Johnson Controls RHP150 Series - Table of Contents

Contents
Contents
General......................................................................................5
Certification.............................................................................. 5
Safety.........................................................................................5
Inspection........................................................................... 5
Requirements for installing/servicing R-410A
equipment...........................................................................5
Limitations.......................................................................... 5
Unit installation........................................................................ 6
Location...............................................................................6
Add-on replacement/retrofit............................................6
Ground installation............................................................ 8
Roof installation................................................................. 8
Wall mount installation..................................................... 8
Placing the unit...................................................................8
Liquid line filter-drier.........................................................8
Piping connections.............................................................9
Precautions during line installation.................................9
Precautions during brazing of lines...............................10
Precautions during brazing of service valve.................10
Connecting the refrigerant lines.............................. 10
Indoor expansion device.......................................................11
Installing the thermostatic expansion valve (TXV)...... 11
Evacuation...............................................................................13
System charge........................................................................13
Measuring indoor airflow............................................... 13
Charging the unit............................................................. 13
Determining the total system charge............................14
Charging with gauges..................................................... 14
Subcooling charging charts...................................... 15
Heating charging charts............................................24
Electrical connections............................................................31
General information and grounding............................. 31
Field connections power wiring..................................... 31
Field connections control wiring....................................32
Control wiring diagrams........................................... 33
Dehumidification control (typical)................................. 35
Indoor cubic feet per minute (CFM) settings
(typical)..............................................................................35
System start-up...................................................................... 36
Energize crankcase heater (if applicable)..................... 36
System operation...................................................................36
Anti short-cycle delay...................................................... 36
Low voltage detection..................................................... 36
Test input.......................................................................... 36
Fault code display............................................................ 38
Demand defrost......................................................... 39
Operation.................................................................... 39
Defrost curves.............................................................39
Defrost curve selection..............................................39
Defrost cycle initiation...............................................39
Defrost inhibition....................................................... 39
Defrost termination................................................... 40
Cooling operation...................................................... 40
Heating operation......................................................40
Emergency heat......................................................... 40
Pressure switch fault and lockout............................40
Instructing the owner............................................................40
Maintenance.....................................................................41
Wiring diagrams.....................................................................42
Start-up sheet.........................................................................44
Johnson Controls Ducted Systems
Installation Manual: R-410A Outdoor Split-System Heat Pump - YH2F, THF2, RHP150 Series
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