EB-M Spec Sheet

MINI-BOILER SERIES
STANDARD EQUIPMENT
▪ Controls and control wiring terminals
▪ LED indicator lights
▪ DC Power Relays
▪ Hi-limits: 1
st
- automatic reset
2
nd
- manual reset
▪ Circulator switching relay - 10-amp maximum
▪ Thermostat or end switch connection (R and W)
▪ Load management control provisions
▪ Heavy duty sheet metal enclosure
▪ 1 gl. Steel vessel ASME “H” Stamp (20-year
warranty)
▪ Supply pressure/temperature gauge
▪ Safety relief valve (30 PSI)
▪ Heating elements (20-year warranty)
▪ 2-year parts warranty
▪ Supply water sensing
▪ Temperature range 90° F to 160° F
EMB-H-**
▪ Senses target supply temperature and
modulates electric element
▪ Temperature range 90° F to 180° F
WATER FLOW REQUIREMENTS (MINIMUM 0.3 GPM PER KW 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-*-1 .75 2.83 .01 .003 .37 1.39 .003 .001 .25 1.89 .003 .001
EMB-*-2 1.7 6.43 .01 .006 .85 3.21 .02 .006 .56 2.11 .004 .001
EMB-*-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
Note: Head Loss based on 110° F return temperature.
ELECTRIC SUPPLY
Model Volts Phase kW Watts Btu/h Amps CB
EMB-*-1 120 1-60 1.1 1,100 3,753 9.2 N/A
EMB-*-2 120 1-60 2.5 2,500 8,530 20.8 N/A
EMB-*-4 120 1-60 5 5,000 17,060 41.7 N/A
EMB-*-5 240/208 1-60 4.5/3.5 4,500/3,500 15,354/11,942 18.8/16.8 30A
EMB-*-7 240/208 1-60 7/5.3 7,000/5,300 23,885/17,913 29.2/25.2 45A
EMB-*-9 240/208 1-60 9/7 9,000/7,000 30,709/23,885 37.5/33.7 60A
* = S or H
CLEARANCES
MINIMUM CLEARANCE FROM
COMBUSTIBLE SURFACES
SUGGESTED MINIMUM
SERVICE CLEARANCE
BACK 0 INCH 0 MM 0 INCH 0 MM
LEFT 1 INCH 25 MM 12 INCHES 305 MM
RIGHT 1 INCH 25 MM 12 INCHES 305 MM
FRONT 1 INCH 25 MM 24 INCHES 610 MM
TOP 1 INCH 25 MM 24 INCHES 610 MM
BOTTOM REQUIRED CLEARANCE - 18 INCHES/457 MM
18"
457
10 1/2"
266
635
25"
705
27
3/4"
584
23"
9 1/2"
243
IN
OUT
217
8 5/8"
221
8 5/8"
53
2 1/8"
2 3/8"
59
3/4"-1/2" CONDUIT
MINIMUM CLEARANCE
FROM FLOOR
3/8" THERMOSTAT WIRE OPENING
36
3 1/4"
1 3/8"
84
35
49
1 7/8"
106
4 1/8"
163
6 3/8"
1 3/8"
7 7/8"
201
CONDUIT
2X 3/4"-1/2"
MOUNT THIS END UP
3/4" NPT
3/4" NPT