Lochinvar 50-210 Service Manual, Cascade offset, I Circulation pumps, J Service Notification

Models: 50-210

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Cascade offset

Service Manual

1Service

Cascade offset

This parameter determines how much the temperature must go above set point before the lead boiler will turn off. This parameter can be adjusted by the installer by accessing parameter H5. The default value is 9.9°F.

Cascade off-on differential

This parameter determines how much the temperature must go below the turn off temperature (Set point + Offset) before the lead boiler turns on. This parameter can be adjusted by the installer by accessing parameter H6. The default value is 19.8°F.

I: Circulation pumps

System pump delay

The system pump delay parameter sets the length of time the system pump (if connected) will run after a SH demand has been satisfied. Setting the delay time to 0 will disable the pump. This parameter is adjustable by the installer by accessing parameter I1. The time range for this parameter is 0 minutes to 40 minutes. The default time is 30 seconds.

SH pump delay

The SH pump delay parameter sets the length of time the boiler pump will run after a SH demand has been satisfied. Setting the delay time to 0 will disable the pump. This parameter is adjustable by the installer by accessing parameter I2. The time range for this parameter is 0 minutes to 40 minutes. The default time is 30 seconds.

DHW pump delay

The DHW pump delay parameter sets the length of time the DHW pump (if connected) will run after a DHW demand has been satisfied. Setting the delay time to 0 will disable the pump. This parameter is adjustable by the installer by accessing parameter I3. The time range for this parameter is 0 minutes to 40 minutes. The default time is 30 seconds.

J: Service Notification

Service notification in months

When the boiler control determines that a scheduled service is due based on days of installation, the boiler display will alternate the standard boiler display text with the message SERVICE DUE every 5 seconds. This parameter is adjustable by the installer by accessing parameter J1. The time range for this parameter is 0 months to 36 months. The default time is 12 months.

Service notification running hours

When the boiler control determines that a scheduled service is due based on the hours of actual operation, the boiler display will alternate the standard boiler display text with the message SERVICE DUE every 5 seconds. This parameter is adjustable by the installer by accessing parameter J2. The time range for this parameter is 0 hours to 100,000 hours. The default time is 10,000 hours.

Service notification boiler cycles

When the boiler control determines that a scheduled service is due based on the number of boiler cycles, the boiler display will alternate the standard boiler display text with the message SERVICE DUE every 5 seconds. This parameter is adjustable by the installer by accessing parameter J3. The range for this parameter is 0 cycles to 100,000 cycles. The default is 10,000 cycles.

Reset service notification counter

Once servicing has been completed, the service notification counter should be reset. This parameter can be reset by the installer by accessing parameter J4. Once accessed, press the RESET key to reset the service notification counter.

I: Circulation pumps 22 J: Service Notification

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Lochinvar 50-210 service manual Service Manual, Cascade offset, I Circulation pumps, J Service Notification