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Precedent WSC090H
Ingersoll-Rand Precedent WSC090H Manuals
Manuals and User Guides for Ingersoll-Rand Precedent WSC090H. We have
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Ingersoll-Rand Precedent WSC090H manual available for free PDF download: Installation, Operation And Maintenance Manual
Ingersoll-Rand Precedent WSC090H Installation, Operation And Maintenance Manual (68 pages)
Precedent series Packaged Rooftop Air Conditioners
Brand:
Ingersoll-Rand
| Category:
Heat Pump
| Size: 10 MB
Table of Contents
Revision History
3
Table of Contents
4
Model Number Descriptions
6
Model Number Notes
7
General Information
8
Unit Inspection
8
Storage
8
Unit Nameplate
8
Compressor Nameplate
8
Unit Description
8
Economizer Control Actuator (Optional)
8
System Input Devices & Functions
9
Low Pressure Control
9
High Pressure Control
10
Power Exhaust Control (Optional)
10
Lead/Lag Control (Dual Circuit Only)
10
Pre-Installation
12
Dimensions and Weights
13
Installation
20
Foundation
20
Horizontal Units
20
Ductwork
20
Roof Curb
21
Rigging
22
General Unit Requirements
23
Factory Installed Economizer
23
Temperature Limit Switch Usage for Electric Heat Units
23
Horizontal Discharge Conversion WSC036H, WSC048H, W/DHC036H
23
Horizontal Discharge Conversion WSC060H- 120E/H, W/DHC048-120H
24
TCO-A Instructions
25
Return Air Smoke Detector
25
Air-Fi™ Wireless Communication Interface
26
Main Electrical Power Requirements
27
Through-The-Base Gas Installation
27
Requirements for Gas Heat
27
Electric Heat Requirements
28
Low Voltage Wiring (AC & DC) Requirements
28
Condensate Drain Configuration
28
Filter Installation
29
Field Installed Power Wiring
29
Standard Wiring
29
Optional TBUE Wiring (Through-The-Base Electrical Option)
29
Field Installed Control Wiring
30
Controls Using 24 VAC
30
Controls Using DC Analog Input/Outputs (Standard Low Voltage Multiconductor Wire)
30
Space Temperature Averaging (Reliatel™ Only)
33
Pre-Start
37
Voltage Imbalance
37
Electrical Phasing (Three Phase Motors)
37
Compressor Crankcase Heaters
38
Reliatel™ Controls
38
Test Modes
39
Unit Start-Up
41
Sequence of Operation
41
Reliatel™ Controls
41
Reliatel™ Controls - Constant Volume (CV)
41
Reliatel™ Control Cooling Without an Economizer
41
Three-Stages of Cooling
41
Reliatel™ Control Evaporator Fan Operation (for Gas Units)
41
Reliatel™ Control Evaporator Fan Operation (for Cooling Only Units)
42
Low Ambient Operation
42
Multi-Speed Indoor Motor
42
Fan Output
42
Multi-Zone VAV Sequence of Operation
42
Supply Air Pressure Control
42
Supply Air Static Pressure Limit
43
Supply Air Temperature Controls
43
Supply Air Setpoint Reset
43
Zone Temperature Control
43
Variable Air Volume Applications (Single Zone VAV)
44
Discharge Air Cool Setpoint Adjustment
44
Reliatel™ Control Cooling with an Economiz
44
Reliatel™ Control Dehumidification
45
Dehumidification Coil Purge Cycle
45
Reliatel™ Control Cooling with an Economiz
45
Economizer Set-Up
46
Reliatel™ Control Heating Operation (for Cooling Only Units)
46
Reliatel™ Control Heating Operation (for Gas Units)
46
Ignition Module
46
Drain Pan Condensate Overflow Switch (Optional)
47
Sequence of Operation - Heat Pumps
48
Heating Operation
48
Demand Defrost
48
Emergency Heat Operation
48
Verifying Proper Air Flow
48
Units with 5-Tap Direct Drive Indoor Fan
48
Units with Belt Drive Indoor Fan
49
Units with Constant CFM Direct Drive Indoor
49
Fan
49
To 5 Ton 17 Plus/Whc/Dhc Units with the Constant CFM Direct Drive Indoor Fan
49
Reliatel™ Units Equipped with Direct Drive Indoor Plenum Fan (Optional Except for 10 Ton Units)
50
Return Air Smoke Detector
51
Economizer Start-Up
51
Compressor Start-Up
52
Heating Start-Up
52
Final System Setup
53
Maintenance
54
Fan Belt Adjustment - Belt Drive Units
54
Monthly Maintenance
55
Filters
55
Return Air Smoke Detector Maintenance
55
Condensate Overflow Switch
55
Cooling Season
55
Heating Season
55
Coil Cleaning
56
Final Process
57
Troubleshooting
58
Reliatel™ Control
58
System Status Checkout Procedure
58
Method 1
58
Resetting Cooling and Heating Lockouts
59
Zone Temperature Sensor (ZTS) Service Indicator
60
Clogged Filter Switch
60
Fan Failure Switch
60
Condensate Overflow Switch
60
Zone Temperature Sensor (ZTS) Test
60
Test 1 Zone Temperature Thermistor (ZTEMP)
60
Test 2 Cooling Set Point (CSP) and Heating Set Point (HSP)
60
Test 3 System Mode and Fan Selection
60
Test 4 LED Indicator Test
60
Cool & Service)
60
Programmable & Digital Zone Sensor Test
61
Mixed Air Temperature Low Limit Diagnostic
63
Troubleshooting Procedures for Direct Drive Plenum Fan
63
Wiring Diagrams
64
Limited Warranty
66
Heat Pump WCD, WCH, WSC, WHC and DHC (Parts Only)
66
Models Less than 20 Tons for Commercial Use
66
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