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I-KOIL.KIT

INSTALLATION AND MAINTENANCE INSTRUCTIONS

KOIL-KIT

 Coil Pack – Series 799, Series 79V with ATC Valve, 

Series 79B with Bypass, and Series 79A with Bypass and ATC Valve

I-KOIL.KIT_1

REV_G

WARNING

•  Read and understand all instructions before attempting to install 

any Victaulic products.

•  Always verify that the piping system has been completely 

depressurized and drained immediately prior to installation, 
removal, adjustment, or maintenance of any Victaulic products.

•  Confirm that any equipment, branch lines, or sections of piping 

that may have been isolated for/during testing or due to valve 
closures/positioning are identified, depressurized, and drained 
immediately prior to installation, removal, adjustment, or 
maintenance of any Victaulic products.

•  Wear safety glasses, hardhat, and foot protection.
Failure to follow these instructions could result in death or serious 
 personal injury and property damage.

RECEIVING THE SHIPMENT

Victaulic

®

 KOIL-KIT

 Coil Packs are a pre-packaged and labeled system 

designed to improve efficiency of hooking up HVAC coils. Upon receipt 
of the shipment, verify that the kit is the correct one for the coil being 
installed. If any components are damaged or missing, contact Victaulic.

Union Port Fitting with Air Vent

The Series 78U Union Port Fitting with Air Vent 
can be supplied to accommodate up to a three-
size reduction. Connections can be configured, 
as listed below:

•  Sweat x Sweat Union (Two Size Reductions) 
•  Sweat x Female Thread Union (Two Size Reductions) 
•  Sweat x Male Thread Union (Three Size Reductions) 
•  Female Thread x Sweat Union (Two Size Reductions) 
•  Female Thread x Female Thread Union (Two Size Reductions) 
•  Female Thread x Male Thread Union (Three Size Reductions) 
• QuickVic

 SD x Female Thread Union (Two Size Reductions)

 

• QuickVic

 SD x Sweat Union (Two Size Reductions) 

• QuickVic

 SD x Male Thread Union (Three Size Reductions)

“Y” Strainer/Ball Valve Combination or “T” Ball Valve

SERIES 78Y

SERIES 78T

The Series 78Y Strainer/Ball Valve Combination or Series 78T Ball 
Valve can accommodate up to a two-size reduction from inlet to outlet. 
Connections can be configured, as listed below:
•  Sweat x Sweat Union (Two Size Reductions) 
•  Sweat x Female Thread Union (Two Size Reductions) 
•  Sweat x Male Thread Union (Three Size Reductions) 
•  Female Thread x Sweat Union (Two Size Reductions) 
•  Female Thread x Female Thread Union (Two Size Reductions) 
•  Female Thread x Male Thread Union (Three Size Reductions) 
• QuickVic

 SD x Female Thread Union (Two Size Reductions) 

• QuickVic

 SD x Sweat Union (Two Size Reductions) 

• QuickVic

 SD x Male Thread Union (Three Size Reductions)

Bypass Tee Option

The Bypass Tee option connects to the Series 78Y 
Strainer/Ball Valve Combination or Series 78T Ball 
Valve for hookup of the Series 79B KOIL-KIT

 Coil 

Pack with Bypass or Series 79A KOIL-KIT

 Coil 

Pack with Bypass and ATC Valve.

Balancing Valves

Series 786H Balancing Valve 

(Victaulic Publication 08.16)

Series 787H

 

Balancing Valve 

(Victaulic Publication 08.16)

Series 78KH Balancing Valve 

(Victaulic Publication 08.16)

Series 76B Automatic Balancing Valve 

(Victaulic Publication 08.34)

Series 76K Automatic Balancing Valve 

(Victaulic Publication 08.34)

Series 76T Automatic Balancing Valve 

(Victaulic Publication 08.34)

 

Series 76V Automatic Balancing Valve 

(Victaulic Publication 08.34)

Series 7FP Pressure-Independent Combined 

Balancing and Control Valve with Independent 

EQM (Equal Percentage Value) Characteristics 

(Victaulic Publication 08.53)

B

Series TC/TCM TBV Terminal Balancing 

and Control Valves 

(Victaulic Publication 08.38)

Series 7CP/7MP Pressure Independent 

Balancing and Control Valves  

(Victaulic Publications 08.37 and 08.55)

TA Series 78BL Balancing Ball Valve 

(Victaulic Publication 08.64)

Manual or Automatic Air Bleed Valve

The manual or automatic air bleed valve is rated to 250 psi/17 Bar and 
provides a means of bleeding off trapped air when used with the Series 
78U Union Port Fitting, Series 78Y Strainer/Ball Valve Combination, 
Series 78T Ball Valve, or Series 78K Balancing Valve.

Coil Hoses

Coil hoses are available in 1-foot/0.3-meter, 2-foot/0.6-meter, or 
3-foot/0.9-meter lengths for connecting to the inlet and outlet of the coil 
and are available with the following union ends:

Fixed Male x Female Union End

(One of these adapters will be provided for each hose 

assembly depending on customer requirements.)

Fixed Male x Male Union End Adapter 

with O-Ring

Fixed Male x Sweat Adapter 

with O-Ring

Fixed Male x Female Union End with Adapter 

with O-Ring

Summary of Contents for KOIL-KIT 799 Series

Page 1: ...Sweat Union Two Size Reductions Sweat x Female Thread Union Two Size Reductions Sweat x Male Thread Union Three Size Reductions Female Thread x Sweat Union Two Size Reductions Female Thread x Female Thread Union Two Size Reductions Female Thread x Male Thread Union Three Size Reductions QuickVic SD x Female Thread Union Two Size Reductions QuickVic SD x Sweat Union Two Size Reductions QuickVic SD ...

Page 2: ... Valve to the supply pipe via standard threading or sweating practices as described previously Verify that the applicable flow direction arrow on the valve body is facing the direction of flow and that the valve body is rotated to the desired position NOTE For effective operation air vents shall be positioned at the highest possible location and shall point upward When installing a Victaulic Quick...

Page 3: ...collapsing The following table contains the minimum distance requirement from each ferrule to the start of the bend This table shall be referenced to prevent the coil hose from being bent too close to the ferrules Size Nominal ID inches Minimum Distance from Each Ferrule to Start of Bend inches mm 1 2 1 25 3 4 11 2 38 1 2 51 11 4 21 2 64 11 2 3 76 2 4 102 Replacement Hose Adapters and O Rings Size...

Page 4: ...Replacement Strainer Baskets Valve Size Inches Series 78Y Strainer Basket Part Codes 1 2 P00478YSTN 3 4 1 P00678YSTN 11 4 11 2 P01278YSTN 2 P02078YSTN Replacement O Rings Valve Size Inches Series 78Y 78T 78U 78KH and 76V End Face O Ring Part Codes Series 78Y Strainer O Ring Part Codes 1 2 P004799ORG G00478YGSK 3 4 1 P006799ORG G00678YGSK 11 4 11 2 P012799ORG G01278YGSK 2 P020799ORG G02078YGSK Sold...

Page 5: ...8Y Strainer Ball Valve Combination Series 78T Ball Valve Series 78U Union Port Fitting with Air Bleed Part Number P 002 78U MAV The air vents are field replaceable Remove the existing air vent and thread the new air vent into the valve body Use PTFE thread sealant tape or pipe dope on the threads Port Extender for Series 78Y Strainer Ball Valve Combination Series 78T Ball Valve or Series 78U Union...

Page 6: ...eries 79A with Bypass and ATC Valve For complete contact information visit victaulic com I KOIL KIT 2954 REV G UPDATED 05 2021 Z004799001 VICTAULIC AND KOIL KIT ARE TRADEMARKS OR REGISTERED TRADEMARKS OF VICTAULIC COMPANY AND OR ITS AFFILIATED ENTITIES IN THE UNITED STATES AND OR OTHER COUNTRIES 2021 VICTAULIC COMPANY ALL RIGHTS RESERVED ...

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