TREND AQ-D User Manual

Important: Retain these instructions

UNPACKING

INSTALLATION

Installation Instructions

AQ/D

Duct Air Quality Sensor

AQ/D Installation Instructions
TG100525A

97 mm (3.82”)

TrendControl Systems

90 mm (3.54”)

85 mm (3.35”)

centres

3

AQ/D

Horsham, UK

105 mm (4.16”)_

Drill hole in duct

1

2

Dimensions

Location

45 mm (1.77”)

12 mm diam (0.47”)

190 mm (7.48”)

57 mm

(2.74”)

b

a

V <= 10 m/s, 33 ft/s
(e.g. return air)

Ø 15 mm

(0.59”)

c

-18 °C
(64 °F)

+24 °C
(75 °F)

65 %RH ± 5 %

HO

2

Protection :IP67, NEMA 6

Prepare duct

4

a

b

42.5mm
(1.67”)

AQ/D Installation Instructions TG100525A Issue 3, 2/03/2009

2 pilot holes

42.5 mm
(1.67”)

Mount Sensor

5

a

b

2 x No 6 x 20 mm screws DIN 7481

1

AQ/D Installation Instructions

LD1

VR1

Cal

OP0V24V

Run

VR2

-

+

DELAY

ADJUST

INSTALLATION (Continued)

Remove lid

6 7

Remove Connector

ba

Insert cable through gland

8 9

either use
flexible conduit

or use
M20 cable gland

Wire to Controller

10

C a l

O P0 V2 4 V

R u n

24V 0V OP

Caution: This unit contains static

taken throughtout the operation to
prevent damage to the units.
BS EN100015/1 Basic
Specification: protection of
electrostatic sensitive devices.

Check link is in ‘Run’ position

View of pcb from surface
mount side

Cal
position

IQ2

24V (AUX)
C (0V)

IN

sensitive devices.
Suitable anti-static
precautions should be

Run position

IQ analogue input
channel linked for
voltage (V)

- +

L D 1 V R 1

A D J U S T

- +

Note that sensor requires 96 mA from
24 V supply

Use auxiliary 24 Vdc output terminal as maximum current = 96 mA

Replace connector

11

D E L A Y

V R 2

24V 0V OP

12

Ensure clean
environment

0 (0V)
N (in)

24V

IQ3

N

13

IQ analogue input
channel linked for
voltage (V)

Set minimum delay

-

+

clean air

2

AQ/D Installation Instructions TG100525A Issue 3, 2/03/2009

Delay