Elite EL-110 LP, Руководство по установке

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58
Boiler Manual
PART 10. START-UP PROCEDURE
(CONTINUED)
Function 29 DHW Modulation Mode
DHW MODULATE MODE
NORMAL MOD
29
Description: This parameter controls how the
boiler modulates for a DHW demand. In Normal
Mod mode, the boiler will modulate down from
high fire when there is a DHW demand. In Low
Mod mode the boiler will modulate up from low
fire when there is a DHW demand. This mode is
useful to minimize short cycling when a large
boiler and small indirect tank are used together.
Factory Default: Normal Modulation / Selection
Range (Normal Mod or Low Mod)
Function 30 Extra Boiler Mode
EXTRA BOILER MODE
OFF
30
Description: Boiler is a cascade master boiler.
This allows for a non HTP boiler to be controlled
when the cascade output has risen above the
percent of the cascade firing rate set in this
parameter. Factory Default: Off / Range (50% to
100%)
Function 31 System Sensor Mode
SYSTEM SENSOR MODE
OFF
31
Description: Suppresses the ‘NO FOLLOWER’
message on the display if the boiler is used as a
cascade master boiler with no follower boilers
connected. Factory Default: Off / Range (On / Off)
Function 32 Service Schedule
SERVICE SCHEDULE
OFF
32
Description: Allows the user to select a service
date or time based on the boiler run hours to
program the boiler maintenance schedule.
Factory Default OFF / Selection (Date or Run
Hours) NOTE: Without setting this function,
Functions 33/34/35/36 will not display.
Function 24 Cascade Rotation
CASCADE ROTATION
48 HOURS
24
Description: This parameter sets the amount of
hours before the first boiler in the cascade firing
rotation will be changed. Note: if this parameter
is set to 0, the firing order of the boilers will not
rotate.
Default: 48 hours, selection range: 0-240 hours.
Function 25 Cascade DHW Mode
NOT USED 25
NOT USED 25
Description: Not used
Function 26 System Pump Freeze Protect
SYS FREEZE PROT
PROTECT OFF
26
Description: Allows the user to set the freeze
protection when a system pump is used. Factory
Default: OFF / Selection of temperature acti-
vates Freeze (Range –47°F to 68°F)
Note: This parameter is only present if the boil-
er is a cascade master.
Function 27 Error System Senor
ERROR SYSTEM SENS
ON
27
Description: Allows the user to set the control to
display an error message if the system sensor is
open or shorted – Note: This error does not stop
the boiler from running. Factory Default ON /
Selection (ON /OFF).
Function 28 Freeze Protection
FREEZE PROTECTION
ON
28
Description: Allows the user to set the freeze
protection on the boiler. Factory Default: ON
Selection (Range ON or OFF)