SECTION 24: T
ROUBLESHOOTING
139 of 154
Burner (continued)
24.4 Temperature Controls
If temperat
u
re control problems occ
u
r and are not remidied in the tro
u
bleshooting proced
u
re, refer to the
tro
u
ble shooting table for the
u
nit specific temperat
u
re control amplifier.
For
u
nits
w
ith the Maxitrol
®
series 14 temperat
u
re control amplifier, refer to the Field Ser
v
ice Check List for
Series A1014 Amplifiers. Series 14 Amplifiers are s
u
pplied on
u
nits eq
u
ipped
w
ith Basic and SDC style
remote panels.
For
u
nits
w
ith the Maxitrol
®
series 44 temperat
u
re control amplifier, refer to the Field Ser
v
ice Check List for
Series A 1044 Amplifiers. Series 44 Amplifiers are s
u
pplied on
u
nits eq
u
ipped
w
ith DTC remote panels.
If problems persist after performing the tro
u
bleshooting proced
u
re and the temperat
u
re control amplifier
tro
u
bleshooting proced
u
re contract the factory.
PROBLEM
POSSIBLE CAUSE
SOLUTION
No main flame
Man
u
al sh
u
t off
v
al
v
e closed
Open man
u
al sh
u
t off
v
al
v
e
Safety Sh
u
t Off Val
v
e not operating. Is there
positi
v
e gas press
u
re do
w
nstream of SSOV?
Check
w
iring from b
u
rner control to SSOV
Verify inlet gas press
u
re
Replace SSOV
Minim
u
m gas s
u
pply press
u
re
Verify minim
u
m gas s
u
pply press
u
re as per data
plate is a
v
ailable
B
u
rner openings obstr
u
cted
Remo
v
e obstr
u
ction
Clean b
u
rner orifices holes
Improper b
u
rner lo
w
er fire adj
u
stment on
mod
u
lating
v
al
v
e
Adj
u
st lo
w
fire as per the rele
v
ant Maxitrol tempera-
t
u
re control instr
u
ctions
Summary of Contents for 4044
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Page 73: ...SECTION15 VIBRATION ISOLATION 65 of 154 FIGURE 52 Curb Mounted Roof Curb Roof Curb...
Page 109: ...SECTION19 ELECTRICAL 101 of 154...
Page 110: ...4000 SERIES INSTALLATION OPERATION AND SERVICE MANUAL 102 of 154...
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Page 112: ...4000 SERIES INSTALLATION OPERATION AND SERVICE MANUAL 104 of 154...
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Page 119: ...SECTION19 ELECTRICAL 111 of 154...
Page 121: ...SECTION 20 DIRECT FIRED BURNER 113 of 154 FIGURE 71 Midco HMA 2A Burner...
Page 122: ...4000 SERIES INSTALLATION OPERATION AND SERVICE MANUAL 114 of 154...
Page 125: ...SECTION 20 DIRECT FIRED BURNER 117 of 154...
Page 126: ...4000 SERIES INSTALLATION OPERATION AND SERVICE MANUAL 118 of 154...
Page 127: ...SECTION 20 DIRECT FIRED BURNER 119 of 154 20 3 Honeywell UV Flame Detector...
Page 160: ...4000 SERIES INSTALLATION OPERATION AND SERVICE MANUAL 152 of 154...
Page 161: ...SECTION 27 THE RAPID 4000 SERIES WARRANTY 153 of 154...
Page 162: ...4000 SERIES INSTALLATION OPERATION AND SERVICE MANUAL 154 of 154...