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Shut off

valve

P/T Port

Sweat connection

Brass
union
connection

Stainless steel ferrule

Table 10: Physical data

Unit

sizes

Inside

diameter

inch (mm)

Length

feet (cm)

Working

pressure

psig (kPa)

Minimum

burst

pressure

psig (kPa)

Minimum

bend radius

inch (mm)

09, 12

1/2 (10.7)

3 (91)

400 (2756)

1600 (11024)

2-5/8 (66.7)

15, 18, 24,

30, 36

3/4 (19.1)

3 (91)

400 (2756

1600 (11024)

4-1/2 (114.3)

Notice:

Do not allow hoses to rest against sharp edges or structural building components.

Compressor vibration may cause hose failure and vibration transmission through the
hoses to the structure, causing noise complaints.

Hose kit

Specifications:

■

Designed for VS series
applications.

■

Temperature range of 35 °F (2 °C) to
180 °F (82 °C).

■

Maximum working pressure of
400 psig (2756 kPa).

■

Fire rated materials per ASTM E
84-00 (NFPA 255, ANSI/UL 723 and
UBC 8-1).

■

Kevlar

reinforced EPDM core with

ANSI 302-304 stainless steel outer
braid.

■

Swivel connector(s) with NPSH at
both ends. EPDM gasket, shipped
inside connection.

■

Two ball valves supplied with each
hose kit

Содержание VS Series

Страница 1: ...i Cooling Fresh Air Clean Air Heating Vertical Stack Water Source Heat Pump Installation Operation and Maintenance...

Страница 2: ...llation 12 Applications 15 Electrical data 20 Installation 25 Wiring diagrams 35 Start up 39 Maintenance 50 Replacement parts 52 Troubleshooting 56 Warranty Back cover IMPORTANT Submittal documentatio...

Страница 3: ...left right SE Left right DH Left top back TH Top back left right SF Front right DJ Back right left TJ Front back right left SG Back right DK Front right left TK Front back top left SH Top right DL Fr...

Страница 4: ...top right back NC None left DC Left right back TC Front top left back SA Front back DD Front top back TD Top left right back SB Right back DE Front left right TE Front back left right SC Left back DF...

Страница 5: ...1 2 3 0 GPM 1 2 E 3 4 2 0 GPM 3 4 F 3 4 2 5 GPM 3 4 G 3 4 3 0 GPM 3 4 5 H 3 4 3 5 GPM 5 6 I 3 4 4 0 GPM 5 6 J 3 4 5 0 GPM 5 6 7 K 3 4 6 0 GPM 5 6 7 L 3 4 7 0 GPM 6 7 M 3 4 8 0 GPM 6 7 N 3 4 9 0 GPM 7...

Страница 6: ...mage on all copies of the freight bill and completes a common carrier inspection report Concealed damage not discovered during unloading must be reported to the carrier within 15 days of receipt of sh...

Страница 7: ...d all plastering painting etc is finished Verify refrigerant tubing is free of kinks or dents and that it does not touch other unit components Inspect all electrical connections Connections must be cl...

Страница 8: ...e connection size in 3 4 3 4 3 4 3 4 3 4 3 4 3 4 Air coil data Total face area ft 1 48 1 48 1 81 1 81 1 72 1 72 1 72 Tube size in 3 8 3 8 3 8 3 8 3 8 3 8 3 8 Fin spacing FPI 14 14 14 14 12 12 12 Numbe...

Страница 9: ...ry installed P trap Air coil drain pan Control box access panel Optional auto flow regulator location return side Optional water valve location supply side Condensate drain pan Right view Air coil Opt...

Страница 10: ...actory installed P trap Air coil drain pan Control box access panel Optional auto flow regulator location return side Optional water valve location supply side Condensate drain pan Right view Air coil...

Страница 11: ...de Condensate drain pan Right view Air coil Optional duct connection C B 1 3 N 3 1 4 2 3 8 H I J K M H L 2 1 8 2 5 16 2 11 16 1 5 8 57 1 8 39 1 2 2 7 8 Unit dimensions 88 height Dimension Models 09 18...

Страница 12: ...off main power to system There may be more than one disconnect switch The installation and servicing of air conditioning equipment can be hazardous due to system pressure and electrical components On...

Страница 13: ...the shipping company makes proper notation of any shortages or damage on all copies of the freight bill Concealed damage not discovered during unloading must be reported to the shipping company withi...

Страница 14: ...8 the return panel will not fit snugly to the wall and form a tight seal Install drywall using conventional construction methods Drywall cannot be fastened to the studs with adhesive alone Mechanical...

Страница 15: ...factory allowances The table showing allowable riser lengths between system expansion loops displays expansion characteristics of risers compared to water temperature Allowable riser lengths between s...

Страница 16: ...loor and the building structure on at least two sides using sheet metal angles field provided A field provided base vibration dampening pad can be used to help eliminate transfer of any vibration to t...

Страница 17: ...l prior to operation see Piping System Cleaning and Flushing Procedures in this manual The flow rate is usually set between 2 25 and 3 5 gpm per ton 2 9 and 4 5 l m per kW of cooling capacity Zehnder...

Страница 18: ...l foreign objects and purge to remove all air Loop conditions When entering loop conditions meet values specified in Table 3 below or where piping will be routed through areas subject to freezing anti...

Страница 19: ...er may require occasional acid flushing Water quality standards Table 5 should be consulted for water quality requirements Scaling potential should be assessed using the pH calcium hardness method If...

Страница 20: ...on the discharge line Slightly closing the valve will spread the pressure drop over both devices lessening the velocity noise Water coil low temperature limit setting Zehnder Rittling s heat pump con...

Страница 21: ...quired Iron oxide Low levels only Moderate levels Corrosion 1 Corrosion inhibiters 2 pH control 3 Proper materials of construction 1 Corrosion inhibiters high concentrations 2 Proper materials of cons...

Страница 22: ...30 60 1 197 254 18 6 79 0 442 2 10 20 7 25 4 40 B 277 60 1 250 293 16 0 87 0 360 1 30 17 3 21 3 40 Standard EC motors Size Voltage code Rated voltage V Hz Ph Voltage min max Compressor FLA Total unit...

Страница 23: ...254 18 6 79 0 650 3 4 22 0 26 7 50 B 277 60 1 250 293 16 0 87 0 650 2 9 18 9 22 9 40 High static EC motors Size Voltage code Rated voltage V Hz Ph Voltage min max Compressor FLA Total unit FLA Min cir...

Страница 24: ...on the unit serial plate Line and low voltage wiring must be completed in accordance with local codes or the National Electric Code whichever is applicable Three phase wiring is similar except that a...

Страница 25: ...63 345 324 Low 426 409 394 382 368 354 337 319 304 279 VHN12 High 568 380 568 547 533 515 500 485 471 453 434 415 399 Low 474 459 444 426 415 404 386 369 354 338 VHN15 High 635 474 669 659 649 641 632...

Страница 26: ...isers as follows Close shut off valves at each unit on the riser except the shut off valve on the top floor Flush solution through supply riser Note The solution passes through the top floor connectio...

Страница 27: ...valve before attaching to the union in the cabinet Note The valve union is to be hand tight plus an additional quarter turn Always use a back up wrench on the fittings being tightened Attach flex hos...

Страница 28: ...sharp edges or structural building components Compressor vibration may cause hose failure and vibration transmission through the hoses to the structure causing noise complaints Hose kit Specification...

Страница 29: ...st housing If rough handling during shipping has caused fan wheel to shift adjust as necessary Verify that water piping connections to the chassis are complete and that unit service valves which were...

Страница 30: ...arge openings as follows Insert the grille into the cabinet supply duct extension s Assure that the grille flange rests against the drywall covering the cabinet Secure the grille to the drywall with t...

Страница 31: ...subject to change without notice Individually adjustable blades 1 1 4 1 7 8 5 8 D A C B 1 1 8 Dimensional data Grille size A B C D 16 x 14 17 11 16 15 11 16 15 11 16 13 11 16 14 x 12 15 11 16 13 11 1...

Страница 32: ...notice Dimensional data Grille size A B C D 16 x 14 17 11 16 15 11 16 15 11 16 13 11 16 14 x 12 15 11 16 13 11 16 13 11 16 11 11 16 12 x 10 13 11 16 11 11 16 11 11 16 9 11 16 10 x 8 11 11 16 9 11 16 9...

Страница 33: ...ard finish is powder coated and will be the same color as the return grille n n Mounting hardware included All listed dimensions are approximate and are subject to change without notice Individually a...

Страница 34: ...24 36 Allen lock removable Item number Description Quantity 1 Return panel 1 2 Quarter turn fastener 1 3 Door stop 3 4 Screw 10 5 Pivot angle 2 6 Frame 1 7 Frame support 1 Standard removable perimete...

Страница 35: ...Notes Seal between the frame and cabinet with a weather serial gasket provided with cabinet to avoid air from being pulled in from the wall cavity Do not attach frame to cabinet Frame support shipped...

Страница 36: ...to studs typical 1 2 3 4 Notes Seal between the frame and cabinet with a weather serial gasket provided with cabinet to avoid air from being pulled in from the wall cavity Do not attach frame to cabin...

Страница 37: ...age is 230V installer must rewire transformer R RC C Y1 AL G O Y2 Note 3 Typical 24VAC 2 Stage stat 4 L1 Com2 modbus address 8 J1 1 2 3 ORANGE 240V Brown Black Blue Yellow White Red Yellow O W AL G Y2...

Страница 38: ...ansformer R RC C Y1 AL G O Y2 Note 3 Typical 24VAC 2 Stage stat 4 L1 Com2 modbus address 8 J1 1 2 3 ORANGE 240V Brown Black Blue Yellow White Red Yellow O W AL G Y2 Y1 C R Note 2 Note 2 ES NSB JP1 JP2...

Страница 39: ...voltage is 230V installer must rewire transformer R RC C Y1 AL G O Y2 Note 3 Typical 24VAC 2 Stage stat 4 L1 Com2 modbus address 8 J1 1 2 3 Brown Black Blue Yellow White Red Yellow O W AL G Y2 Y1 C R...

Страница 40: ...ust rewire transformer R RC C Y1 AL G O Y2 Note 3 Typical 24VAC 2 Stage stat 4 L1 Com2 modbus address 8 J1 1 2 3 Brown Black Blue Yellow White Red Yellow O W AL G Y2 Y1 C R Note 2 Note 2 ES NSB JP1 JP...

Страница 41: ...tart command to prevent nuisance safety trips 24V output to cycle a motorized water valve or other device with compressor contactor Water coil low temperature sensing dip switch selectable for water o...

Страница 42: ...stat selection Dip switch 3 is used to select the type of thermostat that will be used to control the unit A digital communicating thermostat can be purchased with the unit that will allow all fault s...

Страница 43: ...e it recognizes the inputs as valid Once the input signals are determined to be valid the reversing valve will energize de energize after 5 seconds The microprocessor will then verify that the anti sh...

Страница 44: ...for proper communicating thermostat operation Dip Switch Position Description 1 On 2 Varies depends on system temperatures 3 Off 4 On 5 On 6 Off 7 Off 8 Off Temperature adjustment Failure code displa...

Страница 45: ...econds and the timing will change to the hour To select the day of the week push the day button until the desired day of the week appears In this menu push the cancel button to cancel the timing of po...

Страница 46: ...d corner of the thermostat display If no failure code s are present the area on the thermostat display will be blank 1 Refrigerant hi pressure failure lockout after three times 2 Refrigerant low press...

Страница 47: ...Start up conditions are not normal or continuous operating conditions but may be used to bring the building space up to occupancy temperatures Units are not designed to operate under these conditions...

Страница 48: ...other equivalent approved cleaning agent Reset the boiler to raise the loop temperature to 100 F 38 C Circulate the solution for a minimum of 8 to 24 hours At the end of this period shut off the circ...

Страница 49: ...low that could erode heat exchangers System checkout System water temperature Check water temperature for proper range and also verify heating and cooling set points for proper operation System pH Che...

Страница 50: ...ompressor is on and that the water flow direction is correct by measuring pressure drop through the heat exchanger Units have a 3 5 minute time delay in the control circuit that can be eliminated on t...

Страница 51: ...the check described fails to reveal the problem and the unit still does not operate contact a trained service technician to ensure proper diagnosis and repair of the equipment When testing is complete...

Страница 52: ...needed for closed loop systems However if the piping is known to have high dirt or debris content it is best to establish a periodic maintenance schedule with the owner so the water coil can be checke...

Страница 53: ...Periodic maintenance oiling is not recommended as it will result in dirt accumulating in the excess oil and cause eventual motor failure Conduct annual dry operation check and amperage check to ensure...

Страница 54: ...Exploded view repair parts diagram Cabinet 52...

Страница 55: ...11100001876A 4 N A Double deflection with opposed blade grille 14 x 12 11100002859A 4 N A Double deflection with opposed blade grille 16 x 14 11100002860A Cabinet repair parts list Miscellaneous Item...

Страница 56: ...K120 30 6F02 208 230V 11100001868A 7 1 Blower motor YDK120 90 4F01 208 230V 11100001869A 7 1 Blower motor YDK120 200 6F01 208 230V 11100001870A 25 1 Blower housing with cage 11100002893A 11100002769A...

Страница 57: ...Replacement parts Exploded view repair parts diagram Chassis 55...

Страница 58: ...12 15 18 24 30 36 38 1 TXV 11100002755A 11100002756A 11100002757A 11100002758A 39 1 Air coil assembly 11100021067A 11100021068A 11100021069A 11100021070A 11100021071A 40 1 Coax 11100002748A 111000027...

Страница 59: ...ff Off On Off Off Blower failure cooling Condensate overflow ER 9 ER 10 Off Flash Off Flash Off On Off On Clogged drain line Over under low voltage protection 18 VAC voltage 30VAC ER 11 Off Flash Flas...

Страница 60: ...ode Ball valves closed heat mode Faulty zone valve heat mode Main water pump inoperable heat mode Dirty water strainer heat mode Refrigerant charge quantity below factory recommendation OFF X OFF OFF...

Страница 61: ...en be de energized and the blower will de energize fifteen seconds after the compressor is de energized Condensate overflow 1 lockout CO1 The unit contains one condensate overflow sensor located in th...

Страница 62: ...5 09 16 0 60 8 14 09 14 28 14 48 17 0 62 6 13 53 13 71 13 90 18 0 64 4 13 00 13 17 13 34 19 0 66 2 12 50 12 65 12 81 C F Minimum K Standard K Maximum K 20 0 68 0 12 01 12 16 12 31 21 0 69 8 11 55 11 6...

Страница 63: ...air temperature supply F Water side Water inlet temperature F Pressure psig Water outlet temperature F Pressure psig Refrigeration side Compressor suction side temperature F Compressor discharge side...

Страница 64: ...r from Zehnder Rittling Extended warranties may be available please contact the factory for warranty options and pricing 716 827 6510 Important Obligations of purchaser not included in this warranty F...

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