Buderus Logano G115 WS US/CA Installation And Service Instructions Manual page 52

12
Circuit diagrams
N L
Neutral Hot
Fuse
Service
Switch
L1
L2
C2
B2
C1
B1
Becket NX Wiring Schematic -
With a L7248C1006 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 R7184B OR 7505B PRIMARY CONTROL!
2) Connect 120 Vac power source to L1 on the L7248C aquastat.
3) Connect neutral source to L2 on the L7248C aquastat.
4) Connect the black wire in wire harness to B1 of the L7248C (the black wire on the R7184B or 7505B Primary Control).
5) Connect the white wire in wire harness to B2 of the L7248C (the white wire on the R7184B or 7505B Primary Control).
6) Connect the green wire in the wire harness to ground screw on the L7248C (the ground connection on the R7184B or 7505B Prima ry Control).
7) Install a jumper wire on the T T terminals of the R7184B or 7505B Primary Control.
*) Canadian installations: Install in series with start wire to the burner.
Fig. 50 Circuit diagram 3
52
Becket NX Burner Wiring
Thermostat,
aquastat, or end
switch,
T
T
Honeywell
Operating
Aquastat
(L7248C1006)
Ground
WMO-1*
Logano G115 WS US/CA - Technical specifications are subject to change without prior notice.
Quick
connect plug
Black wire
White wire
Green wire
Burner Junction Box
Honeywell R7184B series Primary Control
or Beckett Genisys 7505B Primary Control
Ground
Red
Black
White
Violet
Blue
Orange
Yellow
CAD
Yellow
Cell
Low Voltage – Field
installed
Field wiring
Factory wired
A
A
T
T
Field installed
jumper