McQuay RoofPak RAH 077C Manuals

Manuals and User Guides for McQuay RoofPak RAH 077C. We have 1 McQuay RoofPak RAH 077C manual available for free PDF download: Installation And Maintenance Manual

McQuay RoofPak RAH 077C Installation And Maintenance Manual

McQuay RoofPak RAH 077C Installation And Maintenance Manual (122 pages)

Applied Rooftop Systems Air Handler

Brand: McQuay | Category: Air Handlers | Size: 3.96 MB

Table of Contents

Table of Contents
3
Gas Burner Nameplate
4
Hazard Identification Information
4
Typical Component Locations
5
Typical Unit Sections
8
Control Locations
10
Control Panel
11
Controls, Settings, and Functions
18
Mechanical Installation
19
Unit Clearances
19
Ventilation Clearance
20
Overhead Clearance
21
Post and Rail Mounting
25
Rigging and Handling
26
Split Units
28
Unit Piping
33
Steam Coil Piping (All Units)
35
Steam Piping Recommendations
36
Steam Trap Recommendations
36
Vestibule Assembly Instructions
40
Damper Assemblies
42
Cabinet Weather Protection
46
Installing Ductwork
47
Installing Duct Static Pressure Sensor Taps
48
Installing Building Static Pressure Sensor Taps
49
Electrical Installation

50
- Field Power Wiring
  50
- Field Control Wiring
  53
Preparing Unit for Operation

54
Sequences of Operation

57
- Power-Up
  57
- Fan Operation
  58
- Economizer Operation
  58
- Heating
  59
Wiring Diagrams

60
- Legend
  60
Unit Options

87
- Enthalpy Control
  87
- External Time Clock
  87
- Smoke and Fire Protection
  88
- Smoke Detectors
  88
- Freeze Protection
  88
- Entering Fan Temperature Sensor
  88
- Duct High Pressure Limit
  89
- Microtech II™ Remote User Interface (UI)
  89
- Variable Frequency Drive Operation
  90
- Convenience Receptacle/Section Lights
  90
- Designflow™ Outdoor Air Damper Option
  90
- Propeller Exhaust Fan Option
  93
- Exhaust Fan On/Off Control
  95
- Ultraviolet Lights Option
  95
- Ultraviolet Light Operation
  96
Check, Test, and Start Procedures

97
- Servicing Control Panel Components
  97
- Before Start-Up
  97
- Power up
  98
- Fan Start-Up
  98
- Economizer Start-Up
  98
- Heating System Start-Up
  99
- Air Balancing
  99
- Sheave Alignment
  100
- Drive Belt Adjustment
  100
- Mounting and Adjusting Motor Sheaves
  101
Final Control Settings

104
- Keypad Accessible Menu Structure
  105
Maintenance

108
- Servicing Control Panel Components
  108
- Planned Maintenance
  108
- Unit Storage
  108
- Gas Furnace
  109
- Bearing Lubrication
  109
- Setscrews
  110
- Supply Fan Wheel-To-Funnel Alignment
  111
- Winterizing Water Coils
  112
- Control Panel Components
  112
Replacement Parts List

115
Service and Warranty Procedure

116
Limited Product Warranty (North America)

117
- Exceptions
  117
- Assistance
  117
- Sole Remedy
  117

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