Install Instructions

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CHAPTER 11
CHAPTER 11 - START-UP PROCEDURES
Table 3 - Throttle Screw Adjustment
Direction Prestige Excellence 110
Clockwise
Increase CO
2
Decrease O
2
Counter-Clockwise
Decrease CO
2
Increase O
2
11.3.6 Measure Input - Natural Gas Only
1. Ensure the boiler is ring at maximum ring rate. To
manually place the boiler into high re, reference
Section 11.3.5 on page 56.
2. Operate the unit for approximately 10 minutes.
3. Turn o all gas appliances within the building, ex-
cept the PRESTIGE Excellence.
4. At the gas meter, record the time required to use
one cubic foot of gas.
5. Calculate Natural gas input using the following
equation:
3600 x 1000 / number of seconds recorded for one
cubic foot of gas = BTU/H.
6. The BTU/H calculated should approximate the in-
put rating listed on the unit.
11.3.7 Test High Temperature Limit
The high temperature limit can be temporarily lowered
from 210ºF [99ºC] to 102ºF [39ºC] for testing.
1. Press the round INSTALLER button. Reference Fig.
21 on page 37.
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 OK button to enter the access code.
3. Press the OK button while CH & DHW Settings icon
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4. Press the DOWN button to highlight the Boiler Set-
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then press the OK button.
5. Press the DOWN button to highlight Lockout Tem-
perature then press the OK button.
6. Press the UP button to highlight 102ºF [39ºC] then
press the OK button.
7. Press the DOWN button to highlight the Home
Screen icon
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then press the OK button.
8. Initiate a CH or DHW call and conrm that a High
Boiler Temperature lockout occurs once the supply
temperature reaches 102ºF [39ºC].
9. Press any ARROW button to return to the Home
Screen.
10. Press the round INSTALLER button.
11. Press the OK button while the CH & DHW Settings
icon
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12. Press the DOWN button to highlight the Boiler Set-
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then press the OK button.
13. Press the DOWN button to highlight Lockout Tem-
perature, then press the OK button.
14. Press the DOWN button to highlight 210ºF [99ºC]
then press the OK button.
15. Press the DOWN button to highlight the Home
Screen icon
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then press the OK button.
16. Press the OK button to reset the lockout and return
the unit to service.
Table 4 - Acceptable Combustion Levels
Natural Gas Propane
High Fire
CO
2
Range 8.8 to 10.5% 10.7 to 12.0%
CO
2
Target 9.2% 11.0%
O
2
Range 2.3 to 5.3% 2.7 to 4.7%
O
2
Target 4.6% 4.2%
CO Max 100 ppm 150 ppm
Low Fire
CO
2
Range 0.5 to 0.6% Lower than High Fire CO2
O
2
Range 0.8 to 0.9% Higher than High Fire O2