Install Instructions

Part number 550-100-131/0715
– 100 –
™
GAS-FIRED WATER BOILER — Boiler Manual
Troubleshooting
1. See below for tools and kits recommended for troubleshooting
Evergreen
TM
boilers.
2. Check for 120 VAC (minimum 102 VAC to maximum 132
VAC) to boiler.
3. Check the Control’s last three lockout histories. (Navigate to
the DIAGNOSTICS menus.)
a. See Figure 71, page 73 for navigation instructions and
Figure 77, page 78 for the complete Diagnostics menus.
b. In the DIAGNOSTICS menu, scroll down to PAST ER-
RORS and press the enter key.
c. Record the first three data records and then highlight the
history record you want to view. See page 130, (Data col-
lection sheet).
d. Follow information at the bottom of the screen to navigate
through your lockout histories.
4OOL 0URPOSE
#2 Phillips
screwdriver
Multiple uses
Flat blade
screwdriver
To assemble the condensate trap
3 mm Allen wrench
For removing igniter and flame sense screws
10 mm wrench
For removing heat exchanger cover plate
#2 Phillips stubby
screwdriver
For removing burner access cover
8 mm socket with 8”
extension
For removing blower
5/16” socket or nut
driver
For removing air baffle and burner access panel
Multimeter
Measurements on sensors and electrical com-
ponents
Manometer
(Inclined or digital)
Measure the INLET gas pressure to the boiler
Combustion analyzer
(Digital preferred)
Combustion testing and boiler adjustments
Contact thermometer
Checking surface temperatures of heat exchanger
and pipes
Maintenance kit
ALWAYS have this kit on hand when performing
maintenance in case replacement is required.
Check the following:
1. Make sure thermostat is calling for heat and contacts (includ-
ing appropriate zone controls) are closed. Check for 24 VAC
between thermostat wire nuts and ground.
2. Make sure all external limit controls are either installed (and
closed) or temporarily jumpered for testing.
3. Make sure that connectors to Control are securely plugged in
at module and originating control.
4. Gas pressures:
s Maximum: 14” (356 mm) w.c. with no flow (gas valve
lockup pressure).
s Minimum: must be no less than the minimum values given
on page 16 while operating on High fire.
&AILURETOADHERETOTHESEGUIDELINES
CANRESULTINSEVEREPERSONALINJURY
DEATHORSUBSTANTIALPROPERTYDAMAGE
ELECTRICAL SHOCK HAZARD
The boiler ON/OFF switch does not turn off all power to
the boiler.
452./&&!,,0/7%24/4(%"/),%2
7(%.3%26)#).'
. Internal wiring is still powered when
the switch is off.
DO NOT JUMPER DEVICES
Never jumper (bypass) any device except for momentary
testing.
REINSTALL JACKET DOOR
The boiler door must be securely fastened to the boiler
to prevent boiler from drawing air from inside the boiler
room. This is particularly important if the boiler is located
in the same room as other appliances. Failure to keep the
door securely fastened could result in severe personal
injury or death.
BEFORE SERVICING or MAKING
CONNECTIONS —
!,7!93452.0/7%2/&&4/4(%"/),%24/
02%6%.4 %,%#42)#!, 352'%37()#( #!.
$!-!'%"/),%2#/-0/.%.43
LABEL WIRES BEFORE
REMOVING
Label all wires prior to disconnection when
servicing controls. Wiring errors can cause
improper and dangerous operation.
Before calling for troubleshooting assistance, fill in the
“
%VERGREEN
4-
'AS$ATA#OLLECTION3HEET” (page 130).
Record the boiler size and CP number (located on the out-
side left jacket above the rating label).