Laars Neotherm NTV600NJX3 Manuals

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Laars Neotherm NTV600NJX3 Installation And Operation Instruction Manual (104 pages)

Modulating Boilers and Volume Water Heaters

Brand: Laars | Category: Boiler | Size: 8.83 MB

Table of Contents
2
General Information
5
A Introduction
5
B Warranty
5
C Model Identification
5
D Safety Notes
6
E Model Overview
8
F Dimensions, Indoor Models
14
G Dimensions, Outdoor Models
16
H the Installation Kit (Installation Parts Box)
18
Locating the Unit
20
A General Information
20
B Locating Appliance for Correct Vent Distance from Outside Wall or Roof Termination
20
Venting and Combustion Air
21
A General Venting
21
B Combustion Air
21
C Venting
24
D Common Venting
26
E Locating Vent and Combustion Air Terminals
26
F Common Vent Test
30
Gas Supply and Piping
31
Pump Requirements
32
B Water Heater Flow and Head Requirements - Heater
32
Boiler
34
Boiler Water Piping
34
Boiler Cold Water Make-Up
34
Condensate Drain
35
Freeze Protection
35
Boiler Suggested Piping Schematics
35
Recognized Chemicals
35
B Water Heater
42
Heater Water Quality
42
Piping Requirements
42
Cold Water Make-Up
42
Condensate Drain
42
Freeze Protection
42
Heater Suggested Piping Schematics
42
Heater Suggested Pumps
43
Installation and Wiring
45
A Installation Warnings
45
B Main Power Connections
45
Pump Connections and Operation
45
Vari-Prime (Optional Variable Speed Pump Control)
46
C Hydronic Heating Using External Modulation Control
47
D Optional Field Connections
47
E Lead Lag Connections
48
F Building Automation System Connections
49
G System Wiring Diagram
50
H Ladder Diagram
52
Using the Touch Screen
53
A the Touch Screen
53
C Login (Required for some Parameters)
54
D Verification Process for Safety-Related Parameters
55
E Checking Individual Parameters
56
F Setting the Date and Time
57
G the Configuration Menu
58
System Identification & Access
59
Heat Configuration
59
G.2.A CH - Central Heat Configuration
59
G.2.B Setting up 4-20 Ma Setpoint
59
Outdoor Reset Configuration
60
DHW - Domestic Hot Water Config
60
Warm Weather Shutdown Config
60
Demand Priority Configuration
61
Modulation Configuration
61
Pump Connections
61
Statistics Configuration
62
High Limits
62
Stack Limits
62
Anti-Condensation Configuration
62
Frost Protection
62
System Configuration
62
Fan Configuration
63
Sensor Configuration
63
Lead Lag Follower Configuration
64
Lead Lag Leader Configuration
66
G.18.A about Lead Lag Operation
69
H Configure for a
71
Building Automation System
71
I Combustion Setup
72
J Adjusting CO 2
74
FIRST START up and ADJUSTMENT 9.A Filling the Boiler System
77
B First Operation
78
C Shutting down the Unit
78
D Restarting the Unit
78
A System Maintenance
79
B Appliance Maintenance and Component Description
79
C Battery Backup for Date & Time
82
D Gas Conversion
83
Troubleshooting
84
A about Lockouts, Holds, and Alerts
84
Responding to a Lockout, Hold, or Alert
84
Viewing the Lockout and Alert Histories
84
B Troubleshooting Table
86
C Diagnostic Tests and Input/Output Indicators
93
E Statistics
94
F Analysis
94
G Control Snapshot
94
D Lead Lag Follower Diagnostics
95
H Operating Sequence
95
Replacement Parts
96
General Information
96
B Parts List
96
Parts Illustrations
98

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Laars Neotherm NTV600NJX3 Installation And Operation Instruction Manual (104 pages)

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