AHI Carrier Catalog | Page 656

Options Specifications

Sensors ( option )
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Water sensor
A water temperature sensor can be provided as an option for NTC and WTC controllers .
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For 2-pipe coil : The sensor is installed on a cooling / heating water pipe ( for change-over function ).
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For 4-pipe coil : The sensor is installed on a heating water pipe ( for cold-draft function that prevents the operation of the unit when the heating network is off ).
In case of fan-coil unit delivered with an electrical box , the “ water sensor ” option is actually a switch that will be connected to the Carrier thermostat .
Condensate pump ( option )
NOTE : - The water sensor option ( switch ) with electrical box is only available for 2-pipe coil without electrical heater .
- A water probe can also be provided as an accessory only in order to use the cold draft function of the thermostat .
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Air sensor
Two air sensors , factory fitted , are available as an option for NTC and WTC controllers . They measure the air temperature at the inlet and / or at the outlet side .
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CO 2 sensor For indoor air quality control , a CO 2 sensor is available as an option for NTC and WTC controllers . The sensor is factory fitted at the inlet side .
The condensate pump option is designed to fit on the side of the unit drain pan . Electrical power supply 230V-50 / 60Hz . Condensate pump discharge performances :
Table of actual discharge ( l / h )
Total length of pipe ( Ø int . 6 mm ) A
Discharge head ( B )
5 m
10 m
20 m
30 m
0 m
20
19
18
17
2 m
16
15
14
13.5
4 m
11.5
11
10.5
10
6 m
-
8.5
7.5
6.5
8 m
-
6
5
4
10 m
-
4
3.5
2.5
AIR TREATMENT
656 C A R R I E R 2 0 1 6 / 2 0 1 7