Table of Contents
Related Manuals for McQuay RFS
Summarization of Contents
Introduction and Unit Identification
Unit Nameplate Details
Location and contents of the unit nameplate.
Hazard Identification Information
Explanation of WARNING and CAUTION symbols used in the manual.
Unit Nomenclature
Defines the model nomenclature for RoofPak units.
Unit Description and Components
Typical Component Locations (RPS)
Shows locations of major components in RPS units.
Typical Component Locations (RDT)
Shows locations of major components in RDT units.
Condenser Fan Arrangement and Refrigerant Circuit
Condenser Fan Arrangement Table
Shows condenser fan numbering conventions and locations for each unit size.
Refrigerant Circuit Schematic
Diagram showing the basic layout of the refrigerant circuit.
Refrigerant Piping Diagrams
Condenser Piping Diagram
Illustrates condenser piping for 4 compressors/2 circuits.
Air Handler Piping Diagram (Flat DX)
Diagram showing the air handler piping for DX units.
Air Handler Piping Diagram (Staggered DX)
Diagram showing the air handler piping for staggered DX units.
Control Component Locations
RPS Unit Control Locations
Diagram illustrating control component locations on RPS units.
RDT Unit Control Locations
Diagram illustrating control component locations on RDT units.
Control Panel Locations
Control Panel Location Diagram
Shows the main and condenser control panel locations.
Main Control Panel Diagrams
Main Control Panel Diagram (015-040)
Diagram of the main control panel for specific unit sizes.
Main Control Panel Diagram (045-075)
Diagram of the main control panel for specific unit sizes.
Condenser Control Panel Diagrams
Condenser Control Panel Diagram (MicroTech II, 015-030C)
Diagram of the condenser control panel for specific unit sizes.
Condenser Control Panel Diagram (MicroTech II, 036-060C)
Diagram of the condenser control panel for specific unit sizes.
Condenser Control Panel Diagram (MicroTech II, 045-075)
Diagram of the condenser control panel for specific unit sizes.
Condenser Control Panel Diagram (No Controls, 036-075)
Diagram of the condenser control panel for specific unit sizes.
Electric Heat Control Panel Diagrams
Electric Heat Control Panel Diagram (15-40C)
Diagram of the electric heat control panel for specific sizes.
Electric Heat Control Panel Diagram (45-75C)
Diagram of the electric heat control panel for specific sizes.
Controls, Settings, and Functions
Control Device Listing Table
Table listing unit control devices, descriptions, and functions.
Mechanical Installation Requirements
Receiving Inspection Procedures
Procedures for checking equipment upon receipt.
Unit Installation Clearances
Guidelines for safe installation clearances.
Installation Clearances
Ventilation Clearances
Recommendations for unit ventilation clearances.
Overhead Clearance Restrictions
Restrictions on overhead obstructions for installation.
Roof Curb Assembly and Installation
RCS Roof Curb Assembly Instructions
Steps for assembling RCS roof curbs.
RPS/RDT Roof Curb Assembly Instructions
Steps for assembling RPS/RDT roof curbs.
RPS/RFS Roof Curb Assembly Diagram
RPS/RFS Roof Curb Assembly Diagram
Diagram for RPS/RFS roof curb assembly.
Post and Rail Mounting and Rigging
Post and Rail Mounting Guidelines
Guidelines for mounting the unit using post and rail systems.
Rigging and Handling Instructions
Instructions for safely rigging and handling the unit.
Lifting Points Determination
Lifting Point Calculation Guide
Guidance on determining required lifting cable lengths.
Reassembly of Split Units
Split Unit Configurations Overview
Description of common factory split configurations for units.
RPS Factory Split at Condenser Reassembly
Reassembling Split Condenser Units
Steps for setting and reconnecting split unit sections.
Reconnecting Refrigerant Piping
Procedure for reconnecting refrigerant lines.
Refrigerant Piping Connections Diagrams
RFS/RCS 015-030 Piping Connections
Diagrams of refrigerant piping connections for specific models.
RFS/RCS 036 & 040 Piping Connections
Diagrams of refrigerant piping connections for specific models.
RPS/RFS/RCS Refrigerant Piping Connections
RPS/RFS/RCS 045-135 Piping Connections
Diagrams of refrigerant piping connections for specific models.
Condenser Support Installation Procedures
Installing Condenser Supports
Instructions for installing condenser supports for split units.
Setting the Condensing Unit in Place
Instructions for setting the condensing unit.
Reassembly Steps: Parts Installation and Connections
Installing Parts After Condenser Placement
Instructions for installing parts after unit placement.
Making Refrigerant and Electrical Connections
Steps for making refrigerant piping and electrical connections.
Reconnecting Power and Control Wiring
Wiring Connections for Split Units (015-040)
Diagrams showing power and control wiring connections.
Wiring Connections for Split Units (045-075)
Diagrams showing power and control wiring connections.
Vertical Raceway Removal for Wiring
Diagram showing how to remove a vertical raceway.
RPS/RDT Factory Split at Fan Reassembly
Setting and Reassembling Fan Split Units
Steps for setting and reconnecting split unit sections at the fan.
Reconnecting Power and Control Wiring
Procedures for reconnecting wiring after splitting at the fan.
Fan Split Reassembly Steps
Setting Unit Sections and Caulking
Steps for setting unit sections and caulking parts.
Electrical Connections and Raceway Reinstallation
Steps for making electrical connections and reinstalling raceway.
Piping Recommendations and System Checks
Leak Testing Procedures
Detailed steps for performing leak testing on the refrigerant system.
Evacuation Procedures
Steps for evacuating the refrigerant system to a deep vacuum.
Refrigerant Charge Information
Approximate Refrigerant Charge Tables
Tables providing approximate refrigerant charge per circuit.
Refrigeration Service Valves and Charging
Charging the Refrigerant System
Procedures for charging the refrigerant system.
Refrigerant Charge Details
Information on refrigerant charge calculation and values.
Subcooling and Condensate Drain
Subcooling Adjustment Guidelines
Explains factors for proper subcooling adjustment.
Condensate Drain Connection Details
Details and diagrams for condensate drain connection.
Steam Coil Piping and Recommendations
Steam Piping Recommendations
Guidelines for steam piping installation and flexibility.
Steam Trap Recommendations
Recommendations for sizing and installing steam traps.
Damper Assemblies and Adjustment
Economizer Damper Adjustment Procedures
Instructions for adjusting economizer dampers properly.
Intake Hood Damper Operation and Cabinet Weatherproofing
100% Outside Air Damper Operation
Describes operation of 100% outside air intake dampers.
0-30% Outside Air Damper Operation
Describes operation of 0-30% outside air intake dampers.
Cabinet Weatherproofing Instructions
Instructions for ensuring cabinet weatherproofing.
Installing Ductwork and Pressure Taps
Installing Ductwork Guidelines
Guidelines for installing ductwork to unit and roof curb.
Installing Duct Static Pressure Sensor Taps
Instructions for installing duct static pressure taps.
Pressure Sensing Tubing Installation
Static Pressure Tubing Installation Diagrams
Diagrams showing static pressure tubing entrance and installation.
Electrical Installation and Power Wiring
Field Power Wiring Guidelines
Guidelines for field power wiring, including codes and safety.
RPS/RDT/RFS Power Wiring Connections Diagram
Diagram of power wiring connections.
Field Control Wiring Procedures
Control Wiring for RPS, RDT, and RFS Units
Control wiring connections for RPS, RDT, and RFS units.
Control Wiring for RFS/RCS Units
Control wiring connections for RFS/RCS units.
RCS Unit Power Wiring Diagrams
RCS 015C-030C Power Wiring Diagram
Diagram of RCS power wiring connections.
RCS 036C & 040C Power Wiring Diagram
Diagram of RCS power wiring connections.
RCS 045 - 075 Power Wiring Diagram
Diagram of RCS power wiring connections.
Field Control Wiring and Interconnecting Wiring
RPS Field Control Wiring Diagram
Diagram of field control wiring.
RFS and RPS Interconnecting Control Wiring Diagram
Diagram of interconnecting control wiring between RFS and RPS units.
Preparing Unit for Operation
Relief Damper Tie-Down Removal
Instructions for removing relief damper tie-downs.
Spring Isolated Fan Mount Release
Instructions for releasing spring mounts.
Spring Mount Adjustment Procedure
Procedure for adjusting spring mounts.
Fan Component Adjustments
Scroll Damper Adjustment Procedure
Procedure for adjusting scroll dampers for air volume control.
Supply Fan Thrust Restraint Adjustment
How to adjust thrust restraints for spring-mounted fans.
Seismic Restraint Adjustment
Adjusting Seismic Restraints
Details on adjusting factory-installed seismic restraints.
Sequences of Operation Overview
Power-up Sequence Description
Describes the initial power-up sequence and component energization.
Fan Operation Sequence
Explains the fan startup and operation sequence.
Economizer Operation Sequence
Describes the economizer operation logic.
Sequences of Operation (Continued)
Mechanical Cooling Operation Sequence
Explains the mechanical cooling sequence for a 4-compressor unit.
Sequences of Operation (Continued)
Compressor Safeties and Lockouts
Explains compressor safety trip and lockout operations.
Gas Furnace Operation Sequence
Describes the gas furnace operation sequence.
Gas Furnace Safety Lockout
Explains safety lockout conditions for the gas furnace.
Wiring Diagrams Legend
Component Designation Legend
Lists component designations and their standard locations.
Typical Power Circuit Wiring (VFD)
6-Compressor VFD Power Circuit Diagram
Wiring diagram for power circuits with VFD.
Typical Main Circuit Wiring (Inlet Vane Control)
Inlet Vane Main Circuit Diagram
Wiring diagram for main circuits with inlet vanes.
Typical Main Circuit Wiring (VFD Control)
VFD Main Circuit Diagram
Wiring diagram for main circuits with VFD.
Condensing Unit Control (MicroTech II)
4-Compressor Condensing Unit Control Diagram
Control diagram for condensing units.
Condensing Unit Control with External Controls
RPS Control Schematic with External Controls
Control schematic for RPS units with external controls.
Fan Control Circuit Wiring (No Controls)
Supply/Return Fan Control Wiring Diagram
Wiring diagram for fan control circuits without controls.
Gas Furnace Control Circuit (Modulating Burner)
Modulating Gas Furnace Control Diagram
Control circuit diagram for gas furnace.
Unit Options: Enthalpy Control
Enthalpy Control Options Description
Description of enthalpy control options like OAE and OAE/RAE.
Enthalpy Control Settings Chart
Chart showing enthalpy control settings.
Low Ambient Start Functionality
Explanation of the low ambient start option.
Ground Fault Protection System
Description of ground fault protection system.
Hot Gas Bypass System Operation
Hot Gas Bypass System Explanation
Explanation of the hot gas bypass system.
Hot Gas Bypass Adjustment Chart
Chart for adjusting hot gas bypass valve.
SpeedTrol Head Pressure Control
SpeedTrol System Explanation
Explanation of the SpeedTrol system for head pressure control.
SpeedTrol Schematic Diagram
Schematic of the SpeedTrol system.
Unit Options: Freeze Protection and Alarms
Freeze Protection Operation
Describes freeze protection operation for heating coils.
Duct High Pressure Limit Control
Description of the DHL control and its function.
Variable Inlet Vanes Adjustment
Inlet Vane Adjustment Procedures
Instructions for adjusting supply and return fan inlet vanes.
Fan Vane Assembly Diagrams
Supply/Return Fan Vane Assembly Diagrams
Diagrams of supply and return fan vane assemblies.
Fan Vane Assembly Diagrams
Supply and Return Fan Vane Assembly Diagrams
Diagrams of supply and return fan vane assemblies.
Fan Vane Assembly Diagrams
Fan Vane Assembly Diagrams
Diagrams of supply and return fan vane assemblies.
Fan Vane Assembly Diagrams
Fan Vane Assembly Diagrams
Diagrams of supply and return fan vane assemblies.
DesignFlow™ Outdoor Air Damper Option
DesignFlow Station Startup Procedures
Startup procedures for the DesignFlow airflow measurement station.
Leveling the DesignFlow Unit
Leveling Procedures for DesignFlow Unit
Detailed steps for leveling the DesignFlow unit.
Propeller Exhaust Fan Option
Prestarting Checks for Fans and Motors
Checks to perform before starting fans and motors.
Belt and Bearing Maintenance
Belt Adjustment and Alignment Procedures
Instructions for adjusting and aligning drive belts and pulleys.
Bearing Inspection and Lubrication Guidelines
Information on bearing inspection and lubrication.
Fastener and Lubrication Checks
Fastener and Setscrew Tightness Checks
Importance of checking fasteners and setscrews for tightness.
Motor and Fan Lubrication Procedures
Details on motor and fan lubrication procedures.
Removal of Dust and Dirt
Instructions for cleaning motors and propellers.
Exhaust Fan Control Logic
Exhaust Fan On/Off Control Logic
Logic for controlling exhaust fans based on pressure or position.
Exhaust Fan Speed Control Logic
How VFD controls exhaust fan speed.
Check, Test, and Start Procedures
Pre-Start Installation Verification
Pre-start checks to ensure proper installation.
Unit Power-up Sequence
Steps for powering up the unit.
Fan Start-up Procedures
Procedures for starting the fans.
Check, Test, and Start Procedures (Continued)
Economizer Start-up Procedures
Steps for starting up the economizer.
Compressor Start-up Procedures
Procedures for starting the compressors, including warnings.
Check, Test, and Start Procedures (Continued)
Condenser Fan Blade Positioning Check
Diagram and steps for condenser fan blade positioning.
Compressor Operation Checks
Detailed steps for compressor and fan checks.
Superheat Adjustment and Checking
Expansion Valve Superheat Adjustment
How to adjust superheat for expansion valves.
Heating System Start-up Procedures
General startup steps for heating systems.
Sheave Alignment and Drive Belt Adjustment
Sheave Alignment Procedures
Instructions for mounting and aligning sheaves.
Drive Belt Tensioning Procedures
General rules and procedures for drive belt tensioning.
Motor Sheave Mounting and Adjustment
VM and VP Variable Pitch Sheave Procedures
Specific instructions for mounting and adjusting VM and VP sheaves.
Variable Pitch Sheave Adjustment Procedures
LVP Sheave Adjustment Procedures
Specific instructions for adjusting LVP sheaves.
MVP Sheave Adjustment Procedures
Specific instructions for adjusting MVP sheaves.
Rooftop Equipment Warranty Registration
Initial Checkpoints Checklist
Checklist for initial inspection items before unit startup.
Fan Data Recording Section
Section for recording supply and return fan performance data.
Compressor Start-up Operation Checklist
Checklist for compressor startup operations.
Warranty Registration - Performance Data
Performance Data Recording Section
Section for recording performance data like voltage and amperage.
Electric Heat System Checks and Startup
Checklist for electric heat system tests and startup.
Warranty Registration - Burner Checks
Gas & Oil Burner Test Procedures
Checklist for gas and oil burner testing.
Microtech Control Parameter Records Maintenance
Importance of maintaining control parameter records.
Quality Assurance Survey Report
Product Quality and Installation Assessment
Survey for assessing product quality and installation.
Final Control Settings Procedures
Control Parameter Setting Procedures
Procedures for setting final control parameters for normal operation.
Maintaining Control Parameter Records
Importance of recording control parameters for future reference.
Keypad Accessible Menu Structure
Control Parameter Legend Explanation
Explanation of parameter legends used in keypad diagrams.
Keypad Accessible Menu Structure (Continued)
Sub Menus Overview
Overview of additional sub-menus accessible via the keypad.
Keypad Accessible Menu Structure (Continued)
Alarm Status and Limits
List of alarm conditions, warnings, and their associated limits.
Maintenance Procedures
Preventive Maintenance Schedule
Routine maintenance tasks and their recommended frequency.
Unit Storage Precautions
Precautions for storing the unit properly.
Bearing Lubrication and Fan Shafts
Bearing Lubrication Guidelines
Details on bearing lubrication for motors and fan shafts.
Vibration Levels and Causes
Information on vibration levels and their potential causes.
Setscrew Tightness and Fan Alignment
Setscrew Torque Specifications
Table of torque specifications for setscrews.
Supply Fan Wheel-to-Funnel Alignment
Procedure for aligning the supply fan wheel to the funnel.
Refrigerant System Checks
Refrigerant Charge Information
Details on refrigerant charge and nameplate references.
Replacing Refrigerant Sensors/Switches
Procedures for replacing failed refrigerant sensors or switches.
Winterizing Water Coils
Recommendations for preventing water coil freeze-up.
Replacement Parts List
Microtech II Components Parts List
List of Microtech II control system components and their part numbers.
Service and Warranty Procedures
Ordering Replacement Parts
How to order replacement parts, including required information.
Compressor Replacement Information
Details on Copeland Scroll compressors used in McQuay units.
In-Warranty Return Material Procedure
Procedure for returning parts under warranty.
Limited Product Warranty (North America)
Warranty Coverage and Exceptions
Details of the product warranty, including coverage and exceptions.
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