Lennox Prodigy M2 Application Manual page 53

ECTO
No.
Name
Exh_Fan_
8.16
Control
8.17 Exh_Fan_Stg_1_ SP
8.18 Exh_Fan_Stg_2_ SP
Exh_Fan_SP_
8.19
for _SMK
Staged_SMK
8.20 Exh_Fan_SP
Stage_1_SP
8.21 Exh_Fan_Min.
Staged_ 1_DB
8.22 Exh_Fan_ ManRS
Stg_1_Off_Delay
Exh_Fan_PID_P
8.23
_Constant
Stg_2_SP
Exh_Fan_PID_
8.24
I_ Constant
Stg_2_DB
Exh_Fan_PID_D_Co
8.25
nstant
Stg_2_On_Delay
Default
Setting
Setting Required
Power Exhaust Setup
Select
0 depending on type
of exhaust fan.
50% Select 0−100%
100% Select 0−100%
Select
−0.3"w.c.
−0.5 – 0.5"w.c.
50% 0−100%
Select −0.5 –
−0.3"w.c.
0.5"w.c.
50% 0−100%
10% Select 0−100%
0.04 0−1.0"w.c.
10% Select 0−100%
100 Sec. 0−200 Sec.
Select
20 Counts
0−255Counts
"w.c. −0.5 –0.5"w.c.
Select
64 Counts
0−255 Counts
.25"w.c. 0−1.0"w.c.
Select
0 Counts
0−127 Counts
0 Sec. 0−254Sec.
Description
Single stage (controlled by A55_P265−2 output)
Mode Enable Input
0− Blower D_POS
1− Always A133_P149−1
2− OCP A133_P194−1
3− Blower A133_P194−1
4− Always A133_P194−7
5− Occupied A133_P194−7
6− Blower A133_P194−7
7− A133_P194−1 A133_P194−7
Two stage exhaust fan (controlled by A55_P265−2 and A133_P194−5
outputs)
Mode Enable Input 1
8− Blower D_POS
9− Always A133_P194−1
10− Occupied A133_P194−1
11− Blower A133_P194−1
12− Always A133_P194−7
13− Occupied A133_P194−7
14− Blower A133_P194−7
15− A133_P194−1 A133_P194−7
For option 9−15, Stage 2 will not turn on until ECTO 8.25 seconds after stage
1. Stage 1 won't turn off until ECTO 8.22 seconds after stage turns off.
VFD (PID) controlled exhaust fan with on/off cycling at minimum speed
(cycled by A55_P265−2 and speed controlled by VFD)
Mode Enable Analog Input
16 Always A133_P194−7
17− Occupied A133_P194−7
18− Blower A133_P194−7
19− A133_P194−1 A133_P194−7
Min. speed cycling: On at 10% over setpoint. Off after 30 seconds at minimum
speed. Minimum 30 seconds off.
VFD (PID) controlled exhaust fan (always on when enabled) (cycled by
A55_P265−2 and speed controlled by VFD)
Mode Enable Analog Input
20 Always A133_P194−7
21 Occupied A133_P194−7
22 Blower A133_P194−7
23 A133_P194−1 A133_P194−7
Always on at least minimum speed when enabled.
Speed setpoint for stage 1 exhaust fan when using a VFD for controlling ex-
haust fan in staged mode.
Speed setpoint for stage 2 exhaust fan when using a VFD for controlling ex-
haust fan in staged mode.
Exhaust fan smoke mode setpoint for PID option control
Staged setpoint for during smoke alarm.
Value used depends on smoke mode (ECTO 5.01)
Exhaust fan setpoint for PID option control
Stage 1 setpoint
Exhaust fan minimum speed
Staged 1 deadband.
Exhaust fan PID loop manual reset value
Stage 1 off−delay.
Exhaust fan PID loop proportional constant
Staged 2 setpoint.
Exhaust fan PID loop integral constant
Staged 2 deadband.
Exhaust fan PID loop derivative constant
Staged 2 on−delay.
Page 53
11. Third−Party Zoning
Use ECTO 8.20 and
8.21 for setpoint and
deadband.
Use ECTO 8.17 for
0−10VDC stage 1 output
if A133 (VAV) present.
Input 2
D_POS
Use ECTO 8.20−8.25 for
A133_P194−2
stage setpoints, dead-
A133_P194−2
bands and stage delays.
A133_P194−2
Use ECTO 8.17 for
A133_P194−7
0−10VDC stage 1 output.
A133_P194−7
Use ECTO 8.18 for
A133_P194−7
0−10VDC stage 2 output.
A133_P194−7
Use ECTO 8.19−8.25 for
setpoint and PID
constants.
Use ECTO 8.20−8.25 for
setpoint and PID
constants.
PRODIGYT M2 UNIT CONTROLLER