gf8370s2001a

Function of heater operation

Type gf · topic 83.70 · version 0102 · 1998-01-31

Applies to: MODEL 638 with CODE (H12) Hot water auxiliary heater

Where it sits

Function group 3 Body › 83 Climate control › 83.70 Auxiliary/supplementary heater — Series 638

GF83.70-S-2001A

Function of heater operation

10.10.95

MODEL 638 with CODE (H12) Hot water auxiliary heater

The sequence of heater operation depends on the heat requirement. A distinction has to be made between three function sequences corresponding to the heat requirement.

Heater operation with a heat requirement of 50 to 100% of heat output

GF83.70-S-3003A

Heater operation with a heat requirement < 50% of heat output

GF83.70-S-3004A

Heater operation with a heat requirement > 100% of heat output

GF83.70-S-3005A

Referenced documents