AAON RN Series, Installation, Operation & Maintanance Manual, Page: 62 / 116

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2. BelowLLT - "Below Low Limit Time".
Range = 10sec-1800sec, and the default
is 10sec. If ‘LLTset’ temperature is not
reached within ‘BelowLLT’ after
reaching full output, the status relay will
operate.
3. Stages - Number of stages. Range = 1-6,
and the default is 1. The number of
stages can be determined using Table 23.
Table 23 - Stages of Electric Preheat
Tonnages Feature 14B Stages
A Cabinet
RN 6-8 and
10 tons
G = 10 kW
1
J = 20 kW
K = 30 kW
2
L = 40 kW
M = 50 kW
3
N = 60 kW
B Cabinet
RN 9 and
11-15 tons
J = 20 kW 1
K = 30 kW
2
L = 40 kW
M = 50 kW
3
N = 60 kW
P = 70 kW
4
Q = 80 kW
C Cabinet
RN 16-25
and 30 tons
J = 20 kW 1
K = 30 kW
2
L = 40 kW
M = 50 kW
3
N = 60 kW
P = 70 kW
4
Q = 80 kW
R = 90 kW
5
S = 100 kW
T = 110 kW
6
U = 120 kW
4. LATset - Leaving air temperature
setpoint. Range = 35°F-80°F, and the
default is 50°F.
5.
OATset - Outside air temperature
setpoint. Range = 35°F-60°F, and the
default is 35°F.
6.
LLTset - “Low Limit Time”
temperature setpoint. Range = 35°F-
50°F, and the default is 35°F. If
‘LLTSet’ temperature is not reached
within ‘BelowLLT’ time after reaching
full output, the status relay will operate.
7.
RESETset - “Reset Setpoint”
temperature. Range = 35°F-80°F, and
the default is 50°F.
8.
ManSTG - Temporary manual override
a specified stage testing, 0=normal
operation, 1-6 to override corresponding
stages. Range = 0-6, and the default is 0.
The manual override may be used for
unit testing of each stage. Stage 1 will be
at 50% to test SCR and stages 2-6 will
be full capacity. A manual override will