Subtask 38-12-00-865-058-B
 B. Make sure that this(these) circuit breaker(s) is(are) closed: -------------------------------------------------------------------------------PANEL SERVICE IDENT. LOCATION -------------------------------------------------------------------------------2000VU LAV FWD - HOT WATER 1MB F02 2001VU LAVATORY AFT HOT WATER 2MB B02 2001VU LAVATORY AFT HOT WATER 9MB B03
 **ON A/C 106-149, 211-299,
 Subtask 38-12-00-865-058-C
 B. Make sure that this(these) circuit breaker(s) is(are) closed: -------------------------------------------------------------------------------PANEL SERVICE IDENT. LOCATION -------------------------------------------------------------------------------2000VU LAVATORY FWD - HOT WATER 1MB C02 2001VU LAVATORY AFT HOT WATER 2MB C02 2001VU LAVATORY AFT HOT WATER 9MB C04

R **ON A/C 151-199, 401-499,
 Subtask 38-12-00-865-058
 B. Make sure that this(these) circuit breaker(s) is(are) closed: -------------------------------------------------------------------------------PANEL SERVICE IDENT. LOCATION -------------------------------------------------------------------------------2000VU LAV FWD - HOT WATER 1MB F02 2001VU LAVATORY AFT HOT WATER D 2MB B02 2001VU LAVATORY AFT HOT WATER E 9MB B03
 **ON A/C 201-210,
 Subtask 38-12-00-865-058-A
 B. Make sure that this(these) circuit breaker(s) is(are) closed:
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 38-12-00Page 508 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1

R R R R R R  -------------------------------------------------------------------------------PANEL SERVICE IDENT. LOCATION -------------------------------------------------------------------------------2000VU LAV FWD - HOT WATER A 1MB F02 2001VU LAVATORY AFT HOT WATER D 2MB B02 2001VU LAVATORY AFT HOT WATER E 9MB B03
 **ON A/C 301-399,
 Subtask 38-12-00-865-058-D
 B. Make sure that this(these) circuit breaker(s) is(are) closed: -------------------------------------------------------------------------------PANEL SERVICE IDENT. LOCATION -------------------------------------------------------------------------------2000VU LAV FWD & MID - HOT WATER 1MB F02 2000VU LAV FWD & MID - HOT WATER 10MB F03 2001VU LAVATORY AFT HOT WATER 2MB B02 2001VU LAVATORY AFT HOT WATER 9MB B03
 **ON A/C ALL
 Subtask 38-12-00-010-052
 C. Get Access
 (1) Open the lavatory door.
 (2) Open the sanitary cabinet door.
 (3) Make sure that the water heater switch is in the OFF position.
 (4) Make sure that the shutoff valve in the potable water system is in the OPEN position.
 Subtask 38-12-00-680-050
 D. Drain the potable water system (Ref. TASK 12-24-38-680-001).
 Subtask 38-12-00-480-051
 E. Connect the CART - SERVICING, WATER, POTABLE to the FILL port at the service panel but do not fill at this time.

 4. Procedure
_________

 Subtask 38-12-00-710-055-A
 A. Operational Test of the Water Heater
 -------------------------------------------------------------------------------
ACTION  RESULT
 -------------------------------------------------------------------------------
1. In the lavatory: - put the water heater switch to the ON position.  In the lavatory:- the water heater control light doesnot come on. - the water heater does not operate.
R R R  NOTE : The control light on the____ water heater will only go off when: - the water heater is switched off, - the water heater is in operation and there is an over-temperature, - the quantity transmitter gives a low water level signal.
R R  2. At the service panel 2023VU: - fill the water system with 30 l (7.93 USgal) of water. In the potable water system: 
NOTE : You must fill the system____ with minimum 10% water quantity to do this test.
 - pressurize the potable water system (Ref. TASK 38-10-00-614-001). - the potable water system ispressurized.
 3. In the lavatory: - operate the water faucet.  In the lavatory:- water flows into the washbasin. - the water heater control light comes on. - the water heater operates.
 4. In the water heater system:

 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
- the thermo switch controls the operation of the water heater.
 5. In the lavatory: - turn the mixing timer control-lever to the WARM (red) position.
 - after 25 minutes operate the water faucet. 
R R R  6. In the lavatory: - operate the water faucet until 1.0 l (0.26 USgal) of water flows into the washbasin.
R R  - after 8 minutes reheat make sure that the mixing timer control-lever is in the WARM (red) position. - operate the water faucet.
　
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