Mini Merlin Installation, Operation & Maintenance
Rev: 03 05-22
15
Specification
General
Model:
Mini Merlin CH4CO v2 FL
Target Gases:
Methane/Natural Gas & Carbon Monoxide
Size: (H x W x D)
5.95 x 4.37 x 1.97
” (1
51 x 111 x 50mm)
Housing Material:
ABS PA765 (Flame Rating UL94 V-1)
Mounting:
Safe Zone - Indoor use - Wall Mounted
Weight:
12.24oz (0.347kg)
User Interface
Display:
1.8” TFT
Screen Brightness:
Non-Adjustable
Visual Indicators:
TFT visual. Green: Normal; Yellow: Pre-Alarm; Red: Alarm
Audible Alarm:
>70dB @ 3.28ft (1m). Quiet conditions.
Buttons:
Multi-Function
–
Initial Start / Reset / Circuit Test
Language:
English
Power Supply
Power Consumption:
3W max
AC Power:
100-120V~ 50/60Hz
Internal Fuse:
Anti-Surge 3.15A 250Vac
Equipment
Overvoltage Category:
II
Pollution Degree:
2
Relays
Volt Free BMS relay output:
0.5A switching current (resistive load)
Environmental
Ingress Protection:
Not Formally Evaluated
Operating:
-10 ~ 50°C / 14 ~ 122°F 30 ~ 80% RH (non-condensing)
Storage:
-25 ~ 50°C / -13~122F° up to 95% RH (non-condensing)
Altitude Rating:
2000m
Wiring
Typical
Min. 18AWG / 75°C min / Tinned copper.
Approvals
Electrical Safety and
Electromagnetic Compatibility
UL61010-1/2012/R:2019-07.
CAN CSA C22.2 No. 61010-1-12/A1:2018-11
EMC EN 61326-1:2013
Sensor Specification
Gas Sensor
Indicating
Range
Steps
Response
(t90)
Recovery
(t10)
Alarm: 1
(Pre alarm warning)
Alarm: 2
*EOL
(Years)
Electrochemical Sensors
Carbon Monoxide (CO)
0-999ppm
1
<60s
<60s
▲
25ppm
▲50
ppm
5
Semiconductor Sensors
Methane (CH
4
)
0-20% LEL
0.1
<30s
<30s
▲
8% LEL
▲
10% LEL
10
▲ Rising Alarm ▼Falling alarm
*EOL
–
Expected Operational Life
