series sd2 installation instructions
TRANSCRIPT
8/8/2019 Series SD2 Installation Instructions
http://slidepdf.com/reader/full/series-sd2-installation-instructions 1/2
I S - S D 2 0 8 4 5 E D P # 1 9 1 5 2 3 5 © W a t t s , 2 0 0 8
U S A : 8 1 5 C h e s t n u t S t . , N o . A n d o v e r , M A 0 1 8 4 5 - 6 0 9 8 ; w w w . w a t t s . c o m
C a n a d a : 5 4 3 5 N o r t h S e r v i c e R d . , B u r l i n g t o n , O N T . L 7 L 5 H 7 ; w w w . w a t t s c a n a d a . c a
W a t e r S a f e t y & F l o w C o n t r o l P r o d u c t s
L i m i t e d W a r r a n t y : W a t t s R e g u l a t o r C o . ( t h e “ C o m p a n y ” ) w a r r a n t s e a c h p r o d u c t t o b e f r e e f r o m d e f e c t s i n m a t e r i a l a n d w o r k m a n s h i p u n d e r n o r m a l u s a g e f o r a p e r i o d o f o n e y e a r f r o m t h e d a t e o f o r i g i n a l s h i p m e n t . I n t h e e v e n t o f s u c h d e f e c t s w i t h i n t h e w a r r a n t y p e r i o d , t h e C o m p a n y w i l l , a t i t s o p t i o n , r e p l a c e o r r e c o n d i t i o n t h e p r o d u c t w i t h o u t c h a r g e . T H E W A R R A N T Y S E T F O R T H H E R E I N I S G I V E N E X P R E S S L Y A N D I S T H E O N L Y W A R R A N T Y G I V E N B Y T H E C O M P A N Y W I T H R E S P E C T T O T H E P R O D U C T . T H E C O M P A N Y M A K E S N O O T H E R W A R R A N T I E S , E X P R E S S O R I M P L I E D . T H E C O M P A N Y H E R E B Y S P E C I F I C A L L Y D I S C L A I M S A L L O T H E R W A R R A N T I E S , E X P R E S S O R I M P L I E D , I N C L U D I N G B U T N O T L I M I T E D T O T H E I M P L I E D W A R R A N T I E S O F M E R C H A N T A B I L I T Y A N D F I T N E S S F O R A P A R T I C U L A R P U R P O S E . T h e r e m e d y d e s c r i b e d i n t h e f i r s t p a r a g r a p h o f t h i s w a r r a n t y s h a l l c o n s t i t u t e t h e s o l e a n d e x c l u - s i v e r e m e d y f o r b r e a c h o f w a r r a n t y , a n d t h e C o m p a n y s h a l l n o t b e r e s p o n s i b l e f o r a n y i n c i d e n t a l , s p e c i a l o r c o n s e q u e n t i a l d a m a g e s , i n c l u d i n g w i t h o u t l i m i t a t i o n , l o s t p r o f i t s o r t h e c o s t o f r e p a i r i n g o r r e p l a c i n g o t h e r p r o p e r t y w h i c h i s d a m a g e d i f t h i s p r o d u c t d o e s n o t w o r k p r o p e r l y , o t h e r c o s t s r e s u l t i n g f r o m l a b o r c h a r g e s , d e l a y s , v a n d a l i s m , n e g l i g e n c e , f o u l i n g c a u s e d b y f o r e i g n m a t e r i a l , d a m a g e f r o m a d v e r s e w a t e r c o n d i t i o n s , c h e m i c a l , o r a n y o t h e r c i r c u m s t a n c e s o v e r w h i c h t h e C o m p a n y h a s n o c o n t r o l . T h i s w a r r a n t y s h a l l b e i n v a l i d a t e d b y a n y a b u s e , m i s u s e , m i s a p p l i c a t i o n ,
i m p r o p e r i n s t a l l a t i o n o r i m p r o p e r m a i n t e n a n c e o r a l t e r a t i o n o f t h e p r o d u c t . S o m e S t a t e s d o n o t a l l o w l i m i t a t i o n s o n h o w l o n g a n i m p l i e d w a r r a n t y l a s t s , a n d s o m e S t a t e s d o n o t a l l o w t h e e x c l u s i o n o r l i m i t a t i o n o f i n c i d e n t a l o r c o n s e q u e n t i a l d a m a g e s . T h e r e f o r e t h e a b o v e l i m i t a t i o n s m a y n o t a p p l y t o y o u . T h i s L i m i t e d W a r r a n t y g i v e s y o u s p e c i f i c l e g a l r i g h t s , a n d y o u
m a y h a v e o t h e r r i g h t s t h a t v a r y f r o m S t a t e t o S t a t e . Y o u s h o u l d c o n s u l t a p p l i c a b l e s t a t e l a w s t o d e t e r m i n e y o u r r i g h t s . S O F A R A S I S C O N S I S T E N T W I T H A P P L I C A B L E S T A T E L A W , A N Y I M P L I E D W A R R A N T I E S T H A T M A Y N O T B E D I S C L A I M E D , I N C L U D I N G T H E I M P L I E D W A R R A N T I E S O F M E R C H A N T A B I L I T Y A N D F I T N E S S F O R A P A R T I C U L A R P U R P O S E , A R E L I M I T E D I N D U R A T I O N T O O N E Y E A R F R O M T H E D A T E O F O R I G I N A L S H I P M E N T .
Installation Instructions The Watts SD2 is a dual check designed or the protection o the water supply rom carbon dioxide gas and carbonated water.
These substances can fow rom post-mix beverage systems andare very acidic. I the acidic water comes in contact with coppertubing or copper pipe, it will cause the leaching o copper saltsinto the water supply. The dissolved copper i ingested can causenausea, abdominal pain, and in some cases vomiting. The SD2prevents the reverse fow o potentially contaminated water back
into the potable water supply due to back pressure backfow and isused or continuous or intermittent pressure conditions.
InstallationBeore installing, fush out pipe lines to remove scale and other or-eign matter. The valve can be installed horizontally or vertically (fowup or down). Install the valve in the line with the arrow on the valvebody pointing in the direction o fow. The valve should be installedsuch that the valve is accessible or service and maintenance.
Important The device should not be installed inside a wall or in a concealedlocation. Copper tubing shall not be used on the downstream sideo the backfow preventer.
Series SD2Backflow Preventers for Carbonated Beverage Machines
Sizes: 1 ⁄ 4" - 3 ⁄ 8" (8 - 10mm)
IS-SD2
Applications The Watts SD2 is recommended or use on Post-Mix CarbonatedBeverage Equipment and dispensing equipment or tea and coee.
Maintenance Annual inspection is required o the backfow preventer to insureproper operation o the device. It is also recommended that astrainer be installed upstream o the backfow preventer.
Temperature and PressureMaximum Pressure - 200psi (13.8 bar). Maximum Temperature -110°F (43°C).
Repair KitKit consists o First and Second Check assemblies complete.
S D 2 T o t a l R e p a i r K i t
E D P N o . K i t N o . S i z e
i n . m m
0 8 8 8 5 5 5 R K S D 2 T 1
⁄ 4 - 3
⁄ 8 8 - 1 0
W a t e r S u p p l y
V a l v e
S D 2 B a c k f o w P r e v e n t e r
P l a s t i c P i p e
B e v e r a g e D i s p e n s e r
W a t e r S u p p l y
V a l v e
F i l t e r P u m p 1 0 0 p s i
C a r b o n a t o r H 2 O a n d C O 2 C O 2 G a s i n a
v e n t e d a r e a
C a r b o n a t e d B e v e r a g e D i s p e n s e r
S t r a i n e r ( r e c o m m e n d e d )
S D - 2 B a c k f o w P r e v e n t e r
n s t a l l a t i o n
S t r a i n e r ( r e c o m m e n d e d )
8/8/2019 Series SD2 Installation Instructions
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IS-SD2 0845 EDP# 1915235 © Watts, 2008
USA: 815 Chestnut St., No. Andover, MA 01845-6098; www.watts.com
Canada: 5435 North Service Rd., Burlington, ONT. L7L 5H7; www.wattscanada.ca
Wate r Sa fety & F l ow Cont ro l Produc ts
Limited Warranty: Watts Regulator Co. (the “Company”) warrants each product to be free fromdefects in material and workmanship under normal usage for a period of one year from the date ooriginal shipment. In the event of such defects within the warranty period, the Company will, at itoption, replace or recondition the product without charge.THE WARRANTY SET FORTH HEREIN IS GIVEN EXPRESSLY AND IS THE ONLY WARRANTYGIVEN BY THE COMPANY WITH RESPECT TO THE PRODUCT. THE COMPANY MAKES NO OTHERWARRANTIES, EXPRESS OR IMPLIED. THE COMPANY HEREBY SPECIFICALLY DISCLAIMS ALLOTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIEDWARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.The remedy described in the first paragraph of this warranty shall constitute the sole and exclu-sive remedy for breach of warranty, and the Company shall not be responsible for any incidentalspecial or consequential damages, including without limitation, lost profits or the cost of repairingor replacing other property which is damaged if this product does not work properly, other costsresulting from labor charges, delays, vandalism, negligence, fouling caused by foreign materialdamage from adverse water conditions, chemical, or any other circumstances over which theCompany has no control. This warranty shall be invalidated by any abuse, misuse, misapplicationimproper installation or improper maintenance or alteration of the product.Some States do not allow limitations on how long an implied warranty lasts, and some States donot allow the exclusion or limitation of incidental or consequential damages. Therefore the abovelimitations may not apply to you. This Limited Warranty gives you specific legal rights, and youmay have other rights that vary from State to State. You should consult applicable state laws todetermine your rights. SO FAR AS IS CONSISTENT WITH APPLICABLE STATE LAW, ANY IMPLIEDWARRANTIES THAT MAY NOT BE DISCLAIMED, INCLUDING THE IMPLIED WARRANTIES OFMERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED IN DURATIONTO ONE YEAR FROM THE DATE OF ORIGINAL SHIPMENT.
n s t a l l a t i o n I n s t r u c t i o n s T h e W a t t s S D 2 i s a d u a l c h e c k d e s i g n e d o r t h e p r o t e c t i o n o h e w a t e r s u p p l y r o m c a r b o n d i o x i d e g a s a n d c a r b o n a t e d w a t e r . T h e s e s u b s t a n c e s c a n f o w r o m p o s t - m i x b e v e r a g e s y s t e m s a n d a r e v e r y a c i d i c . I t h e a c i d i c w a t e r c o m e s i n c o n t a c t w i t h c o p p e r
u b i n g o r c o p p e r p i p e , i t w i l l c a u s e t h e l e a c h i n g o c o p p e r s a l t s n t o t h e w a t e r s u p p l y . T h e d i s s o l v e d c o p p e r i i n g e s t e d c a n c a u s e n a u s e a , a b d o m i n a l p a i n , a n d i n s o m e c a s e s v o m i t i n g . T h e S D 2 p r e v e n t s t h e r e v e r s e f o w o p o t e n t i a l l y c o n t a m i n a t e d w a t e r b a c k n t o t h e p o t a b l e w a t e r s u p p l y d u e t o b a c k p r e s s u r e b a c k f o w a n d i s u s e d o r c o n t i n u o u s o r i n t e r m i t t e n t p r e s s u r e c o n d i t i o n s .
n s t a l l a t i o n
B e o r e i n s t a l l i n g , f u s h o u t p i p e l i n e s t o r e m o v e s c a l e a n d o t h e r o r - e i g n m a t t e r . T h e v a l v e c a n b e i n s t a l l e d h o r i z o n t a l l y o r v e r t i c a l l y ( f o w u p o r d o w n ) . I n s t a l l t h e v a l v e i n t h e l i n e w i t h t h e a r r o w o n t h e v a l v e b o d y p o i n t i n g i n t h e d i r e c t i o n o f o w . T h e v a l v e s h o u l d b e i n s t a l l e d s u c h t h a t t h e v a l v e i s a c c e s s i b l e o r s e r v i c e a n d m a i n t e n a n c e .
m p o r t a n t T h e d e v i c e s h o u l d n o t b e i n s t a l l e d i n s i d e a w a l l o r i n a c o n c e a l e d o c a t i o n . C o p p e r t u b i n g s h a l l n o t b e u s e d o n t h e d o w n s t r e a m s i d e o t h e b a c k f o w p r e v e n t e r .
S e r i e s S D 2 B a c k f l o w P r e v e n t e r s f o r C a r b o n a t e d B e v e r a g e M a c h i n e s S i z e s : 1 ⁄ 4 " - 3 ⁄ 8 " ( 8 - 1 0 m m )
I S - S D 2
A p p l i c a t i o n s T h e W a t t s S D 2 i s r e c o m m e n d e d o r u s e o n P o s t - M i x C a r b o n a t e d B e v e r a g e E q u i p m e n t a n d d i s p e n s i n g e q u i p m e n t o r t e a a n d c o e e .
M a i n t e n a n c e A n n u a l i n s p e c t i o n i s r e q u i r e d o t h e b a c k f o w p r e v e n t e r t o i n s u r e p r o p e r o p e r a t i o n o t h e d e v i c e . I t i s a l s o r e c o m m e n d e d t h a t a s t r a i n e r b e i n s t a l l e d u p s t r e a m o t h e b a c k f o w p r e v e n t e r .
T e m p e r a t u r e a n d P r e s s u r e M a x i m u m P r e s s u r e - 2 0 0 p s i ( 1 3 . 8 b a r ) . M a x i m u m T e m p e r a t u r e - 1 1 0 ° F ( 4 3 ° C ) .
R e p a i r K i t K i t c o n s i s t s o F i r s t a n d S e c o n d C h e c k a s s e m b l i e s c o m p l e t e .
SD2 Total Repair Kit
EDP No. Kit No. Size
in. mm
0888555 RKSD2T 1 ⁄ 4 - 3 ⁄ 8 8 - 10
WaterSupply
Valve
SD2 Backfow Preventer
PlasticPipe
BeverageDispenser
WaterSupply
Valve
FilterPump100 psi
CarbonatorH2O and CO2 CO2 Gas in a
vented area
CarbonatedBeverageDispenser
Strainer (recommended)
SD-2 Backfow Preventer
Installation
Strainer(recommended)