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Data sheet ECL Comfort 310 controller, Remote Control Units ECA 30 / 31 and Application keys
28
VD.KT.X3.02 © Danfoss 04/2015
DEN-SMT/DK
ECL Application Keys (continued):
Type Application type description Controller output
signals
Code no.
A237
• Weather compensated ow temperature control of heating systems.
Circulation pump control. Room temperature control and sliding return
temperature limitation. Flow / power limitation. Temperature control of
secondarily connected DHW circuit with storage tank charging system or
storage tank with internal heat exchanger. Optional ON / OFF control of
the DHW circuit in connection with primarily connected storage tank with
internal heat exchanger. DHW circulation pump control. Frost protection
and alarm function.
• The A237 application key contains applications related to ECL Comfort 310
for increased functionalities (M-bus).
1 x 3-point, 3 x 2-point 087H3806
A247
• Weather compensated ow temperature control of heating systems.
Circulation pump control. Sliding return temperature limitation. Flow /
power limitation. Temperature control of DHW circuit with storage tank
charging system. DHW circulation pump control through the storage tank
or the heat-exchanger. Frost protection and alarm function.
• The A247 application key contains applications related to ECL Comfort 310
for increased functionalities (room temperature sensor and M-bus).
2 x 3-point, 3 x 2-point 087H3808
A260
• Weather compensated ow temperature control of heating systems.
Circulation pump control, room temperature control and sliding return
temperature limitation for two independent heating circuits. Flow / power
limitation, frost protection and alarm function.
• The A260 application key works in ECL Comfort 310 for increased
functionalities (M-bus).
2 x 3-point, 2 x 2-point 087H3801
A266
• Weather compensated ow temperature control of heating systems.
Circulation pump control, room temperature control and sliding return
temperature limitation.
• Temperature control of DHW circuit with DHW circulation. Return
temperature limitation, sliding DHW priority, frost protection and alarm
function. Optional control of DHW heating based on DHW demand.
• The A266 application key works in ECL Comfort 310 for increased
functionalities (M-bus).
2 x 3-point, 2 x 2-point 087H3800
A275 • Weather compensated ow temperature control of 1-stage boiler based
heating systems. One direct heating circuit and one mixing circuit.
Circulation pumps control, room temperature control and sliding return
temperature limitation.
• Temperature control of DHW storage tank with internal heat exchanger.
Frost protection and alarm function.
• The A275 application key contains applications related to ECL Comfort 310
for increased functionalities (multiple boiler stages).
1 x 3-point, 4 x 2-point 087H3814
A333 • Weather compensated ow temperature control of a heating system.
ON / OFF and speed control of 1 or 2 circulation pumps and sliding return
temperature limitation. Flow / power limitation. Frost protection and alarm
function. ON / OFF and speed control of 1 or 2 rell water pumps.
Rell water storage control. Pressure release function. Pressure and
temperature monitoring. Frost protection and alarm function.
1 x 3-point, 7 x 2-point*
or
1 x 0 - 10 V control*, 7 x
2-point*
087H3818
A361 • Weather compensated ow temperature control of 2 heating circuits.
Supply temperature dependent ow temperature control. 2-pump control
for circulation. Sliding return temperature limitation. Flow / power
limitaion. Rell water function. Frost protection and alarm function.
2 x 3-point, 7 x 2-point* 087H3804
A367 • Weather compensated ow temperature control of 2 heating circuits.
Circulation pump control. Room temperature control and sliding return
temperature limitation. Flow / power limitation.
• Temperature control of secondarily connected DHW circuit with storage
tank charging system or storage tank with internal heat exchanger.
Optional ON / OFF control of the DHW circuit in connection with primarily
connected storage tank with internal heat exchanger.
DHW circulation pump control. Frost protection and alarm function.
2 x 3-point, 5 x 2-point 087H3813
A368 • Weather compensated ow temperature control of a heating circuit.
Supply temperature dependent ow temperature control. 2-pump control
for circulation. Sliding return temperature limitation. Flow / power limitation
Flow / power limitation and rell water function.
• Temperature control of a DHW circuit with DHW circulation, return
temperature limitation and sliding DHW priority. Frost protection and
alarm function.
2 x 3-point, 5 x 2-point 087H3803
* ECA 32 module needed
- ECL Comfort 310 controller 1
- A214.3, ex. a: 5
- A214.5, ex. a: 5
- A314.2, ex. b: 7
- A314.3, ex. a: 7
- DEN-SMT/DK 10
- 87H2024.10 12
- A347.2, ex. a: 14
- Parallel mode or DHW priority 14
- A260.1, ex. a: 14
- Two heating systems 14
- A260.1, ex. d: 15
- A266.1, ex. a: 15
- A266.2: 16
- (ow switch) 16
- A275.1, ex. a: 16
- A275.2, ex. a: 17
- A275.3, ex. a: 17
- A375.1, ex. a: 18
- A375.2, ex. a: 18
- A375.3, ex. a: 19
- (3). Optional DHW priority 19
- Burner control overview: 19
- A376.1, ex. a: 24
- A376.2, ex. a: 24
- A377.1, ex. a: 26
- A377.2, ex. a: 26
- Accessories: 27
- ECL Application Keys 27
- Wiring - 230 V a.c 35
- Wiring - 24 V a.c 35
- ECL 210 / 310 36
- ECA 30 / 31 36
- Dimensions 37
- ECL Comfort 310 37
- ECL Comfort 310B 37
- ECA 30 / 31 cut-out for 38
- VD.KT.X3.02 40
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