43
Servicing should only be performed by a Qualified Service Agent
CCB CoNNECTIoN IDENTIFICATIoN (CoNT)
J7 Socket - Temperature Probe/ECo (immersion probe)
pin #
desCription
1
ECo (energy cut out) 24 VAC out (red wire)
2
Temperature Sensor (thermistor) +5.0 VdC (black wire)
3
Temperature Sensor (thermistor) -5.0 VdC (black wire)
4
ECo (energy cut out) 24 VAC return (red wire)
J9 Port - Communication Port - Not Used
J10 Socket - Not Used
J11 Port - Communication Port - Not Used
J13 socket - blower speed Control
pin #
desCription
1
not used
2
not used
3
To 5 pin PWM wiring socket on Combustion Blower, see Figure 7 on page 11
4
not used
5
not used
6
not used
7
To 5 pin PWM wiring socket on Combustion Blower, see Figure 7 on page 11
8
To 5 pin PWM wiring socket on Combustion Blower, see Figure 7 on page 11
J15 Socket - Not Used
J16 Port - Communication Port - UIM Display (User Interface Module)
