Aprilaire 400A Instrukcja Właściciela Pobierz pdf (Strona 3)

STEP 2: Disassemble the Humidifier Control

Remove the knob. Remove the cover by pulling at the bottom and

swinging it out and upward.

STEP 3: Check the Mode Switch

See Figure G (on page 11) for the mode switch (labeled A and B).

Make sure the switch is correctly set for the type of humidifier

installed.

Set the Mode Switch in position A for Models:

220, 224, 400, 400A, 440, 500, 500A, 500M, 550, 558,

560, 568, 600, 600A, 600M, 700A and 700M

Set the Mode Switch in position B for Models:

110, 112, 445, 448, 700, 760 and 768

Do not operate the humidifier with the Mode Switch in the

wrong position. Damage to the Humidifier Control could result.

STEP 4: Check the Change Water Panel indicator setting.

This setting will control when the indicator light turns on,

reminding you to change your water panel. If your Control came

with a humidifier, the Control is pre-set for the humidifier. If the

installation site has a 3-month or shorter heating season or very

hard water, you may want to adjust the setting (see Figure B).

Use the “OFF” setting to turn the

Water Panel Change Indicator OFF.

NOTE: When using the Model 50

Current Sensing Relay, the Water Panel

Change Indicator MUST be OFF.

Use setting “A”

for Model 400 and

400A humidifiers.

The indicator will

light after 150

hours of inlet valve

operation.

Use setting “B”

for Model 500A,

600A and 700A

humidifiers when

the heating season

is 3 months or less,

or if hard water is

used. The indicator

will light after 300

hours of inlet valve

operation.

Use setting “C” for Model 500A,

600A and 700A humidifiers when the

heating season is longer than 3

months. The indicator will light after

600 hours of inlet valve operation.

Figure B

Water Panel

Indicator Settings

90-1202

1 2 3 4 5 6 7 8 ... 14 15

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