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DIFFERENTIAL CONTROLLER FOR TWO TEMPERATURES OR TWO 0 ... 10 V- SIGNALS

DDM 328

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APPLICATION

Suitable for (example):

Control diffusors according to flow/room temperature differential.
Control dampers according to outside/room humidity differential.
Control pump according to flow/room temperature differential.

compatible.

Essential accessories:

two NTC 10 kW temperature detectors.
or two sonde 0 ... 10 V- detectors.

FEATURES

Power supply: 230 V ~.
Consumption: 3 VA.
DIN 53 x 115 modular case.
Protection: IP 40.
Digital programming by means of 4 operating keys and three-figure display.
Modulating control (three-wire) or On-Off in two stages or On-Off for minimum and maximum limits.
Progressive 0 ... 10 V- control.

Code		Description	Data sheet
DDM 328		Controller for differential between two temperatures or two 0 ... 10 V– signals.	D 156

DETECTORS & ACCESSORIES

Code		Description	Setting range	Sensing element	Data sheet
SAB 010		Room temperature detector.	0 ... 40 °C	NTC 10 kΩ	N 111
SIH 010		Immersion temperature detector.	0 ... 99 °C	NTC 10 kΩ	N 140
STA 010		Air duct temperature detector.	0 ... 99 °C	NTC 10 kΩ	N 150
SUR 704		Relative humidity detector.	10 ... 90%	0 ... 10 V-	N 221
SUT 714		Relative humidity and temperature detector.	10 ... 90%	0 ... 10 V-	N 222
SAU 914		Relative humidity	10 ... 90 %	0 ... 10 V	N 227
SAU 914		& temperature sensor.	0 ... 40 °C	NTC 10 kΩ	N 227