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Arctic Installation and Operation Manual
P/N 105641-01
40 F Δ T Flow Rate
Model
gpm
ARC1000
48
ARC1500
71
ARC2000
95
ARC2500
119
ARC3000
143
ARC3500
166
ARC4000
190
ARC4500
214
ARC5000
238
ARC5500
261
ARC6000
285
Table 11 Water Flow Rates for Primary /
Secondary Pumping 40F
3.5.4.3 Water Flow Rates (Constant
Volume Primary Pumping Systems)
A constant volume primary pumping system
shall be sized so that the flow rate specified in
Table 12 can be maintained through each
boiler connected to the system.
26
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High
Low
Δ P
Fire
Fire
(ft)
Δ T
Δ T
3.18
40F
8F
2.3
40F
8F
4.08
40F
8F
5
40F
8F
7.18
40F
8F
2.67
40F
8F
3.17
40F
8F
6.25
40F
8F
7.92
40F
8F
9.25
40F
8F
9.42
40F
8F
Δ
T
Maximum Flow Rate
Model
gpm
ARC1000
95
ARC1500
143
ARC2000
190
ARC2500
238
ARC3000
285
ARC3500
333
ARC4000
380
ARC4500
428
ARC5000
475
ARC5500
523
ARC6000
570
Table 12: Water Flow Rates for Constant
Volume Primary Pumping
3.5.4.4 Water Flow Rates for Glycol
For glycol systems the gpm in Table 8, Table
9,
Table 10, Table 11, and Table 12 will increase
as specified in Table 13.
Glycol
Concentration
50%
30%
Table 13 GPM Increase for Glycol Systems
3.6
Before Placing Boiler In Operation
3.6.1 Pre-Boil Out Flushing Of System
Much of the dirt and contamination in a new
hot water system can be flushed out before
the boil out of the system. First, flush the
system of waste with clear water. The boiler
and circulating pumps must be isolated
through the successive zones of the system to
waste, carrying metal shavings, dirt, pipe joint
compound, etc. with it. Follow with a
chemical flush.
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Form: 2435-3
Revision: 10
Date: 12-1-2018
Δ P
High Fire
Δ T
(ft)
12.7
20F
9.2
20F
16.3
20F
20
20F
28.7
20F
11.33
20F
15.17
20F
25.17
20F
33.5
20F
37.25
20F
37.92
20F
GPM Percent Increase
24%
14%
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