Cumberland VariFlame VF-16-ONG, Owner'S Manual

Page: 17 / 64

Chapter 2: Specifications
Table 2-1 Electrical and environment specifications (cont'd.)
Gas Valve control output (Stepper RX)
(use on White-Rodger valve only)
0-5Vdc, 1mA
Variflame Controller - Environment Specifications
Environment type Indoor use only
Pollution Degree
2
Installation Category or overvoltage
category
III
Protection against electric shock
classification
Class 1
Altitude
2000 Meters Max. (6561 Ft. Max)
Humidity (maximum relative) operating
-40 to 0°C (-40 to 32°F) Non condensing
0 to 10°C (32 to 50°F) Non condensing
10 to 30°C (50 to 86°F) 95 % (± 3 %) Non condensing
30 to 65°C (86 to 149°F) 95 % (± 3 %) Non condensing
Operating Temperature -40 to 65°C (-40 to 149°F)
Controller safety characteristics
The controller is Safety Class I according to IEC classification and has been designed to meet the stand-
ard requirements of ANSI Z21.20-2014 CAN/CSA-C22.2 No. 60730-2-5-14 (Automatic electrical controls
for household and similar use — Part 2-5: Particular requirements for automatic electrical burner control
systems, (IEC 60730-2-5:2000+A1:2004+A2:2008, MOD)). It is an Installation Category III intended for
operation from a normal single phase supply.
Timing specifications
Values
Parameter
Symbol Description
Unit Min
Typical
Max
Flame detector
response time
TFLDR
Period of time between the loss of
the sensed flame and the signal
indicating the absence of flame
ms
550
-
2000
Flame detector
self-checking
rate
RFLDSC
Frequency of the self-checking
function of the flame detector (in
number of operations per unit of
time)
Time
per
hour
1620 1800 1980
Ignition time
TIG
Period of time during which the
ignition device is energized
ms
14580 16200 17820
Main flame
establishing
period
TMFLESP
Period of time between the signal
to energize the main fuel flow
means and the signal indicating
presence of the main burner flame
ms
0
-
275
Pre-ignition
time
TPRIG
Period of the ignition time between
the signal to ignite and the signal to
energize the fuel flow means
ms
11430 12700 13970
PNEG-2091 VariFlame™ Heater 17