Weil-McLain Evergreen EVG 220, Руководство пользователя

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Screens shown above are typical only.
Actual screens depend on control
settings chosen.
Part number 550-100-131/0120
– 76 –
®
gas
-
fired water boiler
— 220/299/300/399 Boiler Manual
BOILER SETTINGS menu, BASIC mode
Boiler Model, Altitude and Fuel Type are criti-
cal settings.
Failure to set correctly could result in
severe personal injury, death or substantial property
damage.
1. Access contractor menus by pressing and holding the UP and
DOWN arrow keys at the same time for 7 seconds.
2. See Figure 74, page 75 for the screen sequences up to the
CONTRACTOR menu.
MENU ITEM DESCRIPTION
BOILER MODEL
• MUST be set to correct model.
• Check the boiler model against the model listed on the
boiler’s rating plate. Change the selection to the correct
model if not. Also verify the model number on the
Evergreen control display at power-up. Failure to correct
would result in severe personal injury, death or substan-
tial property damage.
CONTROL TYPE
• Select single, master or shadow. Must be set to Single for
basic mode.
HIGH ALTITUDE
• MUST be set to correct value if altitude over
2,000 feet — values selectable in 500 feet increments.
LP GAS
• MUST be correct — YES if LP Gas is used or NO
if natural gas is used. Follow screen instructions to change
if necessary.
ODT SENSOR
EXEMPT
• Select YES only if boiler is exempt from the requirement
for outdoor reset operation stipulated in Section 303 of
the 2007 Energy Act. See information provided elsewhere
in this manual.
MANUAL RESET
HIGH LIMIT TEMP
• If boiler outlet water temperature exceeds this tempera-
ture, the Evergreen control will shut down the boiler and
enter lockout. Changing this setting is NOT recom-
mended.
WWSD TEMP
• WWSD stands for warm weather shut down. It
means the boiler will not be allowed to fire if the out-
side temperature is greater than the WWSD setting.
When the boiler is kept off because the outside tem-
perature is above WWSD, the graphic display will show
WWSD, and the boiler will remain in standby until the
outside temperature drops below WWSD temperature.
W W S D d o e s n o t a p p l y t o D H W s y s t e m s .
The outdoor sensor must be installed to use this function.
ADJUST OUTDOOR
• Use this setting to calibrate the outdoor sensor when needed
to compensate for variations in lead length or other factors
that could affect total resistance in sensor circuit.
CIRCULATOR
EXERCISING
• For each circulator, select whether you want the control
to automatically start the circulator and run for 10 sec-
onds for each 72-hour period of inactivity.
FREEZE PROTECT
CIRCS
• This function automatically fires the boiler at low fire and
starts the circulators chosen if the heat exchanger sensors
detect a temperature less than 45 °F. Burner is turned on
if temperature drops below 40 °F. Circulators and burner
turn off when the temperature rises above 48 °F.
RESET FACTORY
DEFAULTS
• Use this function to restore all control settings to factory
default values — will require complete restart and setup
of control after resetting. Record information from
the MAINTENANCE screen and any history informa-
tion that may be of use in the future. ALL stored data is
eliminated when reset to defaults except for boiler model
number.
Figure 75
Evergreen BASIC mode BOILER SETTINGS options (USER MODE must be set to BASIC)