29
9.
Lead boiler fires up to base
load rate and both boilers
modulate in unison up to 100%
or as low as 4% based on
heating demand
10. Lag boiler shuts down first
when:
Lead lag temp > (Lead lag
se Drop stage Error
threshold)
11. Lag boiler isolation valve
remains open for overrun time
(Default: 1 minute)
12. All boilers off:
Lead lag temp > (Lead lag
se off hysteresis)
13. Lead boiler isolation valve
remains open for overrun time
(Default: 1 minute). Lag boiler
isolation valve also opens for
overrun time to remove any
residual heat that may have
accumulated inside boiler.
14. Lag boiler electronic isolation
valve is closed, and lead boiler
electronic isolation valve
remains open
5)
Select
6)
Uncheck CH: Demand*
7)
Uncheck CH: Service Active*
8)
Uncheck Local Lead Lag: Service Active*
9)
Aux pump: X is set
Figure 35: Configure Menu
6.1.1 System Identification & Access
Menu Group Selection
Parameter
Description
System Identification & Access
Product Type
Commercial Hydronic Boiler
OS number
Part Number of SOLA Controller
Software Version
Software Version
Date Code:
Release Date of Software
Boiler Name
Valiant Model Number
6.1.2 Pump Configuration
Pump
Configuration
Central
Heat
Pump
Pump Control
Auto
Assigns the method for SOLA to control a Central Heating
pump (Default: Auto, Pump is activated whenever a call for
heat is present)
ON
ON: Pump is constantly powered
Pump Output
Pump B
Specify pump contact
Over run time
1..5 min
Post pump time (Default: 1 min)
Use for local (Stand-
alone) demands
P
Содержание Valiant-FT II Series
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