Viconics T186 Series Manual

DESCRIPTION
The T186 series remote wall sensor with setpoint adjustment capability is
specifically designed to be used with Viconics' R842 electric baseboard relays.
The unique design of the R842 permits solid state proportional and integral (PI)
temperature control via the T186, resulting in exceptional temperature control
accuracy (± 0.5 ºF).
The T186 can replace conventional electro-mechanical thermostats when used
with the R842. Advantages include increased comfort and energy savings.
Typical savings of 3-7% is possible and is attributed to the elimination of wasted
energy inherent in less accurate electromechanical thermostats. Its solid state
design permits the elimination of bimetal elements and mercury bulbs, which
simplifies the installation since there is no anticipator and no levelling required.
In addition, it is an environmentally friendly product.
A pleasing aesthetic design ensures a harmonious blend in most room decors.
The T186 can be directly mounted to any flush vertical surface or to a standard
2" x 4" electrical mounting box via two mounting screws. Celsius and Fahrenheit
models are available.
Using the T186 with the R842 relay will provide unmatched performance and
give years of trouble-free installation.
Features
• Electronic PI performance
• Solid state design
• No bimetal elements
• No mercury bulbs
• Fahrenheit or Celsius temperature scale
• Elegant aesthetic design
• Mounts on any surface or standard electrical box
TABLE 1: ORDER CODE
Scale Range
5 °C to 30 °C
40 °F to 90 °F
WIRING DIAGRAM
RED
BLACK
BLUE
L1
Load side
L2 / N
Junction box
Fig.3 – Wiring diagram of T186 sensor with R842 relay
Note: refer to R842 manual for multiple relay application.
T186 Electronic Wall Sensor With Setpoint Adjustment
T186 sensor
2 wire non polarized
Internal circuit
3
ON
2
1
2
1
Set both switch on relay
to OFF position
For Use With R842 Baseboard Relay
Benefits
⇒ Increased comfort , accuracy, and energy savings
⇒ Increased reliability
⇒ No need to worry about anticipator settings
⇒ No levelling required; environmentally friendly
⇒ Can be sold world-wide
⇒ Blends well in all environments
⇒ Increased flexibility
Sensor model
T186C-01
T186F-01
APPLICATION & WIRING
• Use proper dip switch setting on R842 relay
• Refer to each wiring caution
Viconics T186 PI Wall Sensor
Refer to Fig.3 for wiring diagram of T186 with
one R842 relay.
1 High voltage blue wire is always connected. R842
units are powered devices.
2 Provide overload protection and disconnect as
required.
3 Do not use 24 Vac terminal #1 as power supply to an
electronic thermostat. Use a separate transformer.
Fig.1 - T186 wall sensor with setpoint
adjustment
Fig.2 - R842 baseboard relay for electric
heaters
Replacement cover
C186C-01
C186F-01
1