Roberts Gorden DAT100 User Manual
Page 28
D
UAL
A
IR
®
H
EATING
AND
COOLING
U
NITS
I
NSTALLATION
O
PERATION
AND
S
ERVICE
M
ANUAL
22
Figure 12: Automatic Burner Control Box Sequence
Figure 13: Modureg Gas Valve
Burner sequence for Honeywell S4563 or S4565C
Flame Signal
Start Gas Valve
Ignition Spark
Supply 230v
CLOSE
DOWN
RUN
START
ts
Signals Output By Control
Required Incoming Signals
Flue Fan
Pressure Switch P
C
NO
NC
30 Sec. Purge*
*Purge time begins at pressure switch change over.
ts=Safety time
S4563C 3 seconds (alternate 5 seconds)
S4565C 5 seconds
If at any stage the flame fails, the control will go to "lockout". The red light will illuminate and the
control must be manually reset before further start attempt.
Inlet Pressure
Gas Outlet
Outlet Pressure
Plug for
Main Gas Valve
Gas Inlet
Plug for
Main Gas Valve
Max Pressure Adjustment
Min Pressure Adjustment
6.3mm AMP
Terminals for
Modulation
Modureg Modulating Regulator
Honeywell Gas Valve
Moving Shaft