Full Product Manual

21
WIRING DIAGRAM
Note: For proper operation of appliance, the
wires from the switch, electronic module,
and valve must be attached exactly as shown:
MAIN BURNER
VCS-ECOMODODS
VCS-ECOMOD
MAIN VALVE
BATTERY
PACK
PILOT
FRO M “I” TERMINAL
ON MAIN MODU LE
TO “S” TERMIN AL
ON MAIN MODU LE
ON/ OFF
(BR OWN)
HI/ LO
(BLUE)
IPI /CONT PILOT
(YE LLOW)
LEA RN
(BL ACK)
“ - ”
“ + ”
FRO M PILOT
THE RMOCOUPLE
TO PILOT
IGN ITOR
VARIA BLE MAIN OUT
MIA N VALVE
STE P MOTOR
INL ET
MAI N VALVE
SAF ETY
OPE RATER
PIL OT
OUT
BATT
POW ER SWI TCHES
V S I
MOTOR
COM M
Figure 24 - Wiring Diagram
SPECIFICATIONS
Model (S,B)VFA18NG
Gas Type
Input Max.
Input Min.
Manifold Pressure
Inlet Pressure Max.
Inlet Pressure Min.*
Minimum Firebox Size
Natural Gas
Natural Gas
Propane/LP
Propane/LP
34,000 BTU/Hr
34,000 BTU/Hr 39,000 BTU/Hr
39,000 BTU/Hr
22,000 BTU/Hr 22,000 BTU/Hr 22,000 BTU/Hr 22,500 BTU/Hr
3.5” W.C.
3.5” W.C.10.0” W.C.
10.0” W.C.
10.5” W.C. 10.5” W.C.
7.0” W.C.
7.0” W.C.11.0” W.C.
11.0” W.C.
14.0” W.C. 14.0” W.C.
18” H X 22” W X 12” D
18” H X 28” W X 15” D
(S,B)VFA18LP (S,B)VFA24NG (S,B)VFA24LP
ATTENTION!
The following listed items are possible warning codes from your burner system:
One beep per second
I
gnition Safety (Protection for Ignition system)
R
ecycle Safety: (Protection for Unstable Pilot)
D
escription of Fault - Pilot is not successfully ignited
w
ithin the trial period.
A
ction - The control will operate the gas valve to the
“
OFF” position.
H
ow to Clear - Cycle “ON/OFF” switch to “OFF”
position
Two beeps per second
A
utomatic Recycle
D
escription of Fault - Pilot is proven and lost 3-times
w
ithin 2-minutes without multiple “ON/OFF”
c
ommands.
•
Automatic Recycle (VCS-ECOMODODS) - Pilot is
e
stablished, then lost.
•
Manual Recycle – Ignition sequence is initiated
6
-times within 2-minutes.
A
ction - The control will operate the gas valve to the
OFF position
How to Clear - After 5-minutes has elapsed (5-minute
i
nternal timer expires), the module must see the
m
ode/switch in the “OFF” position after that time.
O
nce the module see’s the mode/switch in the “OFF”
p
osition after the 5-minutes has elapsed, it will stop
b
eeping.
•
Once the beeping has stopped, it will accept normal
o
peration including another “ON” command from the
user.
4 beeps per second (constant beeping)
S
ensor Safety (Protection for Flame sensor)
D
escription of Fault - Pilot flame sensor temperature
i
s too high when ignition sequence
i
s initiated.(unit has not cooled down before re-starting).
A
ction - The control will operate the gas valve to the
“
OFF” position.
H
ow to Clear - Cycle the ON/OFF switch to the “OFF”
position.
ATTENTION!
The following listed items are possible warning codes from your burner system:
4 beeps every two
-
seconds
T
hermal Safety
(Overheat Protection)
D
escription of Fault - Internal temperature has exceeded
1
70 deg. F.
A
ction - The module will operate the gas valve to the
“
OFF” position.
H
ow to Clear – The module’s internal temperature must
c
ool to below 160 deg. F and cycle the “ON/OFF” switch
to
the
“OFF
”
position.