ECR International Dunkirk WPSB 3 Series Installation, Operation & Maintenance Manual page 25

Burner Will Not Fire
No or Insufficient Domestic
Hot Water
House will not get or stay
warm
13 - OPERATING YOUR BOILER
Table 6 - Troubleshooting
If installed with indirect water heater, insure switch controlling indirect water heater is properly
connected to I1-I2 (see wiring diagram). This insures domestic water calls are prioritized.
If I1-I2 is not used, turn Economy Feature OFF.
1.
Check for air bound radiators.
2. Check thermostat settings including heat 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 the house from coming up to
temperature. Move to lower setting.
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PN 240013090 REV. C [10/01/2021]