Service Manual
Model No:ES10V-M1
Fig. 2 Fig. 3
3-3. Connection and use of safety valve
1. The safety valve should be connected to the cold water inlet pipe. Please check carefully if the
direction is correct after installation. The correct direction of installation is that the arrowhead on the
safety valve should point to the water heater.
2. Please connect the drain hose to the safety valve. Connect one end of the hose to the safety valve
vent and the other end to the sewage drain for fear of indoor contamination. The hose can be cut short
or extended as necessary. The hose shall be installed as inclined downward.(see to Figure 4)
3. During heating, the water may drip from the discharge pipe of the pressure relied device due to
expansion and the pipe must be left open to the atmosphere. Check safety valve once a month as
follow: move the small handle of safety valve, if there's water flowing out, safety valve is normal; if
there's no water flow, please contact local after-sales service station.
4. The pressure relief device is to be operated regularly to remove lime deposits and to verify that it is
not blocked.
Fig. 4
3-4. Attentions in Installation
1. City water inlet pressure shall not be less than 0.05 MPa,Maximum pressure can not exceed
0.75MPa.
2. Electric water heater shall be installed indoors with ambient temperature above 0 . The pipes shall
℃
be collectively laid. Hot water outlet shall not be too far from use points. In case farer than 8 m, hot
water pipe shall have a thermal insulation to minimize heat loss.
-6-
The mounting wall shall be firm and reliable to support twice the weight of water heater full of water.
Non-load bearing walls or air brick walls must have corresponding protective measures like additional
