Weil-McLain EGH-105 Control Supplement page 20

VI
Wiring — steam
Figure 10
Control assembly — steam, pumped return
When using a tankless heater,
knockout the opening in the
inner panel. Locate the controls
to allow room for the tankless
heater piping. The tankless
heater temperature control (not
shown) installs in the heater
tapping.
pumped return
23
Install strain relief bushings
wherever electrical wiring
passes through jacket.
677-01-p
7
19
20 18
21
22
25
24
6
16
10
M V
/ P V
M V
P V
M
A R
A L
M
A R
A L
V 2
2 4
D )
G N
V (
2 4
E
N S
S E
K
A R
S P
3
1
8
4
25
15
15
5
12
11
26
13
27
13a
Vent connections — Connect
14
with ¼" tubing and run vent
line outside building per code
requirements.
9
17