Lennox CL50-RoofTop

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CLIMATIC™50 – IOM – Rooftops/ Aircoolair CL50-ROOFTOPS-IOM-1107-E
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CLIMATIC™50 Input/Output Mapping
‘Baltic’ & ‘Flexy 1’ ranges
BM50 – Main board
Digital Input Digital Output Analogue Input Analogue Output
J5.ID1
Gas Valve 1
Electric Heat
Antifreeze sensor
J12.NO1
Gas Valve 1
Electric Heat 1
Pump
J2.B1 Filters/Fan (0~5V) J4.Y1 Economizer (0~10V)
J5.ID2 Compressor 1 J12.NO2
Gas Valve 2
Electric Heat 2
J2.B2 Indoor, CO² (4~20mA) J4.Y2
H/W Coil Valve (0-10V)
Electric Heat. ‘Triac’ (0-
10V)
Modulating Gas (0-10V)
J5.ID3 Comp. 1, Low Pres. J12.NO3 J2.B3
Comp. 1, Defrost (NTC)
Outlet Cond. ‘OR’ 1 (NTC)
J4.Y3
C/W Coil Valve (0~10V)
Modul. Coil Fan 1 (PWM)
J5.ID4 Blower J13.NO4 Exhaust Fan J2.B4
Comp. 2, Defrost (NTC)
Outlet Cond. ‘OR’ 2 (NTC)
J4.Y4 Modul. Coil Fan 2 (PWM)
J5.ID5 Fire/Smoke Detector J13.NO5 Compressor 1 J3.B5 Supply (NTC)
J5.ID6
Coil Fan 1
Flow switch ‘OR’
J13.NO6 Reversing Valve 1 J3.B6 Return (NTC)
J5.ID7 ON/OFF J14.NO7 Blower J6.B7 Indoor (NTC)
J5.ID8 Reset
J15.NO8
J15.NC8
Coil Fan 1 J6.B8 Outside (NTC)
J7.ID9 Coil Fan 2 J16.NO9 Coil Fan 2
J7.ID10 Compressor 2 J16.NO10 Compressor 2
J7.ID11 Comp. 2, Low Pres. J16.NO11 Reversing Valve 2
J7.ID12
Gas Valve 2
Pump
J17.NO12
J17.NC12
By-p Recovery
By-p Recovery
Custom BM50-1
J8.ID13
Pres. Switch Recovery
Custom BM50-1
J18.NO13
J18.NC13
General Alarm
J8.ID14 Custom BM50-2
BE50 – Extension board
Digital Input Digital Output Analogue Input Analogue Output
J4.ID1
Compressor 3
Custom BE50-1
J5.NO1
J5.NC1
Low speed Blower
Custom BE50-1
J9.B1
Humidity, Indoor (4~20mA)
TCB1 (4~20 mA)
Custom BE50-1
J2.Y1
Humidifier
(0~10V)
J4.ID2
Comp. 3, Low Pres.
Custom BE50-2
J6.NO2
J6.NC2
Compressor 3
Custom BE50-2
J9.B2
Humidity, Outside
(4~20mA)
TCB2 (4~20 mA)
Custom BE50-2
J4.ID3
Compressor 4
Custom BE50-3
J7.NO3
J7.NC3
Compressor 4
Custom BE50-3
J10.B3
Comp. 3, Defrost (NTC)
Custom BE50-3
J4.ID4
Comp. 4, Low Pres.
Custom BE50-4
J8.NO4
J8.NC4
Low Ambiant
Custom BE50-4
J10.B4
Comp. 4, Defrost (NTC)
Custom BE50-4