273 Branchport Avenue, Long Branch, NJ 07740-6899 Ph: (800) 631-2148 Fax: (732) 222-8707
Web Site: www.wheelockinc.com e-mail: info@wheelockinc.com
A84531 B
Copyright 2005 Wheelock, Inc. All rights reserved.
Use this product according to this instruction manual.
Thank you for using our products.
Please keep this instruction manual for future reference.
TABLE OF CONTENTS
1.0 - INTRODUCTION AND SPECIFICATIONS 2
1.1 - INTRODUCTION 2
1.2 - SPECIFICATIONS 3
1.3 - TERMINOLOGY 3
1.4 - TERMINAL IDENTIFICATION 4
1.5 - LED STATUS 6
1.6 - BATTERY MAINTENANCE 6
2.0 - INSTALLATION INSTRUCTIONS 6
2.1 - UNPACKING 6
2.2 - MOUNTING 6
2.3 - WIRING 8
2.4 - RELAY STATUS CONNECTIONS 8
3.0 - OPERATION 10
3.1 - MODES OF OPERATION 10
3.2 - DIP SWITCH SETTINGS 10
3.3 - CLASS “B” OPERATION 11
3.4 - CLASS “A” OPERATION 14
3.5 - MASTER REMOTE OPERATION 18
4.0 - TROUBLESHOOTING 20
5.0 - BATTERY CALCULATION SHEET 21
6.0 - WARRANTY STATEMENT 22
WHEELOCK INC. COMPATIBLE APPLIANCES Appendix A
LIST OF FIGURES
FIGURE 1: TERMINAL LOCATIONS 5
FIGURE 2: MOUNTING DIMENSIONS 7
FIGURE 3: POWERPATH PS-12/24-8MP 9
FIGURE 4: OUTPUT DIP SWITCH(S) 10
LIST OF TABLES
TABLE 1: TERMINAL IDENTIFICATION 4
TABLE 2: LED STATUS DESCRIPTION 6
TABLE 3: DIP SWITCH SELECTION 8
P84333 K Sheet 2 of 23
TABLE 4: TROUBLESHOOTING 20
NOTE: All CAUTIONS and WARNINGS are identified by the symbol
letters.
WARNING: READ THIS INSTRUCTION MANUAL CAREFULLY. FAILURE TO COMPLY WITH ANY OF THE
FOLLOWING INSTRUCTIONS, CAUTIONS, AND WARNINGS COULD RESULT IN IMPROPER APPLICATION
AND/OR OPERATION OF THESE PRODUCTS IN AN EMERGENCY SITUATION, WHICH COULD RESULT IN
PROPERTY DAMAGE AND SERIOUS INJURY OR DEATH TO YOU AND/OR OTHERS.
. All WARNINGS are printed in bold capital
1.0 INTRODUCTION AND SPECIFICATIONS:
1.1 INTRODUCTION
The PS-12/24-8MP POWERPATH is an 8 Amp, 12/24VDC, filtered and regulated, supervised remote power
supply/charger used for supervision and expanded power driving capability for Fire Alarm Notification
Appliance Circuits. The PS-12/24-8MP may be connected to any 12VDC or 24VDC Fire Alarm Control
Panel (FACP) by using a Notification Appliance Circuit (NAC) or a “Dry Contact”. Primary applications
include NAC expansion (supports ADA requirements) and auxiliary power to support system accessories.
This unit provides filtered and regulated 12VDC or 24VDC, 8 Amp up to four (4) Class "B", two (2) Class “A”,
or two (2) Class “B” and one (1) Class “A” Notification Appliance Circuits. Additionally, an auxiliary power
output of 3.5 Amps is provided, which can be reset. The PS-12/24-8MP also contains a battery charger
capable of charging either 7 or 12 Amp/Hour (AH) of battery backup.
Two FACP NAC circuits or two “Dry” contact closures can be connected to the POWERPATH inputs. These
inputs can then be directed to control supervision and power delivery to any combination of the four (4)
outputs.
Each output is rated at 3.0 Amps (Class "B") or 3.0 Amps (Class "A") and can be programmed to
generate a steady or Code 3 Temporal Horn sound and a strobe output under alarm condition. Total
load for the PS-12/24-8MP NAC circuits shall not exceed 8.0 Amps.
The PS-12/24-8MP under non-alarmed condition provides independent loop supervision for Class “A” and
Class “B” FACP NAC circuits. In the event of a loop trouble, the FACP will be notified via the POWERPATH
steered input (IN1 or IN2). In addition there are common trouble output terminals (used to indicate a loop
trouble) and common trouble input terminals (used generically by any initiating circuit).
Wheelock horns/strobes, strobes and horns with synchronizing capability can be utilized with the PS-12/248MP. Audibles can be silenced with only two wires. Additionally, the POWERPATH can provide a temporal
coded signal for appliances that can utilize it.
P84333 K Sheet 3 of 23
1.2 SPECIFICATIONS
Approvals:
• UL Listed 864 Standard for Control Units for Fire Protective Signaling Systems
• FM
• MEA approved – NYC Dept. of Buildings
• California State Fire Marshall (CSFM) approved
• Pending: Bureau of Fire Protection (BFP) Chicago
• NFPA 72 compliant
Inputs:
• 120VAC, 50/60Hz, 5.0 Amps or 240VAC, 50/60Hz 3.0 Amps Operating Power in Alarm
• 12/24VDC Battery Backup Connection
• Two (2), 12VDC or 24VDC NAC Initiating Circuits (8-33VDC at 5mA)
• Two (2) “Dry” Contact initiating Circuits
• Accepts two Class “A” or two Class “B” circuit inputs
• Built in battery charger for sealed lead acid or gel type batteries
Outputs:
• Switch selectable 12VDC or 24VDC power limited outputs
• 8 Amp in alarm supply current at 12VDC or 24VDC
• Capable of four (4), Class "B" circuits (2.0 Amps each)
• Capable of two (2) Class “A” circuits (3.0 Amps each)
• Capable of one (1) Class “A” circuit (3.0 Amps) and two (2) Class “B” circuits (2.0 Amps each)
• Capable of two (2) Class “B” circuits (3.0 Amps each) and (2) Class “B” circuits (2.0 Amps total)
• Temporal (Code 3) or constant voltage output generation
• Built-in Wheelock synchronization mode that can be fed to any or all of the output circuits
• Input and output can be synchronized with “IN>OUT SYNC” mode (SM, DSM or 2
required)
• Audible silence capability
• Filtered and electronically regulated output
• 3.5 Amp auxiliary power limited output with reset capability. (Removed upon AC loss or alarm. Automatic
reset 30 seconds after AC power returns or the alarm condition is over)
Supervision:
• Compatible with 12VDC or 24VDC FACP
• Signaling appliance loops are supervised and steered to either IN1 or IN2
• 2.2K Ohm, 1 Watt (Wheelock Model #MPEOL) End of Line Resistor (EOLR) for supervision of all outputs
• Common input and output trouble circuits
• Automatic switchover to standby battery when AC fails
• Thermal and short circuit protection with auto reset
• Input and output status LED indicators
• AC fail supervision (Form C contact, 1 Amp 28VDC)
• Battery presence and low battery supervision (Form C contact, 1 Amp 28VDC)
• Ground Fault Detection
1.3 TERMINOLOGY
CLASS “A” = STYLE Z
CLASS “B” = STYLE Y
FACP = Fire Alarm Control Panel
EOLR = End of Line Resistor
NAC = Notification Appliance Circuit
SM = Wheelock Sync Module with single output.
DSM = Wheelock Dual Sync Module with two outputs.
C = Common
NC = Normally Closed
NO = Normally Open
AH = Ampere/Hour
nd
PS-12/24-8MP is
P84333 K Sheet 4 of 23
1.4 TERMINAL IDENTIFICATION
Table 1: Terminal Identification
Terminal Block
Identification
Numbers (Figure 1) Identification
TB4-1, 2
TB4-3, 4,
TB5-1, 2
TB5-5, 4
TB4-5, 6
TB5-5, 6
TB6-1, 2
TB6-3, 4
TB6-5, 6
TB6-7, 8
TB7-1-3
TB7-4, 5
Terminal Function/Description
IN1+,IN1- These terminals connect to the input voltage source (i.e. 12VDC or
24VDC FACP). The FACP will supply a voltage from 8-33VDC at 5mA.
During the alarm condition these inputs will cause the designated outputs
to drive the notification appliances (designated outputs are set by output
DIP switch banks). During Stand-by on a FACP, a trouble condition on
the designated loop will cause these inputs to trip the FACP by opening
the FACP loop. Alarm condition always overrides trouble to drive output
indicating appliances.
RET1+, RET1- EOLR is connected on these terminals corresponding to IN1+ and IN1-,
or the loop may be continued to other power supplies or appliances
before terminating.
IN2+, IN2- Same as IN1+, IN1- for corresponding terminals.
RET2+, RET2- Same as RET1+, RET1- for corresponding terminals.
C “DRY1” NC Dry contacts are used to actuate the designated outputs. Contacts are
normally closed
and actuate the power supply on contact Open.
Designated outputs correspond to IN1+,IN1-. NOTE: FACP NAC circuit
cannot energize the power supply by these contacts. NOTE: When these
terminals are not in use, a jumper must be connected across them.
C “DRY2” NC Operates the same as IN2+,IN2- for corresponding terminals. When
these terminals are not in use, a jumper must be connected across them.
+OUT1+OUT2+OUT3+OUT4-
Indicating appliances are connected to these outputs (See Examples in
Operation Section). Each output can supply a maximum load of 3.0
Amps, Class "B" or 3.0 Amps Class "A" and can be individually
programmed for Normal Mode, Temporal Mode, IN>OUT SYNC Mode, or
WHEELOCK SYNC Mode. The outputs can be configured as four Class
"B" circuits, two Class "A" circuits, or two Class "B" and one Class "A"
circuits. Outputs are controlled by a designated input (INPUT 1 or 2) as
selected by the DIP switch for that output. NOTE: When the panel has
been set to synchronization mode, IN1 is used for strobe activation and
IN2 is used for audible silence. Individual output control is disabled.
“NO” “C” “NC”
(COMMON
Typically used to trigger remote alerts or other reporting appliances.
Form C contacts rated 28VDC at 1 Amp.
TROUBLE
OUTPUT)
+ AUX - This output is capable of 3.5 Amps which can be used for door holders
and can be reset by a momentary switch on the board. The 3.5 Amps of
power is disconnected when AC power is lost or the unit is in alarm. The
3.5 Amps of power is reconnected 30 seconds after AC power returns or
the alarm condition is over.
P84333 K Sheet 5 of 23
(NONPOWER-LIMITED, SUPERVISED)
(LINE OR BLACK LEAD) L1
(NEUTRAL OR WHITE LEAD) L2
(GROUND OR GREEN LEAD) EARTH
(NONPOWER-LIMITED, SUPERVISED)
AC POWER
120VAC, 50/60Hz
240VAC, 50/60Hz
TB1
F1
10 AMP
250V
AC POWER
FUSE
OR
G L2
G L1
MADE IN USA
WITH PRIDE
SEE INSTALLATION INSTRUCTION (P84333) FOR DETAILS
AC POWER
SELECTION
120/240VAC
SW1
115V
CONTROL 1
NAC
ACTIVATION
FROM FACP
TO NEXT
BOOSTER
SHORTED (NO ALARM)
OPEN (ALARM)
CONTROL 2
NAC
ACTIVATION
FROM FACP
TO NEXT
BOOSTER
SHORTED (NO ALARM)
OPEN (ALARM)
OUTPUT1
IN>OUT SYNC
WHEELOCK SYNC
TEMPORAL
INPUT SELECT
OUTPUT2
IN>OUT SYNC
WHEELOCK SYNC
TEMPORAL
INPUT SELECT
P84230
REV.
TB4
+
-
IN1
+
RET1
-
DRY1
+
-
IN2
+
RET2
-
DRY2
OUT TRB
D8
D13
D14
D18
ON
D70
SW8
SYS
RESET
IN1+
IN1-
OUT1
OUT2
OUT3
OUT4
SW2
2 3 41
41 2 3
SW5
OFF
RET1+
MICRO
FAULT
D9
D15
D16
D19
SW3
SW6
D10
INP1
INP2
GND
FAULT
BATT
ON OFF
DRY1RET1-
C NC
AC
D71
OUTPUT3
IN>OUT SYNC
WHEELOCK SYNC
2 3 41
TEMPORAL
INPUT SELECT
OUTPUT4
41 2 3
IN>OUT SYNC
WHEELOCK SYNC
TEMPORAL
INPUT SELECT
CLASS A/B
SELECTION
SWITCHES
IN2-
IN2+
TB5
POWER SUPPLY DC
SW4
O
N
1 2
3
4
DRY2
RET2-
C
RET2+
NC
DC POWER OUT
12V
SELECTION
24V
12Vdc OR 24Vdc
SW9
OUT1
+
TB6
AUXILIARY POWER
RESET
SW7
(MP VERSION)
OUT2
-
OUT3
+
- + - + -
OUT4
NO C NC
AUX
+ -
TB3
BATTERY CONNECTION
-
BATT
7AH-12AH
+
(NONPOWER-LIMITED,
SUPERVISED)
W1
TB7
AUXILIARY POWER OUTPUT
(MP VERSION)
3.5A
0.2A 24HR or 0.06A 60HR (CP VERSION)
(POWER-LIMITED, FAIL-SAFE)
NC TROUBLE RELAY
C FORM-C
NO (NONSUPERVISED)
-
NAC4
+
+
+
+
28VDC 1 AMPPOWER-LIMITED
NAC OUTPUTS
NAC3
EOLR 2.2K
CLASS A OR B
NAC2
(POWER-LIMITED, SUPERVISED)
NAC1
TWO DIFFERENT SOURCES OF POWER MAY BE CONNECTED TO THIS UNIT.
WAR NIN G
DISCONNECT BOTH SOURCES OF POWER BEFORE SERVICING.
FAILURE TO DISCONNECT BOTH SOURCES OF POWER BEFORE SERVICING
COULD RESULT IN PROPERTY DAMAGE, SERIOUS INJURY OR
DEATH TO YOU AND/OR OTHERS
FCC COMPLIANCE:
1) THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE; AND 2) THIS DEVICE MUST ACCEPT ANY INTERFERENCE
RECEIVED, INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION.
THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES. OPERATION IS SUBJECT TO THE FOLLOWING TWO CONDITIONS:
Table 2 lists status of the LED indicators. The ALARM condition occurs when the input causes the output
circuits to energize. TROUBLE condition occurs when the circuit is no longer supervised correctly. The
TROUBLE LED’s for OUT1, OUT2, OUT3, OUT4 and, GND FAULT latch ON when the trouble occurs.
They are turned OFF when an alarm condition occurs or the PS12/24-8MP system rest (SW8) is pressed.
The trouble relay follows any trouble condition and is not latching.
NOTE: An alarm condition overrides a trouble condition.
Table 2: LED Status Description
LED
OUT1 STANDBY -------- TROUBLE
OUT2 STANDBY -------- TROUBLE
OUT3 STANDBY -------- TROUBLE
OUT4 STANDBY -------- TROUBLE
INP1 STANDBY ALARM TROUBLE*
INP2 STANDBY ALARM TROUBLE*
GND FAULT -------- TROUBLE -------AC No AC AC Present -------BATT -------- TROUBLE -------MICRO FAULT -------- TROUBLE -------POWER SUPPLY DC TROUBLE DC PRESENT --------
* NOTE: If INP1 or INP2 LED and OUT1-OUT4 TROUBLE LED are on, TROUBLE exists currently.
1.6 BATTERY MAINTENANCE
Battery Replacement: Power-Sonic (or equal) 12VDC, replace with new batteries every four (4) years or as
needed if battery will no longer accept full charge. Two 12V batteries are required for 24VDC setting. Use
either a 7AH battery or a 12AH battery in accordance with the proper battery calculation for the application
using BATTERY CALCULATION SHEET provided on Sheet 23.
NOTE: Battery compartment measures 4-1/2" High X 11-1/2" Wide X 4-1/2" Deep.
2.0 INSTALLATION INSTRUCTIONS:
NOTE: The PS-12/24-8MP POWERPATH shall be installed in accordance with the National Fire Protection
Association (NFPA), National Electrical Code (NEC) and all applicable state and local regulations.
2.1 UNPACKING
The POWERPATH was carefully checked before leaving the factory. Inspect shipping container and unit
carefully for indications of improper handling. If damage is detected, make an immediate claim to the
carrier.
Remove the POWERPATH from the shipping container and check that the door lock keys, door lock, and
battery connection wires are inside. Make sure the printed circuit board is securely mounted to the rear of
the enclosure.
2.2 MOUNTING
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS UNIT
TO RAIN OR MOISTURE.
CAUTION: This product is not intended for use in hazardous locations as defined by the National
Electrical Code (NEC) and by the National Fire Protection Association (NFPA).
Mount the POWERPATH in the desired location using the mounting dimensions in Figure 2.
Mount the panel in a location that does not exceed a temperature range of 0° C to 49° C (32° F to 120° F)
and a humidity equal to 10% to 85% at 30° C (86° F) non-condensing.
When mounting on interior walls, use proper screw anchors in plaster. When mounting to concrete,
especially when moisture is expected, first attach a piece of ¾ inch plywood to the concrete surface. Attach
the POWERPATH to the plywood.
P84333 K Sheet 7 of 23
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