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IMPORTANT
READ ALL OF THE FOLLOWING
WARNINGS AND STATEMENTS
BEFORE READING
THE
INSTALLATION INSTRUCTIONS
The installation must conform to the requirements of
the authority having jurisdiction or, in the absence of
such requirements, to the National Fuel Gas Code,
ANSI Z223.1-latest edition. The installation must also
conform to the additional requirements in this Slant/Fin
Instruction Book.
In addition where required by the authority having juris-
diction, the installation must conform to American
Society of Mechanical Engineers Safety Code for
Controls and Safety Devices for Automatically Fired
Boilers, No. CSD-1.
WARNING
This boiler, gas piping and accessories must be
installed, connected, serviced and repaired by a
trained, experienced service technician, familiar with all
precautions required for gas-fired equipment and
licensed or otherwise qualified, in compliance with the
author
ity having jur
isdiction.
WARNING
The venting system of this boiler is under positive pressure.
Leakage from this system can be hazardous and if not avoided
can result in death or serious injury. In addition to the recom-
mendations within this manual and the
User’
s Infor
mation
Manua
l, the venting system, from the flue collector to the out
-
door discharge
, m
ust be carefully chec
ked annually by a quali-
fied service agency.
This manual must be left with owner and should be
hung on or adjacent to the boiler for reference.
INSTALLATION AND OPERATING INSTRUCTIONS
Printed in U
.S
.A.
708 Part No. 83-5736
Pub
lication No.
J-40
Heating Contractor
Ad
dress
Phone Number
Boiler Model Number
Boiler Serial Number
Installation Date
DIRECT-VENT SEALED COMBUSTION CONDENSING BOILER
HOT WATER MODEL J-390
GAS-FIRED BOILER FOR NATURAL GAS
TABLE OF CONTENTS
Boiler Dimensions and Rating ....................................................2
Identification of Parts..................................................................3
Installation Requirements ...........................................................4
Contamination Prevention...........................................................5
Venting Application .....................................................................5
Boiler Room Air Supply and Ventilation......................................5
Flue gas Venting Requirements..................................................6
Additional Installation Requirements for Massachusetts............6
Vent Material ..............................................................................6
Air Intake Material ......................................................................6
Vent and Air Intake Restrictions .................................................7
Non-Direct Vent Installation ........................................................8
Sidewall Venting, Non-Direct Vent ..............................................8
Vent Termination Location and Clearance..................................8
Non-Direct Vent Vertical Venting.................................................8
Direct Vent Installation ................................................................8
Sidewall Venting, Direct Vent ......................................................8
Vent/Air Intake Termination Installation.....................................14
Direct Vent, Venting and Air Intake through a Roof..................15
Venting and Air Intake Regular Inspection ...............................16
Condensate Removal System ..................................................16
Gas Piping
................................................................................16
Electrical Wiring........................................................................17
Wiring Diagram.........................................................................18
Single and Multi Zoning
............................................................
21
Water Piping .............................................................................24
Operating Instructions...............................................................30
Boiler Control Displa
y
...............................................................30
Boiler Control............................................................................30
Sequence of Operation.............................................................36
Gas Input Rate Adjustment
......................................................
37
Safety Check ...........................................................................38
Care and Maintenance .............................................................41
Gener
al
Troubleshooting Guide ................................................42