Honeywell N05 Series Operation manual

N05, N10 SERIES

NON-SPRING RETURN DIRECT-COUPLED DAMPER ACTUATORS FOR

MODULATING AND FLOATING CONTROL

PRODUCT DATA

GENERAL

This non-spring return direct-coupled damper actuator

provides modulating and floating/2-position control for:

• air dampers,

• VAV units,

• air handlers,

• ventilation flaps,

• louvers, and

• reliable control for air damper applications with up to 10 sq ft

/ 44 lb-in. (5 Nm) and 20 sq ft / 88 lb-in. (10 Nm) (seal- less

damper blades; air friction-dependent).

FEATURES

• Declutch for manual adjustment

• Adjustable mechanical end limits

• Removable access cover for direct wiring

• Mountable in any orientation

• Function selection switch for selecting modulating or

floating/2-position control

SPECIFICATIONS

Supply voltage 24 Vac/dc -15%/+20%, 50/60 Hz

Nominal voltage 24 Vac/dc, 50/60 Hz

All values stated hereinafter apply to operation under

nominal voltage conditions.

Power consumption

CN7505 5 VA / 2 W

CN7510 5 VA / 2 W

Control signal

Modulating (0)2...10 Vdc

Floating/2-Position 24 Vac/dc

Ambient limits

Ambient operating limits -5...+140 °F (20...+60 °C)

Ambient storage limits -22...+176 °F (-30...+80 °C)

Relative humidity 5...95%, non-condensing

Safety

Protection standard IP54

Protection class II as per EN 60730-1

Overvoltage category II

Lifetime

Full strokes 60000

Repositions 1.5 million

Mounting

Round damper shaft 3/8 in…5/8 in.

Square damper shaft 1/4 in…1/2 in.; 45° steps

Shaft length min. 1-5/8 in.

End switches (when included)

Rating Class II

Triggering points 5° / 85°

Torque rating 44 lb-in. (5Nm) / 88 lb-in. (10Nm)

Rotation stroke 95° + 3°

Dimensions see “Dimensions” on page 8

Weight (without cables) 1.0 lbs.

Noise rating 35 dB(A) max. at 1 m

63-6233T

CN0B-0545CH33 R0805

PRODUCT IDENTIFICATION SYSTEM

C-Electrical Motor

N-Fail Safe Function (Non-Spring Return)

61-24V Floating Control

75-24V Modulating Control

05-44 lb-in. (5 Nm)

10-88 lb-in. (10 Nm)

A-Standard Model

1-No Feedback

2-Voltage Feedback Signal

0-No Internal Auxiliary Switches

2-Two Internal Auxiliary Switches

XX-System Controlled Numbers

CN75 10 A20 XX

BASIC FEATURES

Fig. 1. Setting units and control elements

Legend for Fig. 1:

1) Universal shaft adapter

2) Mechanical end limits (manually adjustable)

3) Declutch button

4) Function selection switch

5) Removable access cover

6) Anti-rotation bracket

Contents of Package

The delivery package includes the actuator, parts 1 through 6

(see Fig. 1), plus two cable grommets and a spare cable

grommet.

RUN MODES

The function selection switch (see Fig. 2) can be used to place

the actuator into any one of two different modes:

• Service/Off; or

• the floating/2-position run mode (“Dir” for CCW-closing

dampers or “Rev” for CW-closing dampers).

• the modulating run modle.

Fig. 2. Function selection switch

Power-Off Behavior

If power is removed, the shaft adapter remains in position.

Service/Off

If the function selection switch is set to the “Service/Off” position,

then all rotary movement is cancelled, and all control signals are

ignored, thus allowing the actuator to be manually operated

safely.

Floating/2-Position Run Mode

Without Feedback Signal

If, however, the function selection switch has been set to one of

the two floating/2-position control settings - but the actuator has

not been wired for a feedback signal (see Fig. 12 and Fig. 13) -

then as soon as operating power is applied, the shaft adapter will

run according to the control signals applied.

With Feedback Signal

If the function selection switch has been set to one of the two

floating/2-position control settings - and if the actuator has been

wired for a feedback signal (see Fig. 12 and Fig. 13) - then as

soon as operating power is applied, the shaft adapter will likewise

run first completely counterclockwise and then completely

clockwise (see also section “Adaption”), after which it will run

according to the control signals applied.

Modulating Run Mode

If the function selection switch has been set to one of the four

modulating control settings - and if the actuator is wired

correspondingly (see Fig. 10) - then as soon as operating power

is applied, the shaft adapter will run first completely

counterclockwise and then completely clockwise (see also

section “Adaption”), after which it will run according to the control

signals applied.

63-6233T

CN0B-0545CH33 R0805

N05

N10 SERIES DAMPER ACTUATORS FOR MODULATING AND FLOATING CONTROL

Table 1 describes, for the floating mode, the shaft adapter

behavior (“stops,” rotates “CCW,” or rotates “CW”) in dependence

upon the control signals applied to terminals 3 and 4 and upon

the function selection switch setting.

Table 2 describes, for the 2-position mode, the shaft adapter

behavior (“stops,” rotates “CCW,” or rotates “CW”) in dependence

upon the control signals applied to terminals 3 and 4 and upon

the function selection switch setting.

Table 3 describes, for the modulating mode, the shaft adapter

behavior (“stops,” rotates “totally CCW,” rotates “totally CW,” runs

to “proportional” position, or runs to “50%” of max. stroke) in

dependence upon the control signals applied to terminals 3 and 4

and upon the function selection switch setting.

Table 1. Shaft adapter behavior in the floating mode

control signal at switch settings

terminal 3 terminal 4 0[2]...10V Dir Service/Off Rev 10...0[2] V

open open -- stops stops stops --

open 24 Vac/dc -- CCW stops CW --

24 Vac open -- CW stops CCW --

Table 2. Shaft adapter behavior in the 2-position mode

control signal at switch settings

terminal 3 terminal 4 0[2]...10V Dir Service/Off Rev 10...0[2] V

24 Vac open -- CW stops CCW --

24 Vac 24 Vac/dc -- CCW stops CW --

Table 3. Shaft adapter behavior in the modulating mode

control signal at switch settings

terminal 3 terminal 4 0[2]...10V Dir Service/Off Rev 10...0[2] V

open

open totally CCW -- stop -- totally CCW

24 Vac/dc 50% -- stop -- 50%

< min control signal plus 0.24 V

open totally CCW -- stop -- totally CW

24 Vac/dc 50% -- stop -- 50%

between min. control signal plus 0.24 V

and max. control signal minus 0.24

open proportional -- stop -- proportional

24 Vac/dc 50% -- stop -- 50%

> max. control signal minus 0.24 V

open totally CW -- stop -- totally CCW

24 Vac/dc 50% -- stop -- 50%

63-6233T

CN0B-0545CH33 R0805

N05

N10 SERIES DAMPER ACTUATORS FOR MODULATING AND FLOATING CONTROL

Fig 3. Final shaft adapter position in dependence upon

control signal (example function selection switch setting

of 0...10 V)

Fig 4. Feedback signal in dependence upon current

position of shaft adapter (example function selection

switch setting of 0...10 V)

Adaption

Adaption is a function in which the actuator re-maps its feedback

signal and control signal in accordance with repositioned

mechanical end limits (see also Fig. 6) and thus recognizes their

new positions

Fig 5. Adaption (function selection switch set to

0...10 V)

Adaption will be carried out whenever the actuator is in the

modulating mode or the floating plus feedback mode or the 2-

position plus feedback mode and

• the user powers up (from a totally powerless condition) the

actuator; or

• the user sets the function selection switch to the “Service/

Off” setting for at least 2 seconds and then back to its previous

setting; or

• the control signal's value rises up into the upper dead band

(i.e. to more than the max. control signal minus 0.24 V) or

drops down into the lower dead band (i.e. to less than the min.

control signal plus 0.24 V), after which the shaft adapter must

then remain at the respective (upper or lower) mechanical end

limit for at least 3 seconds. However, in this case, the actuator

will then recognize the position of only the respective (upper or

lower) mechanical end limit.

Overriding

An override is a condition in which a 24 V signal is applied to

terminal 4 of an actuator in the modulating mode, thus causing

the actuator to ignore the control signal at terminal 3, whereupon

it will instead move to a position of 50% of its maximum stroke

(see Table 3).

Feedback

If correspondingly wired (see Fig. 10, Fig. 11 and Fig. 12), the

actuator provides, via terminal 5, a feedback signal proportional

to the actual position of the shaft adapter.

MANUAL ADJUSTMENT

IMPORTANT

To prevent equipment damage, you must remove power

or set the function selection switch to the

“Service/Off” position before manual adjustment.

63-6233T

CN0B-0545CH33 R0805

N05

N10 SERIES DAMPER ACTUATORS FOR MODULAT

NG AND FLOATING CONTROL

After removing power or setting the function selection switch to

the “Service/Off” position, the gear train can be disengaged using

the declutch button, permitting the shaft adapter to be manually

rotated to any position. If you have wired the actuator for

feedback signal, then, after adaption, the feedback signal will

follow the new position.

Limitation of Rotation Stroke

Two adjustable mechanical end limits are provided to limit the

angle of rotation as desired (see Fig. 7). The mechanical end

limits must be securely fastened in place.

Fig 6. Mechanical end limits

To ensure tight closing of the dampers, the shaft adapter has a

total rotation stroke of 95°.

After adjusting the mechanical end limits, the user should trigger

adaption (see section “Adaption”).

INTERNAL END SWITCHES

The internal end switches “A” and “B” are changeover switches

which are activated when the shaft adapter moves past a position

of 5° and 85°, respectively (see also Table 5).

Fig 7. Internal end switch triggering points

INSTALLATION

To avoid personal injury (electrical shock) and to

prevent equipment damage, before installation, you

must remove power.

These actuators are designed for single-point mounting.

Mounting Instructions

All information and steps are included in the Installation

Instructions (Product Literature No. 62-0224) supplied with each

actuator.

Mounting Position

The actuators can be mounted in any position (IP54 is dependent

upon orientation; see Fig. 9). Choose a mounting position

permitting easy access to cables and controls.

Fig 8. Mounting for IP54

NOTE: Further, in order to guarantee IP54, only original

Honeywell grommets may be used.

Anti-Rotation Bracket and Screws

If the actuator is to be mounted directly on a damper shaft, use

the anti-rotation bracket and screws included in the delivery

package. The min. distance between the center of the damper

shaft and the middle of the anti-rotation bracket is 3.35 in.; a max.

of 4.25 in. is allowed (see also Fig 14).

Depending upon the specifics of your mounting site, the actuator

may shift in position slightly while tightening the screws at the top

of the shaft adapter. The anti-rotation bracket features a T-piece

with a 5-mm-long shank to accommodate for this movement. It is

important to ensure that this play is not impeded.

Universal Shaft Adapter

The universal shaft adapter can be used for shafts of various

diameters and shapes (round: 3/8...5/8 in. and square:

1/4...1/2 in.).

63-6233T

CN0B-0545CH33 R0805

N05,N10 SERIES DAMPER ACTUATORS FOR MODULATING AND FLOATING CONTROL

WIRING

To avoid personal injury (electrical shock) and to

prevent equipment damage, before wiring, you must

remove power.

Access Cover

IMPORTANT

Once the access cover has been removed, please take

care to avoid damaging any of the parts now accessible.

The access cover can be unscrewed and removed in order to

gain access to the terminal block(s) and perform wiring.

Fig 9. Access Cover

Wiring Diagrams

Fig 10. CN7505/CN7510 (modulating mode)

Wiring Diagrams

Fig 11. CN7505/CN7510 (floating mode)

Fig 12. CN7505/CN7510 (2-position mode)

Fig. 2. End switches

NOTE: Both of the internal end switches must be connected to

the same power source.

Table 4 and Table 5 summarize the information presented in the

preceding wiring diagrams.

63-6233T

CN0B-0545CH33 R0805

N05,N10 SERIES DAMPER ACTUATORS FOR MODULATING AND FLOATING CONTROL

Table 4. Signals at terminals

terminal mode

modulating floating 2-position

1 24 V ~/+ (power) unused or (with feedback)

24 V ~/+ (power)

unused or (with feedback)

24 V ~/+ (power)

2 common ~/- common ~/- common ~/-

3 0[2]...10 V (control) 24 V ~/+ (control signal) 24 V ~/+ (control signal)

4 24 V ~/+ (override) 24 V ~/+ (control signal) 24 V ~/+ (control signal)

5 0[2]...10 V (feedback) unused or (with feedback)

0...10 V

unused or (with feedback)

0...10 V

NOTE: All cables connected to these terminals must be equipped with spark suppression.

Table 5. Internal end switches

terminal type of switch

S1 common lead for switches A and B

S2, S3 change-over switch A (S1/S2 opens and S1/S3 closes when shaft adapter moves CW past 5°; reverts to

original state when shaft adapter moves CCW past 5°).

S5, S6 change-over switch B (S1/S5 opens and S1/S6 closes when shaft adapter moves CW past 85°; reverts to

original state when shaft adapter moves CCW past 85°).

63-6233T

CN0B-0545CH33 R0805

N05,N10 SERIES DAMPER ACTUATORS FOR MODULATING AND FLOATING CONTROL

DIMENSIONS

Fig. 2. Dimensions (in in.)

Automation and Control Solutions

Honeywell International Inc. Honeywell (Tianjin) Limited

1985 Douglas Drive North 66, BaiHe Road, TEDA

Golden Valley, MN 55422 Tianjin, 300457,P.R.C.

Honeywell

Printed in China. on recycled

paper containing at least 10%

post-consumer paper fibers.

N05,N10 SERIES DAMPER ACTUATORS FOR MODULATING AND FLOATING CONTROL

This manual suits for next models

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