Watts Aerco INN 1060N - Start;Stop Levels

Innovation - Edge [i] Installation, Operation, Maintenance Manual
CHAPTER 3 – OPERATION
OMM-0143_A • GF-216 • 9/6/2019 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 54 of 170
3.5 START/STOP LEVELS
The ignition position (start) and stop levels are the Air/Fuel Valve positions (% open) that start
and stop the unit, based on load. These levels are Factory preset as follows:
Fuel
Model
Stop Level
Ignition Position
Natural Gas
All
20%
35%
Normally, these settings should not require adjustment.
Note that the energy input is not linearly related to the Air/Fuel Valve position. Refer to Table 3-
5 for the relationship between the energy input and Air/Fuel Valve position for units running on
natural gas.
TABLE 3-5. Relationship Between Air/Fuel Valve Position and Energy Input
Valve
Position
( % )
INN 600N
INN 800N
INN 1060N
INN 1350N
BTU/Hr
kWh
BTU/Hr
kWh
BTU/Hr
kWh
BTU/Hr
kWh
20
50,000
14.65
50,000
14.65
50,000
14.65
50,000
14.65
30
93,000
27.26
99,000
29.01
108,000
31.65
124,000
36.34
40
161,000
47.18
210,000
61.54
222,000
65.06
260,000
76.20
50
272,000
79.72
344,000
100.82
372,000
109.02
445,000
130.42
60
367,000
107.56
478,000
140.09
563,000
165.00
637,000
186.69
70
446,000
130.71
586,000
171.74
686,000
201.05
845,000
247.65
80
500,000
146.54
660,000
193.43
823,000
241.20
1,050,000
307.72
90
591,000
173.20
768,000
225.08
981,000
287.50
1,259,000
368.98
100
625,000
183.17
800,000
234.46
1,060,000
310.66
1,350,000
395.65