Rheem 325 II Series User Manual

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TM077: 325 & 410 Series II Heat Pump Service Instructions
Rev 00: Issued April 2014
LED STATUS CODE TABLES
Operation
Green LED
Red LED
Condition
See the Operation section from page 13 for detailed information
Off
Off
No power or mechanical thermostat contacts open.
Rapid Flash
Off
System Start-Up.
Solid
Off
Standby Mode.
1 Flash
Off
Heat Pump Mode – System Check. The system waits for the compressor sensor temperature to fall to
at least 60°C and the start delay to elapse.
The start delay begins from the last compressor shut down, so may have already elapsed.
2 Flashes
Off
Heat Pump Mode – Heat Pump Pre-Heating. Compressor and fan on, circulator off for at least the first
30 seconds. Circulator starts when the heat exchanger water outlet temperature is greater than 22°C,
and runs at variable speed.
3 Flashes
Off
Heat Pump Mode – Heat Pump Heating. Compressor, fan and circulator on – circulator at full speed.
4 Flashes
Off
Freeze Protection. Circulator operates for 30 seconds, every 15 minutes.
Long Flash
Off
Element Heating – Ambient Mode.
Fault Codes
Fault
Green LED
Red LED
Condition
See the Operation section from page 13 for detailed information
FAULT 1
Off
1 Flash
Compressor Over-Temperature Fault, element heating enabled. Compressor temperature > 110°C.
FAULT 3
Off
3 Flashes
Compressor Cooling Fault, element heating enabled. Compressor temperature > 60°C.
FAULT 4
Off
4 Flashes
Tank Sensor Fault, element heating enabled.
FAULT 5
Off
5 Flashes
Evaporator Sensor Fault, element heating enabled.
FAULT 6
Off
6 Flashes
Compressor Sensor Fault, element heating enabled.
FAULT 7
Off
7 Flashes
Heat Exchanger Water Outlet Sensor Fault, element heating enabled.
FAULT 8
Off
8 Flashes
Water Flow Fault, element heating enabled.
FAULT 9
Off
9 Flashes
Refrigeration System Fault, heat pump and element heating disabled.
Solid
Solid
System reset – release button.
Notes
1. All faults will trigger Element Heating, except Fault 9 (9 red flashes).
2. Fault 9 will not disable all heating unless it has occurred 3 consecutive times. On the first and second consecutive occurrences of Fault 9, the heat pump will return to System Check.
3. To reset Fault 9 or cancel the start delay, press and hold the reset button until both LEDs come on.
4. The refrigerant high pressure switch is manual reset and may also need to be reset following the occurrence of Fault 9.

Rheem 325 II Series Specifications

General

Brand	Rheem
Model	325 II Series
Category	Heat Pump
Language	English