Lennox PRODIGY M2 User Manual

11. Third−Party Zoning
Page 53
PRODIGYT M2 UNIT CONTROLLER
ECTO
No.
DescriptionSetting Required
Default
Setting
Name
Power Exhaust Setup
8.16
Exh_Fan_
Control
0
Select
depending on type
of exhaust fan.
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 Input 2
8− Blower D_POS D_POS
9− Always A133_P194−1 A133_P194−2
10− Occupied A133_P194−1 A133_P194−2
11− Blower A133_P194−1 A133_P194−2
12− Always A133_P194−7 A133_P194−7
13− Occupied A133_P194−7 A133_P194−7
14− Blower A133_P194−7 A133_P194−7
15− A133_P194−1 A133_P194−7 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.
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.
Use ECTO 8.20−8.25 for
stage setpoints, dead-
bands and stage delays.
Use ECTO 8.17 for
0−10VDC stage 1 output.
Use ECTO 8.18 for
0−10VDC stage 2 output.
Use ECTO 8.19−8.25 for
setpoint and PID
constants.
Use ECTO 8.20−8.25 for
setpoint and PID
constants.
8.17 Exh_Fan_Stg_1_ SP 50% Select 0−100%
Speed setpoint for stage 1 exhaust fan when using a VFD for controlling ex-
haust fan in staged mode.
8.18 Exh_Fan_Stg_2_ SP 100% Select 0−100%
Speed setpoint for stage 2 exhaust fan when using a VFD for controlling ex-
haust fan in staged mode.
8.19
Exh_Fan_SP_
for _SMK
−0.3"w.c.
Select
−0.5 – 0.5"w.c.
Exhaust fan smoke mode setpoint for PID option control
Staged_SMK 50% 0−100%
Staged setpoint for during smoke alarm.
Value used depends on smoke mode (ECTO 5.01)
8.20 Exh_Fan_SP −0.3"w.c.
Select −0.5 –
0.5"w.c.
Exhaust fan setpoint for PID option control
Stage_1_SP 50% 0−100% Stage 1 setpoint
8.21 Exh_Fan_Min. 10% Select 0−100% Exhaust fan minimum speed
Staged_ 1_DB 0.04 0−1.0"w.c. Staged 1 deadband.
8.22 Exh_Fan_ ManRS 10% Select 0−100% Exhaust fan PID loop manual reset value
Stg_1_Off_Delay 100 Sec. 0−200 Sec. Stage 1 off−delay.
8.23
Exh_Fan_PID_P
_Constant
20 Counts
Select
0−255Counts
Exhaust fan PID loop proportional constant
Stg_2_SP "w.c. −0.5 –0.5"w.c. Staged 2 setpoint.
8.24
Exh_Fan_PID_
I_ Constant
64 Counts
Select
0−255 Counts
Exhaust fan PID loop integral constant
Stg_2_DB .25"w.c. 0−1.0"w.c. Staged 2 deadband.
8.25
Exh_Fan_PID_D_Co
nstant
0 Counts
Select
0−127 Counts
Exhaust fan PID loop derivative constant
Stg_2_On_Delay 0 Sec. 0−254Sec. Staged 2 on−delay.

Lennox PRODIGY M2 Specifications

General

Brand	Lennox
Model	PRODIGY M2
Category	Controller
Language	English