44-00-0297 SHERLOCK102/202 REV. 4.1 05-02-15
9
OVERVIEW
The SHERLOCK Monitoring System was designed to monitor
up to two SHERLOCK Refrigerant Gas Sensors, activating up
to two alarms based upon user defined alarm level setpoints.
The SHERLOCK is compliant with ASHRAE 15-2010 and
Mechanical Code requirements for refrigerant gas monitoring.
Nema/IP Size Electrical Pollution
Model # Rating Inches (mm) Category Protection
SHER102 1 7.25 x 8.0 x 3.0 I 2
SHER202 (184 x 203 x 76)
SHER102-4 4X/IP67 12.3 x 15.0 x 8.2 II 3
SHER202-4 (305 x 356 x 178)
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 controlled machine rooms.
NEMA 4X Enclosure - This enclosure is intended for either
indoor or outdoor use, 0 to 50 °C, to provide a degree of pro-
tection against corrosion, windblown dust and rain, splashing
water, and hose directed water.
Power Input 100 to 250 VAC, 50/60 Hz, 0.8 Amp
Inputs Up to two Refrigerant Sensors:
or
One Refrigerant Sensor and/or
One Oxygen Depletion Sensor
Outputs Four (4) SPDT, 250V AC / 30V DC,
5.0 Amp Alarm Relays
Optional Zone Isolation Alarm Relays
Optional 4-20mA Analog Signal
Optional RS-485 for GenCom or Modbus
Setback 24 Hour Time Clock
Two Dry Contact Digital Inputs
Alarms Two Alarm Levels, Two SPDT Relay per
Level, Fuse On Common Terminal. One
relay on each alarm level can be silenceable
when in alarm. Optional zone isolation alarm
relay for each sensor.
Control Operating Environment
Temperature 32°F To 120°F (0°C To 50°C)
Humidity 0 To 95% RH Non-condensing
Display 2 Line By 16 Characters Alphanumeric
Backlighted LCD display
Keypad 5 Tactile Pushbuttons
Scroll Up, Scroll Down, Alarm Silent/Clear,
Select/Edit/Change, Exit Function-Menu
Alarm Indicators
Display Name & Current Reading Of Alarming
Sensor
Buzzer Built-in Piezo-electric, 90db @10ft (3.05M),
Silenceable
Light Built-in Flashing red Light on front panel
SHERLOCK 102 / 202
CONTROL MODULE
NEMA 4X TYPE ENCLOSURE
(SHER102-4 & SHER202-4)
CONTROL MODULE
NEMA 1 TYPE ENCLOSURE
(SHER102 & SHER202)
Listings ETL, Conforms to UL Std. 3111-1
Certified to CAN/CSA
C22.2 Std. No. 1010.1
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