Instinct
Control Module Replacement
3
6. Record all CH Settings in Table 1. Once completed,
press the
RIGHT
button to highlight the Previous
Screen icon, then press the OK button.
7. Press the
RIGHT
button to highlight the DHW Set-
tings icon then press the OK button.
Fig. 6: DHW Settings
8. Press the
UP
and
DOWN
buttons to scroll thru the
various settings and record all DHW Settings in Ta-
ble 1. Once completed, press the
RIGHT
button to
highlight the Previous Screen icon, then press the
OK button.
Fig. 7: DHW Settings
9. Press the
DOWN
button to highlight the Boiler Set-
tings icon if present icon, then press the OK button.
10. Press the
UP
and
DOWN
buttons to scroll through
the various settings and record all Boiler Settings
in Table 1. Once completed, press the
RIGHT
but-
ton to highlight the Previous Screen icon, then
press the OK button.
NOTICE
Perform the following steps if the Instinct is part of a Cascade
System or the System Temperature Sensor is being used on a
single Instinct.
11. Press the
RIGHT
then
DOWN
buttons to highlight
the Previous Screen icon, then press the OK button.
12. Press the
RIGHT
then
DOWN
buttons to highlight
the Cascade icon, then press the OK button.
13. Press the
RIGHT
button to highlight the Cascade
Settings icon, then press the OK button.
14. Press the
UP
and
DOWN
buttons to scroll thru the
various settings, and record all Cascade Settings in
Table 1.
3. Remove Control Module
1. Turn the electrical power “OFF”.
2. Remove the front jacket panel by removing the two
screws marked "Access" on the top of the boiler.
Flip up the panel. Pull the front jacket up and out.
Do not discard these screws as they will be reused.
3. Remove the screw holding the metal shipping
bracket in place as shown in Fig. 8
Shipping
Bracket
Screw
Shipping
Bracket
Control
Module
Cover
Control
Module
Retaining Tab
Fig. 8: Control Module
4. The shipping bracket and screw can be discarded.
5. Pull the retaining tab on top of the control module
case to remove the cover.
6. Record the current location of all plugs.
7. Remove all Molex wiring connectors from the
Control Module. Some plugs are equipped with a
locking clip. Squeeze the clip to unlock the plug.
Support Control Module with one hand while re-
moving individual Molex connectors. Press tabs on
Molex plugs for quick release.
8. Unclip the 1 clip on the side of the control module