MHG Heating ProCon Boiler Controller - User Manual

MHG Heating Ltd ©
MHG Heating Ltd Unit 4 Epsom Downs Metro Centre Waterfield Tadworth Surrey KT20 5LR
Phone: 0845 6448802 Fax: 0845 6448803 Email: info@mhgheating.co.uk
010911
ProCon Boiler Controller Commissioning Quick
Reference Guide
This sheet is intended as a quick reference guide and should be read in conjunction with the
operating and maintenance manual for the boiler supplied by MHG Heating Ltd.
Adjustment of the appliances controller can only be undertaken once power has been applied to
the boiler and it has passed through its internal system checks.
The level of parameter adjustment required will be dependent upon the age of the appliance and
the required system control.
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

MHG Heating ProCon Boiler Controller Specifications

General

Type	Boiler Controller
Brand	MHG Heating
Model	ProCon
Display	LCD
Control Type	Digital

Summary

Controller Legend

Display Legend

Enhanced Operational Review Parameters

Temperatures (Service Level)

Accesses LMU internal diagnostic codes, boiler return, DHW, flue gas, and outside temperatures.

Process Values (Service Level)

Details ionization current, fan speed, fan control, relative output, pump setpoint, and control differential.

Setpoints (Service Level)

Covers controller setpoints, boiler temperature, room temperature, and DHW temperature setpoints.

Fault Code Indication Levels

Automatic Resetting Fault Code

Describes small fault codes that self-clear after a period or correction.

Manual Reset Fault Code

Explains large fault codes requiring manual reset via the RESET button.

Enhanced Fault Diagnosis Codes

Accessing Boiler Parameters

Level One (User) Access

Details how users can access and adjust basic operational parameters.

Level Two (Installer) Access

Describes installer access for deeper parameter adjustments and system configuration.

Level Three (OEM) Access

Outlines OEM access level, requiring a password for advanced system settings.

Level One End User Parameters

Level Two Engineer Parameters