Product Overview

M/MR SERIES APPLICATIONS TABLE
Model
Number
Max.
Current
Draw
(amps)
Application Function
CSA
Tested*
Inlet
Pressure
Inlet Pressure
Operating
Limits
Upstream
Pressure
Regulator
Required
Maximum
Emergency
Exposure
Output Control Means
Standard Factory Setting (if applicable)
System
Used With
M411 M511 M611
0.4 0.5 0.6
Direct Fired (Negative
Pressure) Burners
Increase in voltage
corresponds to
increase in outlet
pressure
1/2 psi
(3.4 kPa)
Upstream
pressure
regulator
setting
Yes
2.5 psi
(17 kPa)
LowFire:adjustableoricebypass High Fire: upstream pressure regulator setting less pressure drop NOTE:7”w.c.(1.7kPa)maxoutletpressure
Series 14,
24, 44,
94, SC11,
DFM
M420
M420H
M520
M520H
M620
M620H
0.4 0.7 0.5
0.85
0.6 1.0
Atmospheric Burners
H Models for higher
outlet pressures (such
as LP applications)
Increase in voltage
corresponds to
increase in outlet
pressure
1/2 psi
(3.4 kPa)
Upstream
pressure
regulator
setting
Yes
2.5 psi
(17 kPa)
LowFire:adjustableoricebypass High Fire: upstream pressure regulator setting less pressure drop NOTE:7”w.c.(1.7kPa)maxoutletpressure NOTE:Hmodels:11”w.c.(2.7kPa)max outlet pressure
Series 3,
Series 94,
SC11
M451 M551 M651
0.4 0.5 0.6
Atmospheric Burners
- where higher outlet
pressures are needed
Increase in voltage
corresponds to
increase in outlet
pressure
1/2 psi
(3.4 kPa)
Upstream
pressure
regulator
setting
Yes
2.5 psi
(17 kPa)
LowFire:springadjustment Std.Model:1.2”-2.5”w.c.(0.30-0.62kPa) “-1”models:2”-4.5”w.c(0.50-1.1kPa) High Fire: upstream pressure regulator setting less pressure drop
Series 94,
SC11
MR251D
MR251E
MR251G
0.4
Atmospheric Burners
- where higher outlet
pressures are needed
Increase in voltage
corresponds to
increase in outlet
pressure
- -
5 psi
(34 kPa)
No 12.5 psi
(86kPa)
LowFire:springadjustment2”-4.5”w.c. (0.50-1.1 kPa) HighFIre:maximum7”w.c.(1.7kPa)above minimum setting
Series 94,
SC11
CSA
Rated**
Inlet
Pressure
MR212D
MR212E
MR212G
MR212J
0.4
Direct Fired (Negative
Pressure) Burners
Increase in voltage
corresponds to
increase in outlet
pressure
5 psi
(34 kPa)
5 psi
(34 kPa)
No
12.5 psi
(86kPa)
Lowre:adjustableoricebypass Highre:springadjustment High Fire Setting: Std.model:2-5”w.c.(0.50-1.25kPa) “-2”model:2”-5”w.c.(0.50-1.25kPa) reducedto0-3”w.c.(0-0.75kPa)
Series 14,
24, 44,
94, SC11,
DFM
MR410
MR410H-1
MR510
MR510H-1
MR610
MR610H-1
0.4 0.7 0.5
0.85
0.6 1.0
Atmospheric Burners
H-1 models for higher
outlet pressure (such
as for LP applications)
Decrease
in voltage
corresponds to
increase in outlet
pressure
1/2 psi
(3.4 kPa)
1 psi
(7 kPa)
No
2.5 psi
(17 kPa)
Lowre:springadjustment Highre:springadjustment Std.model:3”-5”w.c.(0.75-1.25kPa) max-4”w.c.(1.0kPa) “-1”model:min-1.5”w.c.(0.38kPa) max-4”w.c.(1.0kPa) ‘H-1’ model: minoutletpressure=1.75”w.c.(0.44kPa) maxoutletpressure=11”w.c.(2.7kPa) NOTE:‘H-1’models:7.5”to12”w.c.(1.87 to 3 kPa) max outlet pressure
Series 20,
21, 30, 31
* Where no ANSI standard currently exists, Maxitrol Controls have been CSA tested for use as a component of Maxitrol Selectra
®
systems.
**CSARatedInletPressuresareestablishedbyANSIZ21.18,CSA6.3,andCSA6.5standardswhereapplicable.
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