S P R I N K L E R
S Y S T E M S
M O N I T O R I N G
Zonecheck
Flow Switch Tester
Manifold Models
UL/FM Models
with
110 V Pump
ZC20
ZC25
ZC30
ZC40
ULC Models
with
110 V Pump
ZC20A
ZC25A
ZC30A
ZC40A
Zonecheck Manifold Model
Retrofit Models
UL/FM Models
with
110V Pump
ZCR20
ZCR25
ZCR30
ZCR40
ZCR60
ZCR80
ULC Models
with
110V Pump
ZCR20A
ZCR25A
ZCR30A
ZCR40A
ZCR60A
ZCR80A
International
Models with
220V Pump
ZCR20E
ZCR25E
ZCR30E
ZCR40E
ZCR60E
ZCR80E
Replacement Parts
ZCK-1 Zonecheck 110V Keyswitch
ZCK-1E Zonecheck 220V Keyswitch
ZCK-1EG Zonecheck 220V Keyswitch (German)
ZCP-110 Zonecheck 110V Pump
ZCP-220 Zonecheck 220V Pump
ZCRK Zonecheck Replacement Kit
Product Overview
Simplifies compliance to NFPA 25 for
quarterly flow switch testing
Does not require opening the inspector’s
test connection
Saves as much as 400 gallons of water
per flow switch per year
Does not activate the building’s fire pump
Testing initiated by a key switch
Key switches may be interconnected
to control all Zonechecks from one
master switch
Significantly reduces testing time
Includes a System Sensor flow switch
with each model
Offered in manifold and retrofit
configurations
System Sensor’s Zonecheck flow switch tester is an automatic method for
performing quarterly flow switch tests per NFPA 25.
Code Compliance.
Quarterly flow switch tests are mandated by NFPA 25.
Zonecheck simplifies testing by re-circulating the water within the pipe around
the flow switch, to simulate the flow of one sprinkler head in operation. This
simulation is achieved without having to open the inspector’s test connection.
Environmental Savings.
Zonecheck re-circulates the water within the pipe, so no
water is expelled from the system. Over the course of one year, Zonecheck can
save as much as 400 gallons of water per flow switch, per year.
Ensured Life Safety.
Since Zonecheck does not require opening the inspector’s
test connection, a building’s fire pump is not activated, to avoid unnecessary fire
department dispatches. This also reduces the likelihood of the fire pump being
turned off manually during flow switch testing, thereby ensuring the sprinkler
system’s integrity.
Time Savings.
Zonecheck’s pump is activated by the turn of a key switch. The
key switch may be wired to initiate one pump locally, or can be interconnected.
When interconnected, any key switch may activate all Zonecheck pumps, to
significantly reduce testing time.
Applications Flexibility.
All Zonechecks are equipped with a System Sensor flow
switch. Models include manifold and retrofit configurations with either 110V or
220V pumps, and UL, ULC, or International style flow switches.
Standard Specifications
Working Pressure Rating
175 PSI
Operating Temperature Range
32°F - 120°F (0°C - 49°C)
Compatible Pipe (Manifold Models)
Schedule 10, 2″ - 4″ diameter
Compatible Pipe (Retrofit Models)
Schedule 10 and 40, 2″ - 8″ diameter
(50 mm through 200 mm)
Ser vice Use
Inspection, Testing and Maintenance of
Water-Based Fire Protection Systems:
NFPA25
National Fire Alarm Code: NFPA 72
Manifold Assembly Length
(Manifold Models)
25.6″ (65 cm)
Component Connections (included)
(Manifold Models)
2 - 1″ NPT/25mm British Standard
Thread elbows
Component Connections (included)
(Retrofit Models)
2 - 1″ NPT/25mm British Standard
Thread elbows
2 - 25mm British Standard
Thread elbows
Valves (included)
Red: Standard valve
Green: Contains check valve
Warranty
3 years
Approximate Weight
Style
ZCR20
ZCR25
ZCR30
ZCR40
ZCR60
ZCR80
ZC20
ZC25
ZC30
ZC40
Weight
31 lbs. (14.1 kg)
31.5 lbs. (14.3 kg)
32 lbs. (14.5 kg)
33 lbs. (14.9 kg)
34 lbs. (15.4 kg)
35 lbs. (15.9 kg)
37 lbs. (16.8 kg)
39 lbs. (17.7 kg)
41 lbs. (18.6 kg)
45 lbs. (28.8 kg)
Electrical Specifications
Pump Operating Voltages
UL, ULC, FM models: 1.63A @ 110V,
60Hz
International models : 0.88A
@ 220V, 50Hz
Key Switch Operating Voltage
ZCK-1: 110VAC
ZCK-1E, ZCK-1EG: 220VAC
Key Switch Mounting Options
Includes back box for sur face or flush
mounting. For pre-wiring, use a
4
11
⁄
16
″
x 4
11
⁄
16
″
back box.
Flow Switch Included with Zonecheck
UL/FM Models with 110V Pump
Retrofit Model
ZCR20
ZCR25
ZCR30
ZCR40
ZCR60
ZCR80
Manifold Model
ZC20
ZC25
ZC30
ZC40
Flow Switch Model Included
WFD20
WFD25
WFD30-2
WFD40
WFD60
WFD80
Key Switch Operation Modes
Self-test: Wired locally
Group test: Interconnected
Key Switch LED Operation
Ready state: No LED
Test initiation: Green LED
Flow switch activation: Red LED for
ZCK-1
Flow switch activation: Green LED for
ZCK1E + ZCK1EG
ULC Models with 110 V Pump
Retrofit Model
ZCR20A
ZCR25A
ZCR30A
ZCR40A
ZCR60A
ZCR80A
Manifold Model
ZC20A
ZC25A
ZC30A
ZC40A
Flow Switch Model Included
WFD20A
WFD25A
WFD30-2A
WFD40A
WFD60A
WFD80A
International Models with 220V Pump
Retrofit Model
ZCR20E
ZCR25E
ZCR30E
ZCR40E
ZCR60E
ZCR80E
Flow Switch Model Included
WFD20E
WFD25E
WFD30E
WFD40E
WFD60E
WFD80E
For flow switch specifications, refer to the appropriate flow switch
instructions manuals.
Zonecheck Installation
For flow switch specifications, refer to the appropriate flow switch instructions manuals.
WATERFLOW
DETECTOR
ZONECHECK
PUMP
RED VALVE
GREEN
VALVE
RED VALVE
WATERFLOW
DETECTOR
ZONECHECK
PUMP
CORRECT
Correct Horizontal Installation
Pump stripes
(horizontal)
GREEN
VALVE
Correct Vertical Installation
INCORRECT
Pump stripes
(vertical)
ZONECHECK
PUMP
ZONECHECK
PUMP
Incorrect Horizontal Installation
Electrical Wiring Diagrams
FOR INTERCONNECTING MULTIPLE ZONECHECK UNITS
TO EARTH GND.
OR ATTACH TO
JUNCTION BOX
GND
AC
AC
PUMP
PUMP
AC POWER
Incorrect Horizontal Installation
AC GROUND
WIRING DIAGRAM FOR STAND ALONE APPLICATION
TO EARTH GND.
OR ATTACH TO
JUNCTION BOX
GND
AC
AC
PUMP
PUMP
PUMP
AC POWER
WATERFLOW
DETECTOR
AC GROUND
}
}
WF INPUT
INTER-CONNECT
}
}
WF INPUT
INTER-CONNECT
TO EARTH GND.
OR ATTACH TO
JUNCTION BOX
GND
AC
AC
PUMP
PUMP
PUMP
AC POWER
WATERFLOW
DETECTOR
AC GROUND
NOTE:
WF INPUT NOT REQUIRED FOR
KEYSWITCH OPERATION IF WATERFLOW
DETECTOR IS CONNECTED TO PANEL
OR OTHER MONITORING DEVICE.
AC POWER AND PUMP WIRING
MUST CONFORM TO NEC OR
YOUR LOCAL CODES.
}
}
WF INPUT
INTER-CONNECT
WATERFLOW
DETECTOR
PUMP
TO NEXT
ZONECHECK
SWITCH FOR
INTERCONNECT
Engineering Specifications
General/Retrofit Model Specifications
Model shall be a Zonecheck Flow Switch
Tester model ___________________ as manufac-
tured by System Sensor. Flow Switch Tester
shall be installed on a sprinkler system riser as
designated on the drawings and/or as speci-
fied herein. Flow Switch Tester assembly shall
mount on any clear pipe span of the appropri-
ate nominal size, either in a ver tical upflow or
horizontal run, between 6″ and 12″ from the
flow switch. Flow Switch Tester shall consist of
a recirculating pump, operating at nominal
110V or 220V as appropriate, two (2) sets of
valves and elbows to facilitate the circulation
of the water, a System Sensor vane-type water-
flow detector, and a key switch to activate the
recirculating pump. When activated, the pump
shall circulate the water within the sprinkler
riser around the water flow detector vane to
simulate the flow of one sprinkler head in oper-
ation. The activating key switch shall provide
the means to be wired locally to one
Zonecheck Flow Switch Tester, or intercon-
nected with other key switches for group
activation. Flow Switch Tester shall be avail-
able for manifold and retrofit installation
applications. Zonecheck Flow Switch Tester
retrofit models shall be listed by Under writers
Laboratories, Inc.
Manifold Model Specifications
Zonecheck Automatic Flow Switch Tester mani-
fold models shall fur ther consist of a schedule
10 pipe assembly of the appropriate nominal
size. Manifold assembly shall provide grooved
ends for accepting the appropriate grooved
connection fittings. Manifold assembly shall
include no less than two drain por ts with the
appropriate drain plugs. Manifold Zonecheck
models shall come with the pump, valves,
elbows, pipe assembly, drain plugs, and System
Sensor water flow detector pre-assembled.
Zonecheck Flow Switch Tester manifold models
shall be listed by Under writers Laboratories,
Inc.
Ordering Information
Manifold Model Number
ZC20
ZC25
ZC30
ZC40
ZC20A
ZC25A
ZC30A
ZC40A
Retrofit Model Number
ZCR20
ZCR25
ZCR30
ZCR40
ZCR60
ZCR80
ZCR20A
ZCR25A
ZCR30A
ZCR40A
ZCR60A
ZCR80A
ZCR20E
ZCR25E
ZCR30E
ZCR40E
ZCR60E
ZCR80E
Pipe Size
2″
2
1
/
2
″
3″
4″
2″
2
1
/
2
″
3″
4″
Pipe Size
2″
2
1
/
2
″
3″
4″
6″
8″
2″
2
1
/
2
″
3″
4″
6″
8″
50 mm
65 mm
80 mm
100 mm
150 mm
200 mm
Pump Voltage
110V
110V
110V
110V
110V
110V
110V
110V
Pump Voltage
110V
110V
110V
110V
110V
110V
110V
110V
110V
110V
110V
110V
220V
220V
220V
220V
220V
220V
Flow Switch
WFD20
WFD25
WFD30-2
WFD40
WFD20A
WFD25A
WFD30-2A
WFD40A
Flow Switch
WFD20
WFD25
WFD30-2
WFD40
WFD60
WFD80
WFD20A
WFD25A
WFD30-2A
WFD40A
WFD60A
WFD80A
WFD20E
WFD25E
WFD30E
WFD40E
WFD60E
WFD80E
Replacement Model No. Description
ZCK-1
ZCK-1E
ZCK-1EG
ZCP-110
ZCP-220
ZCRK
110V Keyswitch
220V Keyswitch
220V Keyswitch (German)
110V Pump
220V Pump
Zonecheck Replacement Kit
System Sensor Sales and Service
System Sensor Headquarters
3825 Ohio Avenue
St. Charles, IL 60174
Ph: 800/SENSOR2
Fx: 630/377-6495
Documents-on-Demand
800/736-7672 x3
www.systemsensor.com
System Sensor Canada
Ph: 905.812.0767
Fx: 905.812.0771
System Sensor Europe
Ph: 44.1403.276500
Fx: 44.1403.276501
System Sensor in China
Ph: 86.29.524.6253
Fx: 86.29.524.6259
System Sensor in Singapore
Ph: 65.6273.2230
Fx: 65.6273.2610
System Sensor – Far East
Ph: 85.22.191.9003
Fx: 85.22.736.6580
System Sensor – Australia
Ph: 613.54.281.142
Fx: 613.54.281.172
System Sensor – India
Ph: 91.124.637.1770 x.2700
Fx: 91.124.637.3118
© 2003 System Sensor. The company reserves the right to change product specifications without notice.
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