4
MODEL CGT450 (for boilers with tankless coil)
Optional water feeder connection. Connect feeder N to terminal 2.
Connect Feeder H to terminal 1. Connect feeder “FEED” or “W” to
terminal A. For water feeders with 2 leads, connect feeder neutral
to terminal 2 and feeder hot to terminal A.
Note:
Use of a solenoid valve or McDonnell & Miller Model 101A
water feeder may cause flooding and is not recommended for use
with this low water cut-off.
1
2
3
Connect “LOW LIMIT” terminals on CycleGard control to the ter-
minals on the tankless aquastat.
4
Connect “THERMOSTAT” terminals on CycleGard control to T-T
terminals on burner primary control.
5
6
Connect “BURNER” terminal on the CycleGard control to the
orange burner wire (120VAC) located under the oil burner trans-
former.
See next page for schematic wiring diagram and additional
SmartCycle description.
Connect input voltage (120 VAC, 60 HZ) to terminals 1 and 2.
Connect terminal 2 to burner circuit neutral. Connect terminal P2
to burner Circuit in series with other limit controls. Consult boiler
manufacturer instructions for proper terminal connections. Control
should be wired in series with and before other limit controls.
OPTIONAL ACTIVATION
