Buderus Logano G115/3 WS Installation And Service Instructions Manual page 51

N L
Neutral Hot
Fuse
Service
Switch
L1
L2
C2
B2
C1
B1
WMO-1*)
Carlin EZ-1 Wiring Schematic -
The Carlin EZ-1 Burner is equipped with the 70200 Series Primary Control with pre-purge.
Using a L7248C Aquastat –
1) Connect room thermostat or end switch wiring to the T & T terminals of the L7248C Aquastat.
Note: DO NOT CONNECT ROOM THERMOSTAT TO THE T – T TERMINALS OF THE CARLIN 70200 Control!
2) Connect 120 Vac power source to L1 on the L7248C aquastat.
3) Connect neutral source to L2 on the aquastat.
4) Connect red wire from wire harness to L1 on the L7248C (the red/white wire on the Carlin 70200 Control) .
5) Connect black wire from wire harness to B1 on the L7248C (the black wire on the Carlin 70200 Control) .
6) Connect white wire from wire harness to B2 on the L7248C ( the white wire on the Carlin 70200 Control) .
7) Connect green wire to ground screw on the L7248C and to the ground connection on the Carlin Burner .
8) Install a jumper wire on the T T terminals of the 70200 Control.
Fig. 49 Circuit diagram 2
Logano G115 WS US/CA – 6 720 813 418 (2019/09)
Carlin EZ-1 HP Burner Wiring with L7248C Aquastat
Thermostat,
aquastat, or end
switch,
T
T
Honeywell
Operating
Aquastat
(L7248C1006)
Ground
Red wire
White wire
Black wire
CCT 70200 Series Primary Control
L2
L1 IN
L1 OUT
LIMIT
MOTOR
VALVE
IGNITION
Ground
Green wire
12
Circuit diagrams
Field
installed
jumper
T
T
F
F
BV
CAD
Cell Eye
BV
A
A
Quick
connect
plug
Low Voltage
Field installed
Field wiring
Factory wired
51