WaterFurnace Envisio Series Console - Manual (Page 14)

14
ENVISION CONSOLE - 50 HZ INSTALLATION MANUAL
Step 4: Provide Water and Condensate Drain
Connections
• A two-pipe reverse return piping configuration is
recommended as it equalizes the piping circuit lengths
and delivers even water flow to each unit. A direct return
piping configuration may be used, but it may be difficult
to achieve and maintain proper water flow to the units.
Pipe Locations
Figure 2
1=1/07<3B
1=16/AA7A
1=<232@/7<:=1/B7=<
E/B3@1=<<31B7=
B/@53B/@3/4=@
E/::>3<3B@/B7=<
4CA323:31B@71/:
27A1=<<31B=>B7=
%[[f [[/@3/
/>>=F![[4@=;3253
=416/AA7A #[[4@=;
4@=
#Þ &Þ
B/@53B/@3/4=@
4:==@>3<3B@/B7=<
1/07<3B3FB3<2A
B=B67A>=7
%[[f [[/@3/
/>>=F![[4@=;3253=4
16/AA7A%$[[4@=;4:==@
"D/113AA=@G
3:31B@71/:
8C<1B7=<0=F
• An air vent must be installed in the water
distribution system.
• The supply and return water piping should be run
through the wall or floor penetration and terminate with
a ball valve. The piping material used must comply with
all local codes.
• Refer to: System Cleaning and Flushing procedures.
Installation Steps cont.