TABLE OF CONTENTS
1.0
SAFETY ................................................................... 3
1.1
1.2
2.0
INSTALLATION ....................................................... 3
2.1
IMPORTANT INFORMATION ................................ 3
2.2
DELIVERY ............................................................. 3
2.3
2.4
2.5
2.5.1
2.6
2.7
2.7.1
2.7.2
2.7.3
required).......................................................... 5
2.7.4
3.0
OPERATION ............................................................ 5
3.1
3.2
3.3
4.0
MAINTENANCE ....................................................... 6
4.1
4.2
PROCEDURE: ....................................................... 7
5.0
Table 1:
Minimum Clearance ........................................4
Table 2:
Dip Switches Position......................................6
Table 3:
HYDRA - Technical Specifications .................9
Table 4:
Parts List - HYDRA........................................16
Figure 1:
Hydra Electronic Board ...................................5
Figure 2:
Boiler water temperature variation according
to outdoor temperature....................................8
Figure 3:
Component Identification.................................9
Figure 4:
Typical diagram of a single zone
installation .....................................................10
Figure 5:
Multizone electrical diagram with more than
one circulator.................................................10
Figure 6:
Multiple zones with motorised valve ..............11
Figure 7:
Electrical Diagram .........................................12
Figure 8:
Ladder Diagram ............................................13
Figure 9:
Typical diagram of a dual-energy installation
without 3-way valve .......................................14
Figure 10:
Typical diagram of a dual-energy installation
with 3-way valve ............................................15
Figure 11:
Parts List - HYDRA........................................16
2
TABLES
FIGURES