Armstrong 320 Installation And Maintenance Manual - Page 19

Browse online or download pdf Installation And Maintenance Manual for Control Unit Armstrong 320. Armstrong 320 20 pages. Water temperature controls groups of fixtures - thermostatic
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5. Mixed water
temperature too high.
6. Mixed water
temperature too low.
7. Mixed water flow rate is
reduced.
8. Water leaking from
valve body.
a. Mixing Valve set too high and has not
been commissioned correctly.
b . M i x i n g Va l v e h a s n o t b e e n
commissioned correctly and was set
when the hot supply temperature was
too low.
c. Hot water is migrating into cold supply. See Item 4 above.
d. Thermostat not operating correctly.
a. Mixing Valve set too low and has not
been commissioned correctly.
b. Hot water heat is not keeping up with
demand.
a. Partially occluded inlet screens/filters
or partially blocked inlet fittings.
b. Inlet supply pressure has fallen.
c. Accumulated pressure losses within
the system are too high.
a. Seals worn or damaged.
Refer to Commissioning - Rectify.
Refer to Commissioning - Rectify.
Replace Cartridge.
Refer to Commissioning - Rectify.
Check-Rectify.
Refer to Servicing/Maintenance - Rectify.
Check-Rectify.
Refer to a trained and appropriate
authority for system sizing assistance.
Obtain Seal Pack and renew all seals.
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