START-UP CHECKLIST

(Remove and Store in Job File)

I. PRELIMINARY INFORMATION

MODEL NO.:

 

SERIAL NO.:

 

DATE:

 

 

TECHNICIAN:

 

II.PRE-START-UP (insert checkmark in box as each item is completed)

j VERIFY THAT JOBSITE VOLTAGE AGREES WITH VOLTAGE LISTED ON RATING PLATE j VERIFY THAT ALL PACKAGING MATERIALS HAVE BEEN REMOVED FROM UNIT

j REMOVE ALL SHIPPING HOLDDOWN BOLTS AND BRACKETS PER INSTALLATION INSTRUCTIONS j VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTALLATION INSTRUCTIONS j CHECK ALL ELECTRICAL CONNECTIONS AND TERMINALS FOR TIGHTNESS

j CHECK THAT RETURN (INDOOR) AIR FILTERS ARE CLEAN AND IN PLACE j VERIFY THAT UNIT INSTALLATION IS LEVEL

j CHECK FAN WHEELS AND PROPELLER FOR LOCATION IN HOUSING/ORIFICE AND SETSCREW TIGHTNESS

j CHECK TO ENSURE THAT ELECTRICAL WIRING IS NOT IN CONTACT WITH REFRIGERANT LINES OR SHARP METAL EDGES

j CHECK PULLEY ALIGNMENT AND BELT TENSION PER INSTALLATION INSTRUCTIONS

III. START-UP

ELECTRICAL

 

 

 

 

 

SUPPLY VOLTAGE

L1-L2

 

L2-L3

 

L3-L1

COMPRESSOR AMPS

L1

 

L2

 

L3

 

 

INDOOR FAN AMPS

L1

 

L2

 

L3

 

 

 

 

 

 

 

 

TEMPERATURES

 

 

 

 

OUTDOOR-AIR TEMPERATURE

 

DB

 

 

RETURN-AIR TEMPERATURE

 

DB

 

WB

 

 

COOLING SUPPLY AIR

 

DB

 

WB

 

 

 

 

 

 

 

PRESSURES (Cooling Mode)

REFRIGERANT SUCTION

 

PSIG

 

F

REFRIGERANT DISCHARGE

 

PSIG

 

F

 

 

 

 

 

 

 

jVERIFY THAT 3-PHASE FAN MOTOR AND BLOWER ARE ROTATING IN CORRECT DIRECTION. IF THEY ARE NOT ROTATING IN CORRECT DIRECTION, LOCKING COLLAR MUST BE RE-TIGHTENED AFTER CORRECTING DIRECTION OF ROTATION

jVERIFY THAT 3-PHASE SCROLL COMPRESSOR IS ROTATING IN THE CORRECT DIRECTION j VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS

GENERAL

551B,C

jSET ECONOMIZER MINIMUM VENT AND CHANGEOVER SETTINGS TO MATCH JOB REQUIREMENTS (IF EQUIPPED)

jADJUST INDOOR FAN PULLEY AS REQUIRED TO MEET APPLICATION AIRFLOW REQUIREMENTS. INSURE PULLEYS ARE PROPERLY ALIGNED AND BELT TENSION HAS BEEN ADJUSTED PER INSTALLATION INSTRUCTIONS AFTER PULLEY ADJUSTMENTS

E2007 Bryant Heating & Cooling Systems 7310 W. Morris St. Indianapolis, IN 46231

Printed in U.S.A.

Edition Date: 3/07

Catalog No. II551B---C---36---1

 

 

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Replaces: II 551B--- 36--- 6

61

Page 61
Image 61
Bryant 551C installation instructions Preliminary Information, Catalog No. II551B---C---36---1

551C, 551B specifications

The Bryant 551B and 551C are two highly efficient air conditioning units designed to provide optimal comfort in residential settings. Known for their reliability and performance, these models are part of Bryant's esteemed line of heating and cooling solutions.

One of the standout features of the Bryant 551B is its two-stage cooling system, which allows for better humidity control and increased comfort. This ensures that homeowners can enjoy consistent temperatures while reducing energy consumption. The unit operates quietly, thanks to its noise-reducing technology, making it an ideal choice for bedrooms and living spaces.

On the other hand, the Bryant 551C builds upon this foundation with its variable-speed compressor. This technology allows the unit to adjust its cooling output according to the specific needs of the home. This results in seamless operation and even greater energy efficiency. Both models also incorporate Bryant's advanced control capabilities, which allow users to monitor and adjust settings remotely via smart devices, adding a layer of convenience and modernity to home climate control.

With an emphasis on durability, both the 551B and 551C feature a galvanized steel cabinet that protects against weather-related damage. The powder coat finish further enhances their resistance to rust and corrosion, ensuring a long lifespan and minimal maintenance.

Another significant characteristic of these units is their excellent Seasonal Energy Efficiency Ratio (SEER) ratings. The 551B boasts a SEER rating of up to 16, while the 551C takes it even further with ratings exceeding 20. This efficiency not only translates to lower energy bills for homeowners but also contributes to a reduced carbon footprint, making these units environmentally friendly options.

Both models are also designed to operate with eco-friendly refrigerants, aligning with modern energy standards and regulations aimed at reducing greenhouse gas emissions.

In summary, the Bryant 551B and 551C are exemplary choices for homeowners looking for reliable, efficient, and high-performing air conditioning solutions. With features such as two-stage and variable-speed compressors, advanced smart technology, and robust construction, these models stand out in the competitive HVAC market. They promise a comfortable indoor environment along with significant energy savings, making them a wise investment for the future.