Instruction/ maintenance manual of the product 8870 Echo
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A PART OF THE APRILAIRE ® INDOOR AIR COMFORT SYSTEM AUTOMA TED HV AC THE B EST IN I N DOOR AIR C OMFORT ® Communicating Thermostat System Installation Manual.
This manual will guide the installer through the installation, wiring and checkout of an Aprilaire Model 8870 Communicating Thermostat System. Instructions for the Aprilaire 8840 Series communicating thermostat system are found in a separate document (DP 10004345).
ILLUSTRA TION 1 – System Components Model 8870 Thermostat RS-422 Communicating Thermostat controls single or multi-stage heat/cool or heat pump HV AC systems. Model 8811 Protocol Adapter Use to convert RS-485 communication signal from Aprilaire Communication System to RS-232 communication signal readable by host computer .
2 MODEL 8870 THERMOST A T The Model 8870 Thermostat is field configurable to operate single and multi-stage separate heating and cooling equipment (such as furnace and air conditioner or roof top units), or single and multi-stage heat pump systems.
CA TEGORY 5 (4-P AIR TWISTED) COMMUNICA TION WIRE INST ALLA TION TIP: USE A PIECE OF T APE TO IDENTIFY WHICH THERMOST A T EACH CABLE IS RUN TO ZONE DAMPERS 2-WIRE THERMOST A T CABLE MODEL 8027 PLUG-IN.
4 1. Thermostats and sensors are to be located according installation instructions provided with the units. The thermostat has four configuration dip switches on the circuit board that must be set according to the equipment the thermostat will be controlling.
JOB TITLE: JOB LOCA TION: D A TE: INST ALLING CONTRA CT OR: ADDRESS LOCA TION ADDRESS LOCA TION ADDRESS LOCA TION ADDRESS LOCA TION ADDRESS LOCA TION ADDRESS LOCA TION ADDRESS LOCA TION ADDRESS LOCA T.
6 A qualified HV AC technician should perform this step to ensure proper termination. 1. Make sure the HV AC system power is off. 2. The Thermostat Installation Instructions show wiring diagrams for several different HV AC equipment types. Use DIAGRAMS 1 & 2 as a reference only .
RC RH G W2 C RSC RSA RSB RSR R REF Y2 B- B+ A- BLU/WHT ORG/WHT BLU GRN ORG BRN BRN GRN BLU/WHT ORG/WHT BLU ORG BRN GRN BLU/WHT ORG/WHT BLU ORG BRN GRN BLU/WHT ORG/WHT BLU ORG RC RH G W2 C RSC RSA RSB RSR R REF Y2 B- B+ A- BLU/WHT ORG/WHT BLU GRN ORG BRN RC RH G W2 C RSC RSA RSB RSR R REF Y2 B- B+ A- BLU/WHT ORG/WHT BLU GRN ORG BRN 7.
RC RH G W2 C RSC RSA RSB RSR R REF Y2 B- B+ A+ A- BLU/WHT ORG/WHT BLU GRN ORG BRN BRN GRN BLU/WHT ORG/WHT BLU ORG B + B- REF A- RC A+ A- B+ B- A+ A - A B A+ OFF ON OFF ON OFF ON ON OFF ON OFF ON OFF P.
ORG/WHT BLU/WHT RED/WHT BLK/WHT ORG/WHT BLU ORG BLU/WHT CA T -5 ORG/WHT BLU BLU/WHT ORG BLU/WHT BLU ORG/WHT ORG GRN/WHT BLU/WHT BLU ORG/WHT ORG GRN/WHT CA T -5 WHEN CONNECTING MUL TIPLE DISTRIBUTION P.
10 ORG/WHT BLU/WHT RED/WHT BLK/WHT ORG/WHT ORG BLU BLU/WHT ORG BLU/WHT CA T -5 ORG/WHT BLU PRO T OCOL ADAPTER PIN-OUTS RS-485 CONNECTIONS WIRE COLOR FL YING LEADS BLK/WHT RED/WHT ORG/WHT BLU/WHT SIGNA.
11 1. MAKE SURE THA T ALL SWITCHES IN THE DISTRIBUTION P ANEL ARE OFF! 2. Use a 2-wire thermostat cable to connect the load terminals of the Model 8027 Plug-in T ransformer to the 24V AC terminals of the Distribution Panel (see DIAGRAM 3 ). 3. Plug-in the transformer .
12 IMPORT ANT! THESE STEPS MUST BE DONE A T EACH THERMOST A T FOR COMMUNICA TION TO WORK PROPERL Y . 1. Press the Mode and Enter buttons simultaneously through the thermostat. It may take a couple of tries to get them pressed together . This will enter the Thermostat Set Up Menu.
1. Connect the Protocol Adapter RS-232 output to a computer with Windows ’ 95, ’ 98, Windows 2000 or Windows NT . This may already have been done in Step 7 . 2. T urn on the computer . 3. From the Start menu, select PROGRAMS ➾ ACCESSORIES ➾ COMMUNICA TION ➾ HYPERTERMINAL (see ILLUSTRA TION 6 ).
6. This will bring up a Connect to dialog box. From the pull down next to “ Connect using: ” , select the Com port to which the Protocol Adapter is connected (see ILLUSTRA TION 8 ). Start with Com port 1 (or the next lowest available number) if you are unsure which one to use.
15 8. From the File pull-down menu, select Properties . This will bring up a Properties dialog box. 9. Select the Settings tab. Make the following selections (see ILLUSTRA TION 10 ): T erminal keys Ctrl+H Emulation: Auto Detect T elnet terminal: ANSI Backscroll buffer lines: 500 10.
B + B- REF A- RC A+ A- B+ B- A B A+ OFF ON OFF ON ON OFF ON OFF PWR PWR A B A B R CA + A- B+ B- “ A ” LED flashes when communications are transmitted “ B ” LED flashes when communications are receiv ed 1. At the computer type SN? (it does not matter if it is small or capital letters) then press Enter .
ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF OR BL BK RD 2/ YB B4 B8 24V 24Vc Communication Card POWER 24V AC 485 SERIAL IN OR BL BK RD Y2 W1 24V(c) 24V R G Y1 W2 CLK1 RS1 1 RS+v RS2 CLK2 2.
PRO T OCOL AD APTER WITH CO VER REMO VED JP9 Place these 2 jumpers on just one pin RJ11 Connectors Y2 W1 24V(c) 24V R G Y1 W2 CLK1 RS1 1 RS+v RS2 CLK2 2 Communication Card MODEL 8809 COMMUNICA TING SU.
A full command set and detailed explanation of the command set is available for those who want to write their own software. Contact Research Products Corporation at 888-782-8638 to request a copy of DP 10005756. Upper or lower case letters may be used for all commands.
COMMAND DESCRIPTION V ALUE Communication Control Commands CR Command Response Control Silent / Quiet / Normal C1 Change of State (COS) – HV AC relays ON/OFF C2 COS – T emperature ON/OFF C3 COS –.
21 JOB TITLE: JOB LOCA TION: D A TE: INST ALLING CONTRA CT OR: ADDRESS LOCA TION ADDRESS LOCA TION ADDRESS LOCA TION ADDRESS LOCA TION ADDRESS LOCA TION ADDRESS LOCA TION ADDRESS LOCA TION ADDRESS LOC.
DP 10005754 1.5.4.02 1015 E. W ASHINGT ON A VE. • MADISON, WI 53703 • PHONE: 888/782-8638 • F AX: 608/257-4357 • www .aprilaire .com.
An important point after buying a device Echo 8870 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Echo 8870 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Echo 8870 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Echo 8870 you will learn all the available features of the product, as well as information on its operation. The information that you get Echo 8870 will certainly help you make a decision on the purchase.
If you already are a holder of Echo 8870, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Echo 8870.
However, one of the most important roles played by the user manual is to help in solving problems with Echo 8870. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Echo 8870 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
