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RHP150 Series
Johnson Controls RHP150 Series User Manual
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Subject to change without notice. Published in U.S.A. Copyright © 2023 by Johnson Controls. All rights r
eserved.
Johnson Controls Ducted Systems
44
Table of Contents
Table of Contents
3
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
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Johnson Controls RHP150 Series Specifications
General
Brand
Johnson Controls
Model
RHP150 Series
Category
Heat Pump
Language
English
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