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SPECIFICATIONS
ELECTRICAL RATINGS:
Input Voltage: 25 VAC 50/60 Hz
Current: 0.2 amp
Relay Contact Ratings:
Valve Relay: 1.5 amp @ 25 VAC 50/60 Hz 0.6 pf
Ignitor Relay: 6.0 amp @ 120 VAC 50/60 Hz-
resistive
Flame Current Requirements:
Minimum current to insure flame detection: 2 µa DC*
Maximum current for non-detection: 0.2 µa DC*
Maximum allowable leakage resistance: 100 M ohms
* Measured with a DC microammeter in the flame
probe lead
OPERATING TEMPERATURE RANGE:
-40° to 175°F (-40° to 80°C)
HUMIDITY RANGE:
To 95% relative humidity (non-condensing)
MOUNTING:
Surface mount or 4" x 4" junction box
Timing Specs (see table below for variable timings):
maximum
Recycle Time: Immediate, or equal to prepurge time
on models with prepurge option.
Gases Approved: Natural, Manufactured, Mixed,
Liquid Petroleum, and LP Gas Air Mixtures are all
approved for use.
60 Hz 50 Hz
Flame Establishing Time
Standard 4.0 sec 4.8 sec
Optional 7.0 sec 8.4 sec
Flame failure Response time: 0.8 sec 0.96 sec
-1 thru -9 0 17 4 1 0 4 0 21
-10 thur -19 0 45 4 1 0 4 0 49
-20 thru -29 30 17 4 1 0 4 0 51
-30 thru -39 30 45 4 1 0 4 0 79
-40 thru -49 30 17 4 1 2 12 90 293
-50 thru -59 30 45 4 1 2 12 90 377
-60thru -69 0 17 4 1 2 12 60 203
-70 thru -79 0 45 4 1 2 12 60 287
-101 thru -109 0 17 7 4 0 7 0 24
-110 thru -119 0 45 7 4 0 7 0 52
-120 thru -129 30 17 7 4 0 7 0 54
-130 thru -139 30 45 7 4 0 7 0 82
-140 thru -149 30 17 7 4 2 21 90 302
-150 thru -159 30 45 7 4 2 21 90 386
-160 thru -169 0 17 7 4 2 21 60 212
-170 thru -179 0 45 7 4 2 21 60 296
-201 thru -209 0 17 4 1 0 4 0 21
-210 thru -219 0 45 4 1 0 4 0 49
-220 thru -229 30 17 4 1 0 4 0 51
-230 thru -239 30 45 4 1 0 4 0 79
-240 thru -249 30 17 4 1 2 12 90 293
-250 thru -259 30 45 4 1 2 12 90 377
-260 thru -269 0 17 4 1 2 12 60 203
-270 thru -279 0 45 4 1 2 12 60 287
-301 thru -309 0 17 7 4 0 7 0 24
-310 thru -319 0 45 7 4 0 7 0 52
-320 thru -329 30 17 7 4 0 7 0 54
-330 thru -339 30 45 7 4 0 7 0 82
-340 thru -349 30 17 7 4 2 21 90 302
-350 thru -359 30 45 7 4 2 21 90 386
-360 thru -369 0 17 7 4 2 21 60 212
-370 thru -379 0 45 7 4 2 21 60 296
TIMING SPECIFICATIONS
(all times in seconds unles otherwise noted)
Ignitor
Warmup
Period Dash Number Pre-purge Retries
Valve
Sequence
Period Interpurge
Lockout
Time
Trial for
Ignition
Period
Ignition
Activation
Period
NOTE: All times are in nominal seconds at 60 Hz. Multiply all timings by 120% at 50 Hz.
Reset time is 2.3 seconds max. at power-up.
On controls with retry option, ignitor warm-up time is increased by 10 seconds on retry