User Guide
9
End heater control logic
Start cooler control logic
12: If (X<=>F) (P89)
if ‘cooler on’ threshold
1: 1 -- X Loc [ Temp_1 ]
is exceeded
2: 3 >=
3: 27.5 F
4: 30 Then Do
then
13: Z=F (P30)
put a ‘1’ into cooler
1: 1 F
control location
2: 0 Exponent of 10
3: 15 -- Z Loc [ Cool_1 ]
14: End (P95)
end ‘then do’
15: If (X<=>F) (P89)
if cooler is on (cooler
1: 15 -- X Loc [ Cool_1 ]
control location <>0)
2: 2 <>
3: 0 F
4: 30 Then Do
then
16: If (X<=>F) (P89)
check lower threshold to
1: 1 -- X Loc [ Temp_1 ]
see if cooler should be
2: 4 <
turned off
3: 24.5 F
4: 30 Then Do
17: Z=F (P30)
if cooler should be turned off
1: 0 F
put a ‘0’ into cooler control
2: 0 Exponent of 1
location
3: 15 -- Z Loc [ Cool_1 ]
18: End (P95)
end ‘then do’
19: Else (P94)
else, if cooler is off
20: Z=F (P30)
put a ‘0’ into cooler
1: 0 F
control location
2: 0 Exponent of 10
3: 15 -- Z Loc [ Cool_1 ]
21: End (P95)
end ‘then do/else’
End cooler control logic
Start fan control logic based on heater/cooler
22: If (X<=>F) (P89)
if heater is on
1: 10 -- X Loc [ Heat_1 ]
2: 2 <>
3: 0 F
4: 11 Set Flag 1 High
set flag 1
23: If (X<=>F) (P89)
if cooler is on
1: 15 -- X Loc [ Cool_1 ]
2: 2 <>
3: 0 F
4: 11 Set Flag 1 High
set flag 1
24: If Flag/Port (P91)
if flag 1 is set
1: 11 Do if Flag 1 is High
2: 30 Then Do
then
25: Z=F (P30)
put a ‘1’ into fan control
1: 1 F
location
