TM 10-4510-206-14
TO 4OP1-6-2-1
11A
Motor Contactor Reset
O v e r c u r r e n t r e s e t d e v i c e s t h a t b r e a k t he
(Model PBU-100 Serial
c i r c u i t t o e a c h o f t h e b l o w e r m o t o r t h r e e-
Numbers PBU100442 and
phase windings, i f m o t o r i n p u t s a r e
s u b s e q u e n t )
overloaded.
12
Flame Safeguard Control
L o c k o u t s w i t c h f o r f l a m e s a f e g u a r d c o n t r o l
R e s e t
system. When pressed,
r e s e t s e l e c t r i c a l
c i r c u i t t o i n i t i a t e i g n i t i o n o f f l a m e i n w a t e r
heater combustion chamber.
13
Buzzer
Sounds when Flame Safeguard Control Reset
needs resetting.
14
H o u r M e t er
I n d i c a t e s c u m u l a t i v e t i m e b u r n e r h a s b e e n in
o p e r a t i o n t o a l l o w m a i n t e n a n c e a t s p e c i f ic
t i m e i n t e r v a l s.
15
Shower Nozzle Control
Controls water flow from shower nozzles.
Valve
16
M i x i n g V a l ve
C o n t r o l s m i x i n g v a l v e w a t e r o u t l et
Temperature Control
temperature.
17
M i x i n g V a l v e O u t l et
Indicates temperature of water going to shower
Temperature Gage
stands.
18
Water Pump Motor Switch Controls power to water pump.
19
Low Water Probe and
Shuts off burner and sounds alarm when water
R e l ay
l e v e l i n h e a t e r i s b e l o w m i n i m u m s p e c i f i ed
l e v e l ( a p p r o x i m a t e l y t w o g a l l o n s ).
20
R e l i e f V a l ve
Valve opens automatically when pressure in
w a t e r h e a t e r e x c e e d s 6 0 p s i t o r e l i e v e e x c e ss
pressure.
21
Blower Motor Overload
Overload protection to protect motor. (Located
Reset
o n f a r s i d e o f m o t o r ) .
2-4 Change 7
