
Instinct
Gas Valve Replacement
4
2. Enter the installer access code “054” by using the
LEFT and RIGHT buttons to select a digit and the UP
and DOWN buttons to change the digit. Press the
center button to enter the access code.
Fig. 5: CTRLMax Navigation Control
Fig. 6: Controls display
3. Press the RIGHT button to highlight the Manual
Operation icon then press the OK button.
4. Press the center button while the FAN icon is high-
lighted to manually re the burner and power the
CH circulator. See Fig. 6
NOTICE
An adequate CH load must be present to dissipate the heat
generated during the combustion test. If an adequate CH
load is not available, an indirect water heater can be used to
dissipate the heat by creating a DHW call which will enable
the DHW circulator.
5. Press the RIGHT button to adjust the ring rate to
100% (high re). Hold down the RIGHT button to
rapidly increase the ring rate.
6. If the combustion levels during high re are outside
the recommended combustion settings, adjust the
THROTTLE SCREW using a at-blade screwdriver as
follows:
Counter-clockwise adjustment of the THROTTLE
SCREW at High Fire (100% firing rate):
Increase CO2 & Decrease O2
Clockwise adjustment of the THROTTLE SCREW at
High Fire (100% firing rate):
Decrease CO2 & Increase O2
7. Once the combustion level is set at high re, manu-
ally place the boiler into low re mode by pressing
the LEFT button to adjust ring rate down to 0%
(low re).
8. If the combustion level (O2 or CO2) during low re
is not within +/-0.2 of the combustion level mea-
sured at high re, shut down the boiler and contact
Triangle Tube Tech Support at 856-228-3584, ext.
500
9. Reattach the front jacket panel and return the unit
to normal service.
Fig. 7: Throttle Screw Location