Hydrolevel CG470 Series User Manual
Page 2
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 boil-
er manufacturer instructions for proper ter-
minal connections. Control should be wired
in series with and before other limit controls.
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.
OPTIONAL ACTIVATION
Connect “SMTCYC” terminal on the
CycleGard control to the orange burner wire
(120VAC) located under the primary. See
detail illustration at the right.
See SmartCycle description on next page.
1
2
3
4
Detail of SmartCycle Connection
Model CG470
2
WIRING – Model CG470