Normal Maintenance; Technical Data; Dimensions - Stiebel Eltron DHC 3-1 Classic Operación E Instalación

INSTALLATION

NORMAL MAINTENANCE

10. Normal maintenance
WARNING Electrocution
Before performing any work on the water heater, ensure
power to the unit has been completely shut off at the
circuit breaker.
NOTICE:
!
Hard water or water with a high mineral count may dam-
age the unit. Damage to the unit caused by scale or a high
mineral count is not covered under the warranty.
Note:
Other than the filter screen, the DHC Classic does not con-
tain any parts serviceable by the lay person. In case of mal-
function please contact a licensed plumber or electrician.
Stiebel Eltron DHC Classic tankless water heaters are designed for
a very long service life. Actual life expectancy will vary with water
quality and use. To ensure consistent water flow, it is recommended
to periodically remove scale and dirt that may build up at the aerator
of the faucet or in the shower head.
The DHC Classic has a built in sediment filter screen that should be
cleaned periodically:
Turn off power to the water heater at the circuit breaker.
Turn off the water supply to the water heater at the shut-off
valve.
Open a connected hot water tap to relieve built-up pressure
(this will minimize leakage when removing the connection from
the cold water inlet).
Disconnect the braided steel flex connector from the cold water
inlet fitting (right).
To remove the filter screen from the bottom of the cold water
inlet, carefully insert a flathead screwdriver just above the
plastic lip of the filter screen, and gently pull downward.
Clean the filter screen, re-insert securely into the cold water
inlet fitting, and reconnect the braid steel flex connector to the
cold water inlet.
Open the cold water supply shut-off valve.
Vent the air from pipes and the water heater by opening the
hot water faucet for a few minutes, until water flow is continu-
ous and all air is purged from the water pipes.
Turn on circuit breaker to bring electrical power to the unit.
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11. Technical Data

11.1 Dimensions

b01
c06
c06
3 15 / (100)
16
7 15 / (202)
16
b01 electrical supply cable
c01 cold water connection
c06 hot water connection
c01 c01
3 /
1 (35)
8
7
3 / (98)
8
1/2˝ NPT
1/2˝ NPT
DHC CLASSIC | 9