3
®
Supply voltage and electrical ratings
Supply Voltage:
EB720
220V (Europe) (min. 187V., max. 242V.)
240V (U.K.) (min. 204V. max. 264V.)
EB721
110V (min. 94V. max. 132V.)
Frequency:
50/60Hz
Power consumption:
Operating: 25 VA
Standby: 13 VA
Typical timings – Timing chart
Prepurge time:
1 sec., 15 sec., 30 sec., 60 sec., 2 min., 5 min., 10 min.,
15 min., (selectable by dipswitch on program module).
Factory set at 30 seconds.
Pilot ignition time (terminal X):
5
s
Pilot proving time (terminals 5 & 6):
10 s
Main flame ignition time:
Gas–pilot valve (terminal 5):
3s (intermittent operation selectable via dipswitch #2)
Oil–pilot valve (terminal 6):
5s
Post-purge:
10 s (becomes 20 s in case of flame or ignition failure
Flame failure response time:
Maximum 1 s for EP113
Note: Flame failure response time for the EP113 is 1.5 seconds when used with the ERT1 amplifier.
IP Rating:
00
CAUTION:
FLAME-MONITOR control must be installed
in a suitable electrical cabinet to ensure proper safety against
electrical hazards.
20
Order dust cover Part Number EC603 to upgrade IP rating
to 20.
LOAD RATINGS
TERMINAL
LOAD
MAX.
5-6
Pilot valve
250VA
X
Ignition transformer
360VA
7
Main valve
250VA
M
Blower motor or contactor
250VA
A
Alarm device
50VA
10-11
10-12
10-13
Modulator
125VA
Maximum simultaneous connected load 2000 VA
The maximum wiring distance from the terminals to their connected loads shall not exceed 164 feet (50 meters).
