Communication System Wiring, Distribution Panel | Echo 8870 guide

COMMUNICATION SYSTEM WIRING

DIAGRAM 3 shows all communication system wiring with terminations. Steps 6 through 8 provide additional detail for each wiring step.

DIAGRAM 3 – System Communication Wiring

	Model 8811 PROTOCOL ADAPTER
7.5VAC	POWER RX TX RX TX RX TX
XFMR	POWER RX TX RX TX RX TX
XFMR		DATA	ENABLE		DATA
		DATA	ENABLE		DATA
		RS-485 RS-485 RS-232
	Model 8811 Protocol Adapter
	Power
	7.5VAC	RS-485		RS-485		RS-232
		BLU/WHT				BLU/WHT			AUTOMATION
		BLU/WHT				BLU/WHT				SYSTEM
							BLU			SYSTEM
		ORG/WHT					BLU
		RED/WHT				ORG/WHT
		BLK/WHT				ORG
							CAT-5
					ORG	ORG/WHT	BLU BLU/WHT		Model 8818
								DISTRIBUTION PANEL

					A+ A-		B+ B-	REF		A
										B
	A+	A							A	A+
	A-	ON		OFF					A	A-
	A-	ON		OFF				OFF	ON	A-
	B+	B						OFF	ON	B+
	B+	B							B	B+
										-
	B	ON		OFF						B
	B									B
	-							OFF	ON
	R	PWR						OFF	ON	R
	R								PWR	R
	C								PWR	C
	C									C
	A+	A							A	A+	ORG
	A-	A							A	A-	ORG/WHT
	A-	ON		OFF			SPARE FUSE	OFF	ON	A-	ORG/WHT
	B+ B- R C	ON		OFF				OFF	ON	C R B- B+	BLU
		B							B		BLU
		B							B		BLU/WHT
		ON		OFF				OFF	ON		BLU/WHT
		ON		OFF				OFF	ON		GRN
		PWR							PWR		GRN
											BRN
	A+	A							A	A+	ORG
	A	A							A	A-	ORG/WHT
	A	ON		OFF				OFF	ON	A-	ORG/WHT
	-									B+
	B+										BLU
	B+	B							B		BLU
	B	B							B	B-	BLU/WHT
	B									B-	BLU/WHT
	-	ON		OFF				OFF	ON
	R	ON		OFF				OFF	ON	R	GRN
	R	PWR							PWR	R	GRN
	C						FUSE			C	BRN
	C						FUSE			C
	A+	A							A	A+	ORG
	A-	A							A	A-	ORG/WHT
	A-	ON		OFF				OFF	ON	A-	ORG/WHT
		ON		OFF				OFF	ON

Model 8051

FLUSH MOUNT

SENSOR

WIRETSTAT	CABLE	RSR
-	GRN	RSR
2	BRN	RSC
	BRN	RSC
	BLU	RSB
	ORG	RSA
		T1
		T2
		T3
		T4

CAT-5	Model 8061 OR 8062 SUPPORT MODULE
CAT-5

	BRN	C	RC
		R	RC
	GRN	R	RH
	GRN	RSR	RH
	GRN	RSR
	BRN	RSC	R.V.-Cool (O)
	BLU	RSB	R.V.-Cool (O)
	BLU	RSB	G
		RSA	G
	ORG	RSA	HUM W1
		REF	HUM W1
		REF	DEH Y1
		B-	DEH Y1
	BLU/WHT	B-	W2
		B+	W2
	BLU	B+	Y2
		A-	Y2
CAT-5	ORG/WHT	A-
CAT-5	ORG	A+
		R.V.-Heat (B)
		Model 8870 THERMOSTAT
	BRN	C	RC
		R	RC
	GRN	R	RH
		RSR	RH
		RSR
		RSC	R.V.-Cool (O)
		RSB	R.V.-Cool (O)
		RSB	G
		RSA	G
		RSA	HUM W1
		REF	HUM W1
		REF	DEH Y1
CAT-5		B-	DEH Y1
CAT-5	BLU/WHT	B-	W2
		B+	W2
	BLU	B+	Y2
		A-	Y2
	ORG/WHT	A-
	ORG	A+
		R.V.-Heat (B)

Model 8870 THERMOSTAT

	B+	B	B	B+	BLU
	B	B	B	B-	BLU/WHT
	B			B-	BLU/WHT
	-	ON OFF	OFF ON
	R	ON OFF	OFF ON	R	GRN
	R	PWR	PWR	R	GRN
	C			C	BRN
			MAIN
		24VAC	PWR
		24VAC
		C R	ON OFF
40VA	Model 8027 PLUG-IN
XFRMR	Model 8027 PLUG-IN
XFRMR	TRANSFORMER
	TRANSFORMER

CAT-5

BRN

GRN

BLU/WHT BLU

ORG/WHT ORG

C							RC
R							RC
R							RH
RSR							RH
RSR
RSC				R.V.			-Cool (O)
RSB				R.V.			-Cool (O)
RSB							G
RSA							G
RSA							HUM W1
REF							HUM W1
REF							DEH Y1
B-							DEH Y1
							W2

B+
B+							Y2
A-							Y2

A+

R.V.-Heat (B)

2-WIRE TSTAT

CABLE

Model 8870 THERMOSTAT

7

Image 9

Echo 8870 installation manual Communication System Wiring, Distribution Panel

Contents

Communicating Thermostat System Installation Manual Communicating Thermostat System Installation Manual StepAppendix Model 8870 Thermostat Tools YOU will NEED…Model 8811 Protocol Adapter Model 8818 Distribution Panel Model 8870 Thermostat Use Category-5 cable for all communication wiringModel 8818 Distribution Panel Model 8061 and Model 8062 Support Modules Illustration 2 Run Wire For System RUN the Required Wires see Illustration FEW Minutes Spent Writing Down Locate and Mount the Automation System Components Illustration 3 Network Interconnection Worksheet Fill Out and Leave with System Software Package Do not Turn on Hvac System Power YET Diagram 1 Typical Heating / Cool Wiring SchematicDiagram 2 Typical Heat Pump Wiring Schematic Distribution Panel Communication System Wiring Communication Terminal Definitions Diagram 4 Thermostat Communication Wiring Connect Multiple Distribution Panels Diagram 5 Multiple Distribution Panels VAC Transformer provided w/ protocol adapter Diagram 6 Protocol Adapter Wiring Turn on Power to ALL Hvac Equipment and to the Thermostats Provide Power to the Distribution PanelOther Switches CHECK-OUT Hvac System Operation Address the Thermostats and SET Highest Address Illustration 5 Setting the Thermostat AddressTo the right of the message center display Press the Enter button to select this sub-menu Illustration 6 Access HyperTerminal Setup Computer for Communication System CheckoutTurn on the computer From the Start menu, select Programs Illustration 7 New Connection Data bits Parity None Stop bits Flow control none Click OK Illustration 8 Select Com PortIllustration 9 Connection Properties Illustration 10 Terminal Settings Press Enter to clear the command lineIllustration 11 Ascii Setup Click OK to put away both dialog boxes CHECK-OUT Communications to the Thermostat Network Illustration 12 Com SwitchesType SN? and press Enter Type SN ID? and press Enter Appendix Diagram 7 Adding an 8870 Thermostat Illustration 13 Remove Terminating Resistors Diagram 8 Adding an 8840 Series Thermostat Aprilaire Command SET Command Response SyntaxTo be set. The value must follow the action with no Thermostat Sensing Commands Communication Control CommandsThermostat Hvac Operational Commands Auxiliary Information Commands Fill Out and Leave with System Software Package DP 10005754