Table Of Contents - UTICA BOILERS UHSW Series Installation, Operation & Maintenance Manual

Boiler Ratings & Capacities...................... 3
Dimensions ............................................. 4
Installation Procedure ............................. 5
Ventilation & Combustion Air .................. 6
Installation System Piping ...................... 7
Vent Installation ................................... 10
Horizontal Venting Instructions .......... 13
Optional Horizontal Venting Instruction 18
Gas supply Piping .................................. 19
Electrical Wiring .................................... 21
Sequence of Operation .......................... 22
Wiring Diagrams ................................... 23
Starting Your Boiler ............................... 24
Checking and Adjusting ......................... 26
Maintaining Your Boiler ......................... 28
Service Hints ......................................... 29
Equipment & Optional Accessories ........ 30
Appendix A - Control Module ................. 32
A.1 Installation Environment Considerations . 32
A.2 Electrical Connections .......................... 32
A.3 Adjusting Settings ............................... 32
A.4 Display .............................................. 32
A.5 Operation .......................................... 33
A.6 Boiler High Limit Temperature Controller 34
A.7 Troubleshooting .................................. 34
A.8 Troubleshooting Error Codes ................. 34
A.9 Intermittent Pilot ................................ 35

TABLE OF CONTENTS

KEEP THIS MANUAL NEAR BOILER
RETAIN FOR FUTURE REFERENCE
Safety Symbols & Warnings
The following defined symbols are used throughout this
manual to notify the reader of potential hazards of varying
risk levels.
Indicates a hazardous situation which, if not avoided,
WILL result in death or serious injury
Indicates a hazardous situation which, if not avoided,
could result in death or serious injury.
Indicates a hazardous situation which, if not avoided,
could result in minor or moderate injury.
Used to address practices not related to personal
injury.
IMPORTANT: Read the following instructions
Fire, explosion, asphyxiation and electrical shock
hazard. Improper installation could result in death
or serious injury. Read this manual and understand
all requirements before beginning installation.
Keep boiler area clear and free from combustible
materials, gasoline and other flammable vapors
and liquids.
DO NOT obstruct air openings to the boiler room.
Modification, substitution or elimination of factory
equipped, supplied or specified components may
result in personal injury or loss of life.
TO THE OWNER - Installation and service of this
boiler must be performed by a qualified installer.
TO THE INSTALLER - Leave all instructions with
boiler for future reference.
When this product is installed in the
Commonwealth of Massachusetts the installation
must be performed by a Licensed Plumber or
Licensed Gas Fitter.
2
!
DANGER
!
WARNING
!
CAUTION
NOTICE
COMPLETELY before installing!!
!
WARNING
!
WARNING
PN 240012689 Rev. A [05/15/2019]