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General| Brand | Nortek |
|---|---|
| Model | P7RE Series |
| Category | Air Conditioner |
| Language | English |
Guidance for installers regarding responsibilities, safety, and customer instruction for proper installation.
Safety warnings related to electrical hazards during servicing and installation.
Instructions and warnings for qualified personnel regarding R-410A refrigerant installation and servicing.
Warning against placing combustible materials near the unit.
Caution regarding the use of R-410A refrigerant only and potential damage from other types.
Precautions for installers, including checking model, refrigerant handling, safety equipment, and unit location.
Information on compliance with local, state, and national electrical and air duct installation codes.
Checks for cooling load, electrical supply adequacy, and unit condition upon arrival.
Guidelines for selecting the best outdoor location, considering duct length, shading, and obstructions.
Specifications for maintaining sufficient clearance around the unit for airflow and servicing.
Standards and recommendations for installing air ducts, including NFPA guidelines and ACCA design methods.
Recommendations for unpacking the unit at the installation site to prevent damage.
Instructions for positioning and securing optional return and supply air collars.
Procedure for assembling and attaching the supply air collar to the unit.
Procedure for assembling and attaching the return air collar to the unit.
Guidance on locating and installing the return air assembly, including hole cutting and box placement.
Procedure for locating and installing a supply damper to prevent cold air discharge into the furnace.
Instructions for installing the drain trap to prevent water collection inside the unit.
Critical safety warnings about electrical hazards during servicing and handling.
Checks for voltage, frequency, phase, and supply capacity before making electrical connections.
Details on line voltage supply, disconnect requirements, branch circuits, and conductor sizing.
Emphasis on proper grounding of the unit for safety and compliance with codes.
Guidance on sizing fuses or breakers for equipment protection and preventing nuisance trips.
Instructions for connecting the 24 VAC Class II control circuit and thermostat wiring.
Guidance on adjusting factory blower speed settings for optimal performance.
Caution to label wires before disconnection to prevent wiring errors during servicing.
Caution to ensure motor leads do not contact metal components to prevent damage or injury.
A checklist of essential checks before starting the unit for the first time.
Caution regarding the 24-hour warm-up period for crankcase heaters to prevent system damage.
Step-by-step instructions for starting the unit, including thermostat settings and power activation.
Table providing blower speed settings for different units and static pressures.
Procedure for charging the unit with refrigerant, specifying outdoor temperatures and qualified personnel.
Warning for qualified personnel only regarding refrigerant handling to prevent damage or injury.
Note on checking and adjusting refrigerant charge through service ports using a Schrader depression device.
Explanation of the high-pressure safety switch function and its role in protecting the system.
Warning to disconnect all electrical power before performing any maintenance or service.
Tasks include inspecting and cleaning air filters, condensate drains, outdoor coils, and electrical connections.
Caution against operating the unit without a filter and to replace disposable filters with the same type and size.
Explanation of shaded boxes and values used in the refrigerant charging tables.
Notes regarding pressure listings, temperature units, and indications of an undercharged system.
Table providing liquid pressure and temperature values for charging 1.5 Ton units.
Table providing liquid pressure and temperature values for charging 2 Ton units.
Table providing liquid pressure and temperature values for charging 3 Ton units.
Table providing superheat values for charging 4 Ton units based on indoor/outdoor conditions.
Diagrams and measurements for unit dimensions from top, side, and rear views.
Table listing physical specifications like length, width, height, and duct diameters for various models.
Electrical wiring diagram for 1.5, 2, and 2.5 Ton models, including component identification.
Legend explaining the symbols and line types used in the wiring diagrams.
Checklist items for the refrigeration system, including pressure readings and warm-up period.
Checklist items for the electrical system, including connections, voltage, and thermostat.
Information on ordering replacement parts for electrical components, motors, and unit components.
