Raypak RAYTHERM 0133-4001 - Manual (Page 11)

MODELS 181-401 and 182-400
Step 1. Shut-off main electrical power switch to boiler.
Step 2. Turn heater manual switch located in upper control panel to the "OFF" position.
Step 3. Shut-off gas supply and water supply to the boiler.
Step 4. Mount drafthood on top of boiler as shown on page 8. Drafthood should be positioned with the vent
sensor located on the front right side as shown.
Step 5. Remove plastic plug from left side of boiler jacket and install plastic grommet provided.
Step 6. Route flue sensor wire harness through the grommet installed in Step 5.
Step 7. Remove door and locate wire from roll-out sensor to high limit with the male/female connector.
Step 8. Disconnect male/female connector and attach to the 2 wires from drafthood vent sensor harness.
11
BOILER BEFORE
DRAFTHOOD
INSTALLATION
BOILER AFTER
DRAFTHOOD
INSTALLATION
Fig# 9349
Fig# 9351