Carrier 5H User's Manual
Contents
1. 16 Schematic Piping for Water Cooled Heads Fig CONDENSER WATER PIPING Piping Use piping for maximum pass operation Fig 17 when ample water pressure is available Use minimum pass operation Fig 18 for low water pressure or when cooling tower is used Water Regulating Valve Adjustment Set shut off point at least 10 F below condensing temperature to be maintained at maximum load but not above 90 F Select shut off point high enough to close valve when unit is not operating LUBRICATION Compressors are charged with oil at the fac tory Oil quantities are given in Table 12 Maintain oil level at center of sight glass When adding oil use only a dehydrated wax free refrigeration grade oil of suitable viscosity Compressors are charged with refrigeration grade oil Carrier No PP36 for evaporator tem peratures above 45 F When evaporator tempera ture is 40 or below replace oil with Carrier No PP33 Table 12 Compressor Oil Charge H l ee ee 5H40 5H60 5H80 5H120 COMPRESSOR 5F20 5F30 5F40 5F60 2h46 5H66 5H86 5H126 OIL CHG p 5 5 1 2 12 13 18 a Ki gl a a te ASMAA a RAN AAAS AAA a Fig 18 Condenser Minimum Pass Connections 1072 969 REFRIGERANT CHARGING Refer to SF H Start Up and Service Instructions and Carrier Standard Service Techniques Manual Chapter 1 for complete charging information Pneumatic Control may be conn2. 14 1 8 sueo 30 1450 5 C 14 1 2 40 50 _ 1750 amp 1450 5 C 14 1 2 60 75 1750 5 C 14 1 2 40 50 1750 5 20 1 2 40 50 1450 6 C 18 5 8 suso 60 1750 amp 1450 6 C 18 5 8 75 1750 6 C 18 5 8 60 75 1450 9 C 21 3 8 100 i 1750 9 C 21 3 8 60 1750 9 C 20 5 8 5H120 60 1450 9 C 21 1 2 75 100 17508 1450 9 C 21 1 2 denser so hot gas inlet is on top and ends over hang stands same distance on each end Assemble upper straps loosely around the condenser Compressor on Steel Base and Support Stand Place compressor unit on top of condenser stands and bolt into place with capscrews and lock washers provided TAPPED MOUNTING HOLE RELIEF VALVE 385 PSIG ON 5F40 60 AND ALL O9RH WATER PRESSURE REGULATOR CONN LIQUID SHUT OFF VALVE TAPPED MOUNTING HOLE LOWER STRAP MOUNTED TO UNDER SIDE OF CONDENSER STAND Fig 10 Typical Assembled Condenser Package Table 9 Dimension ba ft im Fig 10 DRIVE COMER Belt Direct 20 2 8 3 8 a 30 2 8 3 8 ES 5F 40 3 7 7 8 3 7 7 8 60 3 7 7 8 3 7 7 8 60 _ 4 2 3 4 40 4 2 3 4 4 2 3 4 46 4 2 3 4 60 4 2 3 4 4 2 3 4 66 4 2 3 4 60 4 5 1 2 a 66 4 5 1 2 80 4 7 3 4 5 9 3 4 86 _ 5 9 3 4 120 4 7 3 4 5 9 3 4 126 J 5 9 3 4 en Oversize base Loosely connect compressor discharge line and adjust condenser position so discharge line is inline with condenser inlet Assemble dischar
3. loosening belts until they slip when motor starts belt squeals then tighten enough to eliminate slippage b amount belt is depressed at center of span heavier belts deflect approximately 1 inch for a 24 inch span lighter belts or longer span deflect propor tionately more Install Direct Drive Instructions for installation are in the coupling package Securing Motor to Base Align motor and compressor Drill and ream two holes thru motor feet and base Secure motor to base with two 6 x 2 1 2 taper dowel pins provided in motor fastening set Locate holes diagonally opposite motor feet Use 9 32 inch diameter drill and 6 taper reamer REFRIGERANT PIPING Refer to Carrier System Design Manual Part 3 for proper piping techniques Venting Replace vent plugs front and rear heads and drain plug front head with nipples and valves if frequent draining of condenser water side is desired Refrigerant Drier See System Design Manual Part 3 Page No 3 75 Felt Filter Install felt filter supplied with com pressor in suction line screen Remove after 50 hours of compressor operation If dirty clean with kerosene or neutral spirits and replace for another 50 hours operation If filter is clean leave it out Indicate on tag that filter has been cleaned and reinstalled Oil Filter should be replaced after 50 hours opera tion and whenever oilis changedor becomes dirty Oil Separator Optional Install sep
4. 16 D 33 1 8 45 a A E E E 20 2 25 5 30 7 38 2 19 3 26 61 32 2 36 7 F 8 9 10 14 1 2 G 5 4 5 1 2 51 2 H 2 7 8 6 6 23 32 7 3 4 8 1 2 14 1 2 J 5 1 32 6 15 169 1 2 10 1 2 111 1 2 12 Pee k b A L 1 2 5 8 M 3 4 l 6 N 1 1 2 13 4 2 1 2 2 P RRT 2 1 4 2 1 2 Q ea Pie eee R 1 3 4 2 e 134 1450 rpm te tye Ne yee 1750 rpm UNIT BASE ee PLATE WASHER BEVEL WASHER VIBRATION ISOLATOR MOUNTING FLOOR P BOLT HOLE i SHIMS WHERE O ATA Y NEEDED Fig 9 Typical Vibration Isolator Mounting HOT GAS INLET NAMEPLATE UPPER STRAP FABRICA STRIP 2 IPS VENT PLUG WATER CONN INLETS FOR 4 PASS 5F40 60 3 PASS ON O9RH BOTTOM FOR INLET TOP FOR OUTLET FOR 8 PASS 5F40 60 6 PASS ON O9RH WATER CONN OUTLET FOR 4 PASS eE 5F40 60 3 PASS WA O9RH PLUG FOR 6 PASS AND 8 PASS SF20 AND 30 HAVE FRANGIBLE DISC Table 8 Distance Between Compressor and Flywheel Centerlines Fig 8 a E y x COMPR MOTOR COMPRESSOR BELTS DIMEN X SIZE HP RPM No Size in 5F20 5 7 1 2 10 1750 amp 1450 2 B 7 15 16 5 1450 PE o n 1750 2 B 9 21 32 7 1 2 1450 i 10 15 175081450 PB 1031 92 5F40 7 1 2 10 15 20 17508 1450 3 B 10 3 4 sreo 10 15 20 1750 amp 1450 3 B 11 7 16 f 10 15 20 25 1750 amp 1450 4 B 11 13 16_ 5H40 20 25 30 40 50 17508 1450 3 C 13 3 8 30 40 50 1450 5 C 13 3 4 30 1750 amp 1450 3 C
5. 70 4130 4740 4130 4740 pw AL Zam 8 3 10 34 7 11 8 a 10 3 8 4 7 11 8 3 10 34 B 45 n 3 8 4 ft in B 2 6 2 9 2 6 2 7 2 10 2 5 2 77 2 10 7 2 10 c 4 5 pes 5 4 3 426 4 10 4 8 4 8 5 0 AS 8 5 04 5E Condenser No ZETT O9RH Condenser No Special order only tFor 60 and 75 hp motors Table 6 Condensing Unit Refrigerant Connections in OD COMPR 5F20 5F30 5F40 _ SF60 5H40 or COND 20 30 20 30 40 30 40 60 40 so oa eo oar oas Suction 1 1 1 2 2 aa ap Mimbo e COMPR TEN SHAG mee O ca OU 366 gt 5H80 COND i 043 054 i ove 027 043 054 ase 070 08 ase O70 084 09 043 Suction 2 3 conn Liquid 1 ay i COMPR 5H80 COND 070 084 097 i 0 Suction 35 CON Liquid 1 2 EN 5F odios No For 60 and 75 hp motors Machine Room Temperature and Ventilation Locate compressor or condensing unit in well ventilated space Check code requirements Pro vide forced ventilation thru ductwork when natural ventilation is inadequate Protect water cooled condensers water lines and accessories from freezing during winter shutdown periods PREPARE FOUNDATION Fasten compressor to a steel base and vibra tion isolators on floor b steel base and condenser support stand or c concrete base Floor Foundations Locate compressors over joists or beams wherever possible Wea
6. Carrier RY ny Compressors and Condensing Units D Open Water Cooled COMPRESSOR AND CONDENSING UNIT PHYSICAL DATA a E ELSES op N Also used for low pressure oil line connection This bank of cylinders on 5F30 only connection y a SO This bank of cylinders on 5F60 only This bank of cylinders on 5H60 and 66 only Also used for low pressure oil line connection on 5H120 and 126 5H80 and 86 only These banks of cylinders on 5H120 and 126 only COMPRESSOR KEY Gage connection 1 4 inch IPS Dual pressurestat Oil level sight glass Discharge shut off valve See Physical Data for size Oil pump rotation arrows Suction valve manifold or manifold cover Remove for access to suction strainer Suction shut off valve See Physical Data for size Oil filler plug Crankcase drain 5 8 inch 18 plug on all 5F compressors Oil pressure connection 1 4 inch IPS high pressure shut off valve on all 5H compressors Capacity control adjustment Oil Filter Crankcase heater casing QQ O00000 0O00 OO O Oil pressure regulator Oil pressure connection 1 4 inch IPS low pressure Carrier Corporation 1968 5F H 1S Fig 6 Belt Drive Direct Drive and Duplex Compressor Unit Table 1 Compressor Physical Data BARE Fig 5 5 10 10 2 8 3 6Y laz Compressor units except 5H80 with slightly different dimensions and horsepower r
7. ER INSTALLATION NOTE Auto suction stop valve flooded systems only C Compressor CH Crankcase Heater HPS High Pressure Switch LLS Liquid Line Solenoid LPS Low Pressure Switch OL Overload PS Pressure Switch R Relay T Thermostat Terminal Connections Marked Component Connection Unmarked Component Connection Marked Field Wiring Fig 11 Wiring Schematic Single Pumpout Cycle Table 10 5F H Compressor Crankcase Heater Package ELECTRICAL COMPRESSOR CHARACTERISTICS PACKAGE NUMBERS Volts Watts 115 100 5 F 20 381 BEA Sani e 230 100 5 F 20 391 115 200 5 H 40 381 SD OIRO 20 230 200 5 H 40 391 115 200 5 3 40 291 00001201261 090 1 200 5 40 291 Table 11 Crankcase Heater Relay 60 Cycle CONTROL CIRCUIT VOLTAGE PART NUMBER 115 HN6TAJ 101 208 230 HN61AJ 108 COMPRESSOR OPERATION Motor Rotation Start motor before connecting to compressor Rotation direction must be same as arrow cast on pump cover or plate attached near pump end bearing housing To rotate compressor in opposite direction the manually reversible oil pump must be reversed as follows 5H120 AND 126 ALL 5F COMPRESSORS Remove 6 capscrews from oil pump cover Do not damage gasket Rotate cover 180 and replace Arrow will now be on top and show new direction of rotation 5H40 46 60 66 80 AND 86 COMPRESSORS Drain oil below level of end be
8. arator so its weight is carried by supports or hangers and not piping Connect separator inlet to compressor dis charge and separator outlet to condenser Con nect oil return line 1 4 inch or 3 8 inch copper tubing between separator and compressor crank case Make line long enough to be flexible and free from strain Connect oil return line to upper oil and gas equalizer line connection if available on compressor When two compressors are installed in parallel connect oil return line to oil equalizer line between the two compressors Install shut off valve in oil return line to facilitate service and minimize refrigerant loss An additional oil charge is required when an oil separator is used Watch oil level and check separator float valve operation during initial compressor operation Follow instructions fur nished with oil separator Compressor Muffler Optional Mufflers arein cluded in condenser piping packages for all 5H condensing units They are recommended for all remote installations Install mufflers either hori zontally or vertically refrigerant flow downward Arrow on muffler indicates flow direction Place outlet at bottom in horizontal installations to pre vent trapping oil Locate muffler as closeas pos sible to compressor Special Handhole Cover Plates Optional have tapped holes for connecting equalizer lines When operating compressors in parallel replace stan dard covers with special covers See F
9. ase Secure vibration isolators to floor If beveled washer Fig 9 is omitted end of capscrew may strike the floor and cause vibration isolator to rupture when it is secured to floor Condenser and Stand Assembly Place cast iron condenser stands in their correct location Make distance C Fig 10 between tapped holes on top of stand equal to holes in lower flange of com pressor unit base See Table 9 for dimensions Shipping caps are soldered to the 5F20 30 40 and 60 condensers at the factory To remove caps turn condensers upside down This prevents solder from falling into condensers Bolt lower support strap loosely to lower side of each condenser stand Place condenser on stands with front water head at compressor end of base Position con F DEPRESSION FOR COMPRESSOR BOTTOM PLATE 5F30 ONLY COMPRESSOR CORNER BOLTS 2 5F40 60 5H120 ONLY L DIAM 4 REQD FLYWHEEL BELT GUARD COMPRESSOR SEE TABLE 7 FOR DIMENSIONS Dimensions apply to motor mounting bases or rails Obtain from motor manufacturer Calculate dimension by consulting mo tor and pulley catalogs 4 REQD 5F20 amp 30 ONLY 15H120 1 in Fig 8 Concrete Foundation Details Sizes 5F20 30 40 60 5H40 60 80 120 569 Table 7 Concrete Base Dimensions Fig 8 DIMEN SFO 5H in 20 30 40 60 40 60 80 120 A 36 4B 538 57 GO 71 B 19 26 28 30 40 37 FESE 10 13 14 15
10. ected to capacity control valve on all 5F H compressors except 5F20 and 5F30 A 1 4 inch IPS connection is located above the capacity control valve on each compressor The capacity control valve is set as described in the Start Up and Service book The pneumatic control in effect resets the control point upward by the amount of air pressure applied Do not apply more than 25 psig For example if system suction pressure is 40 psig and the control point setting is 35 psig an applied air pressure of 5 psig causes first cylinder to unload ut Manufacturer reserves the right to change any product specifications without notice CARRIER AIR CONDITIONING COMPANY SYRACUSE NEW YORK Tab 3 5F H 151 Supersedes 5H 40 1035 Printed in USA 1072 2 68 Codes C and MB Catalog No 530 516
11. en grout has hardened for 24 to 36 hours Overtight ening bolts may cause compressor misalignment ef CRANKCASE HEATER Energizing crankcase heater helps prevent oil and refrigerant from mixing and accumulating in crankcase when compressor is off Wire heater to relay or set of normally closed contacts in compressor starter so it will be de energized when compressor is operating Installation of Heaters Remove rubber plug from crankcase heater casing see Fig 1 thru 4 Insert heater element entirely into casing Element should fit snugly not loosely Wire in accordance with local codes and dia gram Fig 11 Relay Coil voltage is determined by control cir cuit voltage which must be specified when ordering relays Mount relays vertically When crankcase heater is installed system can operate on a single pumpout cycle as shown in schematic Fig 11 Crankcase heater packages are given in Table 10 and corresponding relay is in Table 11 When two heaters are used ona 5H80 or 120 compressor only one relay is required OL ALAS e EROSI 5 HEX To Diria IS l 11 COMPR On MOTOR H 1 HPS LPS OL OL SAFETY Pana Que o aay iad a outou AS OR HL Y saa AAA er en ee ce eee Sees A ge See pl RESISTOR SAFETY PS t or Toe J O tester A ftal Pe a A i OTs 2l SEE NOTEN oe od r i y 1 T y ELS ON OFF E oes TZ COMPONENTS FOR CRANKCASE HEAT
12. equirements are available to accom modate oversize condensers and motors See certified prints for dimensions Belt drive units not available for 5H46 66 86 and 126 sizes e be mx Table 2 Compressor Connections EAS E E 5H COMPRESSOR ap 30 40 60 40 46 60 66 80 86 120 126 CONN Suct 1 1 8 1 5 8 2 1 8 2 5 8 3 1 8 3 5 8 4 1 8 in OD Disch 7 8 1 3 8 1 5 8 2 1 8 2 5 8 3 1 8 3 5 8 crac canine Table 3 Min Rpm for Capacity Control and Lubrication COMPRESSOR RPM 5F 20 600 5F30 700 5F40 5H40 46 5H40 60 800 5F60 5H60 66 120 126 5H120 120 900 5H80 86 5H60 80 80 80 80 120 1100 SPACE FOR eee TUBE REMOVAL bese EITHER END Fig 7 Direct Drive Belt Drive Condensing Unit Table 5 Table 4 Condenser Water Connections in F PT eee tenn eb meeps nt inn CONDENSER _ MAX PASSES _ MIN PASSES In and Out In Out 5F20 es 1 2 1 2 li 5F30 3 4 3 4 li 5F40 60 1 1 4 1 1 4 1 1 2 09RHO27 2 2 2 1 2 09RH043 054 070 2 2 3 09R HO84 097 2 1 2 31 31 5 09RH127 Two connections required MPT HIPS INSPECT SITE Provide Clearance for removing cylinder heads and valve plates Allow space on pump end for crankshaft removal Space for 5F20 30 40 60 5H40 46 60 and 66 is 20 inches for 5H80 86 120 and 126 30 inches Space at end of condenser must be equal to length of condenser to facilitate tube removal and cleaning Table 5 Condensing U
13. ge lines for 5H Series compressors as shown on special diagram sheet included in 5H condenser piping packages Before making joints try coup ling or belt guard to ensure piping clearance Place strips of Fabrica provided between lower support straps and condenser See Fig 10 Tighten lower strap enough to lift condenser off stands Sweat discharge line to condenser Adjust con denser position as required to prevent distortion of discharge line Instructions are included inthe piping assembly package Place Fabrica strips see Fig 10 between condenser and upper straps Tighten strap bolts to secure condenser to stand NOTE Use lower straps only for 5F20 and 30 units Place the two extra strips of Fabrica between top of condenser and base Assemble discharge line as described above Compressor Bolted to Concrete Base See Fig 8 Set compressor level on foundation bolts Level in two directions Removal of discharge shut off valve exposes face of mounting flange on com pressor which can be used as a leveling pad Lo cate and level motor slide rails Provide for 3 8 inch to 1 2 inch grout Tighten foundation bolts handtight Do not use wrench Wet top of concrete pour grout and tamp to fill all spaces between machinery and concrete Allow grout to dry slightly then trowel smooth Suggested mixture for grout is one part Port land cement to two or three parts of sharp sand Tighten foundation bolts moderately tight wh
14. ig 13 5H120 AND 126 Tapped cover plate is standard on 5H120 and 126 compressors Use only lower connection for oil equalization Connect gas equal ae Rt men en MED GAS Pi EQUALIZER AT CONNECTION OIL EQUALIZER Fig 13 Special Handhole Cover with Equalizer Connections CONNECTION GAS EQUALIZER on i g OD FLANGE EL xi 3 PA OIL EQUALIZER 2H o CONNECTION TO IPS Fig 14 Equalizer Connections 5H120 and 126 ization line at flange connection See Fig 14 Mating flange for 1 1 8 inch OD is Mueler part no A 515 gasket no A 5152 5F20 AND 30 compressors have no special tapped cover plate Use opening for oil sight glass with 1 1 8 inch line for gas and oil equalization For additional equalization run a 3 8 inch line to oil fill plug See Fig 15 SCREW FITTING INTO OPENING FOR OIL LEVEL SIGHT GLASS FOR iz EQUALIZER LINE OIL LEVEL Fig 15 Equalizer Connections 5F 20 and 5F 30 Cooled Heads When used install water cooled heads and piping as shown in Fig 16 5F20 30 40 60 5H40 46 60 66 80 AND 86 com pressors have one water circuit piped to flow in either direction See Fig 16 5H120 AND 126 compressors have two parallel circuits with two 1 2 inch IPS water inlet con nections and one 1 2 inch IPS water outlet con nection See Fig 16 Install manually operated valve in each water circuit adjusted for 100 F maximum leaving water temperature
15. k floors in old buildings must be reinforced with steel beams or timbers to support the heavy compressors or condensing units Use care in placing supports to avoid transmitting objection able vibrations to other areas Concrete Foundations one to two times the weight of the machinery they support will absorb vibra tion See Fig 8 and Tables 7 and 8 for recom mended dimensions Let foundation set sufficiently before compressor is installed approximately 3 days Allow for 3 8 inch to 1 2 inch grout after compressor is installed Heavy aggregate concrete weighs about 150 pounds per cubic foot INSPECT UNIT Inspect shipment for damage or loss File claim immediately with shipping company for any loss or damage OF MOTOR OF MOTOR BASE FLYWHEEL y DIAM BOLTS Move and rig unit carefully to prevent damage to gages mounting brackets refrigerant piping and connections COMPRESSOR INSTALLATION Compressor on Steel Base and Vibration Isolators on Floor Install vibration isolators on one end of unit at a time See Fig 9 for typical vibration isolator mounting Motor fastening set supplied with all com pressors except 5F20 30 includes several beveled washers Washers are installed under heads of capscrews used to fasten unit base to vibration isolators or floor Position compressor and motor on frame and check height of vibration isolators Shim between vibration isolators and floor to level compressor b
16. ll cover Remove end bell assembly and pump end cover Rotate cover 180 and replace Reverse direction of external arrow shows compressor rotation without removing end bell Arrow on pump end cover must match arrow on main bearing housing Replace end bell and refill with specified oil Oil Safety Switch installation instructions are in cluded in Oil Safety Switch Packages Motor Fastening Set supplied with all compressor units except 5F20 30 includes motor blocks and shims for motor alignment capscrews plate washers and lock washers for fastening motor to base taper dowel pins for securing motor position on base after alignment beveled washers for fastening unit base to vibration isolators or floor Install and Align Belt Drive Clean motor and compressor shafts flywheel and motor pulley bores with fine emery cloth Install motor pulley flywheel and keys tightly on shafts Slide motor forward on rails to install belt Line up flywheel and motor pulley with a straight edge pane SHAFTS MUST e PARALLEL STRAIGHT SEN Fig 12 Correct Belt Alignment or string Fig 12 or by placing a round rod in belt grooves Slide motor pulley on shaft to correct any parallel misalignment Loosen motor hold down bolts and turn motor frame to correct any angular misalignment Move motor backward with adjusting bolts to tighten belts Tighten belts just enough to prevent slippage Determine belt tension by a
17. nit Physical Data Fig 7 DRIVE DA BELT o COMPR 5F20 SF30 5F40 seo so T SHOO coo 2 3 2 30 4 30 40 6 40 60 60 7027 043 027 043 WT 1b 385 425 430 460 830 790 960 1050 1070 1230 1500 1715 1955 1925 2165 ar A OG Boal Ot eaa 14231 5 3 62 beg 652 622 635627 la DIM 1 9 1 9 2 3 2 3 2 3 2 87 2 10 ec ae aay 2 9 2 10 3 1 3 84 3 9 3 114 3 10 4 0 DRIVE 7 BELT gt DIRECT comer a A ea O o 5P o COND p 054 05 CECA E AAN AN Bid H 0 a WT Ib 2390 2650 2710 2845 2990 3050 3385 3690 3589 3664 3955 3240 880 970 _ an Al7 11 7 11 67 7 14 8 34 10 3 711 esp 10 341 5 3 e ain B 1 210 3 84 3 9 3 11 iay a o E E 425 be BY A DRIVE DIRECT COMPR A SHAG 5H60 5H66 COND 60 027 027 043 043 i 054 f O70 i 063 054 070 08 054 070 i 084 WT Ib 1060 1385 1605 1890 1890 e 2095 2025 2190 2740 2800 2190 2740 E 2800 3105 pm A 6 2 6 5 6 5 67 6 74 7 1 6 7 711 8 34 7 N 8 3 10 3 lai Ue 9 cae 2 2 2 2 2 4 2 4 2 74 2 4 2 7 Tim efa 2 3 4 3 94 3 14 3 0 4 0 4 0 A 3 4 0 A 3 4n DRIVE 7 7 m DIRECT l COMPR l 5H80 COND 054 070 1084 O97 070 Ad WT Ib 2930 2990 3315 3620 2990 3315 3620 4230 3570 38
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