Hitachi RPI-4.0FSN4E - Typical Installation

2 Unit installation
SMGB0077 rev.0 - 01/2013
73
2
S
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Air thermistor
Two air thermistors are supplied inside the control box. The purpose and identication of each one is as follow:
Item
PCB socket / Thermistor
connector color
PCB socket number Thermistor length (mm)
Inlet air thermistor Blue THM 1 1200
Outlet air thermistor Red THM 2 1200
C A U T I O N
In case that the thermistors supplied with the Dx-Interface are not long enough, please make sure that the length
extension is properly done avoiding the sensing distortion and that the joint is properly insulated to avoid any
electrical failure.
N O T E
Whenttingtheairthermistor,rememberthattheymustbesecurecorrectly,inanadequateplacetoavoidexternal
inuences,likeambientconditions,andwheretheairtemperatureissignicant.
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Cable clamp example
1 Tie (Field supplied)
2 Cable clamp (Field supplied)
3 Thermistor (supplied)
C A U T I O N
The thermistor must be installed properly in order to
avoid water onto the thermistor.
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Typical installation
1 Thermistor.