Bryant 619CNQ - Manuals - manualsarea.com

Page 2 - Table 1 — System Matches; *Units must be field reconfigured for 1; Table 2 — Application Range; *This value is for single-zone systems and may be equipped with an

—2— Table 1 — System Matches *Units must be field reconfigured for 1 1 / 2 ton (18,000 Btuh) operation. See Before Installation section on page 3 for details. NOTE: Numbers in ( ) indicate quantities when there is more than one fan coil unit in the system. Ensure unit operation within the applicatio...

Page 3 - Remove side panels by sliding forward, then away; Fig. 2 — Removal of Mounting Brackets

—3— Table 3A — Physical Data, Under Ceiling Cooling Only Units *Field reconfigured to 18,000 Btuh (1 1 / 2 tons). See Before Installation section on this page for details. †The valve connection size is 7 / 8 inch. The recommended line size is 1 1 / 8 inch. I. STEP 1 — COMPLETE PRE-INSTALLATION CHECK...

Page 4 - Table 3B — Physical Data, Under Ceiling Heat Pump Units; Remove inlet grilles from indoor unit by sliding for-; II. STEP 2 — SELECT LOCATION; Place unit adjacent to an outside wall if fresh air is

—4— Table 3B — Physical Data, Under Ceiling Heat Pump Units *Field reconfigured to 18,000 Btuh (1 1 / 2 tons). See Before Installation section on page 3 for details. †The valve connection size is 7 / 8 inch. The recommended line size is 1 1 / 8 inch. 3. Remove inlet grilles from indoor unit by slidi...

Page 5 - Fig. 3 — Base Unit Dimensions; on top and rear

—5— Fig. 3 — Base Unit Dimensions UNIT SIZE WEIGHT (lb) A B E F G Cooling Only Heat Pump ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm 024 108 110 4- 2 15 / 16 1294 3-10 1169 4- 1 5 / 8 1260 — — 1- 9 5 / 8 549 036 117 119 4-10 13 / 16 1493 4- 5 7 / 8 1368 4- 9 1 / 2 1459 — — 2- 1 1 / 2 648 048 1...

Page 7 - under; UNIT SIZE

—7— F. To Install Thermostat: If there is at least 3 / 8 in. of space between the back of indoor unit and wall: 1. Route thermostat wires (field-supplied) through slot in right side or rear panel of indoor unit (Fig. 3). 2. Route wires over refrigerant and drain piping as shown in Fig. 12. IMPORTANT...

Page 9 - Fig. 10 — Mounting Hanging Brackets; Teflon Seal must face toward the outdoor heat pump unit.; Fig. 13 — AccuRater Metering Device at Service Valve

—9— HEX-HEAD BOLT MOUNTING SLOT Fig. 10 — Mounting Hanging Brackets Fig. 11 — Hanging Fan Coil Unit *Factory-supplied. Fig. 12 — Routing Wires Over Piping NOTE: Teflon Seal must face toward the outdoor heat pump unit. Fig. 13 — AccuRater Metering Device at Service Valve (Bypass Type Components), Hea...

Page 10 - VI. STEP 6 — MAKE ELECTRICAL CONNECTIONS; Use copper wire only between disconnect switch(es); Table 5 — Electrical Data*; To avoid personal injury or damage to

—10— VI. STEP 6 — MAKE ELECTRICAL CONNECTIONS Be sure field wiring complies with local building codes andNEC, and unit voltage is within limits shown in Table 5. Contact local power company for correction of improper linevoltage. NOTE: Use copper wire only between disconnect switch(es) and unit. NOT...

Page 11 - LEGEND; ††Insulate for heat pump application.; NEC —

—11— Fig. 14 — Component Location (Typical Ceiling-Suspended System) LEGEND *Standard. †Accessory item. **Field supplied. ††Insulate for heat pump application. NOTES: 1. All piping must follow standard refrigerant piping techniques.2. All wiring must comply with the applicable local and national cod...

Page 12 - Terminal Block; Fig. 16 — Line Power Connections

—12— VII. STEP 7 — INSTALL THERMOSTAT These systems use a 3-speed thermostat. The thermostatmonitors the system operation and controls the operatingmode. To change settings or refer to the thermostat Operat-ing Instructions. Mount thermostat to a wall in the occupied space using 2field-supplied scre...

Page 13 - Fig. 17 — Control Circuit Connections Arrangement

—13— LEGEND ASM — Air Sweep Motor ASR — Air Sweep Relay EQUIP GND — Equipment Ground FL — Fuse Link FPT — Freeze Protection Thermostat HP — Heat Pump HR — Heater Relay HTR — Heater HTT — Heater Temp. Thermostat IFM — Indoor-Fan Motor NEC — National Electrical Code PL — Plug TB — Terminal Board TRAN ...

Page 14 - COOLING ONLY; Fig. 18 — Thermostats

—14— AUTO COOL HEAT COOL HEAT AUTO FLAT THERMOSTAT (FLATSTAT) COOLING ONLY HEAT & COOL (53DFS250-FS-BRY) SLIMLINE THERMOSTAT HEAT PUMP COOLING ONLY HEAT & COOL (53DFS250-SL-BRY) 5-1-1 PROGRAMMABLE THERMOSTAT COOLING ONLY HEAT & COOL (53DFST2-NP-BRY) Fig. 18 — Thermostats a40-1384 a40-138...

Page 15 - A. Check AccuRater Metering Device; Piston style as shown in Fig. 19 is shipped with the unit.; B. Cooling Only Systems

—15— VIII. STEP 8 — MAKE CONNECTIONS BETWEEN INDOORAND OUTDOOR UNITS The thermostat is wired between the indoor and outdoorunits to make the system complete. A. Check AccuRater Metering Device The correct AccuRater (bypass type) refrigerant control isrequired for system capacity optimization. An Acc...

Page 16 - Fig. 20 — Cooling System Wiring Diagram

—16— 5 38 A 619CNF,CNQ 5 38 A 619CNF,CNQ Fig. 20 — Cooling System Wiring Diagram a40-1636

Page 17 - Fig. 21 — Heat Pump Wiring Diagram

—17— 619CNQ 5 38 B 5 38 B 619CNQ Fig. 21 — Heat Pump Wiring Diagram a40-1637

Page 19 - Remove filters by pulling them straight out.; B. Clean Or Replace Filters; To avoid the possibility of electric; Fig. 22 — Inserting Water into Drain Pan

—19— The DFB logic checks the 10-minute defrost timer and theDFT. If the DFT opens in less than 10 minutes, the DFBswitches the unit back to normal heating operation. If theDFT remains closed, the DFB switches the unit back toheating operation after 10 minutes. When the DFB changesback to heating mo...

Page 21 - Table 7 — Troubleshooting

—21— Table 7 — Troubleshooting *If fuse blows or circuit breaker trips again after first start attempt, DO NOT attempt to start system again. Contact your local dealer for assistance. †When outdoor temperature is approximately 55 F or below, indoor coil frosting may occur when system is operated in ...

Page 22 - SERVICE TRAINING

Copyright 2006 Bryant Heating & Cooling Systems Printed in U.S.A. CATALOG NO. 02-619C0001-II SERVICE TRAINING Packaged Service Training programs are an excellent way to increase your knowledge of the equip- ment discussed in this manual, including: • Unit Familiarization • Maintenance • Installa...

Page 23 - I. PRELIMINARY INFORMATION

CL-1 START-UP CHECKLIST I. PRELIMINARY INFORMATION OUTDOOR UNIT: MODEL NO. ___________________ INDOOR UNIT: MODEL NO. _____________________ SERIAL NO. ___________________________________ SERIAL NO. ___________________________________ ACCESSORIES: _____________________________________________________...

Page 24 - MEASURE AND RECORD THE:

Copyright 2006 Bryant Heating & Cooling Systems Printed in U.S.A. CL-2 6-06A CATALOG NO. 02-619C0001-II CUT ALONG DO TT ED LINE CUT ALON G D O TT ED LINE START-UP CHECKLIST (cont) IV. START-UP IF UNIT HAS A CRANKCASE HEATER, HAS IT BEEN ON FOR 24 HOURS? ____________ MEASURE AND RECORD THE: AIR E...