HBX CPU-1000 HVAC Controller
Version 1.38
Lorem Ipsem Page 17
Page 17
Lack of Heat or no
response to a heat
demand
Control may be in Warm Weather Shut Down mode, see “System Status” display.
Is the acronym “WWSD” visible? If yes, check in “Change Designs” menu under
WWSD, factory default is 75ºF. Adjust accordingly to your own design
parameters.
Remember to check and install your Outside temperature sensor away from
direct sun or potential heat sources etc.
Cannot select more than
4 Boilers in Staging
Options
If you are using the DHW control type the maximum # of boiler stages is limited
to 4.
Staging and Mixing control types will allow you to program up to a
maximum of 14 stages but please note you must have the corresponding
number of Expansion Modules to effectively accomplish this
No Boiler Heat Demand
when Zone Module has
a call for Heat
Make sure you program ‘Use Zone Module’ to ‘Y’ in Control Options. Zone
Modules are currently under development.
© HBX Control Systems Inc. 2012
To Next Page
Loading...