HEM Dual Burner Unit (with Modulation Burner)
COM
NO
NC
L
LLL
E E
E
E
N
N N N
1
1
3
3
4
4
5
5
6
6
7
7
10
10
11
11
12
12
13
13
14
14
15
15
16
16
8
8
9
9
7
8
7
8
23 1
COM
NO
NC
COM
NO
NC
C NO NC
23 1
LIVE
NEUTRAL
EARTH
B
r
0
.
5
Br 0.5
B
l
u
0
.
5
B
l
u
0
.
5
B
l
u
0
.
5
Y
e
l
0
.5
O
r
0
.
5
B
r
0
.
5
B
l
u
0
.5
B
l
u
0
.5
W
h
0
.
5
B
lk
0
.
5
O
r
0
.5
B
lu
0
.5
B
r
0
.5
B
r
0
.5
Blu 0.5
Br 0.5
Wh 0.5
Yel 0.5
Yel 0.5
Wh 0.5
Br 0.5
B
r
0
.5
B
lu
0
.5
W
h
0
.
5
B
l
k
0
.
5
O
r
0
.5
B
lu
0
.
5
B
r
0
.5
O
r
0
.5
B
r
0
.5
Br 0.5
Yel 0.5
Yel 0.5
A
Yel 0.5
A
B B
C
C
D
E
E
F
GG
G
HH
I
B
lu
0
.
5
I
J
K
L
M
L
M
Q
Q
COMPONENT LIST Powrmatic part #
Q. Modulating Driver Head
Model Specic
142403611
143100661
146522174
Model specic
Model specic
143000816
143000526
143070274
143100603
143100563
Model specic
TBC
142423003
1 4 2466403
A. Ignition Sequence Controller
B. GTLHR309 Limit Stat
C. Neon Indicator
D. Air Pressure Switch LGW3 A2
E. Main Gas Valve
F. Exhaust / Combustion Fan
G. 230v Relay
H. Fuse Holder 3.15A
I. Internal Lockout Reset Button
J. Hylec Terminal Block 3 Way
K. Terminal Block
L. Ignition Electrode
M. Rectication Probe
N. GM44 Modulating Driver
O.
P.
Br 0.5
Blu 0.5
Blu 0.5
Br 0.5
Blu 0.5
Br 0.5
Wiring Legend
Modulating Signal 0-10v
Modulating Signal 0v
Lockout 1 Indicator 230v Output
Lockout 1 Reset - Neutral Switch
Lockout 2 Indicator 230v Output
Lockout 2 Reset - Neutral Switch
Connections made by Control board Assembler
Connections made by Final Assembler
Connections made by Installer
Main Fan Proving Pressure Switch
(Supplied by Others)
Br 0.5
N
1
2
3
5
6
61
62
63
64
65
66
ON
1
2
O
r
0
.5
B
r
0
.5
B
l
u
0
.5
O
r
0
.
5
Or 0.5
Yel 0.5
Or 0.5
Yel 0.5
Or 0.5
External Controls
Connections
1
2
3
4
5
6
7
8
9
1
0
1
1
1
2
1
6
1
7
1
8
1
9
1
3
1
4
1
5
J
5
/
C
O
N
6
J
T
2
J
6
/
C
O
N
5
J
T
1
1
1
1
Blu 0.5
1
2
3
4
5
6
7
8
9
1
0
1
1
1
2
1
6
1
7
1
8
1
9
1
3
1
4
1
5
J
5
/ C
O
N
6
J
T
2
J
6
/
C
O
N
5
J
T
1
1
1
1
1 2
3 4
1
= Brahma
= Pactrol
COM
NO
NC
SLAVE CONTROLLER
MASTER CONTROLLER
COM
NO
NC
G
G
Bl u 0.5
Or 0.5
Blu 0.5
Or 0.5
Or 0.5 Or 0.5
Or 0.5
Or 0.5
Gr/Yel 0.5
Gr/Yel 0.5
NOTES
Mains Input: 230v 50Hz 1ph Supply.
For input power refer to Installation
instructions.
Warning: High voltages present at
the ignition electrode when the unit
attem tps to light.