Bryant 576b manuale d’uso

Cancels : II 569C-7 2-4 II 569C-72 -5 8/15/00 IMPORT ANT — READ BEFORE INST ALLING 1. Read an d become fam iliar w ith these install ation instruc tions b efore insta lling t his unit (Fig . 1). 2. Be sure the i nst alla tion conf orms t o all a ppl icab le local a nd na tion al code s. 3. These instru ctions co ntain i mportant i nforma tion fo [...]

— 2 — INST ALLA TION NO TE: When inst alli ng any a cces sory i tem, see the m anuf ac- turer’s installation instructions packaged with the accessory . A quali f ie d age nc y must us e f ac t ory - au th orize d ki ts or acc e s- sories when mo dify ing this unit. The 569 C072, 090, and 1 20 uni ts use hermet ic compr essors . The 576B 09 0,[...]

— 3 — T a ble 1 — Ph ysical Data LEGEND *Unit is factory supplied w ith holding charge only . †T y pical operating charge with 25 f t of interconnec ting piping. **Storage capacity of condenser coil with coil 80% fu ll of liquid R-22 at 124 F . NO TE: Unit 576B120 has one step of unloading. Full load is 100% of capacity , and one step of un[...]

— 4 — DIMENSIONS (f t- i n. ) UNIT A B C D E F With Alum inum Coils (Standar d) 569C072 1-6 1 / 2 1-2 3 / 4 —1 - 2 1 / 4 1-4 5 / 16 2-9 5 / 16 569C090 1-8 1-6 1 / 2 2-9 13 / 16 1- 3 2- 5 / 16 3-5 7 / 16 569C120 1-9 1-8 2-0 1- 3 2- 5 / 16 3-5 7 / 16 576B090 1-6 1-4 3 / 4 2-9 13 / 16 1- 3 2- 5 / 16 3-5 7 / 16 576B102 1-7 1-5 2-9 13 / 16 1-3 2- [...]

— 5 — B. Filter Drier and Moistu re Indica tor The fil ter d rier i s factor y ins talled. Mois ture in dicat or i s a field-ins talled acc essory and s hould be instal led just aft er liqui d line s hutof f valv e at th e evapo rat or coil . Do no t use a receiver . A receiver is not supplied with the unit and s hould not be us ed. NO TE: Unit[...]

— 6 — the current within 10%. Use the formula shown in T able 4, Note 2, to de termine the percent vo ltage imbal ance. Ope rat ion o n impr oper line volta ge or exces sive ph ase im bala nce cons tit utes abu se a nd may cau se dama ge t o elec trica l co mponen ts. Su ch op era- tion would invalidate any appli cable w arranty . 4. In sula te[...]

— 7 — T ab le 4 — Ele ctrical Data LEGEND NO TES: 1. In compliance with NEC requirements f or multimotor and combina- tion load equipment (refer to NEC Ar ticles 430 and 440), the over- current protective de vice f or t he unit shall be fuse or HA CR breaker . The Canadian units m a y be fuse or circuit breaker . 2. Unbalanced 3-Pha se Suppl [...]

— 8 — VI. A CCESSOR Y INST ALLA TION At t his ti me a ny requi red access ories shoul d be in stalled on the un it. Refer to T a ble 5 for a vailabl e ac cessorie s . Con trol wiri ng informat ion is provid ed in the unit w iri ng book. T able 5 — Accesso ry List PRE-ST ART -UP Procee d as follows to i nspect and pr epare the unit for initial[...]

— 9 — ST ART -UP I. ST ART -UP AND ADJUSTMENTS A. Chec king Co oling Contr ol Operation Start an d check the uni t for proper co olin g contro l opera tion as fol lo w s: 1. Plac e room ther mostat SYST EM swi tch i n OFF posi- tion. Obs erve tha t blow er moto r starts w hen F AN switch is placed in ON position and s huts down when F AN switc [...]

— 10 — SER VICE I. CLEANING Inspe ct unit interi or at t he beginn ing of each co oling se ason and as ope ratin g condition s require . A. Condenser Coil Inspect co il monthly . Clean conden ser coil an nually , or as requir ed by loca tion and ou tdoor-air conditions. Clean coil as fo llows: 1. Turn off unit power and tag disconnect. 2. Remov[...]

— 11 — IV . CAP A CITY CONTROL (576B12 0 Only) A suction pressu re-actuated u nloader con trols 2 cy linders and provides capacity control. Unloa ders are fa ctory set (see T able 1) , but may b e field adjus ted: A. Contr ol Set Po int The c ontro l se t po int ( cylin der l oad p oint ) is adju stab le from 0 to 85 psig . T o adjust, turn con[...]

— 12 — VIII. REFRIGERANT SER VICE POR TS Eac h unit has 3 s ervic e port s: on e on th e suc tion li ne , on e on the liq uid line, and on e on the comp resso r discha rge line. Be sure caps on the po rts are tight. IX. H IGH FL O W V AL V ES Located on the compres sor hot gas and suction tubes are High Flow V alves . Large black plastic c aps [...]

— 13 — TROUBLESHOO TING GUIDE NO TE: See Fig. 15 and 16 for component arrangements. SYMPT OM CA USE REMED Y Compressor does not run — Contactor open P ower off . Restore power . Fuses blown. Replace with correct fuses after finding cause and correcting. T ransformer open/shor ted. Replace transformer if primar y windings are receiving power a[...]

Copyright 20 00 Br yant H eating & Coo ling Sy stems 801 CA T ALOG NO. 5356-90 3 LEGEND FOR FIG. 15 AND 16 C— Contactor , Compressor CAP — Capacitor CB — Circuit Breaker CH — Crankcase Heater CLO — Compressor Lockout COMP — Compres sor Moto r CO TP — Compressor T emperature Protection EQUIP — Equipment GND — Ground HPS — Hig[...]

CL-1 ST ART -UP CHECKLIST I. PRELIMINAR Y INFORMA TION OUTDO OR: MODE L NO . ____________ ______ _____ _________ __ SERIAL NO . ___ _____ _________ _____ ______ ________ INDOOR: AI R HANDL ER MAN UF ACTUR ER _____ _________ ______________ _____ ______ ________ ______ _____ ___ MODE L NO . _____________ ______ _____ _________ __ SERIAL NO . ___ ____[...]

Copyright 20 00 Br yant H eating & Cool ing Sy stems 801 CL-2 CA T ALOG NO . 5356-903 CUT ALONG DOT TED LINE CUT ALONG DO TTED LINE III. ST ART -UP CHECK EV APORA T OR-F AN SPEED AND RECORD . _______ CHECK CONDENSER-F AN SPEED AND RECORD . _______ AFTER A T LEAST 15 MINUTES R UNNING TIME, RECORD THE FOLLO WING MEASUREMENTS: COMP RESSOR AMPS (L [...]