Wiring - Honeywell VC Series Installationsanleitung

Fig. 3: Valve mounting
position

5. Wiring

WARNING:
Electrical installation, cables and related
accessories must comply with local laws,
directives and competent authorities
Important
• Each 3-wire (SPDT) actuator must have individual
SPDT controller.
• On 24V systems, never jumper the valve coil termi-
nals, even temporarily.This may damage the ther-
mostat.
• The cable version must be used for mixed line
voltage and 24 Vac (Safety Extra Low Voltage)
applications
Actuator type
3-WIRE
(for SPDT Controller)
2-WIRE + COM
(for SPST Controller)
MU1H-2805GE23 R0107
Fig. 4: Removing the ac-
tuator
Table 1: Electrical termination - colours & pin numbers
Cable models
Blue & Brown energised
(Black de-energised)
Blue & Black energised
(Brown de-energised)
Blue & Brown energised
(Brown & Black open)
Blue & Brown energised
(Brown & Black closed)
GB
A
B
Fig. 5: Valve mounting
For controller action and electrical terminations, see
Tables 3 & 4.
Fig. 7 & 8 show wiring diagrams as printed on product
label for the Cable Model and Molex™ Model for use
with SPDT controller.
Fig. 9 & 10 show wiring connections with SPDT and
SPST controllers. Port "A" open and closed denote
valve open and closed positions respectively. On auxi-
liary switch models, terminal 4 (grey wire) contact
makes at the end of the Port A opening stroke. On
Molex™ connector models, valve & auxiliary switch
voltage must be the same to meet approval require-
ment
MOLEX™ models
Pin # 2 & 3 energised
Pin # 6 de-energised
Pin # 2 & 6 energised
Pin # 3 de-energised
Pin # 2 & 3 energised
Pin # 3 & 6 open
Pin # 2 & 3 energised
Pin # 3 & 6 closed
6
Manual opener
Fig. 6: The manual opener
2-way valve
Stem up
(valve closes)
Stem down
(valve opens)
Stem up
(valve closes)
Stem down
(valve opens)
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