International comfort products RHH072 Manuals

Manuals and User Guides for International comfort products RHH072. We have 1 International comfort products RHH072 manual available for free PDF download: Installation Instructions Manual

International comfort products RHH072 Installation Instructions Manual

International comfort products RHH072 Installation Instructions Manual (44 pages)

Brand: International comfort products | Category: Air Handlers | Size: 4 MB

Table of Contents

Table of Contents
1
Safety Considerations
2
Cut Hazard
2
Rated Indoor Airflow (Cfm)
3
Model Number Nomenclature
3
Refrigeration System Components
8
Installation
10
Jobsite Survey
10
Step 1 - Plan for Unit Location
10
Roof Mount
10
Step 2 - Plan for Sequence of Unit Installation
10
Curb- - Mounted Installation
10
Pad- - Mounted Installation
10
Frame- - Mounted Installation
10
Step 3 - Inspect Unit
10
Step 4 - Provide Unit Support
10
Slab Mount (Horizontal Units Only)
12
Alternate Unit Support (in Lieu of Curb or Slab Mount)
12
Step 5 - Field Fabricate Ductwork
12
For Units with Accessory Electric Heaters
12
Step 6 - Rig and Place Unit
12
Positioning on Curb
13
Step 7 - - Convert to Horizontal and Connect Ductwork
13
Step 8 - Install Outside Air Hood
14
Economizer and Two Position Damper Hood Package Removal and Setup - Factory Option
14
Economizer Hood and Two- - Position Hood
14
Step 9 - Install External Condensate Trap and Line
15
Step 10 - Make Electrical Connections
15
Electrical Shock Hazard
15
Field Power Supply
15
Fire Hazard
16
Failure to Follow this Warning Could Result in
16
Units with Factory- - Installed Non- - Fused Disconnect
16
Units Without Factory- - Installed
17
Non- - Fused Disconnect
17
All Units
17
Convenience Outlets
17
Optional Thru- - Base Connections
18
Units Without Thru- - Base Connections
19
All Units
19
Field Control Wiring
19
Thermostat
19
Central Terminal Board
20
Commercial Defrost Control
20
Unit Without Thru- - Base Connection Kit
22
Heat Anticipator Settings
22
Electric Heaters
22
Single Point Boxes and Supplementary Fuses
23
Single Point Boxes Without Fuses
23
Low- - Voltage Control Connections
23
Speed Indoor Fan Motor System with VFD (Factory- -Installed Option)
23
Economi$Er R X (Factory- -Installed Option)
24
Product Description
24
System Components
24
Specifications
24
W7220 Economizer Module
24
Electrical
24
Inputs
24
Outputs
25
Environmental
25
Economizer Module Wiring Details
25
S- - Bus Sensor Wiring
25
CO 2 Sensor Wiring
26
Interface Overview
26
User Interface
26
Keypad
26
Menu Structure
27
Setup and Configuration
27
Time- - out and Screensaver
27
Sequence of Operation
33
Enthalpy Settings
36
Two- -Speed Fan Operation
36
Checkout
37
Power up
37
Initial Menu Display
37
Power Loss (Outage or Brownout)
38
Status
38
Checkout Tests
38
Troubleshooting
38
Alarms
38
Clearing Alarms
38
Smoke Detectors
39
Step 11 - Adjust Factory- -Installed Options
39
Step 12 - Install Accessories
40
Step 13 - Check Belt Tension
40
Pre-Start-Up
43
Unit Start-Up Checklist
43

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