Honeywell AQ250 Series Quick Installation Manual page 11
Hydronic control panels
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Also See for AQ250 Series:
- Product data (20 pages) ,
- Technical reference booklet (304 pages)
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a. For the first Zoning Module - which is included as
part of the AQ250 Control Panel, make sure that
DIP switch #1 is set to the right hand position (the
factory default setting) and DIP switches #2-4 are
set to the left.
b. For the second Zoning Module connected to the
AQ1500 Control Module, make sure that DIP switch
#2 is set to the right hand position and DIP switches
#1, 3, and 4 are set to the left.
c. For the third Zoning Module connected to the
AQ1500 Control Module, make sure that DIP switch
#3 is set to the right hand position and DIP switches
#1, 2, and 4 are set to the left.
NOTE:Since AQ250 Control Panels have TWO
banks of DIP switches - one for the Control
Module and one for the Zoning Module - be
careful not to get the removable covers for
these DIP switches mixed up. Mixing up the
covers could result in setting the correspond-
ing Modules' DIP switches incorrectly if fol-
DIP #
1
DHW Device - Pump or Valve
2
DHW Priority - OFF or Priority
3
DHW Priority Override - OFF or Override
Boiler post purge location – "Purge" = DHW tank first, then zones;
4
"OFF" = zones only.
5
Aux output: "Main" = default; "Group" = group pump
6
Aux output: "Main" = default; "Bypass" = boiler bypass pump
7
Load Mass: "Lo" = Low mass (baseboard); "Hi" = High mass (radiant slab)
8
Not used at this time
Table 2. AQ1500B0 Control Module DIP switch arrangement
Switch Description
AQ250 SERIES HYDRONIC CONTROL PANELS
lowing the DIP switch settings charts
attached to the backs of the covers. To help
avoid this, the part number for each Module
(e.g. AQ1500B0 for the Control Module) is
printed on the top of the DIP switch settings
charts. The part number for each Module is
printed on the Module's low voltage connec-
tions label, directly above where the DIP
switches are located.
d. For the fourth Zoning Module connected to the
AQ1500 Control Module, make sure that DIP switch
#4 is set to the right hand position and DIP switches
#1, 2, and 3 are set to the left.
6. Review the settings for the remaining DIP switches of
each Zoning Module connected to the AQ1500, to
ensure they are correct before system start-up.
7. Replace the front cover of the AQ250 Control Panel and
any Expansion Zoning Panels.
8. The system is now be ready for Test and Checkout; see
Section 8 below.
11
Label and Factory Settings
Diagnostic
Diagnostic
Test
Test
M23719
M23721
69-1982
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