Owner's Manual
Multi-Zone Gas Monitors 
74    P/N: 3015-5074 Rev 11 
audible alarm........................... 4, 26, 33, 35, 36 
B 
Bacharach  
service center.......................................... 3, 9 
website .....................................................16 
battery .........................................................48 
replacement schedule................................48 
shelf life ....................................................48 
baud rate......................................................28 
Belden cable #8762 ......................................17 
bench................................................38, 45, 61 
temp fault..................................................38 
blockage ......................................................37 
box temp fault...............................................38 
building management system .... 5, 8, 15, 17, 18, 
21, 55 
bypassing a zone..........................................19 
C 
cable shield ..................................................22 
cable ties......................................................13 
CAL factor ............................................... 40-44 
calibration ............................. 18, 20, 41, 42, 45 
factor ................................................... 40-44 
factory, voiding ..........................................41 
procedure .................................................41 
screen ................................................. 40-43 
cautions and warnings ....................................1 
CE Mark .........................................................8 
cfg file extension ...........................................20 
charcoal filter ............................ 4, 11, 37, 47-49 
chassis temperature......................................44 
circuit board ......................................15, 22, 23 
circuit breaker........................................... 2, 14 
clean air .......................................................10 
cleaning .........................................................3 
clearing purge line .................................. 19, 25 
clipping fault ........................................... 37, 59 
clock battery .................................................48 
COM1 and COM2 .........................................19 
communications parameters..........................19 
communications protocol.................................5 
components ............................................. 4, 13 
concentration................................................44 
condensation ................................................12 
conduit ................................................... 13, 23 
config fault ............................................. 38, 59 
connections ........................................ 2, 15, 22 
exhaust line...............................................10 
purge line..................................................10 
relay .........................................................23 
sample lines  ..............................................10 
contaminants .....................................11, 37, 47 
crimp-on ring terminals..................................13 
critical faults ........................................... 37, 38 
current loop  ........................................... 22, 38 
board ..........................................................4 
fault ..........................................................22 
isolator......................................................22 
outputs ............................................... 21, 22 
cycle time .....................................................32 
D 
damage..............................1, 3, 6, 9, 14, 21, 47 
preventing during shipment ........................13 
shipping ......................................................9 
data display screen ............................25, 29, 37 
data point .....................................................40 
date .............. iii, 8, 34, 36, 39, 40, 48, 57, 60, 62 
DB25-to-DB9 adapter....................................20 
detection limit ...............................................27 
detector connector ........................................13 
diagnostic screen......................... 20, 38, 44, 45 
digipot .................................................... 29, 37 
dimensions .....................................................8 
display screen ................................................4 
distance parameter .........................................5 
downstream port ...........................................17 
drilling holes ............................................. 9, 14 
E 
EDIT menu ...................................................19 
electrical connections and wiring.......... 9, 13, 14 
electronic components .............................. 9, 47 
emissions .......................................................4 
emitter .........................................................30 
EN14624......................................................67 
enclosure ....................... 2, 9, 10, 14, 16, 45, 47 
end-of-line filter.............................. 4, 12, 47, 49 
ESC key............................................25, 35, 40 
evacuation ............................................... 4, 47 
alarm ................................. 23, 33, 53, 58, 59 
le vel ..........................................................33 
Excel file ......................................................20 
exhaust line ........................................ 5, 37, 47 
connecting ................................................11 
max length ...................................6, 9, 11, 12 
exhaust port ............................................. 2, 48 
max length ................................................32 
exhaust tubing ................................................5 
explosive atmosphere warning.........................2 
external alarm ............................... 4, 24, 33, 36 
devices, triggering ................................. 4, 23 
external monitoring devices ...........................21 
external power source ............................. 23, 24 
F 
factory default settings ............................ 38, 41 
fault(s) .. 4-6, 8, 20, 23, 26, 36-39, 44, 45, 47, 50, 
55-59, 62 
log ...................................................... 20, 39 










