Technical data

© MHG Heating Ltd
60
MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR
Telephone [phone] Fax [phone] Email [e-mail]
Web www.mhgheating.co.uk
010109
[#]
Description Range Defaults
OEM Level
2 Maximum Module Temperature
When Operating In Manual Mode
8-120 82
8 Pump Run On Time
System Heating (HKP) and HWS (SLP) Pumps
0-20 5
22 Minimum System Return Temperature 8-95 8
30 Room Influence Gain Factor 0-20 4
32 Boost Room Temperature Set Point
Room Sensor Dependant (QAA10/50/70)
Increase. Heat Up Time Reduced
Decrease Heat Up Time Increased
0-20 5
33 Frost Protection
0. Frost Protection Program Disabled
1. Frost Protection Program Enabled
0-1 1
35 Heat Gains
Increase. If Heat Gains are High
Decrease. If Heat Gains are Low
-2-+4 0
36 Adaptation Sensitivity 1
Outside Air Range 4-12
0
C
1-15 15
37 Adaptation Sensitivity 2
Outside Air Range <4
0
C
1-15 15
40 Maximum HWS Set Point 8-80 60
41 HWS Switching Differential (QAZ21 Sensor Only) 0-20 5
42 Legionella Function 0. Off 1. On. 0-1 0
50 Cascade Strategy
1-3 Automatic
4-6. Fixed
1-6 2
51 Minimum % Output reached Prior to Switching Off a Module In
the Cascade
5-100 40
52 Maximum % Output Reached Prior to Switching On a Module In
The Cascade
5-100 80
56 Time Spent By Module On Ignition Rate Prior to Modulation
(Delay Time Between Modules)
0-1200 0
60 Minimum Temperature Difference Between Flow/ Return Sensor
Readings Prior to The Return Sensor Becoming Lead
0-20 2
90 Display Default
0. Time of Day
1. System Flow Temperature (CA)
0
91 Software Version 00.0-99.9 #
92 RVA47 Manager Operating Hours 0-500,000 --