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FAST-STAT @Fe)aalante)a m ts) .<a16 HVAC WIRING EXTENDER Tatsigcitsiere)a l alse aerersielars Overview Troubleshooting e The Common Maker provides a common connection 1. Measure the transformer voltage to ensure it is ‘C’ for Wi-Fi and powered thermostats. between 23-28VAC. If it is outside this range the Common Maker may not work as intended. e A common connection allows the thermostat to operate without batteries or “power stealing” circuits. 2. If the thermostat has power but the Common Maker will not activate the equipment, try reversing the wires e The Common Maker is compatible with all 24VAC in the thermostat cable. heating and cooling systems. Incorrect Correct Electrical Safety Thermostat Thermostat e This product should only be installed by a qualified technician. e Requires a Class 2 transformer providing 23-28VAC. e The total connected load must not exceed 2 amps. e The connected load cannot operate at more than Thermostat Thermostat SOVAC (not designed for direct connection to 1ZOVAC Cable Cable equipment). e Toavoid risk of electrical shock or equipment damage, disconnect power before beginning installation. Sender Installation The Sender is the smaller component and has purple, white, and black wires. It is installed inside the wall behind Furnace Furnace the thermostat. 3. At the thermostat base, place a jumper wire between 1. Remove the thermostat from its base. the ‘R’ and ‘W’ terminals. This should cause the heating system to start. If the heating system does not start, 2. The thermostat base will have wires running into the the thermostat cable or Common Maker may be faulty. _ wall through a small hole. If this hole is not big enough to fit the Sender, enlarge the hole. 4. Disconnect the Sender and bring it to the location of the Receiver. While keeping the Receiver connected 3. Find the wiring diagram for your system (pages 2-4) to the equipment, connect the Sender and Receiver and connect the wires accordingly. purple wires together. Then apply 24VAC to the 4. Place the Sender in the wall. It will hang by its wires Sender white wire. The relay in the Receiver should and does not require any mounting. energize. If the relay does not energize, the Common Maker may be faulty. 5. Place the thermostat back on its base. Note: The Sender will produce a small amount of heat Internal Wiring while operating. Keep the Sender wires as long as possible When the Sender has 24VAC applied to its white wire, it to maximize the distance between the Sender and will energize the relay in the Receiver, and complete the thermostat. Do not install the Sender in insulated walls. circuit between the Receiver red and white wires. In most Receiver Installation installations, this will connect the ‘R’ and ‘W’ terminals on the furnace. The Receiver is the larger component and has purple, Standard Dry-Contact white, black, and red wires. It is installed near the furnace, boiler, air handler, zone valve, or zone controller. It should be placed in the equipment cabinet or a location without exposure to liquids or high temperatures. To Sender Follow the relevant wiring diagram for your system (pages 2-4) and connect the wires accordingly. Additional wiring diagrams may be found at www.fast-stat.com. Testing The Common Maker also supports dry-contact switching. After the Common Maker has been installed, check to see In this configuration, the two ‘T’ terminals are electrically if it is functioning properly by following these steps: isolated from the thermostat transformer. 1. Check that the thermostat will power on. Contact Us 2. Use the thermostat to turn on the heating system, and For installation assistance, our technical support line can ensure that the heating system turns on. be reached at 1-800-775-4750, 9am-5pm PST, or emailed 3. Usethe thermostat to turn off the heating system, and at [email protected] ensure that the heating system turns Off. nordic TECHNOLOGY Page 1 of 4 www.fast-stat.com Typical Installation for Furnaces and Boilers Before After Thermostat Thermostat Sender '©|® © @ a Qe Wie Black : Purple rit 4 If your system has additional / : Thermostat wires (G, H, etc), they can ' , Thermostat Cable remain connected directly to |' Cable the equipment. ‘shee Receiver eit o [OV = Purple Common Maker J 0 / j | i i ij Em Gem Furnace / Boiler Furnace / Boiler “Dry Contact Switching with Internal Transformer Before After Thermostat Thermostat Sender 9O@ | - i : it, : : j Thermostat | Thermostat Cable l Cable : Receiver i : eeeeeeeeeee ee l EREETLEEELLTEELTERELaL E E| | LE | eGGGa aQ2a»m RanmDpD i Common u Maker Ccaceeeeeeeeeeseseeeeeeesss : LTLLTTIEBLMALaLLLLLLTELLEATTLLLLDILLELEEELLELLeLLEO LDLEGEA LE ELLEE LL L LDLE D L ET LA Controller Controller Page 2 of 4 naoraic TECHNOLOGY wwe fasesistcort Dry Contact Switching with External Transformer Before After Thermostat Thermostat Sender - : TE l Thermostat ca Thermostat i Cable a Cable : ena i Ce Receiver i [ O \ L 4bcace eeoaeae: a ; Purple Black Common Red SreCeceemcOCcmoeeemeerarreeyeerreere te e eet a n, LEEEGEELE EEE i EESLeGGGGa @aa »DpanP a Ga White Maker F= RaiEE ERE PE T |p airres e eae &, 0 / If a 24V transformer is not | 3 ee es accessible, a new transformer will i ie Ses have to be installed at the location i i : 24V Transformer of the Common Maker Receiver. 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