Fig. 3. Application Example: Circulation Temperature Control with Variable Speed Pump
Table 7. Connection of the Macro FNB_ModFan
Inputs |
Connections to use the Variable Speed Fan for the Circulation Pump |
FanEnable |
to be connected to the "CircPumpCmd" of one of the macros "DHA_DHW" or "BOD_HeatExch_DHW" |
FanSpeedControl |
to be connected to the "CircPumpSpeed" output of this macro |
ManSwCmd |
999; or use a wall module |
PlantMode |
4; keep the default value |
Status |
to be connected to the pump status, or 0 and parameter ALM-05; also 0 if not used |
Alarm |
to be connected to the pump alarm |
FanBeltIn |
to be connected to the pump differential pressure switch, or 0 and parameter ALM-06; also 0 if not used |
MaintSw |
1; or to be connected to a manual switch |
Reset |
0 |