© MHG Heating Ltd
MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR
P:0845 6448802 F:0845 6448803 E:
W: www.mhgheating.co.uk
010617
2
Contents
Section
Page #
1.0
Appliance Type
3
1.1
Single Unit
3
1.2
Cascade Manager
4
1.3
Cascade Slave
5
1.4
System Separation Plate Unit
6
2.0
Installation Regulations and Requirements
7
2.1
Appliance Warranties
8
3.0
Dimensions
9
3.1
Plate Heat Exchanger Hydraulic Resistance
10
3.2
Installation Clearances
10
4.0
Delivery and Mobility
10
4.1
Case Removal
11-12
5.0
Technical Data
13
5.1
Connection sizes
14
6.0
Pressure Relief Valve
15
7.0
Electrical Connections
15
8.0
Hydraulic Design Single Unit
16
8.1
Hydraulic Design Cascade Units
17
9.0-9.4
Fluing Options
18-20
10.0
Filling The System
21
10.1
Expansion Vessel
22
11.0
System Water Quality
23
11.1
Care With The Use Of Solder Flux
23
12.0
Appliance Controls
24
12.1
Control Panel
24
12.2
RVS43 143 Cascade Manager
24
12.3
Module Controller
25
12.4
Module Controller End User Settings
25
12.5
Accessing Module Parameters
26
12.6
Module Operating Codes
27
13.0
Appliance Error Codes
28-29
14.0
Control Parameter Defaults
30
14.1
RVS43 143Cascade Manager Defaults
31-55
14.2
Module LMU64 Controller (QAA73 Unit Required.)
56-59
15.0-15.2 Commissioning
59-61
15.3
NG/LPG – LPG/NG Conversion Procedure
62
16.0
Routine Inspection and Servicing
63
16.1
Routine Service Inspection
63
16.2
Routine Cleaning and Maintenance
64-65
17.0
Optional System Controls (RVA 63, RVA46, QAA70, QAA50, QAA10)
66
18.0
Module Operation Indication
67
18.1
Module BMS Fault Indication Clip Installation and Setting (AGU2.511 Clip)
68
18.2
Internal Wiring Diagram
69
19.0
Flue Components
70
20.0
Exploded Diagrams HT
71-74
21.0
Exploded Diagrams HTP
75
23.0
Note
76
