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T5BP SERIES
USER'S MANUAL / INSTALLATION INSTRUCTIONS
R410A SPLIT SYSTEM HEAT PUMP - 3 PHASE
Please read this information thoroughly and become familiar with the capabilities and
use of your appliance before attempting to operate or maintain this unit. Keep this
literature where you have easy access to it in the future. If a problem occurs, check the
instructions and follow recommendations given. If these suggestions don't eliminate
your problem, call your servicing contractor.
These instructions are primarily intended to assist qualifi ed individuals experienced in
the proper installation of this appliance. Some local codes require licensed installation/
service personnel for this type of equipment. Please read all instructions carefully before
starting the installation.
IMPORTANT
DO NOT DESTROY. PLEASE READ CAREFULLY AND
KEEP IN A SAFE PLACE FOR FUTURE REFERENCE.
11.0 EER
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Summary of Contents for Nordyne T5BP Series
- Page 1 T5BP SERIES 11.0 EER USER’S MANUAL / INSTALLATION INSTRUCTIONS R410A SPLIT SYSTEM HEAT PUMP - 3 PHASE IMPORTANT Please read this information thoroughly and become familiar with the capabilities and use of your appliance before attempting to operate or maintain this unit. Keep this literature where you have easy access to it in the future.
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Page 3: Table Of Contents
USER INFORMATION Operating the Heat Pump for Automatic Important Safety Information ........4 Cooling and Heating ..........5 About the Heat Pump ..........4 Operating the Indoor Blower Continuously ....5 Operating Instructions ..........4 Shutting the Heat Pump Off ........5 Cooling Operation .............4 System Maintenance ..........5 Heating Operation .............4 Regular Cleaning............5 Emergency Heat............4... -
Page 4: Important Safety Information
USER INFORMATION IMPORTANT SAFETY INFORMATION OPERATING INSTRUCTIONS Safety markings are used frequently throughout this Please refer to the thermostat manufacturer’s User manual manual to designate a degree or level of seriousness and for detailed programming instructions. should not be ignored. WARNING indicates a potentially Cooling Operation hazardous situation that if not avoided, could result in 1. -
Page 5: Operating The Heat Pump For Automatic Cooling And Heating
USER INFORMATION At the beginning of the defrost cycle, both the outdoor HEAT PUMP MAINTENANCE condenser fan and compressor will turn off. After approximately 30 seconds, the compressor will turn on CAUTION: and begin to heat the outdoor coil causing the ice and snow to melt. -
Page 6: Important Safety Information
INSTALLER INFORMATION IMPORTANT SAFETY INFORMATION CAUTION: Please read all instructions before servicing this equipment. Pay attention to all safety warnings and any other special This unit uses refrigerant R-410A. DO NOT use notes highlighted in the manual. Safety markings are any other refrigerant in this unit. -
Page 7: Heat Pump Installation
General Information TO BE UNOBSTRUCTED The T5BP series heat pump is designed only for outdoor rooftop or ground level installations. This unit has been tested for capacity and effi ciency in accordance with A.R.I. Standards and will provide many years of safe and dependable comfort, providing it is properly installed and maintained. -
Page 8: Ground Level
Ground Level • Refrigerant tubing should be supported in a manner Ground level installations must be located according to that the tubing will not vibrate or abrade during system local building codes or ordinances and these requirements: operation. • Clearances must be in accordance with those shown •... -
Page 9: Electrical Wiring
ELECTRICAL WIRING connections in accordance with all applicable codes and ordinances. • Overcurrent protection must be provided at the branch WARNING: circuit distribution panel and sized as shown on the unit rating label and according to applicable local codes. To avoid risk of electrical shock, personal See the unit rating plate for minimum circuit ampacity injury, or death, disconnect all electrical power and maximum overcurrent protection limits. -
Page 10: Unbalanced 3-Phase Supply Voltage
Unbalanced 3-Phase Supply Voltage Thermostat Connections Voltage unbalance occurs when the voltages of all phases • Thermostat connections should be made in accordance of a 3-phase power supply are no longer equal. This with the instructions supplied with the thermostat and unbalance reduces motor effi... -
Page 11: Defrost Control Board
To set the cycle timer, place the timing pin on the defrost on the Test to common pins permanently, the defrost control board to the desired time interval post. NOTE: All cycle will be inoperable. units are shipped from the factory with the default time Defrost Test Procedure setting of 30 minutes. -
Page 12: Startup & Adjustments
START UP & ADJUSTMENTS 3. After approximately 5 minutes, verify the compressor and fan energize and the temperature of the discharge Pre-Start Check List Verify the unit is level and allows condensate to drain. air is cooler than the room temperature. ... -
Page 13: Charging R410A Units In Ac Mode With Outdoor Temperatures Above 55° F
2. Measure the liquid refrigerant temperature (in REPLACEMENT PARTS Fahrenheit) at the service valve. Replacement parts are available through all Nordyne distributors. 3. Determine the required liquid refrigerant pressure Please have the complete model and serial number of the unit when ordering replacement parts. -
Page 14: Component Functions
COMPONENT FUNCTIONS Defrost Control Board outdoor unit. The switch will close again once the liquid This control includes - 5 minute anti-short cycle timer pressure decreases to 460 psig. Please note that the switch protection for Stage 1 Heat/Cool, defrost time interval interrupts the thermostat inputs to the unit. -
Page 15: Electrical Information
ELECTRICAL INFORMATION 090C 090D 120C 120D Model Number 208-230V 460V 208-230V 460V T5BP- 920892 920893 920894 920895 PERFORMANCE DATA Gross Cooling Capacity (95 F) Btuh 92,400 92,400 120,700 120,700 Net Cooling Capacity - Btuh 90,000 90,000 116,000 116,000 A.R.I. Rated Airfl ow - C.F.M. 3,000 3,000 4,000... - Page 16 Figure 6. T5BP Wiring Diagram...
- Page 17 NOTES: TO FIELD 1. Jumper between W2 and E is required. SUPPLIED DISCONNECT 2. C &W2 to be connected to electric heat. SINGLE STAGE HEAT PUMP THERMOSTAT SEE NOTE 1 BLOWER MOTER FREEZESTAT BROWN GREEN BLACK SEE NOTE 2 BLACK TERMINAL BOARD AIR HANDLER...
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Page 18: Cooling Charging Charts
T5BP CHARGING CHARTS - COOLING ONLY Application Notes on the Use of Charging Charts • This equipment’s cooling system contains refrigerant under high pressure. Always use safe and environmentally sound methods when handling refrigerant handling or servicing the unit. Review the factory literature and safety warnings prior to servicing. - Page 19 T5BP Charging Chart - Cooling 7.5 Ton Split System Heat Pump w/ B5SM-090* Indoor Air Handler Remove refrigerant when above curve Add refrigerant when below curve 100 105 110 115 120 125 Liquid Temperature (° F) Figure 8. Charging Chart for 7.5 Ton Units T5BP Charging Chart - Cooling 10 Ton Split System Heat Pump w/ B5SM-120* Indoor Air Handler Remove refrigerant when above curve...
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Page 20: Heat Mode Verifi Cation Charts
T5BP HEAT MODE VERIFICATION CHARTS - HEATING ONLY Application Notes on the use of Heating-mode charge verifi cation charts: • Read all notes and warnings for the Cooling-mode charging charts prior to using these Heating-mode charge verifi cation charts. Always use safe and environmentally sound methods when handling refrigerant handling or servicing the unit. - Page 21 T5BP - 090 Heat Mode Verification Chart ˚ ID Rtn ˚ ID Rtn 62˚ OD Amb ˚ ID Rtn 47˚ OD Amb 17˚ OD Amb Liquid Temperature (° F) Figure 10. Verifi cation Chart for 7 1/2 ton units T5BP - 120 Heat Mode Verification Chart ˚...
- Page 24 INSTALLATION/PERFORMANCE CHECK LIST REFRIGERATION SYSTEM: INSTALLATION ADDRESS: Was unit given 24 hr warm up period for crankcase heaters? CITY ________________________ STATE ________________ Stage-1 Liquid Pressure (high side) ________________________ UNIT MODEL # ________________________________________ Stage-1 Suction Pressure (low side) ________________________ UNIT SERIAL # _______________________________________ Has the owner’s information been Unit Installed Minimum clearances per reviewed with the customer?
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