed in accordance with NEC, NFPA 70 National C99020 Fire Protection Association (latest edition) (in Canada, Fig. 1
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Table 2- Maximum Gas Flow Capacity* NOMINAL INTERNAL LENGTH OF PIPE ft (m)'{" IRON PIPE DIAMETER 10 20 30 40 50 60 70 80 90 100 125 150 175 200 SIZE (IN.) (IN.) (3.0) (6.1) (9.1) (12.1) (15.2) (18.3) (21.3) (24.4) (27.4) (30.5) (38.1) (45.7) (53.3) (61.0) 1/2 .622 175 120 97 82 73 66 61 57 53 50 44 40 -- -- 3/4 .824 360 250 200 170 151 138 125 118 110 103 93 84 77 72 1 1.049 680 465 375 320 285 260 240 220 205 195 175 160 145 135 1 - 1/4 1.380 1400 950 770 600 580 530 490 460 430 400 360 325 300
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USER INTERFACE TOP COVER DISCONNECT PER NEC* FROM GAS LINE *NEC - NATIONAL ELECTRICAL CODE A06091 Fig. 11 - Typical Installation GROUND SCREW (IN SPLICE BOX) GROUND LEAD z_L_ BLKm SINGLE-PHASE L1 CONNECTIONS TO DISCONNECT -- _YEL_ PER NEC L2 ...... NOTE: Use copper wire only. LEGEND NEC - National Electrical Code Field Wiring _ Splice Connections A06299 Fig. 12 - Line Power Connections 13
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HP/AC Board Furnac6 Board A06306 Fig. 13 - Control Plate User infinity HP/AC infinity Furnace interface Board Board Outdoor Air Thermistor (Supplied with [U) FIELD CONNECTION REQUIRED (BLACK WIRES) OAT m 1 OCT | | a_Outdeor CoilThermistor | FACTORY CONNECTED L m 0 m Y2 m Y1 FACTORY WIRES PROVIDED m FOR FIELD CONNECTION w1 m OF UTiLiTY CURTAILMENT C R | Factory Wiring A06301 Fig. 14 - Control Voltage Wiring Connections 14
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joint union be loosened, and the supply line be allowed to purge PRE-START-UP until the odor of gas is detected. Never purge gas lines into a combustion chamber. Immediately upon detection of gas odor, retighten the union. Allow 5 nfinutes to elapse, then light unit. b. Make sure that condenser-fan blade is correctly FIRE, EXPLOSION, ELECTRICAL SHOCK positioned in fan orifice. Top 1/3 of condenser fan blade HAZARD should be within fan orifice venturi. Failure to follow this warning could result
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emergency heating or cooling operation using a common as long as UI maintains a demand for airflow. The control will not thermostat and the terminal strip connections on the two control operate electric heaters while a fault condition exists. The control boards (See Non-Communicating Emergency Cooling/Heating communicates with the motor at least once every five seconds, Mode) and will display Status Code 16, System Communication even when the motor is idle. If, during operation, the control does
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CONNECTION WIRING DIAGRAM LADDER WIRING DIAGRAM DANGER: ELECTRICAL SHOCK HAZARD DISCONNECT POWERBEFORE SERVICING FIELD SUPPLY I _ UNIT COMPONENT ARRANGEMENT 208,_3o VAC _'I"M i,,,,_ - 60HZ,IPH SECTIO_ OUTDOOR F_N [] [] I _° qf_ SAS TI LEGEND _F[ELD SPLICE _° • SPLICE FACTORY WIRING ? - FIEL@ COnTrOL _IRI_G FIEL@ POWE_ WIRING RSC REMOTE SPARKER CONTROL CQNT CONTACTOR CAP CAPACITOR COMP COMPRESSOR MOTOR CS COMPRESSOR SOLENO[D CCH CRANK CASE HEATER P P PLI 1(c) TO BE WIRED iN ACCOROANC[WITH NEC ANO
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CONNECTION WIRING DIA6RAM LADDER WIRING DIAGRAM DANGER: ELECTRICAL SHOCK HAZARD DISCONNECT POWERBEFORE SERVICING DANGER: ELECTRICAL SHOCK HAZARD DISCONNECT POWERBEFORE SERVICING L1 _ USE COPPER CONDUCTORS ONLY FIELD SUPPLY ------_ ,.._' L_-- _, Y UN]T COMPONENT ARRANGEMENT 208/230 VAC _''''_1_ B_ IELD SUPPY 208/230 VAC, 60 mz, PH OUTDOOR FA,, _ 60HE, 1PH _ _ SECTIO_ CONT I SECTION SECTIOn, 23 I I 11 =. q_ ICCHI GAS SECTIO_ @ L2 _ FZELD SPL]CE LEGEND 0 SPL]CE FACTORY WIRING FIELD CONTROL WIRING F
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© o D O •43ff]° O0 O O °° {] O 0 d]]O [ OO oo [E] .a O @ @ IRcD @ UTILITY RELAY * Lql_id Ilne So lellold UTILITY SIGNAL '_ OPEN RELAY * SUPPLIED BY UTILITY PROVIDER A05247 Fig. 18 - 2-Stage HP/AC Control Board STATUS CODE 21 - GAS HEATING LOCKOUT wind, dirty filter or restricted duct system, defective switch or Control will NOT auto reset. Check for mis-wired gas valve or connections, or inadequate combustion air supply (flame roll-out defective control (valve relay). switch open). STATUS CODE 2
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UTILITY INTERFACE WITH INFINITY CONTROL If thermistor is shorted or open, replace it to return the system to normal operation. If fault is in the wiring connections, correcting The utility curtailment relay should be connected to factory the fault will clear the code and return the system to normal supplied pigtails (PINK, connected to R, VIOLET connected to Y2 operation. on the control board) located in the low voltage splice box (See NOTE: If fault condition is an open thermistor or a wiring p
