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Carrier 07E manual

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Table of contents for the manual

  • Page 1

    Manufactu rer reser ves the rig ht to dis continue , or chan ge at a ny time, spec ificat ions or des igns without notice an d withou t inc urring obligations. PC 802 Catalog No. 530-607 Printe d in U.S.A. Form 06 /07E-2S I Pg 1 7-02 Repla ces: 06/0 7E-1SI B o o k 2244 T a b 1 b2 a2 b3 a Installation, Star t-Up and Ser v ice Instr u ctions Her meti[...]

  • Page 2

    2 Piping Connections — Atta ch water supply and return lines to connections indicated on condensing unit (Fig. 2). W ater leaving condenser should not be conne cted direct ly into sewe r lines ; ch eck loca l co des. Attach refrigerant liquid and suct ion lines to condensing unit (Fig. 2); suction and discharge lines to compressor unit (Fig. 3 an[...]

  • Page 3

    3 Fig. 2 — 07E W ater -Cooled Condensing Units DIMENSIONS (in.) UNIT 07E V OL TS A B C D E F G H I A022 208/230 66 49 3 / 4 2 3 / 4 34 27 1 / 2 12 1 5 9 / 16 9 5 / 16 460, 575 66 43 3 / 4 2 3 / 4 34 26 1 21 5 9 / 16 9 5 / 16 B027 208/23 0 78 49 3 / 4 2 3 / 4 34 27 1 / 2 12 1 5 9 / 16 9 5 / 16 460, 57 5 78 43 3 / 4 2 3 / 4 34 26 1 21 5 9 / 16 9 5 [...]

  • Page 4

    4 DIMENSIONS (in.) 06E UNIT V OL T A GE A B C D E F G V022 208/230 48 1 / 4 35 36 7 / 8 1 1 / 2 27 1 / 2 11 9 1 / 2 460,575 48 1 / 4 29 36 7 / 8 1 1 / 2 26 1 19 1 / 2 W027 208/230 50 1 / 4 35 36 7 / 8 1 1 / 2 27 1 / 2 11 9 1 / 2 460,575 50 1 / 4 29 36 7 / 8 1 1 / 2 26 1 19 1 / 2 W033 208/230 50 1 / 4 35 36 7 / 8 1 1 / 2 27 1 / 2 11 9 1 / 2 460,575 [...]

  • Page 5

    5 Table 1 — Elect rical D ata — Comp ressor M otor Wi th Circuit Br eaker LEGEND *Ref er to physical data tab le to match compres sor with correct com- pressor or water-co oled condensing unit . NO TES: 1. Compressor MT A and RLA v alues are maximum figures. 2. LRA v alues f or PW second winding = 1 / 2 the LRA – XL value. 3. 3-P o le XL circ[...]

  • Page 6

    6 Fig. 6 — Control Cir cuit Wiring f or 06E/07E Units AU X — A uxiliary C— Compressor Cont actor C1 — Compressor Cont actor (XL star t and firs t step of P W star t ) C2 — Compressor Cont actor (PW second step) CH — Crankcase Heater CHR — Crankcase Heater Re la y CR — Control Relay DTS — Discharge T emperature S ensor DX — Direc[...]

  • Page 7

    7 PRE-ST ART -UP Evacuat e, Deh ydrate, and Leak T est — The entire refrigeran t system must b e evacuate d, dehydrated and leak test- ed by metho ds descri bed in Carrier Standard Ser vice T ech- nique s Manua l , Chapter 1, S ection 1-6 and 1 -7. Use sig ht g lass method to ch ar ge system. Se e Section 1-8 of Service T ech- nique s Manu al fo [...]

  • Page 8

    8 Table 3 — 07E Phy sical Data LEGEND *Compressor listed is t he standard compres sor for R-22, air conditioning duty . A n 06ER co mpressor is standard equipment f or low temperature (R-507/404A) applications. F or medium temperature (R-134a) applications, an 06EM compressor is standard. F actory substitutions m a y be made. Contact C arrier Sal[...]

  • Page 9

    9 SER VICE Pr otecti on De vices HI G H -P R ES SU R E SW I T C H — Check by throttling con- denser water or blocking airflow on air-cooled units, all owing head pressure to rise gradually . Check dischar ge pressure constantly throughout procedure. Compressor should shut of f within 10 psi of values shown in T able 4. LO W - PR E S S U RE S W I [...]

  • Page 10

    10 T o Regulate Control Set Poin t — T urn adjustment nut clockwise to its bottom stop. In this position, set point is 86 psig. Control set point i s then regulated to desired pressure by turning adjustment nut counterclockwise. Each full turn decreases set point by approxi mately 7.2 psi. Approximately 12 turns counterclockwise lowers the c ontr[...]

  • Page 11

    11 NO TE: Pressure-operated control valv e shown. A solenoid-operated control v alv e can also be used. Fig. 10 — S uction Cu toff Unloade r Operat ion[...]

  • Page 12

    12 34 35 36 37 38 40 41 29 30 28 27 13 11 12 41 24 25 26 78 9 31 32 33 1 2 5 6 3 4 14 15 16 17 18 19 10 20 21 23 22 31 31 32 33 38 32 39 LEGE ND 1— Stator (Co mpressor Motor) 2— Rotor (Compress or Motor) 3— Motor K ey 4— Rotor Plate W ash er 5— Rotor Loc k W asher 6— Rotor Loc k Bolt 7— Motor Loc k Bushing 8— Roll Pin 9— Acorn Nut[...]

  • Page 13

    13 Table 6 — Torque Values Lubricati on System TE S T IN G OI L P U M P — An oil pressure tap is located above oil pump cover plate (Fig. 12). O il pressure should be 12 to 18 psi above suction pressure. Oil Filter Screen — Screen is accessible through bottom cover plate. Remove and inspect strainer for hol es and dirt. Clean it with solvent [...]

  • Page 14

    14 Cylinder Heads (See Fig. 11) — Disassemble cyl- inder heads by removing cap screws, and prying up on side lifting tabs to break heads loose from valve plates. Do not hit cylinder heads to break loose. Check heads for warping, cracks and damage to gasket surfaces. When re placing cylinder head, t orque cap screws 90 to 100 lb-ft (prevents high [...]

  • Page 15

    15 CRANKSHAF T — Rem ov e p um p e nd b e ar i n g h ea d an d rotor . If connecting rod and piston assemblie s are still in place . remove connecting rod caps and push piston assembly up into cylinder for crankshaft clearance . Pull crankshaft out through pump end opening. Inspect crankshaft journals for w ear and tolerances shown in T able 7. C[...]

  • Page 16

    16 T urn crankshaft to be sure there is no binding between bearing surfaces and journals. Repl ace oil scree n, bottom cove r plate, valve plates and cyl inder heads. Motor Remo v al MOTO R END BELL — R e m ov e mo t o r en d b e ll car ef ul l y to prevent damage to the stat or . Use three 7 / 16 - 14- x 5-in. studs for guides and support. Inspe[...]

  • Page 17

    17 Remo ve 1. Ac orn nut and washer . 2. Back out locking pin and bushing. Replace 1. Screw in locking pin bushing until it rests on stator core. 2. Wrap a piece of tape around 3 / 8 -in. drill bit, 2 1 / 16 i n . from cutt ing edge. 3. Ream out bushing ( 3 / 8 -i n. drill) and drill into stator cor e until tape is flush with top of bushing. (Remov[...]

  • Page 18

    18 FILL CONDENSER WITH CLEANING SOLUTION. DO NOT ADD SOLUTION MORE RAPIDL Y THAN VENT CAN EXHAUST GASES CAUSED BY CHEMICAL ACTION. CONDENSER 3 ’ TO 4 ’ VENT PIPE 5 ’ APPROX 1 ” PIPE Fig. 24 — Gravity Circ ulation SUCTION PUMP SUPPORT T ANK FINE MESH SCREEN RETURN GAS VENT PUMP PRIMING CONN. GLOBE VA LV E S 1 ” PIPE CONDENSER REMOVE WA T[...]

  • Page 19

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  • Page 20

    Manufactu rer reser ves the rig ht to dis continue , or chan ge at a ny time, spec ificati ons or des igns without notice an d wit hout inc urring obligations. PC 802 Catalog No. 530-607 Printe d in U.S.A. Form 06 /07E-2S I Pg 20 7-02 Replac es: 06/07E -1SI B o o k 2244 T a b 1 b2 a2 b3 a Copyright 20 02 Car rier Cor po ration[...]