
28
Product description
Lower mounting board
5
6
7
9
8
10
11
Lower mounting board
5 Auxiliary transformer
6 Transformer
7 Relay
8 Single motorized valve PCB
9 Relay
10 Single RAP valve control PCB
2
11 Double RAP valve control PCB
2
2 Depending on the model used, the single RAP valve control PCB (10) or double RAP valve control PCB (11) is
mounted in this position.
3.7 System Overview
System Overview – ECOi systems
Single-connection system
A AHU Kit enclosure (complete)
B AHUsystem(eldsupplied)
C Remote controller (integrated in AHU Kit enclosure)
D Outdoor unit
E Liquidpiping(eldsupplied)
F Gaspiping(eldsupplied)
G Electronic expansion valve
H Thermistor for liquid pipe
I Thermistor for gas pipe
J Thermistor for suction air
K Thermistor for discharge air
L Inter-unit wiring
M Magneticrelayforoperatingtheblower(eldsup-
plied)
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