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Innovation Water Heaters Installation, Operation & Maintenance Manual
CHAPTER 4 – INITIAL START-UP
OMM-0078_0M
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
Page
55
of
216
GF-128
Phone: 800-526-0288
09/11/2015
4.2.3 Accessing the Analyzer Probe Port
The unit contains a 1/8” NPT port at the rear of the exhaust manifold. This port is located above
the condensate drain connection as shown in Figure 4-2. Prepare the port for the combustion
analyzer probe as follows:
Accessing Analyzer Probe Port
1.
Refer to Figure 4-2 and remove the 1/8” NPT plug from the rear of the exhaust manifold.
2.
If necessary, adjust the stop on the combustion analyzer probe so it will extend mid-way
into the flue gas flow. DO NOT install the probe at this time
Figure 4-2. Analyzer Probe Hole Location
IMPORTANT
For Innovation Water Heater installations in Korea, refer to the Natural Gas
Combustion Calibration procedures in Appendix J.
4.2.4 Connecting Multimeter to Flame Detector
During Combustion Calibration, the flame strength generated by the flame detector is measured
using a multimeter set to the µA scale. The flame detector is mounted on the intake manifold
flange as shown in Figure 4-3.
Proceed as follows to set up the multimeter to measure the flame strength current:
EXHAUST
MANIFOLD
VENT PROBE
PORT WITH
1/8” (3.18 mm)
NPT PLUG
CONDENSATE
DRAIN