Lennox CL50-RoofTop

68
CLIMATIC™50 – IOM – Rooftops/ Aircoolair CL50-ROOFTOPS-IOM-1107-E
68
‘Flexy II’ roof-top range
BM50 – Main board
Digital Input Digital Output Analogue Input Analogue Output
J5.ID1
Gas, Valve 1
Electric Heater
H/W Coil, Antifreeze
sensor
J12.NO1
Gas, Valve 1
Electric Heater, 1
Pump
J2.B1 Filters/Fan (0~5V) J4.Y1
Economizer
(0~10V)
C/W Coil, Valve
(0~10V)
J5.ID2
Circuit 1,
Compressors
J12.NO2
Gas, Valve 2
Electric Heater, 2
J2.B2 Indoor, CO² (4~20mA) J4.Y2
H/W Coil, Valve (0-
10V)
Electric Heater,
‘Triac’ (0-10V)
Gas (0-10V)
J5.ID3
Circuit 1, Low
Pressure
J12.NO3 Exhaust Fan J2.B3
Circuit 1, Defrost (NTC)
Circuit 1, Pressure -
1~29b (4-20mA)
Water Condenser,
Circuit 1, Outlet (NTC)
J4.Y3
Circuit 1, Coil Fan
(PWM)
J5.ID4 Blower J13.NO4
Circuit 1,
Compressor 1
J2.B4
Circuit 2, Defrost (NTC)
Circuit 2, Pressure -
1~29b (4-20mA)
Water Condenser,
Circuit 2, Outlet (NTC)
J4.Y4
Circuit 2, Coil Fan
(PWM)
J5.ID5
Fire/Smoke
Detector
J13.NO5
Circuit 1,
Compressor 2
J3.B5 Supply (NTC)
J5.ID6
Circuit 1, Coil Fan
Water Condenser,
Flow switch
J13.NO6
Circuit 1,
Reversing Valve
J3.B6 Return or Mixing (NTC)
J5.ID7 ON/OFF J14.NO7 Blower J6.B7 Indoor (NTC)
J5.ID8 Reset
J15.NO8
J15.NC8
Circuit 1, Coil Fan J6.B8 Outside (NTC)
J7.ID9 Circuit 2, Coil Fan J16.NO9
Circuit 2,
Compressor 1
J7.ID10
Circuit 2,
Compressors
J16.NO10
Circuit 2,
Compressor 2
J7.ID11
Circuit 2, Low
Pressure
J16.NO11
Circuit 2,
Reversing Valve
J7.ID12
Gas, Valve 2
Pump
J17.NO12
J17.NC12
Circuit 2, Coil Fan
J8.ID13 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
Blower HE,
Alarm
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)
C/W Coil, Valve
(0~10V)
Blower HE, Modulation
(0~10V)
J4.ID2
Custom
BE50-2
J6.NO2
J6.NC2
Custom
BE50-2
J9.B2
Humidity, Outside
(4~20mA)
TCB2 (4~20 mA)
Custom BE50-2
J4.ID3
Custom
BE50-3
J7.NO3
J7.NC3
Custom
BE50-3
J10.B3 Custom BE50-3
J4.ID4
Custom
BE50-4
J8.NO4
J8.NC4
Custom
BE50-4
J10.B4 Custom BE50-4