BRAHMA TC340 - Page 10

10/18 14698_r00
Options description
Type of lockout
No letter: non-volatile lockout. Standard mode
(19)
E: volatile lockout
Fire damper input (STF)
No letter: input not used. Standard mode
S1: input used for air damper control
S2:
input used for the management of 0 ÷ 10 V analogue signals (PLC applications)
(20)
Sxx: for future applications
Flame signal detection mode
No letter: double-electrode configuration (separate ignition electrode and flame detection electrode). Standard mode
(21)
M: single-electrode configuration (one electrode with both ignition and flame signal detection functions)
EV1 gas valve
No letter: gas valve with 220-240V power supply. Standard mode
C1: use of BRAHMA gas valve type VCM01* S [0/P] [0/P] 24VDC (valve with pressure sensor)
(22)
C2: use of BRAHMA gas valve type VCM01* [0/P] [0/P] 24VDC (valve without pressure sensor)
EV2 gas valve (in case of standard EV1 only)
No letter: not available. Standard mode
D: with flame signal on
X: at the end of the safety time
(23)
Wnn: during operation, after “nn” seconds from the end of the safety time
FAN hot air blower switch-on delay ( t
FA
, for TC340A and TC340P versions only )
(24)
RAnn: hot air blower switched on after “nn” seconds from the end of the safety time
FAN hot air blower switch-off delay ( t
FS
, for TC340A and TC340P versions only )
(25)
RSnn: hot air blower switched off after “nn” seconds from burner stop
Waiting time for modulation start ( t
RP1
for TC340A and TC340P; RP_STAB_delay for TC340P1 )
(26)
RPnn: delay of “nn” seconds from the end of the safety time before modulation start
SR heating circuit probe:
No letter: available (BRAHMA type ST08 or ST16 depending on option 18). Standard mode
(27)
NS: system not provided with heating circuit probe
Current modulator (with reference to TC340P and TC340P1 versions only. In TC340A version this is always available):
No letter: not available. Standard mode
(28)
MD: available
QuickStart function (in combination with “PT” function)
No letter: not available. Standard mode
(29)
QS:
QuickStart function available (see “OPERATING CYCLE VARIATIONS” paragraph)