3M 3M-30 Install Manual Download Page 17

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Wire Reference Chart

Possible Wires

What they control

R or V or VR

and

Single power for HEAT and COOL

RH or 4

Power for HEAT (RH not connected to RC jumper clip removed)

Power for COOL (RH not connected to RC jumper clip removed)

Heat control

2nd stage HEAT or heat pump auxiliary heat

3rd stage HEAT or 2nd stage of 2 stage auxiliary heat

COOL control or 1st stage compression for heat pump.

2nd stage COOL control or 2nd stage compression for a heat pump

G or F

FAN control

C or X

24VAC power (to power thermostat )

NOTE: TRANE uses B for this connection

External Humidifier

External De-Humidifier

external fresh air baffle

Heat pump changeover (cool to heat, powered in heat)

Heat pump changeover (heat to cool, powered in cool)

B and O

IMPORTANT: If there are both B and O wires (Trane pump

products) DO NOT CONNECT B to B terminal, connect B to C

terminal. If not a Trane product tape off B.

n/a Emergency heat (do not connect, tape off)

n/a System monitor (do not connect, tape off)

n/a Outdoor sensor (do not connect, tape off)

Summary of Contents for 3M-30

Page 1: ...is designed for use with 3AA alkaline batteries and or 24 volt AC C wire or a 12 24 AC or DC source and millivolt gas systems Each thermostat relay load should be limited to 1 0 amp higher amperage may cause damage to the thermostat Caution To avoid electrical shock and to prevent damage to the furnace air conditioner and thermostat disconnect the power supply before beginning work This can be don...

Page 2: ...e there are unusual heating conditions such as in direct sunlight near a lamp radio television radiator register fireplace near hot water pipes in a wall or near a stove on the other side of a wall Do not locate in unusual cooling conditions such as on a wall separating an unheated room or in a draft from a stairwell door or window Do not locate in a damp area This can lead to corrosion that will ...

Page 3: ... carefully before removing any wiring from existing thermostat Wires must be labeled before they are removed THERE IS NO STANDARD COLOR CODE When remov ing wires from their terminals ignore the color of the wires and LABEL THEM by the lettered terminal where they were screwed Label the wires one at a time You must label all the wires before you proceed With all wires labeled remove them from the o...

Page 4: ...standard 12 24V AC or DC wall transformer A constant power source is required when using a radio module IMPORTANT If you have both RH and RC you need to remove the jumper wire between these 2 terminals Prepare Wires Please follow these guidelines for safe and secure wire connections You will need at least 2 6 of wire for each of your connections to the 3M 30 If you do not have enough wire splice a...

Page 5: ...re Heat Cool From Furnace RC C Y RH W C W Y RH G 4 Wire Heat Cool From Furnace G C Y RH W C W RH G 3 Wire Heat From Furnace C RH G W From Furnace C W C W RH RH 2 Wire Heat From Furnace W RH A W RH A 3 Wire Zoned Hot Water WIRES WIRES WIRES WIRES WIRES G RH C W2 W Y Y2 RH G 2 stage Cool 2 stage Heat From Furnace Y2 C W Y W2 C B or O W2 Y RH G 5 Wire Heat Pump w Aux Heat From Furnace RH C O or W2 B ...

Page 6: ...minal area Do not bunch wires behind the 3M 30 Feed any slack back into the wall opening Connect Your Wires Connect labeled wires only to a terminal with the same letter label Insert the wire in the terminal well and tighten the screw securely NOTE If you wish you can mount the 3M 30 to the wall first and then connect the wires The 3M 30 can be externally powered with a power source rated from 12V...

Page 7: ...he 3M 30 to the wall with the screws provided 4 If you are mounting the 3M 30 to sheet rock or if you are using the old mounting holes use the plastic anchors provided 5 Mark first and drill a 3 16 in 4 8mm hole for the insert at each screw location then mount the unit Screw to wall Place wires like this C B O WW2 YY2RHRCG A Wall Wires Wall anchor from HEAT COOL system C B O WW2 YY2RHRCG A C W Y R...

Page 8: ...AA Batteries Install 3 AA alkaline batteries required following the marked polarity in the battery compartment Put the lower battery in negative end first against the spring then push the positive end in Then insert the last 2 batteries as shown IMPORTANT Press the RESET button under top cover to implement the HVAC switch selections With all the wires connected it is time to turn the AC power back...

Page 9: ...or a month or more you should replace the batteries as a precaution against battery failure in your absence Always use new alkaline batteries Failing to replace the batteries when necessary could cause the thermostat to lose power or malfunction If the thermostat loses power then the thermostat will not control the temperature which could result in your HVAC system not functioning as you intended ...

Page 10: ...OL select 3 If you want efficient but slower recovery 2 stage HEAT 1 stage COOL select 4 2 stage HEAT 2 stage COOL select 5 NOTE For 2 stage systems your 3M 30 can recover from a temperature setback in 2 ways 1 Fast Recovery This uses your 2nd stage to bring the house to Target Temperature This may use slightly more energy 2 Efficient Recovery This uses the 2nd stage to bring your house to within ...

Page 11: ...e MANUAL screen Touch the icon and raise the target temp to 90 o F allow the system 2 minutes to respond Verify that heat is blowing from the system Return mode to OFF If you have a heat pump leave mode in OFF for 4 minutes before checking COOL TO CHECK COOL do not operate AC if the outside temp is below 65 o F Set the mode switch to COOL Touch the icon and lower cool target temperature to 50 o F ...

Page 12: ...heating It cannot be used with line voltage systems This thermostat is digital and your desired heat or cool temperatures can easily be set on the large touch screen with the buttons A minimum 4 minute off time protects the compressor from damage This thermostat runs on 3AA batteries It can also run on the HVAC systems 24VAC C wire or external 24VAC transformer connected to the C and RH terminals ...

Page 13: ...P 1 Connect the R or RH wire to the RH terminal This connects the heat power STEP 2 Connect the W wire to the W terminal This connects the heat STEP 3 Connect the G wire to the G terminal on the thermostat This connects the fan STEP 4 Set HVAC selection switches to NORMAL and If you have gas or oil heat set the HEAT TYPE to GAS If you have electric heat set the HEAT TYPE to ELEC Your system is now...

Page 14: ...Y RH RC G WIRES 5 Wire Heat Cool STEP 1 Connect the W wire to the W terminal This connects the heat STEP 2 Connect the Y wire to the Y terminal This connects the cooling compressor STEP 3 Disconnect the jumper between RH and RC terminals STEP 4 Connect the RH wire to the RH and the RC wire to the RC terminals This connects power STEP 5 Connect the G wire to the G terminal This connects the fan STE...

Page 15: ... the O or B wire to the B terminal This connects the change over valve If you have both O and B connect the O wire to the O terminal WARNING DO NOT connect B to B terminal see wire reference under Trane for B wire terminal STEP 2 Connect the W2 wire to W2 terminal This connects the auxiliary heat STEP 3 Connect the Y wire to Y terminal This connects the compressor STEP 4 Connect the R wire to RH t...

Page 16: ...minal This connects the fan STEP 7 Set HVAC selection switches to NORMAL and If you have gas or oil heat set the HEAT TYPE to GAS If you have electric heat set the HEAT TYPE to ELEC Your HVAC system is now connected to the 3M 30 Please Go To Page 6 W RH A WIRES 3 Wire Zoned Hot Water For Solenoid valve or Motor valve connect the wires based on diagrams below to the correct terminal on the 3M 30 US...

Page 17: ...ge COOL control or 2nd stage compression for a heat pump G or F G FAN control C or X C 24VAC power to power thermostat NOTE TRANE uses B for this connection H H External Humidifier DH DH External De Humidifier EX EX external fresh air baffle B B Heat pump changeover cool to heat powered in heat O O Heat pump changeover heat to cool powered in cool B and O IMPORTANT If there are both B and O wires ...

Page 18: ...W1 W2 2nd stage HEAT X2 Emergency heat do not connect tape off Zoned Hot Water 2 wire Your Wires Thermostat Terminal R RH W W 3 Wire Motor Driven Valves R or 5 RH power W or 4 W heat ON Y or G or 6 the 3rd wire A heat OFF Y or G or 6 the 3rd wire A heat OFF 3 Wire Solenoid Valves R RH power W A heat ON Y or G the 3rd wire W heat OFF Customer support filtrete radiothermostat com 888 607 5824 or www...

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