Owner manual

ManualsBrandsBell & Gossett ManualsAir equipmentHS 234E Series 9C Thermostatic Module

INSTRUCTION MANUAL

HS-234

REVISION E

Hoffman Specialty

Series 8C and 9C

Thermostatic Module

• Before using product, read and understand instructions.

• Save these instructions for future reference.

• All work must be performed by qualified personnel trained in the proper application, installation,

and maintenance of steam systems, in accordance with all applicable codes and ordinances.

• To prevent serious burns, wear heat resistant gloves when opening and closing

steam valves, or handling hot equipment.

• To prevent serious burns, the internal pressure of the trap must be 0 psi (0 bar) before servicing.

ailure to follow this caution will cause personal injury.

W ARNING

C AU TIO N

CAUTION

INSTALLATION –

For Hoffman Specialty Series 8C or 9C with old style disc type elements

1. Remove the trap cover (A) from the body (B).

Summary of content (4 pages)

PAGE 1
INSTRUCTION MANUAL HS-234 REVISION E Hoffman Specialty® Series 8C and 9C Thermostatic Module ! CAUTION TIO N C AU NING W AR • Before using product, read and understand instructions. • Save these instructions for future reference. • All work must be performed by qualified personnel trained in the proper application, installation, and maintenance of steam systems, in accordance with all applicable codes and ordinances.
PAGE 2
A 2a. Unscrew the thermostatic element (C) from the cover (A). D b. Discard the old thermostatic element and shroud (C), and washer (D). C E 3. Using a 3/4” (19mm) socket wrench, remove and discard the seat (E) from the trap body (B). 4. Using a scraper, remove any scale or debris inside the trap body (B) especially around the seat area (F). Do not scratch seating surface area. B B F G 5. Screw the new thermostatic module (G) into the threaded port (H) inside the trap body. 6.
PAGE 3
7a. Reinstall and tighten the trap cover (A) on the body (B). A b. Slowly open the steam supply valve. B c. Check for leaks and tighten connections, if necessary. For Hoffman Specialty Series 8C and 9C with Thermostatic Module A 1. Remove the trap cover (A) from the body (B). B C 2a. Remove the thermostatic element (C) from the trap body (B). B b. Discard the old thermostatic element (C). B 3.
PAGE 4
. Screw the new thermostatic module (E) into the threaded port (F) inside the trap body. E F 5. Using a spanner wrench (G) tighten the module to approximately 12 lbf•ft (16 N•m) G Note: spanner wrenches are available from Hoffman Specialty. Specify part no. 600209. 6a. Reinstall and tighten the trap cover (A) on the body (B). A b. Slowly open the steam supply valve. c. Check for leaks and tighten connections, if necessary. MAINTENANCE SCHEDULE: • Replace thermostatic module every 4 years.