ECH 200 BD
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Boiler off differential
Boiler off differential. If outdoor temperature exceeds Pa r14+Pa r13, the boiler will be turned off and the heat pump will
be turned on.
Supplementary electrical heater control
If this parameter =1 the electrical heaters have the double function of anti-freeze electrical heaters and supplementary
heaters
Otherwise (Pa r15=0) the electrical heaters have only the anti-freeze function
11.1.6 Defrost parameters (DFR)
Defrost enabled
0= defrost function enabled
1= defrost function enabled
Defrost start temperature/pressure
Temperature/pressure below which the defrost cycle is started.
Defrost interval (response time)
Duration for which probe remains below defrost start temperature/pressure. Expressed in minutes.
Defrost end temperature/pressure
Temperature/pressure above which defrost ends.
Maximum defrost time (time-out)
Maximum duration of defrosting. Expressed in minutes.
Compressor-reversing valve wait time (anti-bleeding)
Wait time between compressor going off and reversal of the 4-way valve at the beginning of the defrost cycle.
Drip time
Wait time at the end of the defrost cycle between turning off the compressor and reversing the 4-way valve.
Temperature at which defrost starts if Pa H49= 1
Temperature below which the defrost cycle is started.
Temperature at which defrost ends if Pa H49=1
Temperature above which the defrost cycle is ended.
Enable defrost compensation
See compensation temperature at defrost start
Defrost temperature/pressure compensation offset
See compensation temperature at defrost start
Defrost temperature/pressure compensation set point
See compensation temperature at defrost start
Defrost temperature/pressure compensation delta
See compensation temperature at defrost start
11.2 Table of parameters
All ”Ech 200” parameters are listed in the table below.
The parameters in gray are valid only for the models Ech 2xxB
CONFIGURATION PARAMETERS*
Par. Description Limits Unit of
measurement
Pa G01 “Cooling” set point
Pa G02 “Heating” set point
Pa H01 Maximum set point during heating Pa H02 ÷ 90.0 °C
Pa H02 Minimum set point during heating -40.0 ÷ Pa H01 °C
Pa H03 Maximum set point during cooling Pa H04 ÷ 90.0 °C
Pa H04 Minimum set point during cooling -40.0 ÷ Pa H03 °C
Pa H05 AI1 Configuration 0 ÷ 5 Num
Pa H06 AI2 Configuration 0 ÷ 3 Num
Pa H07 AI3 Configuration 0 ÷ 5 Num
Pa H08 AI4 Configuration 0 ÷ 4 Num
Pa H09 Bottom of scale pressure value 0-350 kPa*10
Pa H10 Polarity ID1 0 ÷ 1 Flag
Pa H11 Polarity ID2 0 ÷ 1 Flag
Pa H12 Polarity ID3 0 ÷ 1 Flag
Pa H13 Polarity ID4 0 ÷ 1 Flag
Pa H14 Polarity ID5 0 ÷ 1 Flag
Pa H15 Polarity AI1 0 ÷ 1 Flag
Pa H16 Polarity AI2 0 ÷ 1 Flag
Pa H17 Polarity AI4 0 ÷ 1 Flag
Pa H18 Configuration ID3 0 ÷ 6 Num
Pa H19 Configuration ID4 0 ÷ 6 Num
Pa H20 Configuration ID5 0 ÷ 6 Num
Pa H21 Configuration Al4 if digital input 0 ÷ 6 Num
Pa H22 Configuration relay 2 0 ÷ 1 Num
Pa H23 Configuration relay 3 0 ÷ 2 Num
Pa H24 Configuration relay 4 0 ÷ 2 Num
Pa H25 Optional analogue output configuration 0 ÷ 2 Num
Pa H26 Configuration of serial protocol (not used) 0 ÷ 1 Num
Pa H27 Selection of operating mode 0 ÷ 2 Num
Pa r14
Pa r15
Pa d01
Pa d02
Pa d03
Pa d04
Pa d05
Pa d06
Pa d07
Pa d08
Pa d09
Pa d10
Pa d11
Pa d12
Pa d13
Configuration
parameters
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