Siemens 125-699 owner manual Applications, AppIication 2584 Control Drawing, Heat Pump, Controller

Applications

			SUPPLY AIR
	COMPRESSOR 1	COMPRESSOR 2		ELECTRIC
				HEAT
	REVERSING	REVERSING		(OPTIONAL)
	VALVE*	VALVE*		HEATING /	O.A.
				COOLING	N.C.
				COIL
				COIL	O.A.
					DAMPER**
					(OPTIONAL)
				FAN
				N.O.	R.A.
				MIXED AIR
WATER	COIL	COIL			R.A.
SOURCE				TEMPERATURE
				SENSOR	DAMPER**
				(OPTIONAL)	(OPTIONAL)
* CONTROLLED INTERNALLY BY THE HEAT PUMP
** THE O.A. AND R.A. DAMPERS MUST					24 V-AC
BE MECHANICALLY LINKED.					FLN TRUNK
					AO1 (0-10V) *
					DO1
				ELECTRIC HEAT (OPTIONAL)	DO2
					DO3
				1ST HEATING COMPRESSOR	DO4
			2ND HEATING COMPRESSOR		DO5
			1ST COOLING COMPRESSOR		DO6
			2ND COOLING COMPRESSOR		DO7
				FAN	DO8
		SPARE AI (0-10V or 4-20mA) OR SPARE DI (DRY CONTACT)			DI3/AI3
		SPARE AI (10K THERMISTOR) OR SPARE DI (DRY CONTACT)			DI4/AI4
	MIXED AIR TEMPERATURE SENSOR 10K			THERMISTOR (OPTIONAL)	DI5/AI5
		N.O.	HEAT PUMP ALARM (OPTIONAL)		DI2
					DI6
		WALL			AO2 (0-10V)
TEC2574CDR1					AO3 (0-10V)
		SWITCH			RTS
		(OPTIONAL)
				RTS	HEAT PUMP
	*ON BOARD, AO1 IS GROUPED PYSICALLY WITH AO2 AND AO3				CONTROLLER -
					MULTI-STAGE

Figure 6. AppIication 2584 Control Drawing.

Siemens Building Technologies, Inc. 15