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Amana PGB58B Manual Do Utilizador

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17
Air Circulation Blower
Gas Valve
Ignitor
Pressure Switch
(N.O. Contacts)
Combustion Blower
Thermostat
ON
OFF
ON
OFF
ON
OFF
ON
OFF
OPEN
CLOSED
CLOSED
OPEN
Seconds       0   34 38                        110            0                      90
                                                                                           
T
h
er
m
o
sta
t O
N
Ga
s
 Va
lv
e
 Op
e
n
s
Ig
n
it
o
r O
F
F
Air
 Bl
o
w
e
r O
N
T
h
er
m
o
sta
t O
F
F
C
o
m
b
us
ti
on
 P
ro
d
uc
t
Pu
rg
e E
n
d
s
.
Air
 Bl
o
w
e
r O
F
F
C
o
m
b
us
ti
on
B
lo
w
e
r OF
F
Figure 12
Timing Chart for Normal Robertshaw Operation (PGB & PGC)
Figure 13B
PGC Timing Chart for Normal Cooling Operation
On
Off
On
Off
On
Off
Seconds  0       30                            0            30
                     (approx.)                               (approx.)
Indoor Fan
Outdoor Fan
     and
Compressor
Thermostat
Figure 13A
PGB Timing Chart for Normal Cooling Operation
On
Off
On
Off
On
Off
Seconds    0         15                           0            45
                        (approx.)                               (approx.)
Indoor Fan
Outdoor Fan
     and
Compressor
Thermostat