Dunkirk DXL Series User Manual
Page 25
25
18 - SYSTEM TROUBLESHOOTING
TABLE 7 - SYSTEM TROUBLESHOOTING
No Or Insuffi cient Domestic
Hot Water
If installed with indirect water heater, insure end switch in relay box
controlling indirect water heater is properly connected to cable 2 (see
wiring diagram). This insures domestic water calls are prioritized. If cable
2 is not used, turn Economy Feature OFF.
House Will Not Get Or Stay
Warm
1.
Check for air bond radiators.
2.
Check thermostat settings including het anticipator settings (common
on non-digital thermostats).
3.
Check Economy settings. Economy feature, much like outdoor reset
controls, lowers average boiler temperature, can slow or prevent
house from coming up to temperature. Move to lower setting.