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Installation And Commissioning - Honeywell T6861 Series Data Sheet / Manual

Large lcd digital thermostat 220 vac 2-pipe fan coil control
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Application 2: 2 pipes Cool only wiring diagram
1
2
Cool valve
3
4
5
Fan
6
7
8
Remote Setback
9
Fig.2.3 Typical wiring for ON/OFF control in 2 pipe cooling only (VC4013)
1
2
Cool valve
3
4
5
Fan
6
7
8
Remote Setback
9
Fig.2.4 Typical wiring for 3-wire control in 2 pipe cooling only (VC6013)
Application 3: 2 pipes 1 stage Heat or 1 stage Cool
MCO wiring diagram
1
2
Cool valve
3
4
5
Fan
6
7
8
Remote Setback
9
Fig.2.5 Typical wiring for ON/OFF control in 2 pipes 1H1C (VC4013)
1
2
valve
3
4
5
Fan
6
7
8
Remote Setback
9
Fig.2.6Typical wiring for 3-wire control in 2 pipes 1H1C (VC6013)
APH07CH04 - R2001EN
L
N
L
N
L
N
L
N
Installation & Commissioning
Install the thermostat about 5 feet (1.5m) above the
floor in an area with good air circulation at average
temperature.
Do not install in locations where the thermostat can
be affected by:
• Drafts or dead spots behind doors and in corners
• Hot or cold air from ducts
• Sunlight or radiant heat from appliances
• Concealed pipes or chimneys
• Unheated/uncooled areas such as an outside wall
behind the thermostat
1 Pull wires through wire hole.
Loosen screw terminals, insert wires into terminal
block, then retighten screws.
2 Push the Power box into the junction box.


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