Bryant 559F инструкция обслуживания

CONTENTS Page SAFETY CONSIDERA TIONS ........................1 INST ALLA TION ................................. 1-15 I. Step 1 — Provide Unit Support ...............1 II. Step 2 — Rig and Place Unit .................1 III. Step 3 — Field Fabricate Ductwork ............7 IV . Step 4 — Make Unit Duct Connections .........7 V . S t e p5—T r [...]

PKG. NO. REF . CURB HEIGHT DESCRIPTION 308450-201 1 8 -2 9 (305) Standard Curb 14 9 High 308450-202 2 8 -0 9 (610) Standard Curb for Units Requiring High Installation 308450-203 2 8 -0 9 (610) Side Supply and Return Kit for High Installation NOTES: 1. Roof curb accessory is shipped disassembled. 2. Insulated panels: 1 ⁄ 2 9 thick neoprene coated [...]

NOTE: For preassembled horizontal adapter roof curb part no. 389210-201, the accessory kit includes a factory-designed, high- static, regain transition duct. For horizontal curb part no. 308450- 203, a field-supplied transition duct is required. Fig. 2 — Horizontal Adapter Roof Curb and Roof Curb UNIT 559F MAXIMUM SHIPPING WEIGHT DIMENSIONS AB l[...]

POWER EXHAUST/ BAROMETRIC RELIEF (ACCESSORY ONL Y) UNIT STD UNIT WEIGHT ECONOMIZER WEIGHT CORNER A CORNER B CORNER C CORNER D DIM A DIM B DIM C Lb Kg Lb Kg Lb Kg Lb Kg Lb Kg Lb Kg ft-in. mm ft-in. mm ft-in. mm 559F180 1550 703 1 10 50 391 177 365 166 384 174 410 186 3-5 1041 3-6 1067 1-10 559 559F216 1650 748 1 10 50 399 181 384 174 402 182 439 199[...]

POWER EXHAUST/ BAROMETRIC RELIEF (ACCESSORY ONL Y) UNIT STD UNIT WEIGHT ECONOMIZER WEIGHT CORNER A CORNER B CORNER C CORNER D DIM A DIM B DIM C Lb Kg Lb Kg Lb Kg Lb Kg Lb Kg Lb Kg ft-in. mm ft-in. mm ft-in. mm 559F240 1700 771 1 10 50 419 190 394 179 425 193 463 210 3-4 1016 3-5 1041 1-8 508 559F300 1850 839 1 10 50 428 194 412 187 511 232 499 226 [...]

T able 1 — Physical Data UNIT 559F 180 216 240 300 NOMINAL CAP ACITY (tons) 15 18 20 25 OPERA TING WEIGHT 1550 1650 1700 1850 COMPRESSOR Scroll, Copeland Quantity ... Model (Ckt 1 , Ckt 2) 2...ZR94KC 1...ZR108KC, 1...ZR94KC 1...ZR125KC, 1...ZR108KC 1...ZR16M3, 1...ZR125KC Number of Refrigerant Circuits 22 2 2 Oil (oz) (Ckt 1 , Ckt 2) 81, 81 106,8[...]

III. STEP 3 — FIELD F ABRICA TE DUCTWORK Secure all ducts to building structure. Use flexible duct con- nectors between unit and ducts as required. Insulate and weath- erproof all external ductwork, joints, and roof openings with counter flashing and mastic in accordance with applicable codes. Ducts passing through an unconditioned space must b[...]

VI. STEP 5 — MAKE ELECTRICAL CONNECTIONS A. Field Power Supply Unit is factory wired for voltage shown on nameplate. When installing units, provide a disconnect, per NEC (Na- tional Electrical Code) requirements, of adequate size (T able 2). All field wiring must comply with NEC and local requirements. Route power lines through control box acces[...]

T able 2 — Electrical Data UNIT 559F NOMINAL VOL T AGE (3 Ph, 60 Hz) VOL T AGE RANGE COMPRESSOR OFM IFM POWER EXHAUST ELECTRIC HEA T* POWER SUPPL Y No. 1 No. 2 Min Max RLA LRA RLA LRA Qty Hp FLA (ea) Hp FLA FLA LRA kW FLA MCA MOCP† 180 (15 T ons) 208/230 187 253 28.8 195 28.8 195 3 0.5 1.7 3.7 10.5/1 1.0 — — — — 81/81 100/100 4.6 18.8 ?[...]

T able 2 — Electrical Data (cont) UNIT 559F NOMINAL VOL T AGE (3 Ph, 60 Hz) VOL T AGE RANGE COMPRESSOR OFM IFM POWER EXHAUST ELECTRIC HEA T* POWER SUPPL Y No. 1 No. 2 Min Max RLA LRA RLA LRA Qty Hp FLA (ea) Hp FLA FLA LRA kW FLA MCA MOCP† 300 (25 T ons) 208/230 187 253 41.0 350 37.8 239 2 1 6.6 10.0 28.0/28.0 — — — — 130/130 150/150 4.6[...]

VII. STEP 7 — MAKE OUTDOOR-AIR INLET ADJUSTMENTS A. Manual Outdoor-Air Damper All units (except those equipped with a factory-installed econo- mizer) have a manual outdoor-air damper to provide venti- lation air . Damper can be preset to admit up to 25% outdoor air into return-air compartment. T o adjust, loosen securing screws and move damper to[...]

VIII. STEP 8 — INST ALL OUTDOOR-AIR HOOD The same type of factory-installed hood is used on units with 25% air ventilation and units with an economizer . NOTE: The hood top panel, upper and lower filter retainers, hood drain pan, baf f le (size 300), and filter support bracket are secured opposite the condenser end of the unit. The screens, hoo[...]

NOTE: For maximum benefit of outdoor air , set the enthalpy control to the ‘‘A ’’ setting. At this setting, when the relative humidity is 50% and the outdoor air is below 74 F , the relay contacts on the sensor will be closed. 9. Reinstall economizer hoods if removed. IMPORT ANT : Be sure all seal strips and RTV sealant are in- tact. A wat[...]

T ransformer (460-v Units Only) — On 460-v units, a trans- former is required. The transformer is provided with the ac- cessory and must be field-installed. Sensor Assembly — Install the sensor assembly in the loca- tion shown in Fig. 23. Motormaster t I Control — Recommended mounting location is on the inside of the panel to the left of the[...]

ST ART -UP Use the following information and Start-Up Checklist on page CL-1 to check out unit PRIOR to start-up. I. UNIT PREP ARA TION Check that unit has been installed in accordance with these installation instructions and all applicable codes. II. SERVICE V AL VES Ensure that optional suction, discharge, and standard liquid line service valves [...]

T able 5 — Fan Performance — 559F180 559F180 (15 TONS) Airflow (Cfm) A vailable External Static Pressure (in. wg) 0.2 0.4 0.6 0.8 1.0 1.2 Rpm Bhp W atts Rpm Bhp Watts Rpm Bhp W atts Rpm Bhp Watts Rpm Bhp W atts Rpm Bhp Watts 4500 684 1.28 1 102 791 1.49 1283 887 1.70 1466 977 1.92 1652 1061 2.13 1841 1 139 2.36 2034 4800 715 1.47 1265 817 1.68[...]

T able 6 — Fan Performance — 559F216 and 240 559F216 and 240 (18 and 20 TONS) Airflow (Cfm) A vailable External Static Pressure (in. wg) 0.2 0.4 0.6 0.8 1.0 1.2 Rpm Bhp W atts Rpm Bhp Watts Rpm Bhp W atts Rpm Bhp Watts Rpm Bhp W atts Rpm Bhp Watts 5,500 682 1.99 1675 760 2.29 1922 832 2.59 2177 901 2.90 2441 965 3.22 2712 1027 3.56 2990 6,000 [...]

T able 7 — Fan Performance — 559F300 559F300 (25 TONS) Airflow (Cfm) A vailable External Static Pressure (in. wg) 0.2 0.4 0.6 0.8 1.0 1.2 Rpm Bhp W atts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp W atts Rpm Bhp W atts Rpm Bhp W atts 7,000 845 3.26 2693 909 3.60 2979 969 3.96 3272 1028 4.32 3574 1083 4.70 3883 1 137 5.08 4,200 7,500 896 3.82 3156 956 [...]

T able 8 — Accessory/FIOP Static Pressure (in. wg) — 559F180 COMPONENT CFM 4500 5000 6000 7200 7500 Economizer 0.04 0.05 0.07 0.09 0.10 Glycol Coil 0.22 0.26 0.35 0.44 0.46 Electric Heat (kW) 26/34 0.06 0.07 0.09 0.1 1 0.12 32 0.06 0.07 0.09 0.1 1 0.12 42/56 0.07 0.08 0.12 0.16 0.17 55 0.07 0.08 0.12 0.15 0.17 56/75 0.09 0.10 0.15 0.20 0.21 80 [...]

XIII. BASE UNIT OPERA TION A. Cooling, Units Without Economizer When thermostat calls for cooling, terminals G and Y1 are energized. The indoor (evaporator) fan contactor (IFC), and compressor contactor no. 1 (C1) are energized and evaporator- fan motor , compressor no. 1 and condenser fans start. The condenser-fan motors run continuously while uni[...]

III. EV APORA TOR F AN PERFORMANCE ADJUSTMENT (Fig. 25-27) Fan motor pulleys are factory set for speed shown in T able 1. T o change fan speeds: 1. Shut of f unit power supply . 2. a. Size 180 Only: Loosen belt by loosening fan motor mounting plate nuts. b. Size 216-300 Only: Loosen nuts on the 2 carriage bolts in the motor mounting base. Install j[...]

4. Using jacking bolt under motor base, raise motor to top of slide and remove belt. Secure motor in this position by tightening the nuts on the carriage bolts. 5. Remove the belt drive. 6. Remove jacking bolt and tapped jacking bolt plate. 7. Remove the 2 screws that secure the motor mounting plate to the motor support channel. 8. Remove the 3 scr[...]

T able 1 1 — Economizer Checkout Procedures TEST PROCEDURE RESUL TS A. Disconnect power at TR and TR1. Disconnect jumper between P and P1. See Fig. 15. B. Jumper TR to 1. C. Jumper T1 to T . D. Disconnect outdoor-air thermostat connections from S O and +. Factory-installed 800 ohm resistor should remain connected to S R and +. E. Reconnect power [...]

Crankcase Heater Only the 559F300 unit is equipped with a 70-watt crankcase heater to prevent absorption of liquid refrigerant by oil in the crankcase when the compressor is idle. The crankcase heater is energized whenever there is a main power to the unit and the compressor is not energized. IMPORT ANT : After prolonged shutdown or servicing, ener[...]

TROUBLESHOOTING Refer to T able 13 for troubleshooting details. T able 13 — Cooling Service Analysis PROBLEM CAUSE REMEDY Compressor and condenser 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 . [...]

Fig. 31 — T ypical Wiring Schematic (559F180, 460-v Shown) —26—[...]

LEGEND AND NOTES FOR FIG. 31 AND 32 Fig. 31 — T ypical Wiring Schematic (559F180, 460-v Shown) (cont) AHA — Adjustable Heat Anticipator BKR W/A T — Breaks with Amp Turns C— Contactor , Compressor CAP — Capacitor CB — Circuit Breaker CC — Cooling Compensator CLO — Compressor Lockout CLS — Compressor Lockout Switch COMP — Compress[...]

Fig. 32 — T ypical Component Arrangement (559F180 Shown) —28—[...]

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SERVICE TRAINING Packaged Service T raining programs are an excellent way to increase your knowledge of the equipment discussed in this manual, including: • Unit Familiarization • Installation Overview • Maintenance • Operating Sequence A large selection of product, theory , and skills programs are available, using popular video-based forma[...]

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ST ART -UP CHECKLIST MODEL NO.: DA TE: SERIAL NO.: TECHNICIAN: I. PRE-ST ART -UP: M VERIFY THA T ALL P ACKING MA TERIALS HA VE BEEN REMOVED FROM UNIT M VERIFY INST ALLA TION OF INDOOR F AN MOTOR ADJUSTMENT BOL T (180 UNITS) OR ADJUSTMENT BOL T AND PLA TE (216-300 UNITS) M OPEN ALL SER VICE V AL VES (SUCTION, DISCHARGE, AND LIQUID) M VERIFY INST ALL[...]