Aquasmart System - Carrier AQUASMART 42JW Series Installation Manual

42JW/AQUASMART

Aquasmart System

4-Pipe version
Sensors
"Aquasmart" system is composed by two sensors:
• Air sensor:
factory mounted close to the heat exchanger coil and electrically
connected (HY-NEC board).
• Change over sensor:
electrically connected in the electric box (HY-NEC board). The
change over sensor , has to be positioned on the inlet water
pipe during installation, inserting it into the sensor holder
after having inserted the spring
2-Pipe and
2-Pipe + electric heater version
TB
1 2 3 4 5
W1
taking care to bend it a slight.
6 40 41 W1 N N N L1 L1 V1 V2 V3 V4
230V ~
2-Pipe version
Electric valve and regulation
The unit control (Aquasmart) regulates the opening of valves
according to the selected temperature.
Install to the unit the electric valve assembly.
Carry-out the assembling in accordance with the kit instructions.
Electrical connections
• Remove the electric box cover unsrewing the two fixing screws.
• Connect the electric valve
terminals.
• After connections have been completed, replace electric box
cover.
4-Pipe version
TB
1 2 3 4 5
W2
W1
E N G L I S H
Inlet water pipe
Sensor holder
Spring
Change over sensor
Electric valve
cable to the TB terminal block
6 W2 N W1 N N N L1 L1 V1 V2 V3 V4
230V ~
GB - 11