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NTI Manuals
Boiler
TRX085
Installation, start-up, maintenance, parts, warranty
Table Of Contents - NTI TRX085 Installation, Start-Up, Maintenance, Parts, Warranty
Residential condensing gas boiler
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Also See for TRX085
:
Conversion instructions
(12 pages)
,
Installation start-up maintenance
(132 pages)
,
Installation, start-up, maintenance, parts, warranty
(116 pages)
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Contents
Table of Contents
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Table of Contents
Part 1 - General Safety Information
A. Operation and Installation Warnings
B. Improper Combustion
C. Gas
D. When Servicing the Boiler
E. Boiler System
F. CH and DHW Loop Water Chemistry Requirements
G. Freeze Protection
H. Water Temperature Adjustment and Scalding
I. High Elevation Installations
Part 2 - Before You Start
A. What's in the Box
B. Optional Equipment
Part 3 - Prepare the Boiler for Installation
A. Locating the Boiler
B. Leveling
C. Clearances for Service Access
D. Wall Mounting Considerations
E. Wall Mounting Instructions
1. Mounting to a Concrete Wall
2. Mounting to a Wood Studded Wall
F. Residential Garage and Closet Installations
G. Exhaust Vent and Intake Pipe
1. Direct Vent of Exhaust and Intake
2. Power Venting, Indoor Combustion Air in Confined or Unconfined Space
H. Carbon Monoxide Detectors
I. Prevent Combustion Air Contamination
J. Removing a Boiler from a Common Vent System
K. Technical Specifications
Part 4 - Water Piping
A. General Plumbing Information
B. Backflow Preventer
C. Expansion Tank
D. Piping the Boiler
E. Internal Circulation Pump
F. By-Pass Valve
G. CH and DHW Pressure Relief Valves
H. Air Elimination Device
I. Low Water Cut-Off (Field Supplied)
J. Applications
*
K. Floor Drying Function
Part 5 - Venting
A. General
B. Approved Materials for Exhaust Vent and Intake Pipe
C. Additional Requirements for Installation in Canada
D. Exhaust Vent and Intake Pipe Location
E. Exhaust Vent and Intake Pipe Sizing
F. Tightening Boiler Collar to Exhaust Vent and Intake Pipe
G. Exhaust Vent and Intake Pipe Installation
H. Applications
1. Direct Vent Installation of Exhaust and Intake
2. Venting Through an Existing System
3. Power Venting, Indoor Combustion Air in Confined or Unconfined Space
Part 6 - Installing the Condensate Drain
Part 7 - Connecting Electrical Service
A. Wiring
1. Removing the Power Cord (To Hard Wire the Boiler)
2. Connecting Power (120V) for DHW and CH Circulators
3. Low Voltage Wiring Connections
4. Room Thermostat Wiring Connections
5. Outdoor Sensor Connections
6. Aquastat (Default) and Tank Sensor (Optional) Connections (non-Combi
Models)
B. Internal Wiring Details
Part 8 - Gas Connections
6
A. Gas Pipe Sizing Tables
1. Gas Pipe Sizing
6
2. Natural Gas Pipe Sizing
7
3. LP (Liquid Propane) Gas Pipe Sizing
7
B. Gas Connection Requirements
7
C. Additional Precaution for Excess Flow Valve (EFV)
7
D. Checking Gas Pressure at the Boiler for Proper
8
Operation
8
Part 9 - Controls
9
A. Control and Display Overview
9
B. Ignition Procedure
10
C. Central Heating (CH) Temperature Adjustment
10
D. Domestic Hot Water (DHW) Temperature Adjustment
12
E. User Menu
13
F. INFO Menu
13
G . Date and Time (If ITIME is set to OFF)
14
H. Automatic Temperature Control (AUTO)
14
I. Type of Temperature Control
15
J. Slope of Outdoor Reset Curve
15
K. Parallel Shift of Reset Curve
15
L. Auto Boost
16
M. Room Temperature Day /Night
17
N. Time Programs - Heating Schedule
17
O. Automatic Summer / Winter Changeover
17
P. Technical Menu - Access and Navigation
17
Q. Technical Menu - Menu Structure
17
R. Technical Menu - Complete Menu
18
Part 10 - Start-Up Preparation
18
A. Check / Control Water Chemistry
19
B. Check for Gas Leaks
24
C. Freeze Protection (When Used)
24
D. System Water Fill, Purge, and Test
24
E. Purge Air from DHW System
24
F. Check Thermostat Circuit(s)
24
G. Condensate Removal
26
Part 11 - Start-Up
26
A. First Ignition
26
B. Combustion Checking Procedure
28
C. Checking Combustion Parameters
28
D. Converting the Appliance from Natural Gas to Propane Operation
28
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Part 12 - Installation Checklist
36
Part 13 - Troubleshooting
36
A. Boiler Protection Devices
37
1. Blocking Error
37
2. Lockout Error
3. Malfunction Warning
38
B. Boiler Error Codes
39
Part 14 - Maintenance
39
A. Procedures
40
B. Maintenance That May be Performed by the User
42
C. Maintenance Only to be Performed by a Qualified Service Technician
42
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D. Replacing Components
49
E. After Maintenance is Complete
50
Part 15 - Maintenance Report
51
Part 16 - Shutdown
51
A. Shutdown Procedure
52
B. Failure to Operate
53
C. Important
53
Part 17 - Maintenance Notes
54
Customer Installation Record Form
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This manual is also suitable for:
Trx
Trx120
Trx110cp
Trx150c
Trx110c
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