Amana ASH13018 Service Manual download pdf (Page 54)

SERVICING

3 4.8 7.2 9.6 14.4 19.2 24 28.8

KW KW KW KW KW KW KW KW

600 16 25 38 51 --- --- --- ---

700 14 22 33 43 --- --- --- ---

800 12 19 29 38 57 --- --- ---

900 11 17 26 34 51 --- --- ---

1000 10 15 23 30 46 --- --- ---

1100 9 14 21 27 41 55 --- ---

1200 8 13 19 25 38 50 --- ---

1300 7 12 18 23 35 46 --- ---

1400 7 11162232435465

1500 6 10152030405060

1600 6 9 14 19 28 38 47 57

1700 6 9 14 18 27 36 44 53

1800 5 8 13 17 25 34 42 50

1900 5 8 12 16 24 32 40 48

2000 5 8 12 15 23 30 38 45

2100 5 7 11 14 22 29 36 43

2200 4 7 11 14 21 27 34 41

2300 4 7 10 13 20 26 33 39

TEMPERATURE RISE (F°) @ 240V

CFM

Table 5

HTR

3.0

4.7

6.0

7.0

9.5

14.2

19.5

21.0

BTUH 10200 16200 20400 23800 32400 48600 66500 71600

ELECTRIC HEATER CAPACITY BTUH

Table 6

FORMULAS:

Heating Output = KW x 3413 x Corr. Factor

Actual CFM = CFM (from table) x Corr. Factor

BTUH = KW x 3413

BTUH = CFM x 1.08 x Temperature Rise (T)

CFM = KW x 3413

1.08 x T

T = BTUH

CFM x 1.08

S-61A CHECKING HEATER LIMIT CONTROL(S)

Each individual heater element is protected with a limit

control device connected in series with each element to

prevent overheating of components in case of low airflow. This

limit control will open its circuit at approximately 150°F.

1. Remove the wiring from the control terminals.

2. Using an ohmmeter, test for continuity across the nor-

mally closed contacts. No reading indicates the control

is open - replace if necessary.

IF FOUND OPEN - REPLACE - DO NOT WIRE AROUND.

S-61B CHECKING HEATER FUSE LINK (OP-

TIONAL ELECTRIC HEATERS)

Each individual heater element is protected with a one time

fuse link which is connected in series with the element. The

fuse link will open at approximately 333°.

WARNING

Disconnect ALL power before servicing.

1. Remove heater element assembly so as to expose fuse

link.

2. Using an ohmmeter, test across the fuse link for continu-

ity - no reading indicates the link is open. Replace as

necessary.

NOTE: The link is designed to open at approximately 333°F.

DO NOT WIRE AROUND - determine reason for failure.

S-62 CHECKING HEATER ELEMENTS

WARNING

Disconnect ALL power before servicing.

1. Disassemble and remove the heating element.

2. Visually inspect the heater assembly for any breaks in

the wire or broken insulators.

3. Using an ohmmeter, test the element for continuity - no

reading indicates the element is open. Replace as

necessary.

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Amana ASH13018 Service Manual Page 54

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