Weil-McLain 382-200-300 User Manual
GV BOILERGV BOILER
GV BOILER
GV BOILERGV BOILER
Front Section Repair Kit
Part Number 382-200-300 for Series 1 & 2
Part Number 382-200-300 for Series 3 & 4
Replacement InstructionsReplacement Instructions
Replacement Instructions
Replacement InstructionsReplacement Instructions
The following terms are used in these instructions to bring attention to presence of hazards of various risk levels, or to important
information concerning the life of the product.
WARNING
Indicates presence of hazard which
can cause severe personal injury ,
death or substantial property damage.
CAUTION
Indicates presence of hazard which will
or can cause minor personal injury or
property damage.
WARNING
Contents of Kit:
Ignitor Replacement Kit
Studs, nuts, washers, adapters, flange gaskets pump/
return water tubing
Square cut seals, silicone sealant
Instructions
Instructions for blower motor/replacement
1. Remove jacket top and front panels. Lay aside boiler
insulation.
2. Close isolation valves between boiler and system.
Drain boiler.
3. Remove:
All wiring connectors from control tray .
Control tray (if applicable).
External system gas and water piping from boiler.
Thermostat wiring.
External vent piping.
External combustion air piping, if used.
V ent condensate drain hose.
Blower assembly and burner . See “Blow er Assembly
or Burner Replacement Instructions, ” part number
550-141-608, packed with kit.
High limit control and well.
External relief valve piping.
External air vent piping (if used).
Remaining outside and interior jacket panels.
Block temperature limit switch.
Circulator(s).
4. Tilt block assembly onto back section to rest on 2
short pieces of 2 x 4’s.
Failure to follo w items below can cause severe personal injury, death or substantial property damage:
These instructions are for use by a qualified installer/service technician. F ollow all instructions in proper order.
Shut off main gas valve and disconnect electricity to boiler .
Wait until boiler is cooled down before proceeding with replacement.
7. Remove base rail assembly and tie rods from block
assembly.
8. Remove front section from block and remove
silicone sealant from mating intermediate section.
9. Clean new front section and mating intermediate
section of any oil and dirt - silicone sealant will not
adhere properly .
10. Clean square cut sealing surfaces on new and
mating sections.
CAUTION
11. Apply bead of silicone sealant around perimeter of
intermediate section, NOT on inside of waterway holes
(see Figure 1).
Do not use any cleaner containing
petroleum-based distillate (oil). Square
cut seal failure will occur .
Silicone
Sealant
Do Not
Apply
Silicone
Sealant
Here
Do Not
Apply
Silicone
Sealant
Here
CAUTION
5. Remove drain valve and all other remaining piping on
front section.
6. Remove vent ell and clean silicone sealant from vent
ell (Series 1 & 2 only).
Section block is heavy - care must be
taken in moving to avoid personal
injury.
Figure 1
12. Insert new square cut seals.
13. Align front section and lay it on top of intermediate
section.
Part number 550-141-589/0501
Front Section Repair Kit Part Number 382-200-300 — Replacement Instructions
Installation — assembly
14. Insert draw rods. Mak e sure all sections are aligned
when drawing together , tighten tie rod nuts ev enly
(35
+ 5 ft. lbs. torque).
15. Re-install base rail assembly to bottom of block
assembly . Use a level to assure rails are parallel.
16. Apply silicone sealant around vent ell and install,
securing with screw (Series 1 & 2 only) (check that
condensate drain hose is securely fastened).
17. Install studs for blower housing mounting bracket and
block temperature limit switch.
18. Reconnect drain valve and piping on front section. See
Boiler Manual.
a. Do not solder water tubing until Step 19 and all
piping components are doped and tightened,
alignment is critical.
b . When re-soldering water tubing, wet elbows to
prevent pipe dope shrinkage.
19. Install circulator, assuring proper alignment of pump(s)
to all circulator(s) flanges.
20. After all piping components are connected, then solder
water tubing.
21. Pressure test block assembly and water tubing for
leaks as described in Boiler Manual. Repair , if found.
22. Replace blower assemb ly and burner. See “Blo wer
Assembly or Burner Replacement Instructions, ”
part number 550-141-608, packed with kit.
23. Tilt block assembly back onto base rails.
24. Re-install:
Block temperature limit switch.
Jacket left and interior panels.
External relief valve piping.
External air vent piping.
High limit control and well.
External vent piping.
External combustion air piping, if used.
V ent condensate drain hose.
External system gas and water piping to boiler.
Control tray (if applicable).
All wiring connectors to control tray .
Thermostat wiring.
25. Fill boiler as described in Boiler Manual.
26. T urn on electric and gas to boiler. Chec k boiler
normal sequence of operation and follow checkout
procedure in Boiler Manual.
27. Check for flue gas leakage around new section
using mirror. Leaks will cause fog on mirror . Repair
any leaks with silicone sealant and recheck.
28. Replace insulation and jacket right, back, front and
top panels.
Weil-McLain
500 Blaine Street
Michigan City, IN 46360-2388
http://www.weil-mclain.com
Part number 550-141-589/0501
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