Owner's manual

2
1 - Boiler Ratings & Capacities ...................... 3
2 - Safe Installation And Operation
............... 5
3 - Locating The Boiler
................................ 6
4 - Near Boiler Piping
.................................. 8
5 - Water Chemistry & Antifreeze Guidelines....
13
6 - Combustion Air/ vent Requirements ........15
7 - Combustion Air And Vent Pipe
................17
8 - Gas Supply Piping
.................................21
9 - Electrical Wiring
...................................22
10 - Controls And Accessories
.....................26
11 - Startup
..............................................28
12 - Detailed Sequence Of Operation............31
13 - Sequence Of Operation Diagnostics
.......34
14 - Checkout Procedure & Adjustments
.......36
15 - Troubleshooting
..................................38
16 - Maintenance And Cleaning
...................48
TABLE OF CONTENTS
Safety Symbols & Warnings
The following dened symbols are used throughout this
manual to notify the reader of potential hazards of varying
risk levels.
NOTICE
Used to address practices not related to personal
injury.
CAUTION
Indicates a hazardous situation which, if not
avoided, could result in minor or moderate injury.
!
WARNING
Indicates a hazardous situation which, if not
avoided, could result in death or serious injury.
!
DANGER
Indicates a hazardous situation which, if not
avoided, WILL result in death or serious injury
!
IMPORTANT: Read following instructions COMPLETELY
before installing!!
KEEP THIS MANUAL NEAR BOILER
RETAIN FOR FUTURE REFERENCE
WARNING
Keep boiler area clear and free from combustible
materials, gasoline and other ammable vapors and
liquids.
DO NOT obstruct air openings to the boiler room.
Modication, substitution or elimination of factory
equipped, supplied or specied components may
result in personal injury or loss of life.
TO THE OWNER - Installation and service of this
boiler must be performed by a qualied 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.
!
WARNING
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.
!
20 1/8”
(511mm)
40 1/4”
(1022mm)
32 5/16”
(820mm)
25 1/4”
(641mm)
4 7/16
(113mm)
Opening for Air Vent
and Expansion Tank
Connection
Standard
Supply & Return Openings
1 1/4 NPT Connections
Provided Inside Boiler
Cabinet
Junction Box for 120 VPower &
24 V Thermostat Leads
Gas Supply
Opening
(1/2” NPT)
Left Side
Vent Tee
(2” CPVC)
Condensate Drain
Fitting (1/2” PVC)
Leveling Feet
Right Side
Back
Vent Connection
(2” CPVC)
Combustion Air Intake
Fitting (2” PVC)
Front
Opening for Relief
Valve Discharge Pipe
6 1/4”
(199mm)