12
PN 240012875 REV. D [03/15/2022]
75F, 100F, 125F W/INDIRECT ZONE CIRCULATORS & DHW TANK W/T-STAT - WIRING DIA.
7
5
F,
1
0
0
F
&
1
2
5
F
W
/
INDIRECT
ZONE
CIRCULATORS
&
DH
W
TA
NK
W
/
T
-S
TAT
,
A
RGO
UZ
3
ZONE
CONTROL
W
IRING
DIAGRAM
Reference z
one control manufacturer
instructions for details on setting priorit
y if necessary
.
If adding an indirect tank with
Thermostat
to a
Heating Only Boiler
, change P03 from 08 to 04.
See Section 9, P
ar
ameter Settings in Boiler Installation,
Oper
ation & Maintenance Manual for details.
ZO
NE
1
LINE
24V
V
ac
L
C
R
115
Vac
N
L
1
N
115
C
O
M
V
ac
ZR
ZC
N
L
3
N
L
2
115 Va
c
N
L
1
L
N
ZO
N
E C
IR
C
UL
A
TO
R
X
X
X
X
X
3
2
1
X
NEC Class 2 Low Voltage
ZON
E 3
ZO
N
E 2
ZON
E 1
W
R
NEC
Clas
s
2
Lo
w
V
olt
ag
e
T
T
C
TH
ER
M
O
ST
AT
S
ZO
NE V
A
LVES
ZO
N
E 3
ZONE
2
4
3
2
1
4
3
2
1
4
3
2
1
NEC
C
las
s 2
L
ow Voltag
e (
24Vac)
W
R
T
T
C
W
R
T
T
C
PRI
PUMP
ZC/ZR
DI
GITA
L LC
D USE
R DI
SP
LAY
Fus
e
ZO
N
E M
O
D
UL
E
TO EXPANS
ION
Tr
an
sf
orm
er
PTC
12A
250V
115 Vac FIELD
SUPP
LIE
D
POWER PER N
EC
A
N
D
L
O
C
A
L C
O
D
ES
Z2
Z3
ZONE T-STATS
1
2
3
4
5
6
7
8
91
0
VAC
24
M2
M
2 t
er
m
in
al
s
trip
G
*
on boiler
Domes
tic
Hot
Water Tan
k
UZ3
Summary of Contents for 100F
Page 33: ...33 PN 240012875 REV D 03 15 2022 MODEL 75 100 HEAT ONLY 75 100 HEAT ONLY WIRING DIAGRAM ...
Page 34: ...34 PN 240012875 REV D 03 15 2022 MODEL 125 HEAT ONLY 125 HEAT ONLY WIRING DIAGRAM ...
Page 35: ...35 PN 240012875 REV D 03 15 2022 MODEL 165 HEAT ONLY 165 HEAT ONLY WIRING DIAGRAM ...
Page 36: ...36 PN 240012875 REV D 03 15 2022 115 COMBI WIRING DIAGRAM MODEL 115 COMBI ...
Page 37: ...37 PN 240012875 REV D 03 15 2022 MODEL 150 COMBI 150 COMBI WIRING DIAGRAM ...
Page 38: ...38 PN 240012875 REV D 03 15 2022 MODEL 205 COMBI 205 COMBI WIRING DIAGRAM ...
Page 44: ...44 PN 240012875 REV D 03 15 2022 LOW WATER CUTOFF LOW WATER CUTOFF DETAIL NO NO YES ...
Page 49: ...49 PN 240012875 REV D 03 15 2022 3 FAULT SOLUTION SECTIONS ...
