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Nortek 1RP24K Installation Instructions Manual

Split system heat pump for manufactured housing
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SPLIT SYSTEM HEAT PUMP FOR MANUFACTURED HOUSING
INSTALLATION INSTRUCTIONS
*SH3QE4M SERIES - 1RP24K, 1RP30K, 1SP36K, 1SP42K, 1SP48K (2, 2.5, 3, 3.5 & 4 TON) -
SINGLE PHASE MODELS WITH QUICK CONNECTION COUPLERS
IMPORTANT SAFETY INFORMATION ......................2
HEAT PUMP INSTALLATION ....................................3
General Information ...................................................3
Before You Install this Unit .........................................3
Packaging Removal ...................................................3
Locating the Heat Pump ............................................3
Clearance Requirements ...........................................3
Ground Level .............................................................3
Roof Mount ................................................................3
Accessory Mounting Kits ............................................3
SYSTEMS EXPANSION DEVICE ...............................4
& Outdoor Unit ............................................................4
Coupling the Line-Set to the Unit................................4
REFRIGERANT CHARGING ......................................6
ELECTRICAL WIRING ...............................................7
Pre-Electrical Checklist ..............................................7
Line Voltage ...............................................................7
Grounding ..................................................................7
Thermostat Connections ............................................7
Low Voltage Connections ..........................................7
START UP & ADJUSTMENTS ...................................8
Pre-Start Check List ...................................................8
Start-Up Procedures ..................................................8
Operating Temperatures ............................................8
Air Circulation - Indoor Blower ...................................8
System Cooling ..........................................................8
System Heating ..........................................................8
Charging the Unit in AC Mode ...................................9
or higher: ..................................................................9
35 degrees F and 65 degrees F ..............................9
35 degrees F............................................................10
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 unit 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.
HEAT PUMP MAINTENANCE ....................................11
Panel Removal ...........................................................11
Panel Installation ........................................................11
ELECTRICAL DIAGRAMS & TABLES ......................12
Figure 7. Wiring Diagram for *SH3QE4M Units
Figure 8. Wiring Diagram for *SH3QE4M Units
INSTALLATION CHECKLIST .....................................16
REPLACEMENT PARTS ............................................16
Construction Safety 24 CFR part 3280.
IMPORTANT
ATTENTION INSTALLERS:
with Rotary Compressors (2.0 & 2.5T) .....12
with Scroll Compressors
(3.0, 3.5 & 4.0T).........................................13
IMPORTANT
For installation only in
HUD manufactured home per
14.3 SEER2

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Summary of Contents for Nortek 1RP24K

  • Page 1: Table Of Contents

    SPLIT SYSTEM HEAT PUMP FOR MANUFACTURED HOUSING 14.3 SEER2 INSTALLATION INSTRUCTIONS *SH3QE4M SERIES – 1RP24K, 1RP30K, 1SP36K, 1SP42K, 1SP48K (2, 2.5, 3, 3.5 & 4 TON) - SINGLE PHASE MODELS WITH QUICK CONNECTION COUPLERS IMPORTANT SAFETY INFORMATION ......2 HEAT PUMP MAINTENANCE ........11 Panel Removal ............11...

  • Page 2: Important Safety Information

    • Installation of this equipment will require the use of refrigerant line-sets with quick connect couplings. Use WARNING: only Nortek approved couplings or line-sets for these connections. *SH3QE4M Split System Heat Pumps are shipped • Follow all precautions in the literature, on tags, and on charged with R410A refrigerant and ready labels provided with the equipment.

  • Page 3: Heat Pump Installation

    HEAT PUMP INSTALLATION of clearance for the service access side to the unit’s service panel. General Information • For installations that are space constrained, one side of the The *SH3QE4M series Heat Pump is designed only for unit, adjacent to the service panel, may have its air side outdoor rooftop or ground level installations.

  • Page 4: Installation/Verification Of The Systems Expansion Device

    Dow Corning Reference Data. The correct expansion device or kit is DC200/60,000 cst. Nortek approved line-set kits include available for all approved Nortek listed applications from a packet of silicone grease for use. the parts department.
  • Page 5 6) Using a marker or scribe, mark out a line lengthwise from CAUTION: the female coupling union nut to the female coupling body, or the bulkhead. After, tighten the union nut an additional When connecting refrigerant line-sets together, 60 degrees. (1 wrench flat.) Reference the markings made to confirm that an additional 60 degrees of rotation has it is highly recommended that dry nitrogen be occurred.

  • Page 6: Refrigerant Charging

    The SH3QE4M SERIES of units, when connected to Nortek the compressor. When the refrigeration system is at normal approved line-sets and indoor equipment, do not require pressures, the switch will be closed.

  • Page 7: Electrical Wiring

    ELECTRICAL WIRING line-voltage leads to the terminals on the contactor inside the control compartment. • Use only copper wire for the line voltage power supply to WARNING: this unit in strict accordance of the NEC (ANSI/NFPA 70), applicable local codes, and the instructions provided with To avoid risk of electrical shock, personal the equipment.

  • Page 8: Start Up & Adjustments

    START UP & ADJUSTMENTS liquid line pressure is 530 psig or greater, then the Heat Pump Mild Weather Control Kit is required to be installed on the Pre-Start Check List system. Alternately, the control system could be configured √ Verify that the outdoor unit is installed according to all to utilize the emergency or auxiliary heating means in order instructions in this document.

  • Page 9: Charging The Unit In Ac Mode

    or cooling. After short removed, defrost mode will be subcooling are within 1 degree F of the target listed terminated when conditions are met. in the table. • Forced defrost can be maintained for up to 11 minutes by For fixed orifice systems: continuously maintaining the short across the test terminals.

  • Page 10: If The Outdoor Temperature Is Below 35 Degrees F

    5. With the unit in cooling mode, Adjust the charge to match the superheat (for fixed orifice systems) or subcooling (for TXV systems). There are two different resources for doing this: a.) The chargecalculator.com website. This will walk you through the charging process step by step. b.) The low ambient charging tables on the inside of the outdoor unit’s electrical box cover panel.

  • Page 11: Heat Pump Maintenance

    HEAT PUMP MAINTENANCE Panel Removal 1. Remove screws securing the panel. 2. Slide the panel up towards the top pan in order to clear WARNING: the bottom flange from the base pan. See Figure 3. Swing the bottom of the panel out and pull the panel down To prevent electrical shock, personal injury, or to remove it from the unit.

  • Page 12: Electrical Diagrams & Tables

    ELECTRICAL DIAGRAMS & TABLES YELLOW BLACK BROWN Figure 7. Wiring Diagram for *SH3QE4M Units with Rotary Compressors (2.0 & 2.5T)
  • Page 13 YELLOW BLACK BROWN Figure 8. Wiring Diagram for *SH3QE4M Units with Scroll Compressors (3.0, 3.5 & 4.0T)

  • Page 16: Installation Checklist

    Stage-1 Suction Pressure (low side): Fan Motor COMPONENTS: Blower Assembly Fan Grille Cabinet Panels Filter/Driers Expansion Valves Specifications & illustrations subject to change without notice or incurring obligations (10/22). 10441270 O’Fallon, MO, © Nortek Global HVAC LLC 2022. All Rights Reserved. (Replaces 10434500)

This manual is also suitable for:

Rsh3qeSh3qe4m series1rp30k1sp36k1sp42k1sp48k

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