SHERLOCK 402
REFRIGERANT GAS LEAK MONITORING AND ALARMING SYSTEM
TYPICAL MACHINE ROOM INSTALLATION
SHER402 P/N 60-0102-00; SHER402-R P/N 60-0102-ZN; SHER402-MB 60-0102-MB 09-10-19
The SHERLOCK 402 (SHER402) Monitoring System
was designed to monitor up to four SHERLOCK Refrigerant
Gas Sensors, activating up to two alarms based upon
user defined alarm level setpoints. The SHERLOCK 402
is compliant with ASHRAE 15-2019 and Mechanical Code
requirements for refrigerant gas monitoring.
NEMA 1 Compliant Enclosure - This enclosure is
intended for indoor use only primarily to provide a degree
of protection against contact with the enclosed equipment.
The enclosure is not designed to provide protection from
water or to be placed in a hazardous environment. Mount
only in Pollution Level 2 environments, ie. environmentally
controlled offices, control rooms, or environmentally con-
trolled machine rooms.
Power Input 85 - 240V AC, 50/60 Hz, 2.5 Amp
Inputs Up to 4 Sherlock Sensors: Cmos, Ir
or
Up to three Sherlock Sensors and
One Oxygen Deprivation Sensor
Outputs Six (6) SPDT, 250VAC / 30V DC,
5.0 amp relays, Two (2) relays each,
Level 1, 2 & System.
Auxiliary 12V DC Output
Optional: Auxilliary (Zone cutoff) relays (SHER402-R)
Optional: Modbus RS485 RTU Communications (-MB)
Setback 24 Hour Time Clock
Two Dry Contact Digital Inputs
Alarms Two Alarm Levels, One Fault Level,
Two SPDT Relay per Level, Fuse
On Common Terminal. One relay on
each alarm level can be silenceable
when in alarm. Zone isolation alarm
relays can activate at either level.
Operating Environment
Temperature 32°F To 122°F (0°C To 50°C)
Humidity 0 To 95% RH Non-condensing
Display 2 Line By 20 Character alphanumer-
ic Backlighted LCD display
Keypad 5 Tactile Pushbuttons: Scroll Up,
Scroll Down, Alarm Silent/Clear,
Select/Edit/Change, Exit
Alarm Indicators
Display Name And Current Reading Of
Alarming Sensor
Buzzer Built-in Piezo-electric, 90db @10ft,
Silenceable
Optional Strobe, Factory Mounted on Unit
Listings ETL, Conforms to UL Std. 61010-1
CAN/CSA C22.2 Std. No. 61010-1
Warranty 15 Month Limited
GENESIS INTERNATIONAL, INC.
Nema/IP Size Electrical Pollution
Model # Rating Inches (mm) Category Protection
SHER402 1 12 x 9.5 x 5 II 2
(305 x 241 x 127)
SHE RLOCK
INFRARED
TM
GENESIS INTERNATIONAL INC.
SENSOR for REFRIGERANT GAS
104 0 F ox Chas e Indu stria l D r. A rnold , M O. 6 3010
SENSOR A
POWER LIGHT
SE NSOR M ODU LE
SH E
R
L
OC K
SHE RLOCK
INFRARED
TM
GENESIS INTERNATIONAL INC.
SENSOR for REFRIGERANT GAS
104 0 F ox Chas e Indu stria l D r. A rnold , M O. 6 3010
SENSOR B
INFRARED SENSORS OPTIONAL
EXIT
SELECT
CHANGE
PRESS TO
SILENCE
ACTIVE
ALARM
SENSOR
B
SENSOR
A
SENSOR
C
SENSOR
D
SENSOR
F
SENSOR
E
ALARM
SILENCED
WHEN LIT
SENSOR
H
SENSOR
G
ALARM ACTIVE WHEN LIT
REFRIGERANT GAS
MONITORING SYSTEM
SENSOR ALARM STATUS
POWER LIGHT
SE NSOR M ODU LE
SH E
R
L
OC K
POWER LIGHT
SE NSOR M ODU LE
SH E
R
L
OC K
POWER LIGHT
SE NSOR M ODU LE
SH E
R
L
OC K
SHE RLOCK
INFRARED
TM
GENESIS INTERNATIONAL INC.
SENSOR for REFRIGERANT GAS
104 0 F ox Chas e Indu stria l D r. A rnold , M O. 6 3010
SENSOR C
SHE RLOCK
INFRARED
TM
GENESIS INTERNATIONAL INC.
SENSOR for REFRIGERANT GAS
104 0 F ox Chas e Indu stria l D r. A rnold , M O. 6 3010
SENSOR D
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