ECO2 Systems SANCO2 GS4-45HPC Installation Manual page 14

Figure 8:Connecting Heat Pump unit thermistor cable
 Installing contractor should be licensed by applicable state/province and municipal
authorities to install an Electrical & Plumbing product.
Please note:
The unit has been designed for heating potable domestic hot water and any other

All Electrical Wiring should be done in accordance with the latest
usage, such as space heating requires a heat exchanger suitable for local codes to
be installed on the system to separate potable and non-potable water.
edition of the National Electrical Code (NEC) and all local State/
Province and Municipality codes.
The unit is designed to operate when connected to the water supply with a

maximum operating pressure of 95PSI (655 kPa). To ensure the mains pressure
does not exceed this, first check incoming cold water mains pressure, and then a
pressure regulating device must be connected to the water supply line.
Electrical Installation
DANGER

Installation of a temperature tempering device is MANDATORY to avoid potential
Installation of this system must be carried out only by a qualified installation
scalds and burns.
technican (electrical, HVAC or plumbing).
The unit must be stored and transported in an upright position. Failure to do so may

Remove the piping cover.
render the unit faulty. Such failure is not covered under any warranty agreements.
Connect the thermistor cable line to the terminal block.
Failure to comply with the above conditions will void the warranty.
Fix the thermistor cable with the code clip and conduit clip.
Attach the piping cover back on the heat pump unit.
Blue
Black
This system delivers hot water exceeding 120
Thermistor cable
25mm
or
less
Sanden Heat Pump – Owner's Manual
Page 7 of 24
SANCO
Green
Green
Wihte
Code clip
Conduit clip
Heat Pump – Installation Manual
2
Page 14 of 44
o F (50 o C).