Designs, materials, weights and performance ratings
are approximate and subject to change without notice.
Visit
armstrong
international.com for up-to-date information.
Armstrong
International
221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA
Tel. (269) 279-3602 Fax. (269) 279-3130
Page 33 of 44
DRV40-80 Gen. 2 Troubleshoot Guide
Temperature Control Issues - Continued
Are there strainers in the
system & if so are they
clean?
Is the valve installed/piped
according to installation
instructions?
Are the checkvalves
installed holding correctly?
Is the valve installed in a
single temperature
loop/system (i.e. no high
temp kitchen loops)?
Issue addressed or Contact
Factory @ 269-279-3602
Install strainers on ALL
supply lines & remove
basket (not just blow
down) to clean
Re-pipe to ensure
installed per
instructions
Replace checkvalves
Ensure there are no
cross-connections w/
any higher/lower temp
loops
Yes
Yes
No
No
No
No
Yes
Yes
Yes
Summary of Contents for Digital-Flo DF41540
Page 45: ...Notes...
