WarmFlo EMB-H Specifications Sheet
05/27/2010 BL306
STANDARD EQUIPMENT
Specification Data Sheet - Mini-Boiler
TM
Specifi cations subject to change without notice,
all rights reserved.
WATER FLOW REQUIREMENTS (MINIMUM 1 GPM WATER FLOW THROUGH BOILER)
Model
Water Temperature Rise
Flow - 10° F/6° C Head Loss Flow - 20° F/11° C Head Loss Flow - 30° F/16° C Head Loss
gpm lpm ft m gpm lpm ft m gpm lpm ft m
EMB-S-1
.75
†
2.83
†
.01 .003
.37
†
1.39
†
.003 .001
.25
†
1.89
†
.003 .001
EMB-S-2 1.7 6.43 .01 .006
.85
†
3.21
†
.02 .006
.56
†
2.11
†
.004 .001
EMB-S-4 3.41 12.88 .08 .024 1.70 6.42 .04 .012 1.13 4.27 .02 .006
EMB-*-5 3.07 11.60 .06 .018 1.53 5.78 .02 .006 1.02 3.85 .02 .006
EMB-*-7 4.78 18.06 .12 .036 2.39 9.03 .06 .01 1.59 6.01 .02 .006
EMB-*-9 6.14 23.20 .23 .07 3.07 11.60 .10 .03 2.04 7.71 .06 .018
* = S or H
†Result below minimum required fl ow of boiler, make sure system design provides minimum fl ow requirements of boiler.
Note: Head Loss based on 110° F return temperature.
ELECTRIC SUPPLY
Model Volts Watts Amps kW Phase Btu/h CB
EMB-S-1 120 1,100 9.17 1.1 1-60 3,754 N/A
EMB-S-2 120 2,500 20.83 2.5 1-60 8,532 N/A
EMB-S-4 120 5,000 41.67 5 1-60 17,065 N/A
EMB-*-5 240 4,500 18.75 4.5 1-60 15,358 30A
EMB-*-7 240 7,000 29.17 7 1-60 23,891 45A
EMB-*-9 240 9,000 37.5 9 1-60 30,717 60A
* = S or H
SHIPPING WEIGHT
Model Weight (lbs)
EMB-S-1 44
EMB-S-2 44
EMB-S-4 44
EMB-*-5 45
EMB-*-7 46
EMB-*-9 46
CLEARANCES
MINIMUM CLEARANCE FROM SUGGESTED MINIMUM
COMBUSTIBLE SURFACES SERVICE CLEARANCE
BACK 0 INCH 0 MM 0 INCH 0 MM
LEFT 1 INCH 25 MM 6 INCHES 152 MM
RIGHT 1 INCH 25 MM 6 INCHES 152 MM
FRONT 1 INCH 25 MM 24 INCHES 610 MM
TOP 1 INCH 25 MM 24 INCHES 610 MM
BOTTOM REQUIRED CLEARANCE - 18 INCHES/450 MM
Staging - EMB-S-*
▪ Supply water sensing
▪ Regulates to front panel selected temperature
▪ Temperature range 90° F to 160° F
▪ Staging indicator lights
▪ DC Power Relays
▪ Hi-limits: 1
st
- automatic reset at 190° F
2
nd
- manual reset at 205° F
▪ Circulator switching relay - 10-amp maximum
▪ Thermostat or end switch connection (R and W)
▪ Utility load control provisions
▪ 1 gl. Steel vessel ASME “H” Stamp (20-year warranty*)
▪ Supply temperature/pressure gauge
▪ Safety relief valve (30 PSI)
▪ Made in the USA
Modulating - EMB-H-*
▪ Same as EMB-S-*
PLUS
▪ Modulates at a tighter temperature control
▪ Temperature range 90° F to 180° F