Part Number 550-110-732/0703
Contents
Page
1
Prepare boiler location ........................................................ 2
2
Prepare boiler ..................................................................... 8
3
Install water piping .............................................................. 9
4
Venting and combustion air ............................................... 12
5
Gas piping ........................................................................ 12
6
Field wiring ....................................................................... 13
7
Start-up ............................................................................ 14
8
Checkout procedure ......................................................... 16
9
Sequence of operation ...................................................... 17
10
Operating instructions ....................................................... 19
11
Service and maintenance ................................................. 20
12
Troubleshooting ................................................................ 25
13
Replacement parts ........................................................... 33
14
Dimensions ...................................................................... 38
15
Ratings ............................................................................. 39
Boiler Manual
GWS
Gas-Fired Water Boilers
This manual must only be used by a
qualified heating installer/service technician.
Failure to comply could result in
severe personal injury, death or substantial property damage.
When calling or writing about the boiler— Please have: • boiler model number from the boiler rating label and • CP number
from the boiler jacket. You may list the CP number in the space provided on the “Installation and service certificate” found on
page 16.
Hazards that
will or can cause minor
personal injury
or property damage.
Special instructions on installation, operation or
maintenance that are important but not related to
personal injury or property damage.
INSTALLER
—
Read all instructions before
installing.
Read page 2 first
. Follow all instructions
in proper order to prevent personal injury or death.
• Consider piping and installation when determining
boiler location.
• Any claims for damage or shortage in shipment
must be filed immediately against the
transportation company by the consignee.
USER
— Please read the following. Failure to
comply could result in severe personal injury, death
or substantial property damage.
•
This manual is for use only by your qualified
heating installer/service technician
.
• Please see the User’s Information Manual for
your reference.
• Have the boiler serviced by a qualified service
technician, at least annually.
Hazards that
will cause severe
personal injury,
death or substantial property damage.
Hazards that
can cause severe
personal injury,
death or substantial property damage.
Hazard definitions
