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Installation – Glow-worm Ultracom2 cxi User Manual

Page 33

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0020085231_02 - 05/10 - Glow-worm

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13.2.4

Test modes

By activating these various test modes, you can enable special

functions on the appliance.

• Press the on/off button to switch off the appliance.

• While keeping the button

pressed for more than 5

seconds, press the on/off button.

The screen displays the first test mode "P01" and "Off".

• Press button or under the symbol to choose the test

mode that you wish to launch.

• Test mode "P.01" :

- Press button

to display the burner forcing setting. The

screen displays "P.01" and "0".

- Press on button or under the symbol to modify the

value of the setting from "0" (0%) to "100" (100%).

- Press on button

for 1 second to exit the submenu or

for more than 7 seconds to access the configuration menu.

• Test mode "P.02" to "P.07" :

- Press

to launch the test mode. The screen displays

"P.0X" and "On".

- The test mode will be automatically stop after 15 minutes.

• When you have finished, press the reset button or the

On/Off button to exit the test modes.

Code Parameter

Description

P.01

Forcing the

adjustable-

power burner

when heating

The appliance functions at a power

adjustable from "0" (0% = Pmin.) to "100"

(100% = Pmax.) by using buttons or

under the symbol after successful

ignition.

P.02

Forcing the

burner to

heating ignition

power

The appliance functions at ignition power

after successful ignition.

P.03

Forcing the

burner to

Heating Pmax.

The appliance functions at its maximum

power after successful ignition.

P.05 Filling the

appliance

The 3 way valve is in the central position,

the pump and the burner stop so that the

appliance can be filled.

P.06 Venting the

installation

The function is activated for a period of 5

minutes on the heating circuit.

Make sure that the air vent is open.

P.07 Venting the

appliance

The function is activated for a period of 5

minutes on the short circuit.

Make sure that the air vent is open.

13.2.3

Status of the appliance

• Press button under the symbol for more than 3

seconds to learn the current state of functioning of the

appliance.

The screen displays the state of the appliance "S.XX".

• Press button

for more than 3 seconds to exit this

menu.

Status Heating Mode

S.00

No request for heating

S.01

Pre-run fan

S.02

Pre-run pump

S.03

Ignition

S.04

Burner lit

S.05

Post run pump/fan

S.06

Post run fan

S.07

Post run pump

S.08

Time delay anti short-cycles after heating

Status Domestic hot water mode

S.10

Request for domestic hot water

S.11

Pre-run fan

S.13

Ignition

S.14

Burner lit

S.15

Post run pump/fan

S.16

Post run fan

S.17

Post run pump

Status Domestic hot water heating

S.20

Pre-run pump

S.21

Pre-run fan

S.23

Ignition

S.24

Burner lit

S.25

Post run pump/fan

S.26

Post run fan

S.27

Post run pump

S.28

The boiler blocks tank reheating after a reheating cycle.

Status Specific messages

S.30

Default status, no request for heating or domestic water. If

an EBUS controller is connected to the boiler, check that

a wiring link is present on terminals 3 and 4 of the boiler's

main board.

S.31

"Hot water only" mode

S.32

Control cycle: the speed of the fan in the functioning phase

is outside tolerance.

S.34

"Frost protection" mode

S.39 Underfloor heating contact open.
S.40 Heating mode activated
S.41

Water pressure too high

S.53

Waiting cycle: temperature differential between heating flow

and return is too high. If ∆T > 30, forcing to Pmin.

S.54

Waiting cycle: lack of water in the installation/temperature

rise between heating flow and return is too high.

S.96

Test temperature sensor for heating return.

S.98

Test temperature sensors for heating flow and return, or the

appliance has a fault.

INSTALLATION