13
1
2
3
4
6
5
5. Tankless Coil Installation
(Continued....)
When Installing the coil:
Use cross pattern tightening
Figure 1.1
100mg/l max hardness 6.5-8 PH
100 PPM or less TDS
1.5mg/l max free chlorine
Recommend flushing coil with a
compatibile coil cleaner solution
annually.
Coil cleaning and domestic water
qualtiy recommendations:
Using a
17mm
Socket/wrench:
Start to tighten at spot 1, then move to
spot 2 and so on......
DO NOT OVER TIGHTEN!
NOTE: After boiler is warmed up to
temperature, retighten the nuts in the
same cross pattern.
NOTE: Recomended initial low limit
setting is 160
°
F
