Titus Pneumatic Controls for Dual Duct Terminals IOM Bedienungsanleitung PDF herunterladen

Installation Manual

PNEU-DD-IOM-1.0 8-9-02

Dual Duct Models with TITUS II and IIA Pneumatic Controls

Installation, Operation, and Maintenance Manual

Adjusting Minimum and Maximum Air Flow for Units with Two Inlet Sensors

A. Maximum Flow Adjustment for

Direct Acting Thermostat

1. Be sure the minimum LO air ow

limit is zero on hot and cold deck

controller.

2. To adjust the cold deck maximum

CFM:

a. A pply 15- 25 PSI t o t h e

thermostat connection on the

cold deck controller. Place a

manometer gauge a c r o s s

balancing tees at the cold deck

inlet.

b. If the manometer gauge

reading matches the r equired

dierential from the calibration

curv e (Page 6 and 7) n o

adjustment is necessary.

c. If adjustment is necessary, use

the adjusting tool stored in the

face of the controller (Titus II

only) or a standard at blade

screwdriver.

d. Rotate the maximum HI knob

slowly. A delay in response

time has been deliberately built

into the controls t o a v oid

hunting. Allow several sec onds

for the controls to react and the

system to stabilize. Rotate the

knob until the gauge shows the

required dierential pressure.

N O T E : I f t h e actuator fails t o

respond, see G u ide to Ser v ice

Procedures.

3. To adjust the hot deck maximum

CFM:

a. Appl

y 0 PSI to the thermostat

connection on the cold dec k

controller. That is, leave it open to

the atmosphere.Place a manometer

gauge across balancing tees at the

cold deck inlet.

b. Repeat Steps B, C and D above.

B. Maximum Flow Adjustment for

Reverse Acting Thermostat

1. To adjust the cold deck maximum

CFM:

a. Apply 0 PSI to the thermostat

connection on the cold deck

controller. That is, leave it open

to the atmosphere. Place a

manometer gauge a c r o s s

balancing tees at the cold deck

inlet.

b. Re peat steps B, C and D

above.

2. To adjust the hot deck maximum

CFM:

a. A pply 15- 25 PSI t o t h e

thermostat connection on the

hot deck. Place the manometer

gauge across balancing tees at

the hot deck inlet.

b. Re peat steps B, C and D

above.

C. Minimum Flow Adjustment for

Either Thermostat

1. Place a 0-30 PSI pressure gauge in

the line between the TITU S I I

Controller and the damper actuator

on the cold deck.

2. Place a manometer gauge across

the balancing tees on the hot deck

inlet.

3. Adjust the thermostat pressure

(Pressure reducing v a l v e

recommended) until the cold deck

damper just closes:

a. If t

he damper in the cold deck

is normally open, the pressure

gauge should read

approxima t ely 10 PSI with

standard 5-10 PSI actuator.

b. If the damper in the cold deck

is normally closed, t h e

pressure gauge should read

approximately 5 PSI w i t h

standard 5-10 PSI actuator.

4. Refer to Page 6 a nd 7 f o r t h e

dierential pressure corresponding

to the desired minimum air ow

(CFM).

5. Adjust the reset start point dial on

the hot deck until the manometer

gauge across the balancing tees

on the hot deck reads the desired

dierential pressure.

D. After Flow Rates are Adjusted

1. Replace the thermostat connection

at the controller, if it has been

removed during the adjustment

process.

2. Remove the m anometer gauge and

replace the caps on the tees in the

HI and LO tubes.

NOTE: The controller w ill not operate

if these caps are left o.

3. Return the adjustment tool to its

socket in the face of the controller.

4. R eplac e t he cov e r s o v e r t h e

controllers.

Cold

TSTAT

MAIN

Hot

Figure 1. Piping Diagram Figure 2. Control Box Label

MODEL NO. PEDV SIZE: 6

MAX CFM: 400 MIN CFM: 0

COLD INLET CFM: 400 VP: 0.63

HOT INLET CFM: 400 VP: 0.63

HAND (COLD INLET LOCATION):RH

LOCATION: XXXX

FACTORY NO. XXXX ITEM: XXXX

MOTOR: XXXX

THST: DIRECT ACTING

Inlet Size, Inches

Minimum CFM

Cold Deck Max Velocity Pressure, Inches WG

Hot Deck Max Velocity Pressure, Inches WG

Same as Number as on Packing List

Actuator Mfr.

Thermostat Action

1 2 3 4 5 6 7 8 9

Inhaltsverzeichnis

Seite 1 - Installation Manual

Installation ManualPNEU-DD-IOM-1.0 8-9-02Dual Duct Models with TITUS II and IIA Pneumatic ControlsInstallation, Operation, and Maintenance ManualAdjus

Seite 2 - PNEU-DD-IOM-2.0 8-9-02

CONTROLLERT MMLOBACTUATORT HiHotColdACTUATORCONTROLLERLoMBHiTPNEU-DD-IOM-2.0 8-9-02Adjusting Minimum and Maximum Air Flow for Units with Hot Inlet Sen

Seite 3 - Hot Inlet Sensor Calibration

PNEU-DD-IOM-3.0 8-9-02Hot Inlet Sensor Calibration2. Cold inlet controller / dischargesensor. For Constant Air Volume.To adjust until Total CFM:a. If

Seite 4 - CONTROLLER

MTACTUATORACTUATORCONTROLLERTMHiBLOColdHotCONTROLLERMLoTHiBPNEU-DD-IOM-4.0 8-9-02Adjusting Minimum and Maximum Air Flow for Units with Cold Inlet Sens

Seite 5 - Cold Inlet Sensor Calibration

PNEU-DD-IOM-5.0 8-9-02Cold Inlet Sensor Calibration2. Hot inlet controller / dischargesensor. For Constant Air Volume.To adjust until Total CFM:a. If

Seite 6 - INLET DIAMETER (INCHES)

PNEU-DD-IOM-6.0 8-9-02AeroCrossTM Multi-Point Inlet SensorOriginal Titus Multi-Point Inlet Sensor (for use with units shipped before April 1, 2002)Fig

Seite 7

6"500INLET SENSOR DIFFERENTIAL (IN. W.G.)0.040.03504070200100300400CFMINLET DIAMETER (INCHES)0.40.30.20.070.050.11.00.70.55"4"300070010

Seite 8

PNEU-DD-IOM-8.0 8-9-02Guide to Service ProceduresActuator will not stroke. (Generally any settingof the damper compatibility selector on the faceof th

Seite 9 - PNEU-DD-IOM-9.0 8-9-02

PNEU-DD-IOM-9.0 8-9-02Replacement PartsActuatorsKrueter MCP-8031 (5-10PSI) 10058501Johnson D-3062 (5-10PSI) 10058601Actuator Crank ArmsKrueter 3019200

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Titus Pneumatic Controls for Dual Duct Terminals IOM Bedienungsanleitung

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