Krueger | 1401 N Plano Rd | Richardson, TX 75081 | 972.680.9136 | [email protected] | www.krueger-hvac.com
Commissioning Guide for VPQ-2
Page: 2 of 10
Components
USB Module
: Allows a
laptop to communicate with
the diffuser network for
programming.
NOTE: Each VPQ-2 diffuser will come with a 4-pin cable. The thermostat option will include the 6-pin RJ12 cable.
The USB module and MCM will include the 4-pin RJ9 cable. All cables are 25’ standard. 75’ cables are available as
parts.
6-pin RJ12 Cable
: This cable
connects the thermostat to
the diffuser.
Thermostat
: Digital
thermostat used to control
either a single diffuser or a
network of diffusers.
4-pin Cable
: This cable
carries power and signal from
diffuser to diffuser and power
pack to diffuser.
Power Pack
: Module which
will provide power to the
VPQ-2.
Master Communications
Module (MCM)
: Allows for
large diffuser networks and
integration with BACnet and
LONworks. This takes the
place of the USB module.
VPQ-2
: Digitally controlled
VAV diffuser with plaque
face, which includes its own
communication module.
There is no physical
difference between a master
and slave diffuser.
4-pin RJ9 Cable
: This cable
connects the USB module to
the diffuser network via the
power pack OR diffuser.
Termination Plug
: Small,
4-pin plug which electrically
signals the end of a diffuser
chain. Shipped installed in
each diffuser and power
pack.
The purpose of this document is to serve as a
guide for Krueger’s VPQ-2 diffusers. It will cover all
components and setup parameters for the digital VAV
system.
For additional questions or assistance, please contact
us at [email protected].
