TEST THE OUTPUTS
Primary Pump (Prim P1)
If a primary pump is connected to the Prim P1 terminal (11), make sure that power to the terminal block is off and install a jumper between the Power L and Prim P1 terminals (10 and 11) (FIG. 37). When power is applied to the Power N and Power L terminals (9 and 10) (FIG. 37), the primary pump should start. If the pump does not turn on, check the wiring between the terminal block and pump and refer to any installation or troubleshooting information supplied with the pump. If the pump operates properly, disconnect the power and remove the jumper.
9 | 1 | 0 | 11 | |
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| FIG. 37 | |
Combustion Air or Alarm (C.A. / Alarm)
bleshooting information supplied with the boiler. (The boiler may have a flow switch that prevents firing until the primary pump (P1) or boiler pump is running.) If the boiler operates properly, disconnect the power and remove the jumper.
If a boiler pump is connected to the Relay 1 terminals (14 and 15) (FIG. 39), make sure that power to the terminal block is off and install a jumper between the terminals. When power is applied to the circuit, the boiler pump should start. If the pump does not turn on, check the wiring between the terminal block and pump and refer to any installation or troubleshooting information supplied with the pump. If the pump operates properly, disconnect the power and remove the jumper. Repeat the above procedure for Relay 2 to Relay 9.
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| FIG. 39 | |
If a combustion air damper or an alarm is connected to the C.A. / Alarm terminals (12 and 13), make sure power to the damper or alarm circuit is off and install a jumper between terminals (12 and 13) (FIG. 38). When the circuit is powered up, the combustion air damper should open or the alarm should activate. If the damper or the alarm fails to operate, check the wiring between the terminals and the damper or the alarm and refer to any installation or troubleshooting information supplied with these devices. If the damper or the alarm operates properly, disconnect the power and remove the jumper.
C.A./
Alarm
Relay 9 / DHW
If a DHW pump or DHW valve is connected to the Relay 9 / DHW contact (30 and 31) (FIG. 40), make sure the power to the pump or valve circuit is off and install a jumper between those terminals. When the DHW circuit is powered up, the DHW pump should turn on or the DHW valve should open completely. If the DHW pump or valve fails to operate, check the wiring between the terminals and the pump or valve and refer to any installation or troubleshooting information sup- plied with these devices. If the DHW pump or valve oper- ates correctly, disconnect the power and remove the jumper.
FIG. 38
Relay 1 to Relay 9
If a boiler stage is connected to the Relay 1 terminals (14 and 15) (FIG. 39), make sure power to the boiler circuit is off, and install a jumper between the terminals. When the boiler circuit is powered up, the boiler should fire. If the boiler does not turn on, refer to any installation or trou-
FIG. 40
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