Rinnai HE Series User Manual

KBD Series Manual 65
If the water heater is not going to be used during a period of possible freezing weather, it is recommended that
the water inside the water heater be drained.


If the temperature exceeds the ability of the water heater to freeze protect
itself, or if power is lost, the following steps may prevent the water heater
and external piping from freezing. (Units connected with EZ Connect (2
unit link) should be drained to prevent freezing if not in use.)
1. Turn the water heater o.
2. Close the gas supply valve.
3. Turn on a hot water tap to ow water about 0.1 gal/min or where the
stream is about 0.2 inches thick.

1. Do not operate the water heater if it or the external piping is frozen.
2. Close the gas and water valves and turn o the power.
3. Wait unl the water thaws. Check by opening the water supply valve.
4. Check the water heater and the piping for leaks.
HOT
COLD
ON!
0.1 gal/min or
about 0.2 inch
thick
To avoid burns, wait unl the equipment cools down before draining the water. The
water in the appliance will remain hot aer it is turned o.
WARNING
To manually drain the water:
1. Shut o cold water supply and gas supply.
2. Turn o the temperature controller.
3. Disconnect the power to the water heater.
4. Place a container to catch the water. Open hot water tap or
open hot water drain plug at the hot water outlet.
5. Remove water lter to drain the cold water.
6. Unscrew the water drain plug from the drain line next to the hot
water outlet.
7. Remove the condensate trap drain plug and allow to drain.
To resume normal operaon:
1. Conrm that all water drain plugs are removed, that the gas
supply is turned o, and that all taps are closed.
2. Insert the condensate trap drain plug.
3. Screw in the water drain plugs. (Avoid over ghtening)
4. Screw in the water lter in the cold water inlet.
5. Open the cold water supply.
6. Open a tap and conrm that water ows, and then close.
7. Turn on the power.
8. Aer conrming that the temperature controller is o, turn on the gas supply.
9. Turn on the temperature controller.
Water
drain plug
Condensate
trap drain plug
Condensate
drain line
Gas
connecon
Cold water
inlet
Hot water
outlet

Rinnai HE Series Specifications

General

Brand	Rinnai
Model	HE Series
Category	Water Heater
Language	English