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Part number 550-100-260/0520
42
ECO
®
Tec
GAS-FIRED WATER BOILER – 80/110/150/199 BOILER MANUAL
Install boiler water piping (continued)
General Piping Information
Head Loss through Boiler – Tables 4 and 5
Table 5 ECO
Tec Combi
Flow
(GPM)
80/110 C 150 C 199 C
Head Loss
(ft. w.c.)
Head Loss
(ft. w.c.)
Head Loss
(ft. w.c.)
4 0.2 -- --
6 1.6 1.0 --
8 3.1 3.3 3.3
10 4.6 5.6 5.6
12 6.1 7.8 7.9
14 -- 10.1 10.2
16 -- 12.4 12.5
18 -- -- 14.9
20 -- -- 17.2
Table 4 ECO
Tec Heat Only
Flow
(GPM)
80/110 HO 150 HO 199 HO
Head Loss
(ft. w.c.)
Head Loss
(ft. w.c.)
Head Loss
(ft. w.c.)
6 1.0 –– ––
8 2.2 1.3 0.4
10 3.4 3.1 2.6
12 4.5 4.8 4.7
14 -- 6.6 6.8
16 -- 8.3 8.9
18 -- -- 11.0
20 -- -- 13.1
0.0
2.0
4.0
6.0
8.0
10.0
12.0
14.0
0 5 10 15 20
Head Loss (ft w.c.)
Flow (gpm)
Head Loss Through Boiler (Heat Only Unit)
80/110 HO
150 HO
199 HO
0.0
2.0
4.0
6.0
8.0
10.0
12.0
14.0
16.0
18.0
20.0
0 5 10 15 20
Head Loss (ft w.c.)
Flow (gpm)
Head Loss Through Boiler (Combi Unit)
80/110 Combi
150 Combi
199 Combi
Internal Circulator
This boiler is equipped with an internally installed Taco 0015e3 boiler circulator. In some piping systems, this circulator will provide
enough head for a direct connect system. See instructions starting on page 46 for Direct Connect System Piping. In all other cases,
this circulator will provide the proper boiler flow for a primary/secondary system piping. See instructions starting on page 50 for
Primary/Secondary System Piping.
The Taco 0015e3 is a variable speed, high-efficiency wet rotor circulator with an ECM permanent magnet motor that has three
different positions: LOW, MEDIUM, and HIGH. This circulator comes set at HIGH. This is the ideal setting for this boiler in most
cases. In some installations, the speed can be reduced, if the boiler temperature rise is smaller than the desired rise at the boiler’s
maximum input.
LED COLOR STATUS
ORANGE CIRCULATOR ON
FLASHING WHITE
AIR BOUND OR CAVITATION
RED BLOCKED
OFF CIRCULATOR OFF
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