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*Q95RD SERIES
INSTALLATION INSTRUCTIONS
SINGLE PACKAGE HEAT PUMP - SINGLE STAGE, R-454B
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. Safety should always be
the deciding factor when installing this product and using common sense plays an important
role as well. Pay attention to all safety warnings and any other special notes highlighted in the
manual. Improper installation of the furnace or failure to follow safety warnings could result in
serious injury, death, or property damage.
These instructions are primarily intended to assist qualified 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. Return these instructions to the customer's package for future reference.
DO NOT DESTROY. PLEASE READ CAREFULLY & KEEP IN A SAFE PLACE FOR FUTURE REFERENCE.
IMPORTANT
ATTENTION INSTALLERS:
13.4 SEER2
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Summary of Contents for Nortek Q95RD Series
- Page 1 *Q95RD SERIES 13.4 SEER2 INSTALLATION INSTRUCTIONS SINGLE PACKAGE HEAT PUMP - SINGLE STAGE, R-454B 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.
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Page 2: Table Of Contents
TABLE OF CONTENTS IMPORTANT SAFETY INFORMATION .....3 STARTUP & ADJUSTMENTS ........12 Pre-Start Checklist ..........12 REQUIREMENTS & CODES ........4 Start-Up Procedure ..........12 Table 1. Required Air Flow , Maximum Charge Air Circulation ............12 Allowed, Required minimum Area of Conditioned System Heating ............12 space per UL60335-2-40 Annex GG .......4 System Cooling ............13 GENERAL INFORMATION ........5... -
Page 3: Important Safety Information
IMPORTANT SAFETY INFORMATION WARNING: Please read all instructions before servicing this equipment. Pay attention to all safety warnings and any other special ELECTRICAL SHOCK, FIRE OR notes highlighted in the manual. Safety markings are used EXPLOSION HAZARD frequently throughout this manual to designate a degree or level of seriousness and should not be ignored. -
Page 4: Requirements & Codes
• The appliance shall be stored in a room without continuously WARNING: operating ignition sources (for example: open flames, an operating gas appliance or an operating electric heater. The The information listed below and on the next appliance shall be stored so as to prevent mechanical damage from occurring. -
Page 5: General Information
• Verify the required speed from the airflow data found in Table ventilated before breaking into the system or conducting any 6, (page 19). Place appropriate wire on the appropriate motor hot work. A degree of ventilation shall continue during the speed tap for the required airflow. -
Page 6: Before You Install This Unit
Before You Install this Unit √ The cooling load of the area to be conditioned must be Air Duct System calculated and a system of the proper capacity selected. It is Air ducts should be installed in accordance with the standards of recommended that the area to be conditioned be completely the National Fire Protection Association “Standard for Installation insulated and vapor sealed. -
Page 7: Rooftop Installation
SINGLE DUCT APPLICATION MULTIPLE DUCT APPLICATION Figure 2. Single & Multiple Duct Applications Rooftop Installation CAUTION: Rooftop installations must follow local building codes or applicable safety codes and requirements: • Prepare a supporting rack that is adequately designed to All panels must be securely in place when rigging support and handle the unit weight and minimum wind loads, and hoisting. -
Page 8: Heat Pump Installation
NOTE: Appropriate protection should be used between the strap and the sheet metal edge of the unit. Figure 3. Slings and Bottom Channels HEAT PUMP INSTALLATION 2. Fasten the collar ends with two self drilling sheet metal screws. 3. Position the collar over the opening and align the 4 holes in Unpacking the Unit the collar with the 4 holes (or dimples depending on model) It is recommended that the unit be unpacked at the installation... -
Page 9: Return Duct
Return Duct Locating & Installing the Supply Damper(s) 1. Assemble the collar by overlapping the two ends. NOTE: One end of the collar is slotted and the opposite end CAUTION: has two small holes. Position the end with small screw holes underneath the slotted end. -
Page 10: Electrical Connections
ELECTRICAL CONNECTIONS WARNING: Risk of electric shock, can cause injury or death, disconnect all remote electric power supplies to the unit before servicing. • Check that cabling will not be subject to wear, corrosion, excessive pressure, vibration, sharp edges or any other adverse environmental effects. -
Page 11: Overcurrent Protection
Defrost Control Board Test Pins • 208/230 Volt units are shipped from the factory wired for 230 • Placing a jumper between the test pins for less than 1 second volt operation. For 208V operation, remove the lead from the transformer terminal marked 240V and connect it to the will bypass the Anti-Short Cycle Timer. -
Page 12: Ambient Sensor Mounting
WARNING: To avoid electric shock, personal injury, or death, turn off the electric power at the disconnect or the main service panel before making any electrical connections. CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. -
Page 13: System Cooling
• Refrigerant sensor for refrigerant leak detection shall only be • If the short across the TEST pins exist, the unit will stay replaced with sensor specified by NORTEK. in DEFROST as long as the short remains or until the •... -
Page 14: Heat Pump Maintenance
HEAT PUMP MAINTENANCE WARNING: LEAK DETECTION SENSOR STATUS STATE To prevent electrical shock, personal injury, or death, disconnect all electrical power to the unit Power up Warm up Green On, steady before performing any maintenance or service. Normal Operation Green Heartbeat The unit may have more than one electrical Power Up Fail... -
Page 15: Refrigerant Charging
Removing Refrigerant and Evacuation REFRIGERANT CHARGING • When breaking into the refrigerant circuit to make repairs – or for any other purpose – conventional procedures shall be used. CAUTION: However, for flammable refrigerants it is important that best practice be followed, since flammability is a consideration. The following procedure shall be adhered to: This heat pump contains liquid and gaseous o Safely remove refrigerant following local and national... -
Page 16: Refrigerant Recovery
Refrigerant Recovery The following additional requirements shall be followed due to the mildly flammable refrigerant used in this system. WARNING: • Recovering refrigerant involves breaking into the refrigerant circuit. It should only be attempted by qualified trained personnel thoroughly familiar with this equipment. Under Recovering refrigerant involves breaking into the no circumstances should the owner attempt to do this work. -
Page 17: Decommissioning
instructed on the nature of work being carried Take a sample of oil and refrigerant in out. Work in confined spaces shall be avoided. case analysis is required prior to re-use of • Checking for presence of refrigerant The area recovered refrigerant. -
Page 18: Figures & Tables
FIGURES & TABLES Top View 1.75 Ø Electric Heater Power Supply 1.125 Ø Power Supply 0.875 Ø Low Voltage Supply Side View Control Blower Access Panel Access 17.86 Panel 15.36 10.10 1" 3/4" NPT Drain Connection 1.38 18.01 3” 3.2 5.29 12.13 Opening for Alternate Power... - Page 19 HEAT RISE DATA (BASED ON NOMINAL 10KW ELECTRIC HEAT KIT) EXTERNAL STATIC PRESSURE DROP - INCHES WATER COLUMN MODEL BLOWER NUMBER SETTING Q94RD HEAT HEAT HEAT HEAT HEAT HEAT HEAT HEAT RISE RISE RISE RISE RISE RISE RISE RISE Tap T1 1,009 Tap T2* 1,063...
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Page 20: Wiring Diagrams
Wiring Diagrams Figure 13. Wiring Diagram (Q95RD 2, 2.5, 3, 3.5 & 4 Ton Models) - Page 21 Figure 14. Wiring Diagram (5 Ton Models)
- Page 22 Typical Wiring for 1-Stage Cool / Heat, 1 Stage Electric Heat For HUD applications Remove white wire between terminal W2 INDOOR and W2 IN terminal TERMINAL *HUD DEFROST Outdoor BOARD Thermostat BROWN ORANGE JUMPER W2 IN W2 OUT For HUD applications move the white jumper wire from W2 terminal and connect to W2 IN terminal ACCESSORY HEAT PLUG...
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Page 24: Replacement Parts
INSTALLATION CHECKLIST ELECTRICAL SYSTEM INSTALLATION ADDRESS: Electrical connections tight? CITY: STATE: Line voltage polarity correct? Rated Voltage: UNIT MODEL #: L1-L2 Voltage: Has the thermostat been calibrated? UNIT SERIAL #: Is the thermostat level? Unit Installed Minimum clearances Is the heat anticipator setting correct? Figure 1 (Page INSTALLER NAME: REFRIGERATION SYSTEM...
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