Installation & Boiler Assembly - Weil-McLain LGB-5 Manual

LGB-5 CSD-1
A
Installation & boiler assembly
Place the boiler
Refer to the
Complete the following steps of Sections I through VI of the
Pre-installation
I
Boiler assembly (base, sections, pressure test and flue collector hood)
II
III Piping (boiler water or steam piping connections)
IV Jacket
Draft hood
V
VI Install boiler controls (refer to this Supplement for the controls supplied with CSD-1 boilers and
requirements for installing them)
Install pilot burners — NEW installation
1. Remove all burners from base box assembly.
a. Remove 3.95 mm natural gas main burner
orifices in manifold.
b. Install 2.40 mm propane gas main burner
orifices.
2. Install standing pilot on burner 2 from left. Install
electronic pilot on burner 5 from left. See Figures 1
and 2.
3. Remove pilot line components from pilot line elbow.
Replace elbow with tee supplied and reconnect pilot
line components. Install bushing, standing pilot
shutoff valve and brass tubing adapter on the other
side of the tee as shown in Figure 3 (page 6).
4. Attach pilot switch box to interior jacket panel. See
Figure 5 (page 12).
Figure 1
Pilot burner assembly
Locate electronic pilot burner
in 5th position from left, and
standing pilot burner in 2nd
position from left, as shown.
4
Series 2 Propane gas – Control Supplement
and read through entire manual. Follow all guidelines in Sections I through VI.
LGB Manual
Use pipe dope sparingly only on
male ends. Use pipe dope compatible
with propane gases. Do not
overtighten orifices. Failure to follow
these guidelines could result in severe
personal injury, death or substantial
property damage.
LGB Manual:
5. Connect thermocouple from standing pilot to switch
box. Cut 60" pilot tubing (provided) into 2 pieces to
make connections from pilot shutoff valve to pilot
switch box and from pilot switch box to standing
pilot. See Figure 3 (page 6).
6. Connect 125 °C ground wire (provided in control
carton) from pilot mounting bracket (per Figure 2)
to the ignition control module grounding screw on
the control panel after ignition control panel is
mounted per this Supplement.
7. Connect pilot spark and sense wires to the ignition
control (terminals
SPARK
ignition control panel is mounted per this
Supplement.
8. Reinstall burner assembly. Make sure pilot(s) are
located in the positions shown in Figure 1.
9. Attach:
a. 550-223-710 label at boiler operating instruction
label. Place so that this label reads first.
b. 550-223-796 label at rating label.
c. Wiring diagram on jacket front panel.
Part Number 550-110-682/0304
and ) after the
SENSE