Model Ech 210 BD
Model Ech 215 BD
4.4.1 Relays
• NO1 - compressor, 2A resistive 250V~ (¼ HP at 240V~ , 1/8 HP 120V~ )
• NO2 - configurable, 2A resistive 250V~ (¼ HP at 240V~ , 1/8 HP 120V~ )
• NO3 - configurable, 2A resistive 250V~ (¼ HP at 240V~ , 1/8 HP 120V~ )
• NO4 - configurable, 2A resistive 250V~ (¼ HP at 240V~ , 1/8 HP 120V~ )
• NO5 – fan on-off, 2A resistive 250V~ (¼ HP at 240V~ , 1/8 HP 120V~ ) (for model ECH 215BD only)
Outputs NO2, NO3, NO4 may be configured as shown in the table below:
Value
Pa. Description
0 1 2 3
Pa
H22
Relay NO2
configuration
Pump Internal fan speed 1 Not permitted Not permitted
Pa
H23
Relay NO3
configuration
Reversing valve Internal fan speed 3 Second compressor or
capacity step
Not permitted
Pa
H24
Relay NO4
configuration
Anti-freeze electrical
heaters
Internal fan speed 2 Boiler Not permitted
If multiple outputs are configured to run the same resource, the outputs will be activated in parallel.
The maximum load present on the different outputs simultaneously must NOT exceed 8A
4.4.2 Triac
• TK – control of condensation fan or supplementary anti-freeze electric heaters.
For model Ech 210 BD the maximum current is 2A-250V~.
For model Ech 210 BD NO downstream remote control of triac is permitted
For model Ech 215B NO triac is expected.
The TK output may be configured as shown below:
Value
Pa. Description
0 1 2 3
Pa F01 Configuration of
TK output
Proportional
condensation fan
control
ON-OFF temperature
fan control
Anti-freeze electric
heaters for water-
water machines
with gas reversal
ON-OFF fan
control in
response to
compressor
Labels
Relays:
configuration
table
TK output:
configuration
table
IA3 IA2 IA1IA4
ID3 ID2 ID1ID4ID5TC12~ 12=
12~ ALL GND GND
3456789 2 1
NO1 NO2 NO3 NO4TK NNN
RELAYS 2(2)A 250V~
TRIAC(TK) 2A 250V~
SERIAL KEYB
IA3 IA2 IA1IA4
ID3 ID2 ID1ID4ID5TC12~ 12=
12~ ALL GND GND
3456789 2 1
NO1 NO2 NO3 NO4NO5 NNN
RELAYS 2(2)A 250V~
SERIAL KEYB
EXP
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