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5

AB-5963

Installation

Important

1) Select a location where the typical temperature and

humidity of the measured fluid can be sensed and
where the wind speed requirements are met.

2) Make sure that the temperature and humidity elements

are entirely immersed in the measured fluid.    Also,
make sure that air can pass over the side of the sensor.

3) Allow adequate service clearance at the front of the

cover.

4) When installing in steam heating air handling unit,

make sure the steam does not directly expose.    (It
may exceed the extreme operating condition

5) When inserting the insertion part facing upward,

prevent dew condesation.    (The condensated dew will
remain in the fileter cap and measurement difference
will occur until it becomes dried.)

 CAUTION

Do not step on the unit.

Mounting 7903 series (duct mounted)

1) Prepare the mounting bracket in advance.

Attach the mounting label at the sensor mounting
position and make a hole in the duct at the point
indicated on the label. Fix the mounting bracket onto
the duct with M4 screws, inserting packing between the
duct and the bracket.
Cover the duct with an insulating material. (If you cover
the duct with an insulating material first, fill the
clearance between the bracket and the duct with the
insulating material after fixing the bracket.)

2) Turn the stopper of the main unit to the left and insert

the main unit into the bracket, aligning the claw to the
bracket groove.    Fix it by turning the stopper 45 ° in
the clockwise direction.

Mounting 7913 series (air handling unit
mounted)

1) Prepare the mounting bracket in advance.    Attach a

mounting label at the desired mounting position and
make a hole in the air handling unit return air chamber.
Fix the mounting bracket onto the duct with M4 screws
(included) between the duct and the bracket.

2) Turn the stopper of the main unit to the left and insert

the main unit into the bracket, aligning the claw to the
bracket groove.    Fix it by turning the stopper 45 °
clockwise.

Duct

Air flow

Duct

Packing

Air flow

Insulating material

Panel

Panel

Air flow

Claw

Stopper

45°

(2)

(1)

45°

(2)

(1)

Claw

Stopper

Содержание HTY79

Страница 1: ...ensing only dewpoint temperature without separate temperature sensor is also available Features 1 Wide sensing range 2 Excellent long term stability 3 Highly resistant to environment 4 Quick response and high repeatability 5 Easy to install in a duct bracket prepared 6 Splash proof housing IP54 Models Model No Shape Type Power supply Humidity output Temperature output Fixed Fixed Description HTY79...

Страница 2: ...for reference at any time Usage Restrictions This product is targeted for general air conditioning Do not use this product in a situation where human life may be affected If this product is used in clean rooms or places where reliability or control accuracy is particularly required please contact Yamatake s sales representatives Yamatake Building Systems Co Ltd bears no responsibility for any bene...

Страница 3: ...Yseries Power consumption 0 6 VA at conditions of 24 V AC HTY HY series 1 5 V 0 10 V output model 450 mW at conditions of 24 V DC HTY HY series 1 5 V 0 10 V output model 1 4 VA at conditions of 24 V AC HTY HY series 4 20 mA output model 1 2 W at conditions of 24 V DC HTY HY series 4 20 mA output model Dielectric strength 500 VAC less than 1 mA of leak for 1 minute Insulation resistance 500 VDC min...

Страница 4: ...4 AB 5963 Dimensions mm 1 7903 series 2 7913 series 3 Mounting bracket 62 5 25 50 60 40 60 72 3 φ30 3 3 247 6 51 3 45 6 67 3 A 70 φ20 110 1135 A 108 6 51 3 45 6 67 3 70 φ20 110 1135 ...

Страница 5: ...t the point indicated on the label Fix the mounting bracket onto the duct with M4 screws inserting packing between the duct and the bracket Cover the duct with an insulating material If you cover the duct with an insulating material first fill the clearance between the bracket and the duct with the insulating material after fixing the bracket 2 Turn the stopper of the main unit to the left and ins...

Страница 6: ...e conduit at a point where the conduit lock screw can be tightened easily 2 Connect the wires to the terminals and close the cover Tighten the seal connector only when cable connected Terminal Nos and cable cores Seal connector order separately Nut attached to conduit Attachment Conduit connector nominal size 25 mm Pull the cable Tightening direction Nut attached to conduit Conduit connector nomin...

Страница 7: ... generating noise due to inadequate time constant of the controller input Use a controller with a low pass filter with a removal ratio of 40 dB or higher normal mode Connect an isolator to the controller input circuit if a removal ratio is unknown If you use a Yamatake cotnroller no problem will occur Maintenance Since the temperature humidity sensor have been in spected and adjusted accurately be...

Страница 8: ...d The out put value is increased by turning this volume in clock wise direction and decreased by turning it counter clockwise Use refelenced humidity meter of ade quate accuracy A digital multimeter is recommend ed to check the output voltage Parts Identification of adjustment volume Cautions 1 After unpacking age the transmitter in the ambient atmosphere for at last 24 hours 2 To calibrate and ad...

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