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INSTRUCTIONS— GAS AIR HEATER -
MINIGAZ Eco
MH Eco, MC Eco, MV Eco– NT09004I-GB – 29/11/2017
CONTENTS
WARNINGS
The range covered by these instructions have successfully undergone various tests and controls as
defined by the European Gas Directive: mechanical and electrical safety, reliability, combustion hy-
giene...
Because of the technical requirements it notifies, the CE mark is the official recognition of this device
design quality, manufacturing and performance. Its lifetime and performances will be optimum if used
and maintained according to the rules and the prescriptions in force.
N° de chapitre
Chapitres
Pages
1
GENERAL RECOMMENDATIONS
3
1-1
Devices description - Operation
3
1-2
Use instructions
3
1-3
Operation
3
1-4
Safety
4
1-5
Switch-off
4
1-6
Warranty
4
2
TECHNICAL FEATURES OF SUSPENDED GAS AIR HEATERS Minigaz Eco
5
2-1
Technical features of axial suspended gas air heaters MH Eco
5
2-2
Technical features of vertical suspended gas air heaters MV Eco
6
2-3
Technical features of centrifugal suspended gas air heaters MC Eco
8
Fan box assembly for MC Eco models
8
3
GAS AIR HEATERS INSTALLATION
10
3-1
Advice for installation
10
3-2
List of standard supports
10
3-3
SMR rotating brackets for MH16 Eco to MH50 Eco type
11
3-4
SMF fixed wall brackets for MH16 Eco to MH50 Eco type
12
3-5
SMF fixed wall brackets for MH60 Eco and MH80 Eco type
13
3-6
SMF fixed wall brackets for MC21 Eco to MC60 Eco type
13
4
WIRING DIAGRAMS
14
4-1
Wiring diagram of centrifugal gas air heaters MC60 Eco - MC80 Eco
14
4-2
Wiring diagram of gas air heaters
15
4-3
Pilot wire concept
16
4-4
Remote faulty signal
16
4-5
Connection for standard controllers
17
5
FLUE CONNECTIONS
19
5-1
Généralités
19
5-2
Connection of flue pipe- B22—for MH, MC and MV Eco types
19
5-3
Connection of horizontal coaxial flue pipe – C12 — for MH and MC Eco types
20
5-4
Connection of vertical coaxial flue pipe - C32 - for MH and MC Eco types
21
5-5
Connection of vertical coaxial flue pipe - C32 - for MV Eco type
22
6
GAS DATA
23
6-1
Gas modification
23
6-2
Set up table for gas valve
24
7
GAS CONNECTION
25
7-1
Connection of gas air heaters
25
8
COMMISSIONING OF GAS AIR HEATERS
25
8-1
Working principle
25
8-2
Spare parts list
26
9
MAINTENANCE
27
10
RECOMMENDATION FOR END USER
27
11
TROUBLESHOOTING
28