Honeywell International Inc. AZWDGL Manuale Utente
Installation and Operations Guide
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General installation guidelines
© Honeywell
LTBT-TM-AZWIOG
Rev. 0001BETA
7
General installation guidelines
This section provides guidance for wiring and powering Alerton controllers. For
installation instructions specific to AZW-5000, see “Installation” on page 14.
installation instructions specific to AZW-5000, see “Installation” on page 14.
Using terminal blocks
The AZW-5000 uses header-style termination blocks to simplify field wiring of
power, communications, and I/Os. Terminal blocks accept wire gage from
12–24AWG.
power, communications, and I/Os. Terminal blocks accept wire gage from
12–24AWG.
To terminate wire to a AZW-5000
1.
Strip approximately 1/8” of the wire jacket from the end of the wire.
2.
Use a small screwdriver (1/8” max) to turn the adjustment screw fully
counter-clockwise. The clamps in the wire slot separate as you turn the
screw.
counter-clockwise. The clamps in the wire slot separate as you turn the
screw.
3.
Insert the stripped end of the wire into it (try to get the jacket flush with
the terminal block). If using stranded wire, be sure to insert all strands
into the wire slot. If terminating multiple wires, trim wires to same
length and tightly twist exposed wire together.
the terminal block). If using stranded wire, be sure to insert all strands
into the wire slot. If terminating multiple wires, trim wires to same
length and tightly twist exposed wire together.
4.
Hold the wire in place and turn the adjustment screw clockwise to
tighten it until the clamps in the wire slot secure the wire.
tighten it until the clamps in the wire slot secure the wire.
5.
Tug gently on the wire to ensure it is secure.
Power supply guidelines and requirements
AZW-5000 uses 24VAC power from a UL Listed Class 2 24VAC transformer
(not provided). The AZW-5000 uses a half-wave rectifier to convert the AC
power supply to onboard power. This enables multiple devices with half-wave
power supplies to be powered from a single, grounded transformer. When
sharing a transformer make sure the sum of the MAX loads for all connected
devices does not exceed the Load rating for the transformer. AZW-5000
maximum power consumption is <5VA.
(not provided). The AZW-5000 uses a half-wave rectifier to convert the AC
power supply to onboard power. This enables multiple devices with half-wave
power supplies to be powered from a single, grounded transformer. When
sharing a transformer make sure the sum of the MAX loads for all connected
devices does not exceed the Load rating for the transformer. AZW-5000
maximum power consumption is <5VA.
C A U T I O N
Half-wave devices and full-wave devices must not use the same AC
transformer. If a AZW-5000 will share its power supply with another device,
ensure that the other device uses a half-wave rectifier and that polarity of wiring
is maintained. Failure to do so can result in equipment damage.
ensure that the other device uses a half-wave rectifier and that polarity of wiring
is maintained. Failure to do so can result in equipment damage.
N o t e
All Alerton unitary controllers are half-wave devices.
Selecting a transformer
The safest way to size a transformer is to ensure that the maximum VA load
rating of the AZW-5000 is less than 85% of the Nameplate VA rating of the
transformer. Even if all outputs are not presently used, this ensures that each
AZW-5000 has sufficient power for future equipment additions.
rating of the AZW-5000 is less than 85% of the Nameplate VA rating of the
transformer. Even if all outputs are not presently used, this ensures that each
AZW-5000 has sufficient power for future equipment additions.
C A U T I O N
If an AZW-5000 will share its power supply with another device,
ensure the transformer is rated to handle the combined maximum load. Using
and undersized transformer may damage equipment.
and undersized transformer may damage equipment.
I M P O R TA N T
Transformer sizing should never exceed the maximum UL Class
2 rating.