Installation
21UNT-SVX10G-E4
2 = Factory-mounted 2 way valves
Unit size 101/103 203/204 304/306 406/408 508/512 612 721
Standard 2-pipe coil
Customer leaving water connection Ø1/2" Gas Ø1/2" Gas Ø1/2" Gas Ø1/2" Gas Ø1/2" Flat gasket Ø3/4" Flat gasket Ø3/4" Flat gasket
Customer entering water connection Ø1/2" Flat gasket Ø1/2" Flat gasket Ø1/2" Flat gasket Ø1/2" Flat gasket Ø1/2" Flat gasket Ø3/4" Flat gasket Ø3/4" Flat gasket
High Efficiency 2-pipe coil
Customer leaving water connection Ø1/2" Gas Ø1/2" Gas Ø1/2" Flat gasket Ø1/2" Flat gasket Ø1/2" Flat gasket Ø3/4" Flat gasket Ø3/4" Flat gasket
C
ustomer entering water connection Ø1/2" Flat gasket Ø1/2" Flat gasket Ø1/2" Flat gasket Ø1/2" Flat gasket Ø1/2" Flat gasket Ø3/4" Flat gasket Ø3/4" Flat gasket
S
tandard 4-pipe coil
Customer leaving cold water
c
onnection
Ø1/2" Gas Ø1/2" Gas Ø1/2" Gas Ø1/2" Gas Ø1/2" Flat gasket Ø3/4" Flat gasket Ø3/4" Flat gasket
Customer entering cold water
connection
Ø1/2" Flat gasket Ø1/2" Flat gasket Ø1/2" Flat gasket Ø1/2" Flat gasket Ø1/2" Flat gasket Ø3/4" Flat gasket Ø3/4" Flat gasket
Customer leaving hot water
connection
Ø
1/2" Gas Ø1/2" Gas Ø1/2" Gas Ø1/2" Gas Ø1/2" Flat gasket Ø1/2" Flat gasket Ø1/2" Flat gasket
Customer entering hot water
connection
Ø1/2" Flat gasket Ø1/2" Flat gasket Ø1/2" Flat gasket Ø1/2" Flat gasket Ø1/2" Flat gasket Ø1/2" Flat gasket Ø1/2" Flat gasket
High Efficiency 4-pipe coil
Customer leaving cold water
connection
Ø1/2" Gas Ø1/2" Gas Ø1/2" Flat gasket Ø1/2" Flat gasket Ø1/2" Flat gasket Ø3/4" Flat gasket Ø3/4" Flat gasket
Customer entering cold water
connection
Ø1/2" Flat gasket Ø1/2" Flat gasket Ø1/2" Flat gasket Ø1/2" Flat gasket Ø1/2" Flat gasket Ø3/4" Flat gasket Ø3/4" Flat gasket
Customer leaving hot water
connection
Ø1/2" Gas Ø1/2" Gas Ø1/2" Flat gasket Ø1/2" Flat gasket Ø1/2" Flat gasket Ø1/2" Flat gasket Ø1/2" Flat gasket
Customer entering hot water
connection
Ø1/2" Flat gasket Ø1/2" Flat gasket Ø1/2" Flat gasket Ø1/2" Flat gasket Ø1/2" Flat gasket Ø1/2" Flat gasket Ø1/2" Flat gasket
UNT-SVX10G-BAT1_Mise en page 1 7/26/2013 2:41 PM Page 21