Mamiya C28 Boiler User Manual


 
INSTALLATION
mini HE --- Installation & Servicing
31
CA DEB
12 Press and hold the reset button D for about 10 seconds
until the lock---out signal lamp E blinks.
13 Press the reset button D repeatedly (4 times) until the
lamps A give the follow indication:
Where:
Lamp ON
Lamp OFF
14 Turn the DHW temperature control B to the minimum (fully
counterclockwise) and then on the pos ition noted on step
10. By turning the control B the lock---out signal lamp E
blinks quickly (2 per second) indicating that the setting
has changed and must be memorized.
15 To memorize the setting press and hold the reset button D
for about 5 seconds until the lamps A briefly blink
simultaneously.
16 To reset the boiler to the normal operation turn it off and
on by the main switch C checking the ignition pressure
and that the burner lights up unifo rmly. The boiler
automatically resets to its normal operation after 10
minutes if the above reset operation is not performed.
36 ANTI CYCLING SETTING
It is possible to set the minimum delay time that must pass
between two ignitions of the burner in c .h. function mode.
1 Turn the boiler on positioning the main switch C as follow:
CA DEB
2 Press and hold the boiler reset button D for a bout 10
seconds until the lock---out signal lamp E blinks
3 The lamps A should give the indication as in next figure
(reignition frequency). If not, press the reset button D
repeatedly to obtain it.
Where:
Lamp ON
Lamp OFF
At this time it is possible to determine the current setting by
keeping the reset button D pressed for more than 5 seconds.
The lamps A will flash a number of times corresponding to the
setting.
4 To c hange the setting turn the DHW temperature control B
to a position corresponding to the desired delay. By
turning the control B, the lock---out signal lamp E blinks
quickly (2 per s econd) indicating that the setting has
changed and must be memorized.
1
4
2
3
5
6
7
0
11/2
3
4
51/2
7
81/2
B
Setting No.
Delay (minutes)
5 To memorize the setting press and hold the r eset button D
for about 5 seconds until the lamps A briefly blink
simultaneously.
6 To r eset the boiler to the normal operation turn it off and
on by the main switch C. The boiler automatically resets to
its normal operation after 10 minutes if the above reset
operation is not performed.
The factory setting anti cycling time is 3 minutes.
37 COMMISSIONING AND TESTING
The benchmark Logbook or equivalent self certification
should be completed and signed to demonstrate compliance
with Building Regulations.
A. Electrical Installation
Checks to ensure electrical safety should be carried out
by a competent person.
ALWAYS carry out the preliminary electrical system checks,
i.e. earth continuity, polarity, resistance to earth and short
circuit, using a suitable test meter.
B. Gas Installation
1 The whole of the gas installation, including the meter,
should be inspected and tested for tightness and purged
in accordance with the recommendations of BS. 6891. In
IE refer to I.S. 813:2002.
2 Purge air from the gas installation by loosening the gas
coc k union and purge until gas odour is detected.
3 Retighten the union and test for gas tightness.
WARNING. Whilst effecting the required gas tightness
test and purging air from the gas installation, open all
windows and doors, extinguish naked lights and DO NOT
SMOKE.
INSTALLATION