FTIIC-6 - Datasheets
FTIIC-6
LOW NOx, HIGH EFFICIENCY,
HOT WATER SUPPLY AND
HYDRONIC HEATING BOILERS
Futera II Series hot water supply boilers, now
available with appealing, corrosion-resistant,
brushed stainless steel jacket, provide dependable
performance with 85% efficiency, non-condensing
with industry-leading NOx levels of less than
10 ppm.
Quality components include a rugged heat
exchanger with bronze headers and fittings
that prevent rust and corrosion
for the life of the heater.
Finned tubes are industrial
grade copper with fins and
tubewalls formed as one,
providing better heat transfer.
Each tube is rolled into all-bronze
headers – standard on all
Futera II boilers. The tubes are
individually field replaceable.
The heat exchanger is superior
in design, durability and
serviceability – each is hydrostatically tested,
approved and stamped for 160 psi
ASME operation.
Compact, low maintenance design
and venting flexibility permit easy
installation and service. All solid
reasons to make the Futera II your
future choice for virtually any
domestic hot water or hydronic
space heating application.
Futera II Series boilers and water heaters
are also available with corrosion-resistant,
brushed stainless steel jacket. Ideal for
outdoor or indoor installation in harsh
environments such as coastal areas and
processing applications requiring wash down.
ON
OFF
BOILER
DIAGNOSTICS
IGNITION
STATUS
HIGH
LIMIT
CALL FOR
LOW FIRE
LOW
WATER
CALL FOR
HIGH FIRE
LOW AIR
FLOW
TRIAL
IGNITION
FLAME
FAILURE
MAIN
BURNER
OPERATING CONTROL
RBI
K1
K2
RBI Temperature Controller
SP Setpoint or Target Temperature:
The Setpoint is the inlet water temperature that the operating control will
try to match by staging the boiler between ‘Off’, ‘Stage 1’ and ‘Stage 2.’
D1 Boiler Differential:
The Boiler Differential is centered around the setpoint so that when the sensor
reads 1/2 of D1 below the setpoint, Stage 1 will be energized. When the
sensor reads a temperature 1/2 of D1 above the setpoint, stage will turn off.
D2 Interstage Differential:
The Interstage Differential is the difference in temperature between Stage 1
being called on, and Stage 2 being called on.
Smart Service Design
A Honeywell RM Series Flame Safeguard, limit
controls and terminal strips are neatly arranged
and easily accessible in the front-facing panel.
Advanced Diagnostic
System
The Futera II features an easy-to-read
LCD display that provides clear
indication of inlet water temperature
or setpoint in Fahrenheit or Celsius.
The display also provides information
for setting temperature control
parameters. Advanced troubleshooting
and self-diagnostic control provides
a step-by-step cycle of operation.
Each step is automatically tested
and indicated, allowing for simplified
and less costly troubleshooting.
Proven Pilot Ignition
System
The Futera II Series uses a proven pilot
with interrupted spark ignition and
UV flame detection. The UV detector
and igniter assembly provide highly
reliable ignition and easy service. This
important design feature provides
long-life reliability. An observation
port allows easy inspection of the
flame at the top of the boiler.
HOURLY RECOVERY CAPACITY ∆ T (GPH & LPH)
Model
500
750
1000
1250
1500
1750
1950
40° F
1,276
1,913
2,551
3,189
3,827
4,464
4,974
22° C
4,828
7,243
9,657
12,071
14,485
16,899
18,831
60° F
850
1,276
1,701
2,126
2,551
2,976
3,316
33° C
3,219
4,828
6,438
8,047
9,657
11,266
12,554
80° F
638
957
1,276
1,594
1,913
2,232
2,487
Temperature
44° C
100° F
2,414
510
3,621
765
4,828
1,020
6,035
1,276
7,243
1,531
8,450
1,786
9,415
1,990
56° C
1,931
2,897
3,863
4,828
5,794
6,760
7,532
120° F
425
638
850
1,063
1,276
1,488
1,658
67° C
1,609
2,414
3,219
4,024
4,828
5,633
6,277
140° F
364
547
729
911
1,093
1,276
1,421
78° C
1,380
2,069
2,759
3,449
4,139
4,828
5,380
TEMPERATURE RISE/PRESSURE DROP
Temperature Rise Across Heat Exchanger
20° F
11.1° C
25° F
13.9° C
30° F
16.7° C
35° F
19.4° C
Model Flow Rate Pres. Drop Flow Rate Pres. Drop Flow Rate Pres. Drop Flow Rate Pres. Drop Flow Rate Pres. Drop Flow Rate Pres. Drop Flow Rate Pres. Drop Flow Rate Pres. Drop
GPM
Ft.
l/s
kPa
GPM
Ft.
l/s
kPa
GPM
Ft.
l/s
kPa
GPM
Ft.
l/s
kPa
500
42.5
.53
2.7
1.5
34.0
0.35
2.1
1.0
–
–
–
–
–
–
–
–
750
63.8
1.57
4.0
4.6
51.0
1.04
3.2
3.1
42.5 0.70
2.7
2.2
36.4
0.60
2.3
1.6
1000
85.0
3.44
5.4
10.1
68.0
2.27
4.3
6.7
56.7 1.60
3.6
4.8
48.6
1.20
3.1
3.6
1250 106.3
2.11
6.7
6.2
85.0
1.40
5.4
4.1
70.8 1.00
4.5
2.9
60.7
0.70
3.8
2.2
1500 127.5
3.57
8.0
10.5
102.0
2.36
6.4
7.0
85.0 1.70
5.4
5.0
72.9
1.30
4.6
3.7
1750
–
–
–
–
119.0
3.67
7.5
10.8
99.2 2.60
6.3
7.7
85.0
2.00
5.4
5.8
1950
–
–
–
–
132.6
5.14
8.4
15.1
110.5 3.70
7.0
10.8
94.7
2.80
6.0
8.1
FUTERA II RATINGS
Input
Model
MBH
500
750
1000
1250
1500
1750
1950
500
750
1000
1250
1500
1750
1950
Output
KW
147
220
293
366
440
513
571
MBH
425
638
850
1063
1275
1488
1658
Net I=B=R
Shipping Weight
NOx
AMP
KW
MBH
KW
PPM
DRAW
Lbs.
Kgs.
125
187
249
311
374
436
486
366
550
733
915
1099
1283
1429
107
161
515
268
322
376
419
9.3
8.8
8.0
8.9
9.3
9.1
9.1
5.9
5.9
5.9
8.7
8.7
10.7
10.7
421
550
560
615
678
738
817
191
250
254
279
308
335
371
NOTE: Certified South Coast Air
Quality Management District
(SCAQMD) Protocol Rule
1146.2; Ventura County
APCD Rule 74.11.1
FUTERA II PUMPING PERFORMANCE REQUIREMENTS
Water
Hardness
Soft
Normal
Hard
Heat
Exch.
Type
CuNi
Copper
CuNi
Model
FW-500
FW-750
FW-1000
FW-1250
FW-1500
FW-1750
FW-2000
GPM
37
37
37*
52*
52*
52*
52*
∆P
∆T
0.42
0.59
0.75*
0.57*
0.69*
0.81*
0.92*
23.0
34.0
45.0*
40.0*
49.0*
57.0*
63.0*
GPM
75
75
75
105
105
105
105
∆P
∆T
1.50
2.11
2.72
2.07
2.49
2.91
3.33
11.0
17.0
23.0
20.0
24.0
28.0
32.0
GPM
90
90
90
131
131
131
131
∆P
∆T
2.11
2.96
3.82
3.12
3.76
4.40
5.04
9.0
14.0
19.0
16.0
19.0
23.0
25.0
*Special Requirements – call factory or representative
∆T = Temperature Change = (Outlet Temp. – Inlet Temp.)
in F°.
∆P = Head Loss = (Inlet Pres. – Outlet Pres.) in feet of
Water Column.
To achieve the proper flow rate, adjust outlet valve on
heater piping to obtain the correct ∆T.
Call factory if grains or hardness is less than 3 or
greater than 24 ppm.
STANDARD FEATURES
• Flame safeguard control
• 85% efficient
• Bronze headers
• Finned copper tube heat exchanger, ASME
160 psi max WP, 4-pass design
• Gasketless heat exchanger assembly
• Stainless steel combustion chamber
• 2-stage digital operator
• Special alloy burner
• Less than 10 ppm NOx
• SCAQMD Rule 1146.2
• Compact, low maintenance design
• Venting flexibility
• CSA Design Certified & Listed (formally)
AGA/CGA
• Proven pilot (UV flame detection)
Gas Orifice
• Factory installed ASME relief valve
Pre-Mixing
Gas/Air Box
• Outlet thermometer
• High limit control with manual reset
Flame Safeguard
Control
• Factory mounted and wired flow switch
• Low air pressure switch
• Easy access to all components
Air Intake Fan
• 5-year limited heat exchanger
warranty on water heaters,
10-year on boilers
Brass Water
Connections
• Heat exchanger drain
• National Board Certified
• Pump delay relay
• CSD-1 and FM compliant
gas train
Flame Probe
Sensor
Proven Pilot
System
Vent
OPTIONAL EQUIPMENT
• Cupro-nickel finned-tubes
• Outdoor installation
All Bronze
Headers
Special Alloy
Burner
Stainless Steel
Combustion Chamber
Finned Copper Tube
Heat Exchanger
Heat Exchanger “V”
Baffles
• Thru-wall venting
• Direct venting
• Stainless steel jacket
• Barometric damper
• On-Off firing
• Freeze protection package
Drain Cock
Stainless Steel Base
ON
OFF
BOILER
DIAGNOSTICS
IGNITION
STATUS
HIGH
LIMIT
CALL FOR
LOW FIRE
LOW
WATER
CALL FOR
HIGH FIRE
LOW AIR
FLOW
TRIAL
IGNITION
FLAME
FAILURE
MAIN
BURNER
OPERATING CONTROL
RBI
K1
K2
FUTERA II DIMENSIONS
A
Model
500
750
1000
1250
1500
1750
1950
In.
43
491 ⁄2
56
51
551 ⁄2
60
641 ⁄2
B
mm
1092
1257
1422
1295
1410
1524
1638
In.
21 1 ⁄4
21 1 ⁄4
21 1 ⁄4
25 1 ⁄2
25 1 ⁄2
25 1 ⁄2
25 1 ⁄2
C
mm
540
540
540
648
648
648
648
In.
371 ⁄2
43 3 ⁄4
51
44
481 ⁄2
531 ⁄4
573 ⁄4
MEA-449-99E
In the interest of product improvement, RBI reserves
the right to make changes without notice.
D
mm
953
1111
1295
1118
1232
1353
1467
In.
113 ⁄4
143 ⁄4
18
17
19
21
233 ⁄4
E
mm
298
375
457
432
483
533
603
In.
8
10
10
12
12
14
14
F
mm
203
254
254
305
305
356
356
In.
6
8
9
10
10
12
12
mm
152
203
229
254
254
305
305
G
In.
261 ⁄4
33
391 ⁄4
32
361 ⁄2
41
451 ⁄2
mm
667
838
997
813
927
1041
1156
H
In.
1
1
11 ⁄4
11 ⁄4
11 ⁄4
11 ⁄2
11 ⁄2
I
In.
2
2
2
21 ⁄2
21 ⁄2
21 ⁄2
21 ⁄2
1300 Midway Blvd., Mississauga, Ontario L5T 2G8
Tel. (905) 670-5888
Fax (905) 670-5782
260 North Elm Street, Westfield, MA 01085
Tel. (413) 568-9571
Fax (413) 568-9613
www.rbiwaterheaters.com
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