Whelen PCC8R - Manual (Page 2)

Page 2
Relay
1
(20A
Max)
Relay
2
(20A
Max)
Relay
3
(20A
Max)
Relay
4
1(
0A
Max)
Relay Power
System
Port
40 Amp
Fuse
40 Amp
Fuse
To POS (+)
Battery Terminal
Relay
5
(10A
Max)
Relay
6
(10A
Max)
Relay
7
(10A
Max)
Relay
8
(10A
Max)
Dip Switch
Bank #2
Dip Switch
Bank #1
RELAY
1
RELAY
5
RELAY
6
RELAY
7
RELAY
8
RELAY
2
RELAY
3
RELAY
4
1 -
2 - Normally Open
3 -
Normally Closed
Common
3 - To Backlight Control
2 - To Chassis Ground
1 - To Ignition Controlled +12V
1 - Open
2 - +VBAT
3 - Open
1 -
2 -
3 - Open
+VBAT
Open
Relay On Relay Off
Fuse Position #1:
Dry Contact Relay
Fuse Position #2:
Standard Outlet
Fuse
Fuse
3
2
1
1
2
3
3
2
1
Selecting a mounting location...
The logical choice for a mounting area would be a trunk or similar
compartment. However, due to the wide variety of vehicles onto which the
relay box could be installed, this is not always possible. The following
guidelines will help the installer select an acceptable alternative:
•
Do not select a location where the relay box will be exposed to
potential damage from any unsecured or loose equipment in the
vehicle.
• Be sure the area selected will not allow the relay box to be
exposed to water!
• When routing the relay box’s wires, it is important to choose a
path that will keep these wires away from excessive heat and
from any vehicle equipment that could compromise the integrity
of the wires (ex. trunk lids, door jams, etc.)
When the best mounting location has been determined, securely fasten
the relay box to it’s mounting surface using the supplied hardware.
Caution: As it will be necessary to drill holes into the mounting
surface, the installer MUST be sure that no vehicle components or
other vital parts could be damaged by the drilling process. Check
both sides of the mounting surface before drilling!
Wiring...
Relay Power - Using appropriately sized wires (see chart on Page 3),
extend the two Main Power wires to the vehicle battery. Install a Fuse
Block equipped with a 40 Amp fuse onto the end of each wire. Connect
each fuse block to the POS (+) battery terminal. NOTE: Do not place the
fuses in their holders until all electrical connections have been completed.
WARNING! Combined relay current can not exceed 70 Amps at any
time!
WARNING! All customer supplied wires, that connect to the positive
(+) terminal of the battery, must be sized to supply at least 125% of
the maximum operating current, and fused “at the battery” to carry
the load! DO NOT USE CIRCUIT BREAKERS WITH THIS PRODUCT!
System Wiring - Using appropriately sized wire, extend the wires from the
‘System’ port as follows:
Pin 1 - to an ignition controlled electrical circuit.
Pin 2 - to Chassis Ground.
Pin 3 - to vehicle parking light circuit (backlight connection).
Relay Connections - Each relay can function as either a Dry Contact
Relay or as a Standard Outlet. The function is determined by the position
of that relay’s fuse. Refer to the illustration below for wiring information.
Dip Switches...
The relay box has two dip switch banks that are accessible from the rear
of the unit. Each bank consists of 8 dip switches; one for each relay. For
example, the position of dip switch #6 will effect relay #6.
Bank #1 is used to disable diagnostic feedback for a given relay
configured to operate as a Dry Contact Relay. In the UP (default) position,
the outlet will return diagnostic feedback to the control head. In the DOWN
position, no diagnostic information for that outlet is sent to the control
head.
Bank #2 determines the operational style of the control head buttons. In
the UP (default) position, the buttons operate with a “Push ON / Push
OFF” style. In the DOWN position, the buttons function in a “Momentary”
style, with the relay being active only while its corresponding button is
pressed.
Diagnostics...
The RELAY BOX provides diagnostic feedback to the control head.
NOTE: The diagnostic operation for that relay should be disabled as
outlined in the “Dip Switch” section.
The diagnostic LED for each relay is located adjacent to the control head
button for a given relay and operates as follows:
LED On Steady - Relay is operating properly
LED Single Flash - Relay has failed to close
LED Double Flash - Relay is stuck closed.
WARNING! If a diagnostic LED indicates a problem, do not operate
that relay until the cause has been identified and repaired.