Rheem Water Heater - Manual (Page 72)

COMMISSIONING
72
LER
e
. The solar monitor is located on the
lowe and a red LED.
DIAGNOSTIC FEATURES OF THE SOLAR CONTROL
The solar storage tank incorporates a so
solar control module by a ribbon cable
r front cover and houses both a green
lar monitor which is connected to th
The green LED, marked “Solar”, indicates the current operational mode of the
mode.
The ee
2 second
The red
flashes, o
The mod
Flas
solid g
(remain
n Tank at maximum temperature
no green
(remains off)
Call for service
Flashes Fault Modes
1 x red Hot sensor in collector – open circuit
2 x red Hot sensor in collector – short circuit
3 x red Cold sensor – open or short circuit
4 x red Top three tank thermistors – open or short circuit
5 x red Sensor strip plugged into incorrect port on printed
circuit board (PCB)
solar water heater and the red LED, marked “Attention”, indicates a fault
gr n LED will emit either a constant glow or a series of flashes, with a
interval between flashes.
LED will emit a series of flashes, with a 2 second interval between
nly if there is a particular fault condition with the system.
es are:
hes Operational Modes
reen
s on)
Standby mode
1 x green Flooding solar circuit
2 x green Checking solar contribution
3 x green Pump flow control
4 x green Pump flow established
5 x gree