Specifications

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stcudorP retaW htimS .O .A Service Workbook
Ashland City, Tennessee 2005© Training Department
CENTRAL CONTROL BOARD
1 PER BOILER
SW1 OFF ON SELECTION:
A 3 Stage 4 Stage Either 3 or 4 stage system
B 3 Trials 1 Trial Either 3 or 1 trial(s) for ignition
C No IRI gas valve IRI gas valve Whether system is IRI or standard
D Inlet Tank Inlet or tank as controlling probe
E No external TSTAT External TSTAT Whether external TSTAT is used
F Outlet 210° F Outlet 240° F Outlet maximum temperature
G 190° F 220° F Maximum set-point temperature
H Degrees F Degrees C Either °F or °C
for displayed temp.
TABLE - CONFIGURATION OF DIP SWITCHES
Dip Switches
To Stage
1 ICB
To
Remote
Display
(OPT)
To
Display
Board
(Inside, Bottom of Cabinet)