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Bryant 538J-18-1 manual

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Table of contents for the manual

  • Page 1

    Canc els: New II 53 8J-1 8- 1 1/15/02 CONTENTS Pa g e SAFETY CONSIDERA TIONS . . . . . . . . . . . . . . . . . . . . . . . . . 1 INST ALLA TION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 -7 I. Complete Pre-I nstallation Che cks . . . . . . . . . . . . . . 1 II. Rig a nd M ount Unit . . . . . . . . . . . . . . . . . . . [...]

  • Page 2

    — 2 — Fig. 2 — 5 38J018-060 — Dimensiona l Dra wing NO TES: 1. Required clearances: With co il f acing wall, allow 6 ″ (156.4 mm) minimum clearance on coil sid e and coil end, a nd 3 ft (914 .4 mm) min imum clearanc e on compressor end and fan side. Wi th fan f a cing wall, allow 8 ″ (203 .2 mm) minimu m clearance on fan sid e and coil [...]

  • Page 3

    — 3 — II. RIG AND MOUNT UNIT A. Mountin g on Gr ound Mount uni t on a solid, lev el concrete pa d. P osition unit so water or ice f rom roof do es not fa ll directl y into unit. Field- fabric ated stack ing kits can be used whe n units are to b e stac ked. If condition s or local code s require un it to be fas- tened to a pad, 6 field-supplied [...]

  • Page 4

    — 4 — B. Make Pipin g Sweat Connectio ns Remo ve pla stic ca ps from liq uid an d suctio n servic e valv es . Use ref rigerant gr ade tubi ng. Service v alves are closed from the factory and ready for brazing. After wrapping the service valve with a wet cloth, the tubing set can be brazed to the serv ice valv e using eith er silv er bea ring or[...]

  • Page 5

    — 5 — T able 1A — Ph ysical Data (English) NO TE: Line siz es are f or runs up to 25 f eet. T able 1B — Ph ysical Dat a (SI) NO TE: Line siz es are f or runs up to 7.6 m. UNIT 538J 018 024 030 036 048 060 NOMINAL CAP ACI TY (Btuh) 18,000 24,000 30,000 36,000 48,000 60, 000 UNIT OPERA TING WEIGHT (lb) 130 136 161 185 222 249 COMPRESSOR Herme[...]

  • Page 6

    — 6 — LEGEND C— Contactor (12-va) HC — Heating Control IFM — Indoor- F an Motor IFR — Indoor-F an Relay TRANS — T ransf or mer Field Wiring F ac tory Wir ing *The IFR and IFM are located in indoor unit on heating-cooling applications. If accessory IFR is required f or cooling-only applications, locate (IFR) in fan coil. NO TES: 1. Ref[...]

  • Page 7

    — 7 — T able 2 — Am eric an/E uropean Wire C on versio ns LEGEND ST ART -UP I. PRELIMINAR Y CHECKS 1. Che ck that all interna l wiring co nnectio ns are tight and that barriers , covers, and pane ls are in place. 2. M ake certai n field el ectric al power source ag rees with unit nameplate rati ng . 3. Op en all s e rvice va lves . II. LEAK T[...]

  • Page 8

    — 8 — T able 3 — Electrica l Data LEGEND *P ermissible limits of the v oltage range at which uni t will oper ate satisfactorily . †Time-de lay fuse. NO T ES: 1. Control circuit is 24 v on all unit s and requires an external po wer source . 2. All motors and compressors contain internal overload protecti on. 3. In compliance with NEC (U .S.A[...]

  • Page 9

    — 9 — 10. If air tempe rature ent ering outdoor coil or pres sure at suction valve chan ges , charge to new suctio n line temperature indi cated on chart. NO TE: The above procedure is independent of indoor air quantity . B. Subcooling M ethod (Cooling, TXV) T o c heck an d adjust charge during c ooling se ason, us e T ables 6A and 6B an d the [...]

  • Page 10

    — 10 — MAINTENANCE I. LUBRICA TION The ou tdoor fa n motor i s facto ry lubr icated and requ ires no oil. II. COMPRESSOR The c omp ressor con tains fac tory oil c har ges ; rep lac e oil w hen lost. S ee T ables 1A an d 1B for oil rechar ge. Recommended o il is Sont ex 200L T for all un its . III. CLEANING COILS Coil should be washed out with w[...]

  • Page 11

    — 11 — TR OUBLESHOO TING TROUBLESHOO TING CHART — COOLING CYCLE[...]

  • Page 12

    Copyright 20 02 Br yant Heating & Cooling Systems Printe d in Mexico CA T ALOG NO. 5353-80 2[...]