NTI FTVN Manuals

Manuals and User Guides for NTI FTVN. We have 1 NTI FTVN manual available for free PDF download: Installation Start-Up Maintenance

NTI FTVN Installation Start-Up Maintenance (100 pages)

Residential Condensing Gas Boiler

Brand: NTI | Category: Boiler | Size: 24.17 MB

Table of Contents
5
Operation and Installation Warnings
6
Improper Combustion
7
Gas
7
When Servicing the Boiler
7
Boiler System
7
And DHW Loop Water Chemistry Requirements
8
Freeze Protection
8
Water Temperature Adjustment and Scalding
9
High Elevation Installations
9
Part 2 - before You Start
10
What's in the Box
10
Optional Equipment
11
Part 3 - Prepare the Boiler for Installation
12
Locating the Boiler
12
Leveling
13
Clearances for Service Access
13
Wall Mounting Considerations
14
Wall Mounting Instructions
14
Mounting to a Concrete Wall
14
Mounting to a Wood Studded Wall
14
Residential Garage and Closet Installations
14
Exhaust Vent and Intake Pipe
15
Direct Vent of Exhaust and Intake
15
Power Venting, Indoor Combustion Air in Confined or Unconfined Space
15
Carbon Monoxide Detectors
15
Prevent Combustion Air Contamination
16
Removing a Boiler from a Common Vent System
16
Technical Specifications
17
Part 4 - Water Piping
21
General Plumbing Information
21
Backflow Preventer
21
Expansion Tank
21
Piping the Boiler
21
Internal Circulation Pump
23
And DHW Pressure Relief Valves
24
Air Elimination Device
25
Low Water Cut-Off (Field Supplied)
25
Applications
25
Floor Drying Function
33
Part 5 - Venting
34
General
34
Approved Materials for Exhaust Vent and Intake Pipe
35
Additional Requirements for Installation in Canada
35
Exhaust Vent and Intake Pipe Location
36
Exhaust Vent and Intake Pipe Sizing
37
Tightening Boiler Collar to Exhaust Vent and Intake Pipe
37
Exhaust Vent and Intake Pipe Installation
37
Applications
40
Direct Vent Installation of Exhaust and Intake
40
Venting through an Existing System
46
Power Venting, Indoor Combustion Air in Confined or Unconfined Space
47
Part 6 - Installing the Condensate Drain
48
Part 7 - Connecting Electrical Service
49
Wiring
49
Connecting Power (120V) for DHW and CH Circulators
49
Low Voltage Wiring Connections
49
Room Thermostat Wiring Connections
50
Outdoor Sensor Connections
50
Aquastat (Default) and Tank Sensor (Optional) Connections (Non-Combi Models)
50
Internal Wiring Details
51
Part 8 - Gas Connections
55
Gas Pipe Sizing Tables
55
Gas Pipe Sizing
55
Natural Gas Pipe Sizing
55
LP (Liquid Propane) Gas Pipe Sizing
55
Gas Connection Requirements
55
Additional Precaution for Excess Flow Valve (EFV)
56
Checking Gas Pressure at the Boiler for Proper Operation
56
Part 9 - Controls
57
Control and Display Overview
57
Ignition Procedure
58
Central Heating (CH) Temperature Adjustment
58
Domestic Hot Water (DHW) Temperature Adjustment
58
User Menu
59
INFO Menu
60
Date and Time (if ITIME Is Set to OFF)
60
Automatic CH Temperature Control (AUTO)
61
Type of Temperature Control
62
Slope of Outdoor Reset Curve
62
Parallel Shift of Reset Curve
63
Auto Boost
63
Room Temperature Day /Night
64
Time Programs - Heating Schedule
64
Automatic Summer / Winter Changeover
64
Technical Menu - Access and Navigation
65
Technical Menu - Menu Structure
66
Complete Menu Parameters
67
Part 10 - Start-Up Preparation
75
Check / Control Water Chemistry
75
Check for Gas Leaks
75
Freeze Protection (When Used)
75
System Water Fill, Purge, and Test
76
Purge Air from DHW System
76
Check Thermostat Circuit(S)
76
Condensate Removal
76
Part 11 - Start-Up
78
First Ignition
78
Combustion Checking Procedure
78
Checking Combustion Parameters
80
Converting the Appliance from Natural Gas to Propane Operation
80
Part 12 - Installation Checklist
82
Part 13 - Troubleshooting
83
Boiler Protection Devices
83
Blocking Error
83
Lockout Error
83
Malfunction Warning
83
Part 14 - Maintenance
88
Procedures
88
Maintenance that May be Performed by the User
88
Maintenance Only to be Performed by a Qualified Service Technician
89
Replacing Components
92
After Maintenance Is Complete
95
Part 15 - Maintenance Report
95
Shutdown Procedure
97
Failure to Operate
97
Important
97
Part 16 - Shutdown
97
Maintenance Notes
98
Customer Installation Record Form
99

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