Maxsys PC4204 Installation Instructions

1.

Introduction

The PC4204 is an output module with four programmable
relay outputs. Relay 1 can be used to repower the Combus.
NOTE: Do not use any power supply other than the PC4204
to repower the Combus. If a power supply other than the
PC4204 is used, the Combus repower function will not
operate as intended. See the control panel Installation
Manual for details regarding this feature.
2.

Specifications

• Current Draw: 30 mA (from Combus)
• Minimum 40VA 16-18V transformer required
• Minimum 4Ah battery required
• Connects to control panel via 4-wire Combus
• Four programmable relay contacts rated 2A, 30V
• AUX current: 1.0A max.
• Tamper contact input
Compatible Cabinets
• PC4051C/CR*
• PC4052C/CR*
*CR cabinets for North American customers only
3.

Installing the PC4204

3.1 Unpacking

The PC4204 package should include the following parts:
• One PC4204 circuit board
• One ground wire assembly
• Five plastic stand-offs
• One 5A replacement fuse

3.2 Mounting

The PC4204 should be located inside a compatible cabinet,
mounted in a dry, secure location. Preferably, it should be
placed at a convenient distance from the connected
devices.
Please refer to the System Installation Manual for information on limitations regarding product
use and function and information on the limitations as to liability of the manufacturer.
PC4204 Relay Output Module
v 2.1 • Installation Instructions
Perform the following steps to mount the unit:
1. Press the five plastic stand-offs through the mounting
holes at back of the cabinet.
2. Secure the cabinet to the wall in the desired location.
Use appropriate wall anchors when securing the cabinet
to drywall, plaster, concrete, brick or other surfaces.
3. Press the circuit board into the plastic stand-offs to
secure the module to the cabinet.
Once the unit is mounted, wiring may be completed.

3.3 Installation and Wiring

Before beginning to wire the unit, ensure that all power
(AC transformer and battery) is disconnected from the
control panel.
Perform the following steps to complete wiring:
DC
1. Connect the four Combus wires to the PC4204.
Connect the red, black, yellow and green Combus
wires to the RED, BLK, YEL and GRN terminals,
respectively.
If Relay 1 is being used for Combus Power, connect
the Combus wires according to the following
diagram. Note that for this option, Jumper J1 must
also be set for "Combus Relay."
2. Complete all output wiring.
3. Connect the external tamper switch, if used.
Consult the above wiring diagrams for further
information.