Ideal Heating MONARCH 30, Инструкция по установке и обслуживанию

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A1009091 - 661A0600_EN • A
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CHAPTER
5
CHAPTER 5 - WATER HEATER MAINTENANCE
Water from opened drain valves, unions and
other connections may be extremely hot. To
avoid substantial property damage, serious
injury, or death:
- Tighten all drain hose connections.
- Direct hot water away from all persons.
5.3.1 Preparation for Draining the Tank.
1. Turn off domestic operations on the boiler so that
the boiler will not fire while draining the tank. Ref-
erence the boiler technical manual for more infor-
mation.
2. Stop the pump on the boiler water side of the tank.
5.3.2 Draining Tank (Domestic Water)
.
Domestic water may be very hot. Hot
domestic water can cause substantial
property damage or serious injury.
1. Open fully the hot water faucet at a plumbing fix-
ture in the building until cool water is coming out
of the hot water faucet.
Opening multiple hot water faucets will speed
up the process.
2. Close the DHW cold water valve and allow water
flow to stop.
3. Close the DHW cold and hot valves.
4. Ensure that the DHW side of the tank is open to at-
mosphere so as to not create a vacuum.
5. Check that the drain valve is piped (hose) to a cor-
rect place for disposal.
6. Open drain valve.
7. Once water has stopped flowing from the hose, no
more water can be removed from the tank.
8. Close the drain valve and the hot water faucet after
having drained the DHW tank.
WARNING
WARNING
BEST PRACTICE BEST PRACTICE
5.3.3 Draining Coil (Boiler Water)
.
1. Isolate the boiler circuit by closing the shutoff valves
2. Connect the drain valve to the sewer using a flexi-
ble hose.
3. Open the drain valve and drain the water from the
coil to the drain.
4. Close the drain valve after draining the coil.