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GT 400 A
21/09/06 - 94863449 - 82294154E
1 Shut-down procedures
Disengage all electrical power switches to heating system burners,
pumps. Isolate all boiler valves and fuel valves.
For off-season shutdown, open boiler combustion flue aways and
clean. Ensure venting, chimney, combustion and ventilation air
openings free from blockage. Do not drain waterside of system.
1.
BOILER OPERATING TEMPERATURE CONTROL graduated
from (# 4-10) 104f-210f. factory preset at (# 7) 158f. to adjust, remove
knob by pulling outwards. Using a pair of pliers pull white pin and
relocate to desired setting.
2.
LIMIT CONTROL same graduations as the NO.1 control apply.
3.
BOILER TEMPERATURE INDICATOR
4.
HIGH LIMIT MANUAL RESET: to reset remove knob, using a thin
screwdriver insert into opening and push it. Replace knob.
OPERATING PRINCIPLE OF CONTROLS adjust boiler operating
temperature settings using control marked operator NO.1.
Control marked NO.2 is the high limit with it set point adjusted above
operator setting.
(see electrical diagram inside boiler panel)
START UP following the operating principle of the controls and
confirming completed circuit of other external limits. Apply power for
system start up.
DDR AMERICAS INC.
DE DIETRICH THERMIQUE
Control dial temperature settings
Important : (in the absence of bas) Do not set controls below the
number 5 (122f) setting.
°
C
30
4
3
2
1
8553N185
Dial #
4
5
6
7
8
9
10
Temp F
104
122
140
158
176
194
210
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