1/2” Hoses for tap water supply and draining (Customer supplied)
2
-
-
-
Hose bands for 1/2” Hoses
2
-
-
-
nipple and nut pair for hose (shipped with ICC)
2
-
-
-
Table 3. Consumables
Item
Quantity
Effectivity
Part number
Manufacturer
Towels
NA
-
-
-
Table 4. Safety
Warning
ELECTROCUTION HAZARD!
Dangerous and or fatal voltages are present in the energized cabinet.
Follow LOTO steps as given in first section of this document to disable and verify safe voltage levels.
About this task
This procedure is required if Facility water chiller is stopped by any reason and need to run F-50 using emergency backup water.
Procedure
Route the 1/2” Hoses from customer tap water supply and draining to ICC.
Confirm that F50 Power is OFF. If not perform the following steps.
Turn off the “Drive Switch”.
Turn off the “Main Power Switch”.
Figure 1. F50 Power OFF
Open ICC Cover.
Open cap of tap water supply and drain ports per the following steps.
Confirm that valves for Tap water supply drain ports are closed.
Open cap of tap water supply and drain ports.
Figure 2. Open cap of tap water supply and drain ports
Connect nipples to tap water supply and drain ports per the following steps.
Find nipples and nuts which was shipped with ICC.
Make two pares of nipple and nut.
Fix the nipples to the two ports.
Figure 3. Fix the nipples to the two ports
Connect 1/2” Hoses to the nipples and fix them with hose bands.
Figure 4. Hose connection
Remove the lower small door, close ICC Front Cover, and confirm the hose routing.
Remove the lower small door by removing four nuts behind the ICC front cover.
Note: Keep the small door at site for restoration.
Close the ICC Front Cover and route the hoses so that hoses are stored inside of the ICC cover.
Figure 5. Hose routing
Set the valves for F-50 as follows.
Close the valves for in and out lines of the cryogen compressor.
Open Emergency tap water supply and drain valves.
Figure 6. Valve operation
Open Tap water valves and confirm there is no leakage.
Turn on F-50 power.
Turn on the “Main Power Switch”.
Turn on the “Drive Switch”.
Check the water flow by Magnet Monitor and adjust the water flow by rotating tap water valve. Water Flow spec is described in Pre-installation manual (Typically 7~9 L/min).