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*Q104SD SERIES 13.4 SEER2 / 6.7 HSPF2 USER’S MANUAL / INSTALLATION INSTRUCTIONS SINGLE PACKAGE HEAT PUMP - SINGLE PHASE - R410A IMPORTANT ATTENTION INSTALLERS: It is your responsibility to know this product better than your customer. This includes being able to install the product according to strict safety guidelines and instructing the customer on how to operate and maintain the equipment for the life of the product.
USER INFORMATION IMPORTANT SAFETY INFORMATION ....3 Operating the Heat Pump for Automatic Cooling and Heating ............4 ABOUT THE HEAT PUMP ........3 Operating the Indoor Blower Continuously .....4 OPERATING INSTRUCTIONS .........3 Shutting the Heat Pump Off ........4 Cooling Operation ..........3 HEAT PUMP MAINTENANCE ........4 Heating Operation ..........3 Regular Cleaning............4 Emergency Heat.............3...
USER INFORMATION OPERATING INSTRUCTIONS IMPORTANT SAFETY INFORMATION Please refer to the thermostat manufacturer’s User manual Please read all instructions before servicing this equipment. for detailed programming instructions. Pay attention to all safety warnings and any other special notes highlighted in the manual. Safety markings are Cooling Operation used frequently throughout this manual to designate a 1.
USER INFORMATION HEAT PUMP MAINTENANCE melting frost to evaporate. When defrost is completed, the outdoor fan motor will start, and the compressor will turn off again. In approximately 30 seconds the compressor CAUTION: will start up again and continue normal operation. Shut off all electrical power to the unit before Operating the Heat Pump for Automatic performing any maintenance or service on the...
INSTALLER INFORMATION IMPORTANT SAFETY INFORMATION WARNING: Safety markings are used frequently throughout this manual to designate a degree or level of seriousness and Do not place combustible material on or against should not be ignored. WARNING indicates a potentially the unit cabinet. Do not place combustible hazardous situation that if not avoided, could result in materials, including gasoline and any other personal injury or death.
GENERAL INFORMATION The Q104SD series heat pump is designed only for 0" 36” For Coil Only outdoor rooftop or ground level installations. This unit has been tested for capacity and efficiency in accordance with AHRI Standards and will provide many years of safe and dependable comfort, providing it is properly installed and maintained.
• Single phase downflow applications require either a Minimum Clearances Nortek internal filter kit be used, or an air filter system Q104SD units are certified as combination heating and be installed in the return air ductwork. See Table 2 for cooling equipment for outdoor installation only.
Condensate Drain Roof Curb Figure 5. Condensate Drain Location Figure 4. Roof Top Installation ELECTRICAL WIRING • Units require horizontal roof curb and return air kit for WARNING: horizontal installations. • Ductwork should be attached directly to flanges on To avoid risk of electrical shock, personal injury, panels supplied in horizontal duct conversion kits.
Safety Protection protection must be in compliance with information listed • A high-pressure switch is factory-installed and located on the outdoor unit data label. Any other wiring methods in the compressor discharge line of the unit. The switch must be acceptable to authority having jurisdiction. is designed to de-energize the system when very high •...
Forced Defrost When the Following Conditions are Met: • LPS and HPS are closed • Y1 input is active • O input is either active or inactive Bolt • TEST terminals shorted for more than three seconds Compressor will start and unit will operate in DEFROST mode.
START UP & ADJUSTMENTS 3. Allow the cooling system to operate for several minutes and then set the temperature selector above room Pre-Start Check List temperature. Verify the fan and compressor cycle off √ Verify the unit is level and allows condensate to drain. with the thermostat.
IMPORTANT NOTES: • Return to the system when the outdoor temperature is • To achieve rated capacity and efficiency the compressor 60 degrees F or higher and follow the steps defined in must be exposed to refrigerant for at least 24 hours prior Charging an R410A Unit in AC Mode.
Electrical Information to Blower Relay (Cooling Speed) Brown Y1- IN Orange Defrost Board W2 Out Accesory Heat W2 IN Plug Y2 IN (Not Used) L-24V Output Fault Monitor (See thermostat manual for compatibility) Indoor Unit Terminal Thermostat Block Sub-Base Typical Wiring (Field Supplied) for 1-Stage Cool, 1-Stage Electric Heat to Blower Relay (Cooling Speed) Brown Y1- IN...
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Figure 9. Wiring Diagram for 208/230V Units...
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