Lochinvar TTW Series Manuals

Manuals and User Guides for Lochinvar TTW Series. We have 1 Lochinvar TTW Series manual available for free PDF download: Installation, Commissioning And Maintenance Instructions

Lochinvar TTW Series Installation, Commissioning And Maintenance Instructions

Lochinvar TTW Series Installation, Commissioning And Maintenance Instructions (120 pages)

FLOOR STANDING GAS FIRED CONDENSING CIRCULATING TYPE WATER HEATER

Brand: Lochinvar | Category: Water Heater | Size: 6.61 MB

Table of Contents

Table of Contents
3
1 Introduction

6
- Ancillary Options
  6
2 Safety Guidelines

7
- General Description of Safety Symbols Used
  7
- What to Do if You Smell Gas
  8
3 Principle Parts

8
- Casing
  8
- Electrical
  9
- Gas Train and Air Inlet
  9
4 Technical Data

10
5 Dimensions and Clearance

11
- Dimensions
  11
- Dimensions Ttw410
  11
- Dimensions Ttw580
  11
- Minimum Clearances
  11
- Water Heater Connections
  12
- Connections and Connection Sizes
  12
- Condensate Drain Connection
  13
6 General Requirements

14
- Related Documents
  15
7 Water Quality

16
- Water Chemistry
  16
8 Location

16
- Plant Room Requirements
  16
- General Requirements
  16
- Unpacking and Levelling the Water Heater
  17
- Clearances
  17
9 Gas Supply

18
- Service Pipes
  18
- Meters
  18
- Gas Supply Pipes
  18
- Boosted Supplies
  18
- Plant-Room Control Valve
  18
- Equipment Gas System Leak Check
  18
10 Flue System

19
11 Air Supply

32
12 Water Connections

34
- General
  34
- Unvented System Arrangement
  34
- Expansion Vessel Sizing
  34
- Coefficient of Expansion of Water at 3.5 Bar Inlet Pressure
  34
- Circulating Pumps
  35
- Primary Pipework Loop Sizing
  35
- Circulation Requirements
  35
- Pipework Header Sizes for Common Installations
  36
- Pipework Schematics
  36
- Pressure Relief Valve
  37
- Anti-Gravity Loop
  37
- Automatic Air Vent
  37
- Frost Protection
  37
- System Flushing
  37
13 Control Options/Installation

38
14 Schematics

40
15 Electrical Installation

42
- Electrical Supply Requirements
  42
- External Controls
  42
- Wiring Connections
  42
- Accessing Wiring Connections
  42
- Wiring Connections
  43
- Wiring Terminals
  43
- Wiring Terminals
  44
- Mains Supply Connection - Three-Phase Supply
  45
- 3-Phase Electrical Supply Connection
  45
- Mains Supply Connection - Single Phase Supply
  45
- Single Phase Electrical Supply Connection
  45
- Fuses
  45
- Wiring Diagrams
  46
- UPPER BURNER WIRING DIAGRAM (PCB A, Left)
  47
- Upper Burner Control
  47
- LOWER BURNER WIRING DIAGRAM (PCB B, Right)
  49
- Lower Burner Control
  49
- Sensor Values
  50
16 Control System

51
- Control Panel
  51
- Control Panel / Menu Structure
  52
- Display During Operation
  54
- Monitor Screens
  55
- Service Function
  57
- Schornsteinfeger Function
  57
- Programming in Standby Mode
  58
- Setting Time & Date
  58
- Set Points
  59
- Setting the Timer Programs
  59
- Starting the Timer Programs
  59
- Hot Water Program
  60
- Anti Legionnaires' Disease Program
  61
- Checking the Operating History
  62
- Checking the Fault History
  63
- Setting the Maintenance Specifications
  64
- Maintenance Settings
  64
- Setting the User Lock
  67
- Setting the Parameters by the Display Menu
  68
- Fault Codes Display
  76
- Lock-Out Codes
  76
- Blocking Codes
  78
- Important Message
  80
17 Controlling Options and Settings

80
- General
  80
- Extra Water Heater Control
  80
- Max Cooling Time
  80
- Temperature Display On/Off
  80
- Gas Type Selection
  80
- Soft Start Option
  81
- Pump Mode (Ec Technology)
  81
- Water Heater Options
  82
- VDC Remote Flow Temperature Set Point
  82
- Anti-Legionnaires' Disease (Pasteurisation) Function
  82
- Tank Sensor Sensitivity
  83
- Cascade Control
  84
- Parameter Settings for Cascaded Water Heaters
  84
- Monitor Screens
  86
- Output Control and Burner Sequence
  86
18 Commissioning the Water Heater

87
19 Starting the Water Heater

89
- General
  89
- Firing for the First Time
  90
20 Adjusting and Setting the Burners

91
21 Putting the Water Heater out of Operation

99
22 Fault Codes, Blocking Codes

100
- Fault Codes
  100
- Lock-Out Codes
  100
- Blocking Codes
  108
- Maintenance Attention Message
  112
23 Maintenance

113
- General
  113
- Maintenance Reminder Function
  113
- Service Intervals
  113
- Inspection & Maintenance
  113
- Customer Comments
  113
- Service History
  113
- Flue Gas & Air Supply
  114
- Gas Supply & Safeties
  114
- Remove the Burner Unit
  114
- Burner
  114
- Ignition / Ionisation Electrode
  114
- Burner Door Gaskets
  114
- Mounting the Burner Door Correctly Back Onto the Heat Exchanger
  114
- Non Return Valve
  115
- Fan
  115
- Insulation
  115
- Siphon
  115
- Heat Exchanger and Burner Room
  116
- Gas/Air Ratio
  116
- Pump
  116
24 Erp DATA TABLE

116
25 User Instructions

116
26 Warranty

116

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