andrews CWH120/200, Installation, Operation And Maintenance Manual

Page: 32 / 44

MAXXflo Water Heater
32 32
CWH HEAT EXCHANGER CONFIGURATION
CONTROL PANEL
The operational status of the water heater can be seen
and the desired temperature can be set on the control
panel
(Fig 13, right)
A green and a red LED can be found on the control panel
for each burner module. These indicate the status of the
corresponding burner module.
The green LED:
– off no automatic burner detected
– flashing automatic burner detected, burner module
not in use
– on burner module in use
The red LED:
– off no fault
– flashing blocking fault
– on locking fault
The display on the control panel consists of 3 segments.
The following codes can appear:
No heat demand
Flashing, water not enabled
Heat demand
Programme changed, water temperature activated
Permanent, circulation pump connected to terminals pump L – pump N activated
Flashing, circulation pump stand by
Actual water heater temperature
Fig 13
The water heater is equipped with 1,
2, 3 or 4 burner modules depending
on the model. Each burner module
has its own automatic burner.
SECTION 3 • INSTALLATION