99
30AW
Carrier interfaces
7
154
EXTERNAL HEAT
SOURCE STATUS
This code is use to dene the external heat source status when
EHS is activated and OAT < temperature value set in Code 148:
0. Always On
0O0òEFQFOEJOHCZBDUVBM3PPN5FNQFSBUVSFWTSPPNUFN-
perature set-point(same hysteresis of Thermostat function). In
DBTFPG/6*JTOPUJOTUBMMFEPSSPPNTFOTPSVOBWBJMBCMF0O0ò
depending by water set-point (+1/-4 °C of hysteresis)
0O0òEFQFOEJOHCZXBUFSTFUQPJOU¡$PGIZTUFSFTJT
02 1
155
MAIN WATER PUMP
LOGIC VS EHS STATUS
This code is use to dene the water pump logic when EHS is
activated and OAT < (temperature value set in Code 148):
"MXBZT0ò
0O0òEFQFOEJOHCZ&)40O0òTUBUVT
2. Always On
02 1
156
TRACE HEATER / ADDI-
TIONAL WP LOGIC
This code is use to select the output connected at PIN 11 on
terminal strip. In case an additional water pump option is active,
this code is use to select its operating logic vs the SHW request (if
OAT > (temperature value set in Code 148)).
0. Trace he
"EEJUJPOBMXBUFSQVNQ0O0òEFQFOEJOHCZNBJOXBUFS
pump logic. This it means that in case of SHW activation, the
additional WP will be ON.
"EEJUJPOBMXBUFSQVNQ0O0òEFQFOEJOHCZNBJOXBUFS
pump logic, but always OFF when SHW is activated.
02 1
157
ADDITIONAL WATER
PUMP LOGIC
This code is use to dene the additional water pump logic, if it
has been installed, when OAT < temperature value set in Code
148:
"MXBZT0ò
0O0òEFQFOEJOHCZ&)40O0òTUBUVT
2. Always On
02 2
158
DELTA AIR
SET-POINT
This code is use to dene the hysteresis versus the temperature
SPPN4FU1PJOUUP0òUIF6OJUXIFOUIF4ZTUFN5ZQFJT/6*
installed and used as Thermostat (100 NUI code = 4).
0.2°C 1°C 0.3 °C
302 UNIT CONFIGURATION
This code is use to congure the unit: 0.
Cooling Only
1. Heat & Cooling
2. Heating Only
02 1
7.3.5 Climatic curves
Pre-set curves
Twelve heating curves and two cooling curves are available by accessing
to parameters 112 and 117 respectively of installer conguration table.
The curves are set to maintain a target indoor temperature of 20°C.
Code Nr. Name DESCRIPTION
VALUE RANGE
STANDARD
Min Max
SM_30AW.indd 99 14-03-2011 14:46:23