Main Board Pcb - Morco 24CPM User Instructions And Installation Manual

MAIN BOARD PCB
Main board has different parameters such as fan speeds according to the boiler types
(24 kW,
30
kW,
Natural gas, Propane,).
A
main board can be converted to another type by
installing an appropriate (Boiler Control Card) to the main board.
Main Board - Technical and Functional Specifications
General
Power supply range (standard): 195-253 VAC
!Power supply frequency: 50Hz
Working temperature range:
0
oc-
60
oc
Fusing: 4A
Inputs
Water pressure switch: 0,5 - 2,5 V de (0,0 - 4,0 bar)
DHW flow turbine Max. 14 1/min
CH flow NTC sensor:
10 k0hm@25 °C
CH return NTC sensor: 10 k0hm@25 °C
Flue gas NTC sensor: 10 k0hm@25
oc
Thermal cut-off:
160
oc
Room thermostat: 24VDC
Ionization current: min. 11-lA
Outputs
Gas valve: 230 VAC
Igniter:
230 VAC
Pump: 230 VAC
Fan: 230 VAC
3 way electrical valve 230 VAC
12