62
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
A Cabinet
RN 6-8 and
10 tons
1
2
3
B Cabinet
RN 9 and
11-15 tons
2
3
4
C Cabinet
RN 16-25
and 30 tons
2
3
4
5
6
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