Lennox PRODIGY M2 User Manual

17. Electronic Configure To Order (ECTO) Control Parameters
Page 74
506457−01 05/10
Control Parameter
No. Name
DescriptionUnits
Control Value
Min. Default Max.
Block 4 Cooling Parameters
4.01 CoolDn_Delay
0
0
56
1792
255
8160
Counts
D:Sec.
Cool down tine delay. Time that Y2 is ignored during cool down period
(when first occupied + cool demand) This delay is only used if an
economizer is used and the outdoor air is suitable.
4.02 BL_On_Delay
0
0
0
0
15
60
Counts
B:Sec.
Blower on delay. The time before the blower turns on after a cooling
demand.
4.03 BL_Off_Delay
0
0
0
0
60
240
Counts
B:Sec.
Blower off delay. The time the blower stays on after the cooling de-
mand is lost.
4.04
Max_Frz_Stat_
Occurrences
1 3 5 Counts
Service output activation and compressor lockout. Maximum Freeze
Stat occurrences stored before service relay is energized and com-
pressor is locked−out. If value (4 or 5) is set, service output is dis-
abled and compressor is not locked−out. If value 5 is set, alarms are
not stored, but only displayed as they occur.
4.05
Cond_Fan_
ReStart_ Delay
0
0
3
6
8
16
Counts
A:Sec.
Low ambient anti−windmilling condenser fan delay. The time period
that the last operating fan is turned off before starting the next fan.
4.06
LAC_SP_
Temp_ 1
113
60
144
40
191
10
Counts
Y:DegF
Low ambient outdoor air limit temp. 1. Parameters 4.06 and 4.07 are
used to shed fans. See Operation section. Temperature setting must
be < or = 4.07.
4.07
LAC_SP_
Temp_2
113
60
120
55
191
10
Counts
Y:Deg.F
Low ambient outdoor air limit temp. 2. Parameters 4.06 and 4.07 are
used to shed fans. See Operation section. Temperature setting must
be > or = 4.06.
4.08
Compr_1_Low_
Temp_
Lockout
81
80
207
0
255
−31
Counts
Y:DegF
Low ambient lockout for compressor 1.
A value of 255 (−31°F) will disable low ambient lockout function.
Temperature setting must be < or = 4.09.
4.09
Compr_2_Low_
Temp_ Lockout
81
80
207
0
255
−31
Counts
Y:Deg.F
Low ambient lockout for compressor 2.
A value of 255 (−31F) will disable low ambient lockout function.
Temperature setting must be > or = 4.08 AND < or = 4.10.
4.10
Compr_3_Low_
Temp_
Lockout
81
80
207
0
255
−31
Counts
Y:DegF
Low ambient lockout for compressor 3.
A value of 255(−31F) will disable low ambient lockout function.
Temperature setting must be > or = 4.09 AND < or = 4.11.
4.11
Compr_4_Low_
Temp_
Lockout
81
80
207
0
255
−31
Counts
Y:DegF
Low ambient lockout for compressor 4.
A value of 255 (−31F) will disable low ambient lockout function.
Temperature setting must be > or = 4.10.
4.12
Compr_Min_
Off_Delay
30
60
150
300
255
510
Counts
A:Sec.
Compressor minimum off delay. Used on 1 PH units.
4.13
Compr_Min_
Run_Time
30
60
120
240
255
510
Counts
A:Sec.
Compressor minimum run time. Used on 3 PH units.
4.14
Max_HP_
Occurrences
1 3 8 Counts
Maximum High Pressure occurrences that are stored before control
locks off compressor stage and energizes the service output. If max
value is set, lockout and service output features are disabled.
4.15
Max_LP_
Occurrences
1 3 8 Counts
Maximum Low Pressure occurrences that are stored before control
locks off compressor stage and energizes the service relay. If max
value is set, lockout and service output features are disabled.
4.16
Cond_Fan_
Delay
0
0
1
2
120
240
Counts
A:Sec.
Condenser fan delay. Used only on 6 fan units.
4.17 Stg_2_Latch 0 0 1 Option
Stage 2 latch option. Used in zone sensor applications.
0: Latch Disabled
1: Latch Enabled
4.18 Stg_3_Latch 0 0 1 Option
Stage 3 latch option. Used in zone sensor applications.
0: Latch Disabled
1: Latch Enabled
4.19 Stg_4_Latch 0 0 1 Option
Stage 4 latch option. Used in zone sensor applications.
0: Latch Disabled
1: Latch Enabled
4.20
Stg_2_StgUp_
Timer
0
0
57
912
225
3600
Counts
F:Sec
Stage 2 stage up timer. The maximum time that cooling stage 1 runs
before calling cooling stage 2. Used in zone sensor applications.
Disabled if set to 0.
4.21
Stg_3_StgUp_
Timer
0
0
57
912
225
3600
Counts
F:Sec
Stage 3 stage up timer. The maximum time that cooling stage 2 runs
before calling cooling stage 3. Used in zone sensor applications.
Disabled if set to 0.
4.22
Stg_4_StgUp_
Timer
0
0
57
912
225
3600
Counts
F:Sec
Stage 4 stage up timer. The maximum time that cooling stage 3 runs
before calling cooling stage 4. Used in zone sensor applications.
Disabled if set to 0.
4.23 StgDn_Timer
0
0
57
912
225
3600
Counts
F:Sec
Time delay before a lower stage turns off following a higher stage
termination. Used in zone sensor applications.
table continued on next page

Lennox PRODIGY M2 Specifications

General

Brand	Lennox
Model	PRODIGY M2
Category	Controller
Language	English