IM 1083
Self-Contained WSHP Unit Ventilator Models ARQ, ERQ, GRQ
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Table of Contents
Nomenclature.........................................................................4
Data Plate - Specific Information
.....................................................4
Data Plate Location .........................................................................5
Models ARQ, ERQ & GRQ Self-Contained Floor Unit
Ventilator Installation ...........................................................5
Receiving & Handling
......................................................................5
Visible Loss or Damage ...................................................................5
Concealed Loss or Damage
............................................................5
Storage ............................................................................................5
Lifting Unit
.......................................................................................5
General Unit Data
............................................................................5
Safety ......................................................................................6
Pre-Installation Considerations ...........................................6
Uncrate and Inspect the Unit Ventilator(s)
.......................................6
Typical Floor Unit Installation
..........................................................7
Typical VentiMatic Shutter Installation .............................................7
Meeting IBC Seismic Requirements
................................................
8
Wall Openings, Louvers & VenitMatic Shutter ....................9
Louver Installations with Typical Unit Arrangements .............10-12
16-5/8" Unit Depth
.........................................................................10
21-7/8" Unit Depth
....................................................................11-12
Installing Louvers .......................................................... 12-13
Installing the VentiMatic Shutter Assembly ................ 14-15
Preparing to Move the Unit .................................................16
Removing Unit from Skid
...............................................................16
Unit Ventilator Installation ..................................................16
Before Sliding the Unit into Place
..................................................16
Installing Casters
...........................................................................16
Reversing Condensate Drain End
.................................................17
Mounting Hole Locations & Dimensions
...................................
17-18
Operating Limits ..................................................................19
Piping Considerations ........................................................20
Water System Cleaning .......................................................21
Make Piping Connections ...................................................22
Water Coil Connections
............................................................22-23
System Balancing ..........................................................................23
Making Control Connections ..............................................24
MicroTech II Unit-Mounted DDC Control Components
.............24-26
Typical Wiring Diagram .......................................................27
DX Cooling with Electric Heat, Valve Control 460V, 3 Phase
........27
Electical Data .......................................................................28
Size 024 ........................................................................................
28
Size 040 ........................................................................................
28
Size 048
........................................................................................29
MicroTech II Unit Electical Connections ..................... 30-31
MicroTech II Remote Wall-Mounted Sensor
.............................32-35
ElectroMechanical Unit Wire Connections .......................36
Installing (Optional) End Panel .................................... 37-38
Piping Stub-up Details, 6' End Panel .............................................
38
End Panel Assembly, 1" and 6" End Panel
....................................
38
Prepare Unit Ventilator for Start-up ...................................39
Post Installtion Checklist
...............................................................39
Oiling .............................................................................................39
Filters .............................................................................................39
Prepare for Start-up....................................................... 39-40
Complete Check, Test and Start Procedure
..................................40
Troubleshooting ............................................................ 41-42
The in and outs of R-410A .............................................................41
Lubrication .....................................................................................41
Charging
........................................................................................41
General Maintenance ....................................................................41
Troubleshooting Refrigeration Circuit
............................................42
Summary of Contents for ARQ
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