Manuale d’uso / di manutenzione del prodotto 764A del fabbricante Bryant
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IMPORT ANT — READ BEFORE INST ALLING 1. Read and become familiar with these installation in- structions before installing this unit (Fig. 1). Retain these instructions for future maintenance and repair . 2. Be sure the installation conforms to all applicable local and national codes.
UNIT 564A/764A ELECTRICAL CHARACTERISTICS UNIT WEIGHT CENTER OF GRA VITY mm [in.] Lb Kg X Y Z 024 208/230-1-60 222 101 355.6 [14.00] 508.0 [20.00] 241.3 [9.50] 030 208/230-1-60 236 107 355.6 [14.00] 508.0 [20.00] 241.3 [9.50] 036 208/230-1-60, 208/230-3-60 250 1 14 355.
UNIT 564A/764A ELECTRICAL CHARACTERISTICS UNIT WEIGHT CENTER OF GRA VITY mm [in.] Lb Kg X Y Z 042 208/230-1-60, 208/230-3-60 297 135 355.6 [14.00] 508.0 [20.00] 304.8 [12.00] 048 208/230-1-60, 208/230-3-60 310 1 14 355.6 [14.00] 508.0 [20.00] 304.8 [12.
UNIT 564A/764A ELECTRICAL CHARACTERISTICS UNIT WEIGHT CENTER OF GRA VITY mm [in.] Lb Kg X Y Z 060 230-1-60, 208/230-3-60, 460-3-60 350 159 355.6 [14.00] 508.0 [20.00] 355.6 [14.00] LEGEND NEC — National Electrical Code REQUIRED CLEARANCES TO COMBUSTIBLE MA TERIAL, mm [in.
I. LOCA TE THE UNIT A. Clearance Provide suf f icient space for condenser airflow clearance, wir- ing, and servicing unit. See Fig. 2-4. Locate unit where supply- and return-air ducts can be conveniently brought out to unit duct connections.
T able 1 — Physical Data UNIT 564A AND 764A 024 030 036 042 048 060 OPERA TING WEIGHT (lb) 222 236 250 297 310 350 COMPRESSOR TYPE Reciprocating REFRIGERANT R-22 Charge (lb) 2.8 3.9 4.7 4.4 6.1 7.5 REFRIGERANT METERING DEVICE Acutrol™ System CONDENSER COIL Copper T ubes, Aluminum Plate Fins Rows.
Install Flanges for Ductwork Connections (564A/764A060 only) The size 060 units are shipped with flanges which must be field-installed on the unit. T o install unit flanges: 1. Five pieces of flange are shipped on the return air open- ing of the unit.
C. Converting Horizontal Discharge Units to Downflow (V ertical) Discharge W ARNING: Before performing service or mainte- nance operations on system, turn of f main power to unit. T urn off accessory heater power switch if applicable. Elec- trical shock can cause personal injury .
Route thermostat wires through grommet providing a drip loop at the panel. Connect low-voltage leads to the thermo- stat as shown in Fig. 16. The unit transformer supplies 24-v power for complete system including accessory electrical heater . T ransformer is factory wired for 230-v operation.
T able 2 — Electrical Data UNIT 564A/764A NOMINAL VOL T AGE (V -Ph-Hz) VOL T AGE RANGE COMPRESSOR OFM IFM ELECTRIC HEA T POWER SUPPL Y DISCONNECT SIZE Min Max RLA LRA FLA FLA Nominal kW* FLA MCA MOCP FLA LRA 024 208/230-1-60 187 254 10.9 61.0 0.9 2.
Special Procedures for 208-V Operation W ARNING: Make sure that the power supply to the unit is switched OFF before making any wiring changes. Electrical shock can cause personal injury or death. 1. Disconnect the orange transformer-primary lead from the contactor .
Proceed as follows to inspect and prepare the unit for initial start-up: 1. Remove all access panels. 2. Read and follow instructions on all W ARNING, CAU- TION, and INFORMA TION labels attached to, or shipped with, unit. 3. Make the following inspections: a.
C. Unit Controls Compressor High-Pressure Relief V alve — V alve is located in compressor . Relief valve opens at a pressure dif ferential of approximately 450 psi between suction (low side) and discharge (high side) to allow pressure equalization.
CARE AND MAINTENANCE NOTE: The following steps should be performed by a quali- fied service person. W ARNING: Before installing or servicing unit, turn of f main power to system to avoid shock hazard or in- jury from rotating parts. There may be more than one disconnect switch.
SERVICE NOTE: The following steps should be performed by a quali- fied service person. W ARNING: Before installing or servicing unit, turn of f main power to system to avoid shock hazard or in- jury from rotating parts. There may be more than one disconnect switch.
IV . ELECTRICAL CONTROLS AND WIRING Inspect and check the electrical controls and wiring an- nually . Be sure to turn of f all electrical power to the unit. Remove the control, evaporator fan, and compressor compart- ment access panels to locate all the electrical controls and wiring.
Fig. 19 — Cooling Charging Chart — 564A/764A024 Fig. 20 — Cooling Charging Chart 564A/764A030 Fig. 21 — Cooling Charging Chart — 564A/764A036 Fig.
Fig. 23 — Cooling Charging Chart — 564A/764A048 Fig. 24 — Cooling Charging Chart — 564A/764A060 —18—.
COOLING TROUBLESHOOTING CHART SYMPTOM CAUSE REMEDY Compressor and con- denser fan will not start. Power failure Call power company . Fuse blown or circuit breaker tripped Replace fuse or reset circuit breaker . Defective thermostat, contactor , transformer, or control relay Replace component.
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P ACKAGED SERVICE TRAINING Our packaged service training programs provide an excellent way to increase your knowledge of the equipment discussed in this manual. Product programs cover: • Unit Familiarization • Installation Overview • Maintenance • Operating Sequence A large selection of product, theory , and skills programs is available.
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ST ART -UP CHECKLIST (Remove and Store in Job File) I. PRELIMINARY INFORMA TION MODEL NO.: DA TE: SERIAL NO.: TECHNICIAN: II. PRE-ST ART -UP (insert checkmark in box as each item is completed) M VERIF.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Bryant 764A è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Bryant 764A - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Bryant 764A imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Bryant 764A ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Bryant 764A, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Bryant 764A.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Bryant 764A. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Bryant 764A insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
