Table of Contents
Advertisement
Gas fi red Balanced fl ue / Fan assisted fl ue
B
elarus, Bulgaria,
F
G
inland,
reece,
N
P
orway,
Please read this document carefully before commencing installation, commissioning and/or servicing.
Leave it with the user or attached to the appliance or gas service meter after installation.
Improper installation, adjustment, alteration, service or maintenance can cause property damage, injury or death.
All work must be carried out by appropriately qualifi ed persons.
The manufacturer does not take any responsibility in the event of non-observance of the regulations concerning
the connection of the apparatus causing an evil operation possibly resulting in damage to the apparatus and/or
environment in which the unit is installed.
Subject to modifi cations
UDSA 008-2 / 100-2
unit heater
INSTALLATION
COMMISSIONING
SERVICING
Applies to
C
C
hina,
zech Republic,
H
I
ungary,
celand,
P
R
oland,
ortugal,
omania,
S
S
lovenia,
pain,
These appliances meet the following EC Directives:
DIR 2009/142/EC:GAD
DIR 2004/108/EC :EMC
DIR 2006/95/EC :LVD
DIR 2006/42/EC :MD
C
C
roatia,
yprus,
L
L
M
atvia,
ithuania,
ontenegro,
R
ussian Federation,
S
T
U
weden,
urkey,
kraine
WARNING
Reznor Menen - J.&M. Sabbestraat 130/A000, B 8930 Menen
Tel.: +32 56/52 95 11 · Fax +32 56/52 95 33
1103UDSA-2--EN
D
E
enmark,
stonia,
N
ew Zealand,
S
S
erbia,
lovakia,
1103UDSA-2--EN, Pag. 1/36
Advertisement
Table of Contents
Troubleshooting
Related Manuals for Reznor UDSA 100-2
Summarization of Contents
REZNOR UDSA Unit Heater: Introduction
Installation, Commissioning, Servicing Overview
Outlines the main operational phases for the unit.
Product Compliance & Safety Directives
Lists relevant EC Directives and CE marking information.
Safety Warnings and Precautions
Gas Leak & Fire Safety
Actions to take if a gas leak is detected, including immediate steps.
General Appliance Safety
Precautions on flammable vapors, installation, hazardous atmospheres, and water.
1. General Information
Product Overview & Certification
Details on models UDSA 008-2 to 100-2 and CE EN1020 certification.
Installation Codes & Warranty
Requirements for installation codes and factors voiding the warranty.
Uncrating & Initial Inspection
Procedures for unpacking, checking for damage, and verifying specifications.
5. Dimensions & Clearances
Unit Dimensional Data
Table detailing physical dimensions of various UDSA models in mm.
6. Technical Specifications
Minimum Installation Clearances
Required clearances for air, inspection, service, and combustible materials.
Gas Category by Country
Lists gas categories applicable to specific countries.
7. Flue Requirements & Installation
Flue System Diameters & Lengths
Table specifying flue pipe diameters and maximum allowable lengths.
8. Heater Location & Environmental Factors
Optimal Unit Placement
Recommendations for positioning the heater for effective heating and air stratification.
Chlorine Vapour Hazards
Explains corrosion risks from chlorine vapours and recommended actions.
9. Heater Hanging & Support
Suspension Methods & Weight Limits
Instructions for safely suspending the heater using provided fittings and weight considerations.
10. Gas Piping & Pressure Guidelines
Gas Supply Connection & Testing
Procedures for connecting gas lines and leak testing, including safety warnings.
11. Electrical Supply & Connections
Wiring & Safety Requirements
Guidelines for qualified electricians, earthing, and control connections.
Thermostat Installation & Location
Best practices for installing and positioning the room thermostat for accurate readings.
12. Installation Checks & Start-Up
Pre-Start-Up Verification
Checklist of critical items to verify before initial heater operation.
Heater Ignition & First Operation
Steps for safely starting the heater, including safety warnings and first-time checks.
Operating Instructions & Sequence
Normal Heat Cycle Operation
Step-by-step guide for the heater's operational sequence and control.
Appliance Shut Down Procedures
Procedures for turning off the heater for short or long periods.
Burner Gas Pressure Adjustment
Gas Valve & Pressure Regulation
Instructions on checking and adjusting gas pressure using the Honeywell gas valve.
Ignition System & Heat Cycle
Direct Spark Ignition Sequence
Explains the integrated control relay and the normal heat cycle operation.
13. Maintenance & Service Schedule
Annual Maintenance Tasks
Recommended cleaning and inspection procedures to be performed yearly.
14. Heat Exchanger Maintenance
Heat Exchanger Inspection & Cleaning
Procedures for visually checking and cleaning the T-CORE2® heat exchanger.
15. Burner Maintenance & Removal
Burner Inspection & Cleaning
Instructions for removing, inspecting, and cleaning the one-piece burner assembly.
Burner Orifice & Ignition System
Burner Orifice Replacement
Guidelines for replacing the burner orifice when changing gas types.
Ignitor Cleaning & Spark Gap
Procedures for cleaning the ignitor and setting the correct spark gap.
Fan Motor & Flame Sensor
Fan Motor Operation & Protection
Information on the fan motor's thermal overload protection.
Flame Sensor Cleaning & Check
How to clean and check the flame sensor for proper operation.
Fan, Blades & Guard Maintenance
Fan Assembly Cleaning & Replacement
Instructions for cleaning the fan guard, motor, and blades, and their replacement.
20. Venter Motor & Wheel Service
Venter Motor Replacement
Steps for removing and replacing the venter motor and wheel assembly.
21. Operating Gas Valve
Gas Valve Function & Maintenance
Details on the main operating gas valve, its function, and basic checks.
22. Combustion Air Switch & Limit Controls
Pressure Switch Function
Explains the role of the combustion air pressure switch in ensuring proper airflow.
Limit Controls & Safety
Information on temperature-activated limit controls and their safety functions.
24. Flue & Piping Checks
Annual Flue System Inspection
Guidance on inspecting flue joints, seams, and terminal caps annually.
25. Troubleshooting Guide
Control Relay Troubleshooting
A visual guide to diagnose issues related to the control relay.
General Troubleshooting Procedures
Venter Motor & Burner Start-Up Issues
Common causes and remedies for venter motor failure and burner ignition problems.
Burner Cycle & Fan Motor Faults
Troubleshooting tips for burner cycling issues and fan motor malfunctions.
26. Parts List & Identification
Component Part Numbers
A comprehensive list of replacement parts with their descriptions and part numbers.
Need help?
Do you have a question about the UDSA 100-2 and is the answer not in the manual?
Questions and answers