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Chapter 10
CHAPTER 10 - START-UP PREPARATION
10.1. Boiler System Fluid Requirements
Requirements below must be met for warranty
coverage of INSTINCT heat exchangers. A thor-
ough cleaning of any existing system, using
approved heating system cleaning agents is re-
quired prior to installation of the INSTINCT boil-
er. System should be treated with an approved
inhibitor after filling for long term protection.
Do not use petroleum-based cleaning or seal-
ing compounds in the boiler system. Dam-
age to seals and gaskets in the system com-
ponents can occur, resulting in substantial
property damage, serious injury, or death.
System fluid including additives, must be prac-
tically non-toxic, having a toxicity rating or
Class of 1, as listed in Clinical Toxicology of
Commercial Products.
10.1.1 Boiler Fluid pH Level 6.0 to 8.0
Maintain the boiler uid pH between 6.0 and 8.0. Check
using litmus paper or contact a water treatment com-
pany for a chemical analysis.
If the pH does not meet this requirement, do not oper-
ate the INSTINCT or leave the unit lled until the condi-
tion is corrected.
10.1.2 Boiler Fluid Hardness Less Than 7 Grains
For areas with unusually hard water (hardness above 7
grains) consult a water treatment company.
NOTICE
WARNING
NOTICE
10.1.3 Chlorinated Water
Do not use the INSTINCT to heat a swimming pool or
spa directly.
Maintain the chlorine level of the water at levels consid-
ered safe for drinking.
10.1.4 Flush Boiler to Remove Sediment
The installer must ush the boiler system to remove any
sediment to allow proper operation of the INSTINCT .
Flush the system until the water runs clean and is free
of sediment.
For zoned systems, each zone should be ushed
through a purge valve. Purge valves and isolation
valves should be installed on each zone to allow proper
ushing of the system.
10.1.5 Cleaning of Old Boiler/System:
• Drain the existing system.
• Fill system with fresh water and cleaner, place exist-
ing boiler in operation and run all zones.
• Follow manufacturer’s instructions for proper clean-
er concentration and proper cleaning time.
• Thoroughly drain and ush system with fresh water
after cleaning.
• Install new boiler and ll system with fresh water
and proper amount of inhibitor.
• Verify pH and inhibitor level per inhibitor manufac-
turer’s specs; add inhibitor if necessary.
10.1.6 Cleaning of New Boiler/System:
• Install new boiler and ush system with clean water
to remove any debris.
• Fill system with fresh water and proper amount of
inhibitor.
• Verify pH and inhibitor level per inhibitor manufac-
turer’s specs; add inhibitor if necessary.
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