Weil-McLain GOLD SGO Manual page 15

SGO
GOLD OIL-FIRED NATURAL DRAFT STEAM BOILER — SERIES 3 —
Install boiler — non-packaged boilers only
Figure 6
Control tapping
locations (for use with
Table 2, page 14)
S1 A1 A2
E1
E2
U3
S2
B1
Front Section
A3 R U1
Back Section
Part number 550-141-829/1211
SERVICE TECHNICIAN ONLY — read and follow completely.
Figure 7
Steam boiler controls with float-type LWCO (optional tankless heater control)
L
SGO3-5 tankless
heater control
location
P
SGO6-9 tankless
heater control
location
Float-type low
water cutoff
H
Figure 8
Steam boiler controls with probe-type LWCO (optional tankless heater control)
U2
Siphon
SGO-3 to SGO-5
tankless heater
control
B2
SGO-6 to SGO-9
tankless heater
control
Boiler Manual
(continued)
Steam pressure
control
Steam pressure
gauge
Siphon
Gauge glass
and cocks
Drain valve
Steam pressure
Steam pressure
Probe-type
low water
Gauge glass
and cocks
Drain
15