Intellihot iQ751 Manuals

Manuals and User Guides for Intellihot iQ751. We have 2 Intellihot iQ751 manuals available for free PDF download: Operation And Installation Manual, Troubleshooting Manual

Intellihot iQ751 Operation And Installation Manual

Intellihot iQ751 Operation And Installation Manual (72 pages)

Brand: Intellihot | Category: Water Heater | Size: 29 MB

Table of Contents

Table of Contents
3
1 General Information

4
2 Safety

5
- Safety Signal Words
  5
- Installation Warnings
  5
3 Technical Specifications

7
4 Preparation before Installation

14
- Selecting an Installation Site
  14
5 Gas Connection

15
- Gas Pressure Requirements
  15
- Gas Pressure Regulator
  15
- Connection Recommendations
  15
- Connecting the Gas Line
  16
- Venting of Gas Supply Regulators
  17
- Gas Pipe Sizing Tables
  18
- Gas Pressure Regulator
  19
- Venting of Gas Supply Regulators
  19
6 Venting and Materials

20
- Venting Guidelines
  20
- Exhaust Vent Materials
  20
- Air Intake Vent Materials
  20
- Combustion Air Requirements
  21
- Venting Configurations
  21
- Two Pipe Vent System (Direct Vent)
  21
- Venting Termination
  24
- Venting Clearance Specifications
  26
- Common Venting for Multiple Units
  27
- Combustion (Fresh) Air Inlet Exhaust Outlet con
  31
- Nections
  31
7 Water Connections

33
- Water Line Connection Guidelines
  33
- Water Quality
  33
- Hot Water Connection
  33
- Cold Water Connection
  35
- Condensate Line Installation
  35
8 Electrical Power

37
- Electrical Recommendations
  37
- Connection Instructions
  37
9 Propane (LPG) Conversion

39
- General Information
  39
- Procedure
  39
10 Adjusting CO Level

40
- General Information
  40
- Procedure
  40
11 Operation

43
- Control Panel
  43
- Display Icons
  43
- Turning Water Heater on and off
  44
- Resetting (Clear) Error Codes
  44
- Setting the Time
  44
- Adjusting the Water Temperature
  45
- Real Time Temperature and Flow of the System
  45
- Error Screen
  46
- Heat Exchanger Parameters
  46
12 Initial Startup

47
- Instructions
  47
13 Programming

48
- Modes of Operation
  48
- Viewing and Setting Modes of Operation
  48
14 Multiple Units

53
15 Maintenance

57
- Air Filter
  57
- Condensate Sediment Cup Cleaning
  58
- Maintenance-Free Circulation Pump
  59
- Water Heater Control Boards
  59
16 Troubleshooting

60
18 Warranty

67
17 Requirements for State of Massachusetts

68
19 Product Warranty Card

69

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Intellihot iQ751 Troubleshooting Manual

Intellihot iQ751 Troubleshooting Manual (30 pages)

Brand: Intellihot | Category: Boiler | Size: 4 MB

Table of Contents

Troubleshooting
1
Table of Contents
3
Error Code List & Suggested Tool List
4
E1-Blower Speed Fault
5
E3-Blocked Flue
6
E7-Ignition Failure
7
E9-Temperature Sensor Shorted
8
EA-Temperature Sensor Open Circuit
9
EC-Flue Temperature Exceeded
10
Ed-Heat Exchanger Outlet Temperature Exceeded
11
- Flashing Icon
  12
- Icon Flashing
  13
- Recirculation Icon Flashing
  14
Blank (Blue)/Illegible Display
15
Breaker Tripped (Over-Load)
16
Dead Unit-No Powerup
17
No Hot Water
18
Rough Ignition
19
Rumbling
20
Water Leaks
21
Appendix
22
- Blower Replacement
  22
- Gas Valve Replacement
  23
- Electrode Replacement
  25
- Controller Pin Layout
  26
- Wiring Diagram (Wall-Hung)
  26
- Wiring Diagram (Floor-Mount)
  27

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