background image

Trane has a policy of continuous product data and product improvement and reserves the right to 
change design and specifications without notice. Only qualified technicians should perform the 
installation and servicing of equipment referred to in this bulletin.

Literature Order Number 

RTHC-SVN02C-EN

File Number

SL-RF-RLC-RTHC-SVN02C-EN-0503

Supersedes

RTHC-SVN02B-EN

Stocking Location

Inland

Trane 

A business of American Standard Companies
www.trane.com

For more information contact your local district 
office or e-mail us at [email protected]

Questions

Contact the Product Technical Service department in Pueblo, Colorado with questions 
regarding this Service Bulletin. They can be reached at [email protected] 
or 888-244-5537.

Содержание RTHC-SVN02C-EN

Страница 1: ...o or greater than the evaporator leaving water temperature The system also must achieve a leaving condenser water temperature 25 F higher than the evaporator leaving water temperature within 2 minutes...

Страница 2: ...ance Instructions for UL Approved Valves found on the internet at http www cranevalve com Water Valve Rating Confirm that the correct valve was shipped by referring to the Center Line nameplate attach...

Страница 3: ...e certain the waterway is free of all debris 5 Almost close the valve prior to installing to avoid damage to the disc or seat of the valve Refer to Figure 1 6 The valve can be installed at any angle t...

Страница 4: ...Size inches Bolt Length inches Required Torque ft lbs 6 200 8 3 4 10 2 25 100 8 200 8 3 4 10 2 25 100 6 300 12 3 4 10 2 1 2 25 100 8 300 12 7 8 9 2 3 4 50 200 NOTE Bolting and Torquing recommendations...

Страница 5: ...e The actuator is intended for indoor use Special precautions must be taken if the actuator will be exposed to rainwater or direct sunlight Failure to adequately protect actuator may result in equipme...

Страница 6: ...factory set to allow the valve to operate with the largest allowable number of steps If the valve appears to sluggish the sensitivity may need to be decreased CAUTION Equipment Damage Valve should be...

Страница 7: ...If the controller is not factory installed use the procedure below to mount the controller Installation 1 Locate the factory mounted pressure differential switch for detecting low system differential...

Страница 8: ...e service valve on the evaporator and condenser where the transducers will be installed 5 Install one of the transmitters to condenser service valve located on the top of the shell NOTE Install a schr...

Страница 9: ...le 1 The transducer ships from the supplier with a four wire cable and a ground Only 2 wires and the ground will be used Install a fork connector to the black lead red lead and the ground The white an...

Страница 10: ...r and Input on the actuator 3 Connect the second lead to Output 4U1 controller Input on the actuator Note If the water valve and actuator were not ordered the signal can also be used by a BAS system C...

Страница 11: ...ucer 4R1 connected to condenser pressure and arrange so transducer 4R2 can be connected to either atmospheric or above 70 psi Apply 24 VAC to 4U1 and line power to valve Stroke valve open and closed b...

Страница 12: ...fied licensed electrician or other individual who has been properly trained in handling live electrical components perform these tasks Failure to follow all electrical safety precautions when exposed...

Страница 13: ...re the voltage across S1 and S for the condenser transducer Measure across S2 and S for the evaporator transducer 3 Compare the voltage reading to the graph in figure 7 The converted pressure should b...

Страница 14: ...ve actuator incorrect signal sent by 4U1 ASM module failure of one or both of the pressure transducers incorrect power supply loose connections Valve opening unstable noise on signal line potentiomete...

Страница 15: ...00906 144 inches Conductor cable UNN00040 2 1 4 flare union internal BRK02884 1 Bracket NUT00148 4 10 32 nut SCR01557 4 10 32 x 1 screw Table 5 List of Water Regulating Valves one required Trane Part...

Страница 16: ...re Order Number RTHC SVN02C EN File Number SL RF RLC RTHC SVN02C EN 0503 Supersedes RTHC SVN02B EN Stocking Location Inland Trane A business of American Standard Companies www trane com For more infor...

Отзывы: