Lennox BAC020SNM User Manual

CLIMATIC 50 – ROOFTOP – VERSION 23
BALTIC R410A-IOM-0708-E Page 98
CUSTOMIZED INPUT/OUTPUT
Function
On the BM.50 card and with the optional expansion board BE.50, it is possible to customize some input / output for remote
control of the unit. So it is possible to customize
 5 digital outputs NC or NO
 6 digitals inputs
 4 analogical inputs (4-20mA or Lennox NTC temperature probe)
Description
The following functions can be configured:
Digital Outputs Nc or No – Dry Contacts
The following items can be used for each output:
[Not Used.] ........................ No contact
[Filter Al.] ........................... Filter fault
[Blower Al.] ........................Blowing fan fault
[Comp. Al.] ........................ Compressor fault
[Gas Al] ............................. Gas fault
[ElecH. Al] ......................... Electrical heater fault
[Frost. Al] ...........................Alarm, freezing risk
[Smoke. Al.] ....................... Smoke detector alarm
[Heat. Mode] ...................... Heating mode
[Humidif.] ...........................Humidifier control
[Z:A] ..................................Unit operating Zone A
[Z:B] ..................................Unit operating Zone B
[Z:C] ..................................Unit operating Zone C
[Uno] ................................. Unit operating Zone Unoccupied
[Bms] ................................ Unit operating Zone BMS
[Free] ................................ Free for BMS acting
[Exhaust 1] ........................ Drive exhaust fan n°1
[Exhaust 2] ........................ Drive exhaust fan n°2
[Exhaust 3] ........................ Drive exhaust fan n°3
Digital Inputs 24V AC or DC
The following items can be used for each input:
[Not Used]..........................No contact
[Sw Unoc.].......................... Active Unoccupied Mode
[Dis. Cp/AH] ....................... Stop of all compressors and auxiliary heating
[Dis. Comp. ] ......................Stop of all compressors
[Dis. 50%Cp] ...................... Immediate stop of 50% of the compressors
[Dis. AuxH.]........................Stop of supplementary heating
[Sw Dis.Cool]...................... Cancellation of cooling mode
[Sw Dis.Heat] .....................Cancellation of heating mode
[State Humi] ....................... Humidifier fault input
[0% F.A. ]........................... Active 0% fresh air
[10% F.A.].......................... Add 10% fresh air
[20% F.A. ] .........................Add 20% fresh air
[30% F.A.].......................... Add 30% fresh air
[40% F.A.].......................... Add 40% fresh air
[50% F.A.].......................... Add 50% fresh air
[100% F.A.] ........................Force 100% fresh air
[Low Speed] ....................... Force low speed ventilation
[Z:A] ..................................Active Unit operating in Zone A
[Z:B] ..................................Active Unit operating in Zone B
[Z:C] ..................................Active Unit operating in Zone C
[Uno] ................................. Active Unit operating in Zone Unoccupied
[Bms] ................................ Active Unit operating in Zone BMS
[Free]................................. Free for BMS system information.
Example BE50-
J5.NO1
Dry Contact
Free Contact
Example BE50-
J4.ID1
24V
Customer

Lennox BAC020SNM Specifications

General

Brand	Lennox
Model	BAC020SNM
Category	Air Conditioner
Language	English