Belimo ZEV Instruction manual

Technical data sheet ZEV

www.belimo.com T4-ZEV • en • v1.3 • 09.2007 • Subject to changes 1 / 4

Technical data

Electrical data Nominal voltage AC 24 V, 50/60 Hz, DC 24 V

Power supply range AC 19.2 ... 28.8 V, DC 21.6 ... 26.4 V

Power consumption 1 W

PP communication DC 1.0/12.5 V max. DC 15 V

bidirectional 1200 baud

Connection Screw terminals for 2 x 1.5 mm2

Connection cable separate obtainable, see «Accessories» on page 4

Safety Protection class III Safety extra-low voltage

Degree of protection IP42

EMC CE according to 89/336/EEC

Ambient temperature range 0 ... +50 °C

Non-operating temperature range -20 ... +80 °C

Moisture test According to EN 60730-1

Dimensions / weight Dimensions See «Dimensions» on page 3

Weight Approx. 500 g

Adjustment tool with PP interface

for VAV controller

• Nominal voltage AC/DC 24 V

• Peer-to-peer connection

to VAV controller via

– U/PP connection

– Service socket

– Connection terminals

1) Mode setting 0 ... 10 V / 2 ... 10 V

2) See mode setting

3) Devices manufactured before 8/2006 need a modified scale sticker

Brief description

Applications The ZEV adjustment tool enables the operating volumetric ﬂow settings in VAV and CAV sys-

tems with conventional control to be adjusted on site. It is not suitable for systems with an MP

bus connection.

Can be used with

– NMV-D2, VRD2, VRD2-L 1)

– LMV-D2M, NMV-D2M 2)

– LMV-D2-MP, NMV-D2-MP, SMV-D2-MP 2) 3)

– LHV-D2M 2) 3)

Connection The ZEV is connected to the VAV-Compact using the PP (peer-to-peer) interface of the VAV

controller.

As well as using the service socket on the VAV-Compact, it is also possible to connect the ZEV

to easily accessible connection points such as the service plug on the CR24-B room tempera-

ture controller or on the terminals in the control cabinet. This means there is no need for direct

access to the VAV controller.

Supply The 24 V supply to the ZEV comes via the service socket of the VAV, CR24 controller or from a

local 24 V supply, e.g. connection terminals of the VAV controller.

VAV-Compact The VAV-Compact devices do not have any operating elements such as switches or setpoint

potentiometers. If necessary, the operating parameters are set using the ZEV or another adjust-

ment tool, e.g. the PC-Tool with additional functions such as trend, etc.

VAV-Universal In the VRD2(-L), it is possible to set the mode appropriately for the selected 0…10 V or 2...10 V

room temperature controller.

Products no longer available

ZEV VAV adjustment tool

2 / 4 T4-ZEV • en • v1.3 • 09.2007 • Subject to changes www.belimo.com

Electrical installation

Wiring diagrams

551

U/PP

AC 24 V

1234

– + DC 24 V

The ZEV is connected to connections 1 and 5 of the correspond-

ing controller. The ZEV supply (AC/DC 24 V) comes directly from

connection 2.

When the system is being wired up, it is advantageous for the

actual value signal U5 (terminal 5) of the VAV controller to be fed

back to the room temperature controller or into the control cabinet.

Communication is via a peer-to-peer connection (PP).

Connection options Connection via service socket (Cable see «Accessories» on page 4)

51 2

AC 24 V

– + DC 24 V

51 2

LMV-D2-MP / NMV-D2-MP / SMV-D2-MP

LHV-D2-MP

CR24-B..

Connection via connection terminals

51 2

AC 24 V

– + DC 24 V

LMV-D2M / NMV-D2

LMV-D2-MP / NMV-D2-MP / SMV-D2-MP

LHV-D2-MP

VRD2 / VRD2-L

Note

Connection via safety transformer!

– Device terminals / connection socket

– Switch cabinet terminals

ZK5-GEN ZKS-VAV

Service socket

Note

• When an operating device (e.g. ZEV) is con-

nected via the U/-PP connection (terminal 5) of

the VAV controller, the voltage signal of output

U5 does not correspond to the current actual

value signal.

When using the service socket of an LMV-D2-

MP, NMV-D2-MP or SMV-D2-MP, the U5 signal

is not impaired.

• The maximum communication level is DC 15 V.

To prevent damage to third-party equipment, it

may have to be disconnected from terminal 5

under certain circumstances – for the duration of

communication.

Safety notes

• The device is not allowed to be used outside the specified field of application, especially in

aircraft or in any other airborne means of transport.

• Only for Belimo VAV devices with 24 V safety extra-low voltage.

blue

turquise

violet

black

red

white

Products no longer available

ZEV VAV adjustment tool

www.belimo.com T4-ZEV • en • v1.3 • 09.2007 • Subject to changes 3 / 4

Operation

Structure A B

C D E

AOperating volumetric ﬂow min

BOperating volumetric ﬂow max

CMode setting for reference and volumetric ﬂow actual value signal

DFunctional check of control loop nominal/actual value comparison

EReset min.-/ max. setting to original OEM values

Operation Query Programming

? 

MIN



MAX

set

? 

MIN



MAX

LED

? 

MIN



MAX

set

? 

MIN



MAX

LED

for VRD2(-L), NMV-D2,

LMV-D2M, NMV-D2M

Turn the rotary button slowly until

the check LED lights up.

– Flashing LED:

Value in VAV controller is lower

– LED dark:

Value in VAV controller is higher

Set the value at the corresponding rotary button:

Press and hold the «Set» button for 2 seconds. The

write procedure is acknowledge by the LED lighting

up (see application table on page 4).

for LMV-D2-MP, NMV-D2-MP,

SMV-D2-MP

Turn the rotary button slowly until

the check LED ﬂashes.

3 - 4s

LED Vmin

LED Vmax

– The following flashing sequence indica-

tes that the value in the VAV controller is

greater.

3 - 4s

LED Vmin

LED Vmax

Set the value with the corresponding rotary button:

Press the «Set» button repeatedly until the following

ﬂashing sequence indicates that the value has been

accepted.

3 - 4s

LED Vmin

LED Vmax

– LED dark:

Value in VAV controller is higher.

Functional checkVAV control loop Green LED lights up

Green LED flashes

– Dark

– Bright

→ Actual value same as nominal value

→ Actual value not same as nominal value

→ Volumetric ﬂow not reached

→ Volumetric ﬂow too high

Note

ZEV devices manufactured before 8/2006 need a

modiﬁed scale sticker. Please contact your Belimo

branch.

Yellow LED lights up

LED dark

Legend

Products no longer available

ZEV VAV adjustment tool

4 / 4 T4-ZEV • en • v1.3 • 09.2007 • Subject to changes www.belimo.com

1) See product information for VAV-Compact and VAV-Universal

2) Lowest setting depends on the creep flow suppression. See VAV product information documents or refer to data from the VAV manufacturer.

3) ZEV devices (manufactured before 8/2006) need a modified scale sticker. Please contact your Belimo branch.

4) The "Constant" option is irrelevant for the current VRD2, L/NMV-D2M and L/N/SMV-D2-MP versions.

5) If the LED constantly displays low-power "dark" flashes (> 3 min), this means the actuator is most probably at a limit position.

Application with different VAV versions

Version LMV-D2-MP

NMV-D2-MP

SMV-D2-MP

Note

Technical data 1) Nominal voltage AC 24 V, 50/60 Hz

Connection of operating devices

min. setting Range

max. setting Range 30 ... 100% of nom

Mode Range Constant 4) / 2 ... 10 V / 0 ... 10 V

Feedback LED «Mode» LED lights up The set mode is not displayed on the LED but the

write command 5) is performed correctly

Reset operating volumetric ﬂow settingmin./max.

to original factory setting

No function Reset to (OEM) factory setting

Functional check w = x Green LED lights up

Control loop w ≠ x Green LED ﬂashes

Communication Normal LED function Data transmission is

displayed by brief ﬂash-

es of the three LEDs 5)

Accessories

Type Use

Cable ZK5-GEN for new generation VAV-Compact, LMV-D2-MP, NMV-D2-MP, SMV-D2-MP, LHV-D2-MP

ZKS-VAV for LMV-D2M, NMV-D2M, CR24-A.., CR24-B..

Dimensions [mm]

Dimensional diagrams

4.5

130

140

153

VRD2

VRD2-L

NMV-D2 LMV-D2M

NMV-D2M

LMV-D2-MP

NMV-D2-MP

SMV-D2-MP

Current device Phased out by NMV-

D2M in 2000

Phased out by NMV-D2-

MP in 2006

Current device

Terminals Terminals Terminals, socket Terminals, socket

0 2) ... 100% of max 0 2) ... 100% of nom 3)

30 ... 100% of nom

Constant 4) / 2 ... 10 V / 0 ... 10 V

«Mode» LED lights up

The set mode is not displayed on the LED but the

write command

is performed correctly

No function Reset to (OEM) factory setting

Green LED lights up

Green LED ﬂashes 5)

Normal LED function Data transmission

is displayed by brief

ﬂashes of the three

LEDs

Products no longer available

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