I/O Features Details; Main Settings; 33Aw-Cs1 User Interface - Carrier 30AWH004HB Service Manual

7.2.1 I/O features details

On /Off
used an external thermostat
Heat / Cool
- Fixed Water Set Point can be selected for Heat (code 113) and Cool
(code 115)
- Floating WSP based on OAT Climatic Curve can be selected (Installer
customized CC or predefined Carrier CC) code 112, 117-125
ECO
(code 114) and Cool (code 116)
Night Mode
(Frequency Reduction) To reduce max noise, max frequency can be
reduced (code 5, 6)
Sanitary Hot Water
In case SHW dry contact input is exercised, unit is always moved in Heat

7.2.2 Main settings

Unit ON/OFF mode input
Heating & cooling mode input
Leaving Water Temperature
(LWT) set-point
Climatic curve
Remote Out-door Air Temperature sensor
ECO mode input
Night mode
Sanitary Hot Water (SHW)
External Heat Source / Defrost output
Alarm or Terminal Fan-coil contact
Alarm Defrost or humidity selection
Water pump output
For more details refer to specific manuals

7.3 33AW-CS1 User interface

SM_30AW.indd 92
mode at the max WSP
Water Pump
For x and NX version, 230VAC WP output is on terminal block (230V 2A
max)
Alarm & Defrost
In case of Unit alarm or Defrost, an output is available on terminal block
(H version 230V, X version dry contact)
External Heat Source
When an EHS is requested a 230V output is energized to drive an
external heat source
SHW 3Way Valve
In case of SHW input is activated, unit is forced in heat mode at max
WSP and a 230 VAC 2A max output is available to drive, a 3WV
Alarm code
An alternate 5V signal is activated to point out on SUI the error code
CODE
146
302 Heat only, Cool only or Reversible
in heating 113 From + 20°C to +60°C
in cooling 115 From +4°C to +25°C
112 No predefined Climatic Curve (Installer has to draw CC)
1-12 HTG CC
1-2 CLG CC
See Nui manual or paragraph 7.3.5 for climatic curve details.
126 Enabled or disabled
(when disabled the 30AWH OAT sensor is enabled)
in heating 114 From 1°C to 20°C lower than LWT set-point (113)
in cooling 116 From 1°C to 10°C higher than LWT set-point (115)
input 005 Enabled or Disabled
frequency 006
demand input - Enabled
3W valve output - Enabled
106 Alternative heat-source (e.g. gas-boiler) or Defrost output
147 Alarm or terminal Fan-coil
108 Alarm Defrost or humidity selection
- Enabled
1. Service tool, for programming (customs settings) and diagnosis
purposes, when temporarily wired to the 30AWH...
2. All of the above, plus remote controller and programmer, when
installed in a room that is not representative of the indoor
temperature and relative humidity (e.g. basement, technical room,
garage, etc.).
3. All of the above, plus room thermostat and hygrostat, and many
customizable functions.
92
Carrier interfaces
33AW-RC1 AND DRY-CONTACTS SETTINGS
7
30AW
14-03-2011 14:46:01