Bryant 187B - Manuals - manualsarea.com

Page 2 - INSTALLATION; Check Equipment and Job Site; Inspect Equipment; Install on a Solid, Level Mounting Pad; WARNING

2 The outdoor unit contains system refrigerant charge for operationwith AHRI rated indoor unit when connected by 15 ft. (4.57 m) of field--supplied or factory accessory tubing. For proper unitoperation, check refrigerant charge using charging information located on control box cover and/or in the Ch...

Page 3 - Outdoor Unit Connected to Factory Approved Indoor; Refrigerant Tubing Connection Outdoor; CAUTION

3 Table 1 – Accessory Usage ACCESSORY REQUIRED FOR LOW --- AMBIENT COOLING APPLICATIONS (Below 55 ° F/12.8 _ C) REQUIRED FOR LONG LINE APPLICATIONS* REQUIRED FOR SEA COAST APPLICATIONS (Within 2 miles/3.22 km) Compressor Start Assist Kit No Yes No Crankcase Heater Standard Standard Standard Evaporat...

Page 4 - Make Electrical Connections

4 Refer to Fig. 3 and install filter drier as follows: 1. Braze 5--in. liquid tube to the indoor coil.2. Wrap filter drier with damp cloth.3. Braze filter drier to above 5--in. (127 mm) liquid tube. Flow arrow must point towards indoor coil. 4. Connect and braze liquid refrigerant tube to the filter...

Page 5 - Final Wiring Check; IMPORTANT; Compressor Crankcase Heater; UNIT OPERATION AND SAFETY HAZARD; PERSONAL INJURY HAZARD; SYSTEM FUNCTIONS AND SEQUENCE

5 Final Wiring Check IMPORTANT : Check factory wiring and field wire connections to ensure terminations are secured properly. Check wire routing toensure wires are not in contact with tubing, sheet metal, etc. Compressor Crankcase Heater When equipped with a crankcase heater, furnish power to heater...

Page 6 - Communication and Status Function Lights; For Evolution Control Only, Green communications; Amber Status Light; Compressor Operation; NOTE; Crankcase Heater Operation; Table 3 – Outdoor Fan Motor PWM; Time Delays

6 Communication and Status Function Lights For Evolution Control Only, Green communications (COMM)Light Green LED (COMM Light) A green LED (COMM light) on the outdoor board (see Fig. 6)indicates successful communication with the other system products. The green LED will remain OFF until communicatio...

Page 7 - Evolution Controlled Low Ambient Cooling

7 UTILITY RELAY * UTILITY SIGNAL OPEN RELAY * SUPPLIED BY UTILITY PROVIDER MODEL PLUG LLS Liquid Line Solenoid MODEL PLUG A06526 Fig. 6 -- 2--Stage Control Board Evolution Controlled Low Ambient Cooling This unit is capable of low ambient cooling down to 0 _ F (--17.78 _ C) without a kit -- ONLY whe...

Page 8 - Final Checks; CARE AND MAINTENANCE

8 Final Checks IMPORTANT : Before leaving job, be sure to do the following: 1. Ensure that all wiring is routed away from tubing and sheet metal edges to prevent rub--through or wire pinching. 2. Ensure that all wiring and tubing is secure in unit before adding panels and covers. Securely fasten all...

Page 9 - TROUBLESHOOTING; Table 4 – Winding Resistance; 30 V Brown Out Protection Defeated:

9 TROUBLESHOOTING If the compressor fails to operate with a cooling call, Table 4 can beused to verify if there is any damage to the compressor windings causing system malfunction. Table 4 – Winding Resistance Winding Winding resistance at 70 _ F +/ --- 20 _ F (21.11 _ C +/ --- 11.11 _ C) 187B024 18...

Page 10 - MAJOR COMPONENTS; OAT Thermistor must be locked in place with spherical nib end; THERMISTOR CURVE

10 cutout trips for three consecutive cycles, then unit operation islocked out for 4 hours and the appropriate fault code is displayed. No 230V at Compressor If the compressor voltage is not sensed when the compressor should be starting, the appropriate contactor may be stuck open orthere is a wirin...

Page 11 - Table 6 – TROUBLESHOOTING

11 OAT Thermistor must be locked in place with spherical nib end facing towards the front of the control box Fig. 8 -- Outdoor Air Thermistor (OAT) Attachment OCT Thermistor must be secured tight on the liquid tube. Fig. 9 -- Outdoor Coil Thermistor (OCT) Attachment Table 6 – TROUBLESHOOTING OPERATI...