Lennox E014AH055FM2M, Installation, Operating And Maintenance

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eNeRGy-IOM-2020.12-EN
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Electrical preheater
WARNING: electrical pre-heater is connected to main power
– risk of electrical Shock – switch off the
unit prior to open this section
The electrical preheaters are placed before the coil.
Pre-heater is running only with high fresh air rate under low outdoor ambient temperature (see setpoint in control section).
It is protected as standard, against overheat via a high temperature overload protection set at 98°C.
There are three sizes available for each size of unit:
S: Standard heat
M: Medium heat
H: High heat
Unit Description Type of modulation Capacity Current
E014- E019
Standard Triac 36 kW 52 A
Medium Triac 90 kW 129,9 A
High Triac 108 kW 155,9 A
Unit Description Type of modulation Capacity Current
E22- E27
Standard Triac 54 kW 77,9 A
Medium Triac 108 kW 155,9 A
High Triac 144 kW 207,8 A
ELECTRICAL PREHEATER
GAS BURNER