Installation - Kenmore K90-150 Owner's Manual

INSTALLATION MANUALAND OPERATING INSTRUCTIONS
PIN# 240004826K, Rev. 1.1 [08/05] • Printed in USA • Made In USA
I. Introduction ........................................................ 2
I1. Safety Symbols ................................................ 2
Ill. Rules For Safe Installation and Operation ......... 3
IV. Boiler Ratings and Capacities ......................... 4
V. Before Installing The Boiler .............................. 5
VI. Placing The Boiler ........................................... 9
VII. Near Boiler Piping .......................................... 9
VIII. Combustion Air and Vent Pipe .................... 11
IX. Gas Supply Piping ........................................ 13
X. Electrical Wiring ............................................. 15
XI. Controls and Accessories ............................. 17
XII. Startup ......................................................... 19
XIII. Checkout Procedures and Adjustments ........ 22
XIV. Maintenance and Cleaning ......................... 25
XV. Detailed Sequence of Operation .................. 27
XVI. Troubleshooting .......................................... 32
XVII. Installation and Checkout Certificate ......... 39
forces the resulting flue gases from the boiler unit
and provides a positive removal of the flue gases
from the building through inexpensive and readily
available PVC and CPVC vent pipes.
The following defined symbols are used throughout
this manual to notify the reader of potential hazards
of varying risk levels.
KEEP THIS MANUAL NEAR BOILER AND
RETAIN FOR FUTURE REFERENCE.
_WARNING
IA CAUT,O. A I
This appliance is a gas-fired direct vent cast
aluminum hot water boiler. A revolutionary cast
aluminum heat exchanger means better heat
transfer and thermal storage than similarly sized
cast iron boilers, which results in higher efficiency.
The heating system water absorbs large amounts
of heat from the cast aluminum heat exchanger,
cooling the flue gases and causing condensation.
Sealed combustion, premix gas burner, and low
flame temperature means drastically reduced CO
and NOx emissions, which contribute to a cleaner
and healthier environment.
Indicates a potential hazardous situation
which, if not avoided, MAY result in minor or
moderate injury. It may also be used to alert
against unsafe practices. ,,
/cMPORTANT: Read the following instructions_
OMPLETELY before installing!!
This appliance, unlike normal residential atmospheric
and induced draft units, takes its combustion air
directly from the outdoors (sealed combustion) and
does not compete with building occupants for fresh
air. Sealed combustion (also known as "direct vent")
is the safest and best way to obtain plenty of clean
combustion air. The forced draft fan draws in the
outside combustion air to mix with gas, which flows
into the pre-mix burner and combusts. The fan then