61
CR60-IM.v0429.4
Trial Operation
The installer should test operate the unit, followed by explaining to the customer how to use the unit, and give
the owner this manual before leaving the installation site.
Preparation steps.
1. Confirm the condensate trap is filled with approx. 10 oz. (280 mL) of water inside the exhaust (indoor
installations).
2. Open a hot water fixture to confirm that water is available, and then close the fixture.
3. Open the gas supply valve.
4. Turn on the power supply. Using the remote controller, turn on the Power On / Off button (the Operation
lamp will turn on)
.
Operation steps.
1. Open a hot water fixture and confirm that the Burner On lamp on the remote controller lights on, and that
hot water is being produced. (If necessary, repeat until the air in the gas piping is bled out).
* White smoke may produce from the exhaust vent during cold weather. This is not a malfunction of the unit.
* If an “11” error code appears on the remote controller, turn the unit
off and then on 2 - 3 times. Followed by
opening the hot water fixture again.
2. Change the temperature setting on the remote controller and check whether the water temperature
changes.
• Check to see that the hot water temperature is the same as the tem
perature displayed on the remote
controller. If multiple units do not ignite, switch which unit will ignite first by pressing the Max. or Min.
Manifold Pressure Set Button on the circuit board.
Pressing the Max. or Min. Manifold Pressure
Set Button on Unit 2 or 3, etc.
Unit 1 Ignites
Unit 2 Doesn’t Ignite
Unit 3 Doesn’t ignite
(unless
more water is being
demanded)
…….
Unit 6 Doesn’t ignite (unless
more water is being
demanded)
Unit 1 Doesn’t Ignite
Unit 2 Ignites
Unit 3 Doesn’t ignit
e (unless
more water is being
demanded)
…….
Unit 6 Doesn’t ignite (unless
more water is being
demanded)
Содержание NCC199CDV
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