57
Is
field
wiring
loose
or
fa
ulty?
Is
power
su
pply
betw
een
59
and
61
Hz?
N
O
YE
S
_ P
_ _ _
Blocking Error
E 4 5
Net frequency error
Correct
wiring
Is
p
ow
er
s
up
pl
y c
ircu
it
br
ea
ke
r
loose
or
fa
ulty?
Prov
ide
frequency
st
abilize
d
power
supp
ly
rated at 60 Hz +/-
2%
Replace
Control
M
od
ul
e
YES
YE
S
N
O
N
O
Replace
circuit
br
ea
ke
r
13 - TROUBLE SHOOTING
Fix the connection.
These error messages are displa
yed
when the control board detects fault in
blower motor system.
Check wire connector to blower
.
Check connector J9 on control board.
Is an
y connection loose?
YES
NO
Replace blower motor
. Does
this correct the problem?
YES
NO
Boiler is oper
ating
properly
Replace Control Module
Содержание VX-050
Страница 49: ...49 13 TROUBLE SHOOTING...
Страница 51: ...51 13 TROUBLE SHOOTING...
Страница 63: ...63 14 1 Connection Diagram 050 075 100 MBH 14 WIRING DIAGRAM...
Страница 64: ...64 14 2 Schematic Diagram of Ladder Form 050 075 100 MBH 14 WIRING DIAGRAM...
Страница 65: ...65 14 3 Connection Diagram 150 200 MBH 14 WIRING DIAGRAM...
Страница 66: ...66 14 4 Schematic Diagram of Ladder Form 150 200 MBH 14 WIRING DIAGRAM...
Страница 83: ...83 PRIMARY LOOP EQUIVALENT LENGTH CALCULATION PUMP SELECTION 50 75 100 MBH...
Страница 84: ...84 PRIMARY LOOP EQUIVALENT LENGTH CALCULATION PUMP SELECTION 50 75 100 MBH...
Страница 85: ...85 PRIMARY LOOP EQUIVALENT LENGTH CALCULATION PUMP SELECTION 150 200 MBH...
Страница 86: ...86 PRIMARY LOOP EQUIVALENT LENGTH CALCULATION PUMP SELECTION 150 200 MBH...
Страница 87: ...87 NOTES...
Страница 88: ...DUNKIRK BOILERS 2201 Dwyer Avenue Utica NY 13501 web site www ecrinternational com...