© MHG Heating Ltd
43
MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR
Telephone 08456 448802 Fax 08456 448803 Email
Web www.mhgheating.co.uk
010711
13.0 Appliance Controls
All appliance operational mode adjustments and settings are undertaken via the unit control fascia
Legend
Button Label
Function
Units
Defaults
T1 RESET
Resets indicated large flashing fault codes. Places
the boiler into fault is no fault is present (E153)
0-200 N/A
T2 HOT
WATER
(HWS)
Activates HWS generation capability. Indicated on
the screen by a dash beneath the
icon.
-
T3 MODE
Adjusts the operating mode for the heating
circuit.
☼
T4 HWS
SETPOINT
Hot water storage temperature adjustment.
Only possible is a HWS sensor is used.
20-60 55
o
C
T5
HEATING CIRCUIT
FLOW
TEMPERATURE
SETPOINT
Heating flow temperature adjustment.
Or
Assumed room temperature adjustment.
(If outside air sensor installed)
20 – 90
10 - 35
80
o
C
21
o
C
T6
PROGRAM DOWN
Access to program settings accessing in reverse
order.
Time of day/
time switches/
operational
settings.
-
T7 PROGRAM
UP
Access to program settings accessing in sequential
order.
- -
T8
P PLUS
Alteration of program settings positively.
-
-
T9
PROGRAM – MINUS
Alteration of program settings negatively.
-
-
T10 INFORMATION
Access to operational information and saving
altered program settings.
Fault
Indication/
Boiler Flow
Temperature/
Stored HWS/
Operation
Mode/
Outside Air
Temperature.
-
