Johnson Controls YH2E Series Pump Manuals

Manuals and User Guides for Johnson Controls YH2E Series Pump. We have 1 Johnson Controls YH2E Series Pump manual available for free PDF download: Installation Manual

Johnson Controls YH2E Series Installation Manual

Johnson Controls YH2E Series Installation Manual (44 pages)

R-410A Outdoor Split-System Heat Pump

Brand: Johnson Controls | Category: Heat Pump | Size: 3 MB

Table of Contents

Table of Contents
3
General
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
Unit Placement
9
Liquid Line Filter-Drier
9
Piping Connections
9
Precautions During Line Installation
10
Precautions During Brazing of Lines
10
Precautions During Brazing of Service Valve
10
Connecting the Refrigerant Lines
11
Indoor Expansion Device
12
Thermostatic Expansion Valve (TXV) Installation
12
Evacuation
13
System Charge
13
Measuring Indoor Airflow
14
Charging the Unit
14
Determining the Total System Charge
14
Charging with Gauges
15
Subcooling Charging Charts
15
Heating Charging Charts
21
Electrical Connections
27
General Information and Grounding
27
Field Connections Power Wiring
28
Field Connections Control Wiring
28
Control Wiring Diagrams
30
Dehumidification Control (Typical)
32
Indoor Cubic Feet Per Minute (CFM) Settings (Typical)
32
System Start-Up
33
Energize Crankcase Heater (Where Applicable)
33
System Operation
33
Anti Short-Cycle Delay
33
Low Voltage Detection
33
Test Input
33
Fault Code Display
35
Demand Defrost
36
Operation
36
Defrost Curves
36
Defrost Curve Selection
36
Defrost Cycle Initiation
36
Defrost Inhibition
36
Defrost Termination
37
Cooling Operation
37
Heating Operation
37
Emergency Heat
37
Pressure Switch Fault and Lockout
37
Instructing the Owner
37
Maintenance
38
Wiring Diagrams
39
Start-Up Sheet
42

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