Raypak 1505 - Manual (Page 6)

6
TYPE WH
1005 5,817 3,878 2,908 2,327 1,939 1,662 1,454 1,293 1,163 1,058 969 895 831 776
1505 8,733 5,822 4,367 3,493 2,911 2,495 2,183 1,941 1,747 1,588 1,456 1,344 1,248 1,164
2005 11,639 7,759 5,813 4,656 3,880 3,325 2,910 2,586 2,328 2,116 1,940 1,791 1,663 1,552
Temperature Rise (°F)
XTherm
Model
140 150 120 130 100 110 80 90 60 70 40 50 30 20
Recovery Rates
X
treme Pumping
Cold Water Run System
The XTherm comes standard with a state-of-the-art Cold Water Run system factory
mounted and plumbed. Raypak’s Cold Water Run system provides constant protection
against condensation in the primary heat exchanger. The system utilizes one or two vari-
able speed pumps, depending on model size and type, to inject just the right amount of
water from the main system loop into the boiler to maintain the optimum inlet tempera-
ture. This allows the full capacity of the boiler to be uti-
lized to meet the system load, while at the same time con-
tinuously maintaining the optimum inlet water tempera-
ture to prevent condensation in the primary heat exchang-
er. For models using the twin pump design, each pump
acts independently giving the boiler up to a 10:1 flow
turndown. All of this keeps the condensate were it
belongs, in the stainless steel secondary heat exchanger.
ULTRA HIGH EFFICIENCY