Honeywell T6101, T6102 PRODUCT DATA
T6101, T6102
Underfloor Heating Controllers
CONTROL OF UNDERFLOOR HEATING LOOPS
PRODUCT DATA
Application
The underfloor heating sets are used to control underfloor
heating loops with or without additional radiator.
The RTL-Set limits the return temperature of an underfloor
heating loop in combined underfloor/radiator heating systems.
The thermostat is set between 20 and 50°C (68 and 122°F)
depending on the desired return temperature. It is available
with visible or concealed thermostat. The RTL-Set with the
concealed thermostat is set only once whereas the setting of
the visible thermostat can easily be changed anytime.
The Room Control-Set controls the flow of the medium through
the underfloor heating loop depending on the ambient room
temperature.
As the return temperature is controlled, the system designer
has to make sure that the supply temperature is suitable for the
floor design of the underfloor heating system. A too high supply
temperature may result in damage to the floor and to the floor
construction.
Design
The sets constist of:
• Underwall case with lid
• Protective render lid for use during building phase
• Thera-RTL or Thera-3 thermostat
• Thermostatic valve PN10, DN15, double or horizontal angle
body, with external threads to ISO 228 (Eurocone). Connections for copper, plastic or composite tube - see 'Accessories'
• Air vent
Materials
• Handwheel and socket made of plastic, white to RAL9016
• Lid made of sheet steel, white to RAL9016
• Underwall box and render lid made of dark grey plastic
• Thermostatic valve made of red bronze (horizontal angle
body) or brass (double angle body)
• Valve insert made of brass with EPDM O-rings and seat
sealing
• Air vent made of brass
Features
• Easy readability of set temperature from every angle
• Equipped with concealed limiting and blocking tabs
• Valve inserts follow AT-Concept
Specifications
Medium Heating water, quality to VDI 2035
ph-value 8 - 9.5
Setting range RTL-Set approx. 20...50°C
(68...122°F)
Room Control-Set approx. 6...28°C
(43...82°F)
Operating pressure Max. 10 bar (145 psi)
Differential pressure Max. 1 bar (14.5 psi)
k
-value RTL-Set
vs
with visible thermostat - 1.0
with concealed thermostat - 1.7
Room Control-Set - 1.0
Honeywell y Subject to change EN0H-2011GE25 R1206
T6101, T6102 - UNDERFLOOR HEATING CONTROLLERS
Function
Return temperature limiter are installed in the return of a radiator or underfloor heating loop. When the return flow temperature rises the valve closes and the flow through the heating
loop is throttled. When the return flow temperature decreases
the valve opens and the flow increases.
The function of the Room Control-Set is identical except for the
control mode. The thermostat senses the ambient room
temperature and controls the flow of the medium through the
heating loop accordingly.
Dimensions and Ordering Information
Please Note:
• To avoid stone deposit and corrosion the composition of the
medium should conform with VDI-Guideline 2035
• Additives have to be suitable for EPDM sealings
• System has to be flushed thoroughly before initial operation
with all valves fully open
• Any complaints or costs resulting from non-compliance with
above rules will not be accepted by Honeywell
• Please contact us if you should have any special requirements or needs
Fig. 1. RTL-Set with visible thermostat Fig. 2. RTL-Set with concealed
thermostat
Fig. 3. Room control-set
Table 1. Available versions and OS-Nos (OS=Ordering Specification)
Type kvs (cv)-value OS-No.
RTL-Set with visible thermostat 1.0 T6102RUB15
RTL-Set with concealed thermostat 1.7 T6102AUB15
Room Control-Set 1.0 T6101RUB15
Installation Examples
Supply
Supply
Retu rn
Retu rn
TRV
Ver a f i x
Fig. 4. RTL-Set Fig. 5. Room Control-Set (return) Fig. 6. Room Control-Set (supply)
EN0H-2011GE25 R1206 2 Honeywell y Subject to change
Supply
Retu rn
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