Wiring Details; Electrical Wiring - Honeywell IAQPoint2 User Manual

Wiring Details

Electrical Wiring

Electrical Wiring
A wiring information sticker is pasted on the unit to simplify installation,
however the electrical connections must be made according to the
following diagram. The front of the circuit board contains the detection
chambers (not shown), relay, LCD screen and power and
communication terminals.
COMMUNICATION
Communication Wire Gauge:
24 AWG (Belden 9841)
Twisted and shielded cable
2000 feet (600 m) per channel
T-tap: 65 feet (20 m) / T-tap
130 feet (40 m) total
The EOL resistor is located
on the back of the board.
22
Wiring Details
U1
TEST(+)
J2
[A]
A
TP2
[B]
B
SHIELD
U2
LCD1
J5
1
RT1
1
JP3
Figure 7: Wiring Diagram
90DM4 User Manual
Honeywell
J4
N.C.
Comm.
TEST(-)
N.O.
40 to
200 mV
V-
TP3
V+
Sig.
PCB90DM4MSURI
MADE IN CANADA
510073
REL.1
RELAY OUTPUTS
Normally closed
N.C.
J3
COMM
N.O.
Normally open
V-
V+
Sig
J1
C1
C2
U3
C3
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2/07