Rheem R-410A Bedienungsanleitung PDF herunterladen (Seite 22)

(*) – Indicates flash code will be an output on the ICC “L” terminal to the indoor

thermostat “L” terminal. Unless a diagnostic/fault is manually cleared by cycling

power or pressing the TEST button the flash code will continue at the L terminal for

up to 20 seconds after the start of a successful call for unit operation.

L Terminal Output

• Flash 1 – Compressor running extremely long run cycle

• Flash 2 – Low or High pressure control trip

• Flash 3 – Unit short cycling

• Flash 5 – Compressor will not run

• Flash 8 – Control mis-operation

• Flash 9 – Low control voltage

(**) – Lockout modes are reset by either cycling line voltage, low voltage, or by

pressing control TEST button for 1 second. The control will attempt to start the unit

when the TEST button is pressed and released (See TEST button label)

(***) – Caution: Indicates Active Protection. Unit will attempt to restart auto-

matically.

NOTE: For Additional Questions or Comments concerning the ICC, call 1-888-

923-2323.

SERVICE

SINGLE-POLE COMPRESSOR RELAY

Integrated Compressor Control Relay is a single-pole relay used on all single phase

units up through 5 tons. Caution must be exercised when servicing as only one leg

of the power supply is broken with the relay.

5 (*) (***) Compressor will not run

ctive Protection

– After detecting compressor

ill not run the ICC control will shut the unit

down. The control will try to restart the unit

every 5 minutes for 4 tries. After that, the ICC

will attempt a restart every 20 minutes up to 6

hours.

. Check for damaged, miswired, or wrong run

capacitor

2. Check for damaged or miswired start capacitor

nd relay

compressor

4. Check for broken wires, loose connectors, or

miswired

5. Check compressor motor windings for

continuity

6. Check for open compressor internal protector

7. Check for excessive liquid refrigerant in

compressor

L5 (**) Lockout – Check Compressor (**) After 6 hours of attempted unit restart ICC

control

8 (*)

output only)

9 (*)

(Less than 18V)

1. Check transformer for miswiring or

overloading.

3. Check voltage levels at ICC board and

ICC Board Mis-operation

ICC Board Mis-operation (L terminal

1. Check ICC board compressor relay

ICC Secondary Voltage Low

CAUTION

UNIT MAY START SUDDENLY AND WITHOUT WARNING

Solid red light indicates a thermostat call for unit operation is present at the ICC.

ICC will attempt to start unit after short cycle timer expires or when in Active

Protection mode will attempt to restart unit prior to Lockout mode.

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